// $Id$ #define ACE_BUILD_DLL #include "ace/OS.h" #include "ace/SString.h" #include "ace/Sched_Params.h" #if defined (ACE_WIN32) #include "ace/ARGV.h" #endif /* ACE_WIN32 */ // Perhaps we should *always* include ace/OS.i in order to make sure // we can always link against the OS symbols? #if !defined (ACE_HAS_INLINED_OSCALLS) #include "ace/OS.i" #endif /* ACE_HAS_INLINED_OS_CALLS */ #include "ace/Task.h" #include "ace/Synch_T.h" #include "ace/Containers.h" #include "ace/streams.h" #if defined (ACE_MT_SAFE) && (ACE_MT_SAFE != 0) #include "ace/Object_Manager.h" #if defined (ACE_HAS_WINCE) const wchar_t *ACE_OS::day_of_week_name[] = {L"Sun", L"Mon", L"Tue", L"Wed", L"Thr", L"Fri", L"Sat"}; const wchar_t *ACE_OS::month_name[] = {L"Jan", L"Feb", L"Mar", L"Apr", L"May", L"Jun", L"Jul", L"Aug", L"Sep", L"Oct", L"Nov", L"Dec" }; #endif /* ACE_HAS_WINCE */ #if defined (ACE_LACKS_NETDB_REENTRANT_FUNCTIONS) int ACE_OS::netdb_acquire (void) { ACE_Thread_Mutex *ace_os_monitor_lock = ACE_Managed_Object::get_preallocated_object (ACE_Object_Manager::ACE_OS_MONITOR_LOCK); return ace_os_monitor_lock->acquire (); } int ACE_OS::netdb_release (void) { ACE_Thread_Mutex *ace_os_monitor_lock = ACE_Managed_Object::get_preallocated_object (ACE_Object_Manager::ACE_OS_MONITOR_LOCK); return ace_os_monitor_lock->release (); } #endif /* defined (ACE_LACKS_NETDB_REENTRANT_FUNCTIONS) */ #endif /* defined (ACE_MT_SAFE) */ // Static constant representing `zero-time'. const ACE_Time_Value ACE_Time_Value::zero; ACE_ALLOC_HOOK_DEFINE(ACE_Time_Value) // Initializes the ACE_Time_Value object from a timeval. #if defined(ACE_WIN32) // Initializes the ACE_Time_Value object from a Win32 FILETIME ACE_Time_Value::ACE_Time_Value (const FILETIME &file_time) { // ACE_TRACE ("ACE_Time_Value::ACE_Time_Value"); this->set (file_time); } void ACE_Time_Value::set (const FILETIME &file_time) { // Initializes the ACE_Time_Value object from a Win32 FILETIME ACE_QWORD _100ns = ACE_MAKE_QWORD (file_time.dwLowDateTime, file_time.dwHighDateTime); // Convert 100ns units to seconds; this->tv_.tv_sec = long (_100ns / (10000 * 1000)); // Convert remainder to microseconds; this->tv_.tv_usec = long ((_100ns - (this->tv_.tv_sec * (10000 * 1000))) / 10); } // Returns the value of the object as a Win32 FILETIME. ACE_Time_Value::operator FILETIME () const { // ACE_TRACE ("ACE_Time_Value::operator FILETIME"); ACE_QWORD _100ns = ((ACE_QWORD) this->tv_.tv_sec * (1000 * 1000) + this->tv_.tv_usec) * 10; FILETIME file_time; file_time.dwLowDateTime = ACE_LOW_DWORD (_100ns); file_time.dwHighDateTime = ACE_HIGH_DWORD (_100ns); return file_time; } #endif ACE_Cleanup_Info::ACE_Cleanup_Info (void) : object_ (0), cleanup_hook_ (0), param_ (0) { } int ACE_Cleanup_Info::operator== (const ACE_Cleanup_Info &o) const { return o.object_ == this->object_ && o.cleanup_hook_ == this->cleanup_hook_ && o.param_ == this->param_; } int ACE_Cleanup_Info::operator!= (const ACE_Cleanup_Info &o) const { return !(*this == o); } void ACE_Time_Value::dump (void) const { // ACE_TRACE ("ACE_Time_Value::dump"); ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this)); ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("\ntv_sec_ = %d"), this->tv_.tv_sec)); ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("\ntv_usec_ = %d\n"), this->tv_.tv_usec)); ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP)); } void ACE_Time_Value::normalize (void) { // ACE_TRACE ("ACE_Time_Value::normalize"); // New code from Hans Rohnert... if (this->tv_.tv_usec >= ACE_ONE_SECOND_IN_USECS) { do { this->tv_.tv_sec++; this->tv_.tv_usec -= ACE_ONE_SECOND_IN_USECS; } while (this->tv_.tv_usec >= ACE_ONE_SECOND_IN_USECS); } else if (this->tv_.tv_usec <= -ACE_ONE_SECOND_IN_USECS) { do { this->tv_.tv_sec--; this->tv_.tv_usec += ACE_ONE_SECOND_IN_USECS; } while (this->tv_.tv_usec <= -ACE_ONE_SECOND_IN_USECS); } if (this->tv_.tv_sec >= 1 && this->tv_.tv_usec < 0) { this->tv_.tv_sec--; this->tv_.tv_usec += ACE_ONE_SECOND_IN_USECS; } else if (this->tv_.tv_sec < 0 && this->tv_.tv_usec > 0) { this->tv_.tv_sec++; this->tv_.tv_usec -= ACE_ONE_SECOND_IN_USECS; } } int ACE_Countdown_Time::start (void) { this->start_time_ = ACE_OS::gettimeofday (); this->stopped_ = 0; return 0; } int ACE_Countdown_Time::update (void) { return (this->stop () == 0) && this->start (); } int ACE_Countdown_Time::stop (void) { if (this->max_wait_time_ != 0 && this->stopped_ == 0) { ACE_Time_Value elapsed_time = ACE_OS::gettimeofday () - this->start_time_; if (*this->max_wait_time_ > elapsed_time) *this->max_wait_time_ -= elapsed_time; else { // Used all of timeout. *this->max_wait_time_ = ACE_Time_Value::zero; errno = ETIME; } this->stopped_ = 1; } return 0; } ACE_Countdown_Time::ACE_Countdown_Time (ACE_Time_Value *max_wait_time) : max_wait_time_ (max_wait_time), stopped_ (0) { if (max_wait_time != 0) this->start (); } ACE_Countdown_Time::~ACE_Countdown_Time (void) { this->stop (); } #if defined (ACE_HAS_POWERPC) && defined (ghs) void ACE_OS::readPPCTimeBase (u_long &most, u_long &least) { // ACE_TRACE ("ACE_OS::readPPCTimeBase"); // This function can't be inline because it depends on the arguments // being in particular registers (r3 and r4), in conformance with the // EABI standard. It would be nice if we knew how to put the variable // names directly into the assembler instructions . . . asm("aclock:"); asm("mftb r5,TBU"); asm("mftb r6,TBL"); asm("mftb r7,TBU"); asm("cmpw r5,r7"); asm("bne aclock"); asm("stw r5, 0(r3)"); asm("stw r6, 0(r4)"); } #endif /* ACE_HAS_POWERPC && ghs */ #if defined (ACE_WIN32) || defined (VXWORKS) || defined (CHORUS) // Don't inline on those platforms because this function contains // string literals, and some compilers, e.g., g++, don't handle those // efficiently in unused inline functions. int ACE_OS::uname (struct utsname *name) { // ACE_TRACE ("ACE_OS::uname"); #if defined (ACE_WIN32) size_t maxnamelen = sizeof name->nodename; ACE_OS::strcpy (name->sysname, __TEXT ("Win32")); OSVERSIONINFO vinfo; vinfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ::GetVersionEx (&vinfo); SYSTEM_INFO sinfo; ::GetSystemInfo(&sinfo); ACE_OS::strcpy (name->sysname, __TEXT ("Win32")); if (vinfo.dwPlatformId == VER_PLATFORM_WIN32_NT) { // Get information from the two structures ACE_OS::sprintf (name->release, #if defined (ACE_HAS_WINCE) __TEXT ("Windows CE %d.%d"), #else __TEXT ("Windows NT %d.%d"), #endif /* ACE_HAS_WINCE */ vinfo.dwMajorVersion, vinfo.dwMinorVersion); ACE_OS::sprintf (name->version, __TEXT ("Build %d %s"), vinfo.dwBuildNumber, vinfo.szCSDVersion); TCHAR processor[10] = __TEXT ("Unknown"); TCHAR subtype[10] = __TEXT ("Unknown"); #if defined (__BORLANDC__) // Some changes should be made in winbase.h... switch (sinfo.s.wProcessorArchitecture) #else switch (sinfo.wProcessorArchitecture) #endif /* __BORLAND__ */ { case PROCESSOR_ARCHITECTURE_INTEL: ACE_OS::strcpy (processor, __TEXT ("Intel")); if (sinfo.wProcessorLevel == 3) ACE_OS::strcpy (subtype, __TEXT ("80386")); else if (sinfo.wProcessorLevel == 4) ACE_OS::strcpy (subtype, __TEXT ("80486")); else if (sinfo.wProcessorLevel == 5) ACE_OS::strcpy (subtype, __TEXT ("Pentium")); else if (sinfo.wProcessorLevel == 6) ACE_OS::strcpy (subtype, __TEXT ("Pentium Pro")); else if (sinfo.wProcessorLevel == 7) // I'm guessing here ACE_OS::strcpy (subtype, __TEXT ("Pentium II")); break; case PROCESSOR_ARCHITECTURE_MIPS: ACE_OS::strcpy (processor, __TEXT ("MIPS")); ACE_OS::strcpy (subtype, __TEXT ("R4000")); break; case PROCESSOR_ARCHITECTURE_ALPHA: ACE_OS::strcpy (processor, __TEXT ("Alpha")); ACE_OS::sprintf (subtype, __TEXT ("%d"), sinfo.wProcessorLevel); break; case PROCESSOR_ARCHITECTURE_PPC: ACE_OS::strcpy (processor, __TEXT ("PPC")); if (sinfo.wProcessorLevel == 1) ACE_OS::strcpy (subtype, __TEXT ("601")); else if (sinfo.wProcessorLevel == 3) ACE_OS::strcpy (subtype, __TEXT ("603")); else if (sinfo.wProcessorLevel == 4) ACE_OS::strcpy (subtype, __TEXT ("604")); else if (sinfo.wProcessorLevel == 6) ACE_OS::strcpy (subtype, __TEXT ("603+")); else if (sinfo.wProcessorLevel == 9) ACE_OS::strcpy (subtype, __TEXT ("804+")); else if (sinfo.wProcessorLevel == 20) ACE_OS::strcpy (subtype, __TEXT ("620")); break; case PROCESSOR_ARCHITECTURE_UNKNOWN: default: // @@ We could provide WinCE specific info here. But let's // defer that to some later point. ACE_OS::strcpy (processor, __TEXT ("Unknown")); break; } ACE_OS::sprintf(name->machine, __TEXT ("%s %s"), processor, subtype); } else if (vinfo.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) { // Get Windows 95 Information ACE_OS::strcpy (name->release, __TEXT ("Windows 95")); ACE_OS::sprintf (name->version, __TEXT ("%d"), LOWORD (vinfo.dwBuildNumber)); if (sinfo.dwProcessorType == PROCESSOR_INTEL_386) ACE_OS::strcpy (name->machine, __TEXT ("Intel 80386")); else if (sinfo.dwProcessorType == PROCESSOR_INTEL_486) ACE_OS::strcpy (name->machine, __TEXT ("Intel 80486")); else if (sinfo.dwProcessorType == PROCESSOR_INTEL_PENTIUM) ACE_OS::strcpy (name->machine, __TEXT ("Intel Pentium")); } else { // We don't know what this is! ACE_OS::strcpy (name->release, __TEXT ("???")); ACE_OS::strcpy (name->version, __TEXT ("???")); ACE_OS::strcpy (name->machine, __TEXT ("???")); } return ACE_OS::hostname (name->nodename, maxnamelen); #elif defined (VXWORKS) size_t maxnamelen = sizeof name->nodename; ACE_OS::strcpy (name->sysname, "VxWorks"); ACE_OS::strcpy (name->release, "???"); ACE_OS::strcpy (name->version, sysBspRev ()); ACE_OS::strcpy (name->machine, sysModel ()); return ACE_OS::hostname (name->nodename, maxnamelen); #elif defined (CHORUS) size_t maxnamelen = sizeof name->nodename; ACE_OS::strcpy (name->sysname, "CHORUS/ClassiX"); ACE_OS::strcpy (name->release, "???"); ACE_OS::strcpy (name->version, "???"); ACE_OS::strcpy (name->machine, "???"); return ACE_OS::hostname (name->nodename, maxnamelen); #endif /* ACE_WIN32 */ } #endif /* ACE_WIN32 || VXWORKS */ #if defined (VXWORKS) struct hostent * ACE_OS::gethostbyname (const char *name) { // ACE_TRACE ("ACE_OS::gethostbyname"); // not thread safe! static hostent ret; static int first_addr; static char *hostaddr[2]; static char *aliases[1]; ACE_OSCALL (::hostGetByName ((char *) name), int, -1, first_addr); if (first_addr == -1) return 0; hostaddr[0] = (char *) &first_addr; hostaddr[1] = 0; aliases[0] = 0; // Might not be official: just echo input arg. ret.h_name = (char *) name; ret.h_addrtype = AF_INET; ret.h_length = 4; // VxWorks 5.2/3 doesn't define IP_ADDR_LEN; ret.h_addr_list = hostaddr; ret.h_aliases = aliases; return &ret; } struct hostent * ACE_OS::gethostbyaddr (const char *addr, int length, int type) { // ACE_TRACE ("ACE_OS::gethostbyaddr"); if (length != 4 || type != AF_INET) { errno = EINVAL; return 0; } // not thread safe! static hostent ret; static char name [MAXNAMELEN + 1]; static char *hostaddr[2]; static char *aliases[1]; if (::hostGetByAddr (*(int *) addr, name) != 0) { // errno will have been set to S_hostLib_UNKNOWN_HOST. return 0; } // Might not be official: just echo input arg. hostaddr[0] = (char *) addr; hostaddr[1] = 0; aliases[0] = 0; ret.h_name = name; ret.h_addrtype = AF_INET; ret.h_length = 4; // VxWorks 5.2/3 doesn't define IP_ADDR_LEN; ret.h_addr_list = hostaddr; ret.h_aliases = aliases; return &ret; } struct hostent * ACE_OS::gethostbyaddr_r (const char *addr, int length, int type, hostent *result, ACE_HOSTENT_DATA buffer, int *h_errnop) { // ACE_TRACE ("ACE_OS::gethostbyaddr_r"); if (length != 4 || type != AF_INET) { errno = EINVAL; return 0; } if (ACE_OS::netdb_acquire ()) return 0; else { // buffer layout: // buffer[0-3]: h_addr_list[0], the first (and only) addr. // buffer[4-7]: h_addr_list[1], the null terminator for the h_addr_list. // buffer[8]: the name of the host, null terminated. // Call ::hostGetByAddr (), which puts the (one) hostname into // buffer. if (::hostGetByAddr (*(int *) addr, &buffer[8]) == 0) { // Store the return values in result. result->h_name = &buffer[8]; // null-terminated host name result->h_addrtype = AF_INET; result->h_length = 4; // VxWorks 5.2/3 doesn't define IP_ADDR_LEN. result->h_addr_list = (char **) buffer; // Might not be official: just echo input arg. result->h_addr_list[0] = (char *) addr; // Null-terminate the list of addresses. result->h_addr_list[1] = 0; // And no aliases, so null-terminate h_aliases. result->h_aliases = &result->h_addr_list[1]; } else { // errno will have been set to S_hostLib_UNKNOWN_HOST. result = 0; } } ACE_OS::netdb_release (); *h_errnop = errno; return result; } struct hostent * ACE_OS::gethostbyname_r (const char *name, hostent *result, ACE_HOSTENT_DATA buffer, int *h_errnop) { // ACE_TRACE ("ACE_OS::gethostbyname_r"); if (ACE_OS::netdb_acquire ()) return 0; else { int addr; ACE_OSCALL (::hostGetByName ((char *) name), int, -1, addr); if (addr == -1) { // errno will have been set to S_hostLib_UNKNOWN_HOST result = 0; } else { // Might not be official: just echo input arg. result->h_name = (char *) name; result->h_addrtype = AF_INET; result->h_length = 4; // VxWorks 5.2/3 doesn't define IP_ADDR_LEN; // buffer layout: // buffer[0-3]: h_addr_list[0], pointer to the addr. // buffer[4-7]: h_addr_list[1], null terminator for the h_addr_list. // buffer[8-11]: the first (and only) addr. // Store the address list in buffer. result->h_addr_list = (char **) buffer; // Store the actual address _after_ the address list. result->h_addr_list[0] = (char *) &result->h_addr_list[2]; result->h_addr_list[2] = (char *) addr; // Null-terminate the list of addresses. result->h_addr_list[1] = 0; // And no aliases, so null-terminate h_aliases. result->h_aliases = &result->h_addr_list[1]; } } ACE_OS::netdb_release (); *h_errnop = errno; return result; } #endif /* VXWORKS */ void ACE_OS::ace_flock_t::dump (void) const { // ACE_TRACE ("ACE_OS::ace_flock_t::dump"); ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this)); ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("handle_ = %u"), this->handle_)); #if defined (ACE_WIN32) ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("\nInternal = %d"), this->overlapped_.Internal)); ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("\nInternalHigh = %d"), this->overlapped_.InternalHigh)); ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("\nOffsetHigh = %d"), this->overlapped_.OffsetHigh)); ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("\nhEvent = %d"), this->overlapped_.hEvent)); #elif !defined (CHORUS) ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("\nl_whence = %d"), this->lock_.l_whence)); ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("\nl_start = %d"), this->lock_.l_start)); ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("\nl_len = %d"), this->lock_.l_len)); ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("\nl_type = %d"), this->lock_.l_type)); #endif /* ACE_WIN32 */ ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP)); } void ACE_OS::mutex_lock_cleanup (void *mutex) { // ACE_TRACE ("ACE_OS::mutex_lock_cleanup"); #if defined (ACE_HAS_THREADS) #if defined (ACE_HAS_DCETHREADS) || defined (ACE_HAS_PTHREADS) ACE_mutex_t *p_lock = (ACE_mutex_t *) mutex; ACE_OS::mutex_unlock (p_lock); #else ACE_UNUSED_ARG (mutex); #endif /* ACE_HAS_DCETHREADS */ #else ACE_UNUSED_ARG (mutex); #endif /* ACE_HAS_THREADS */ } // The following *printf functions aren't inline because // they use varargs. #if !defined (ACE_HAS_WINCE) int ACE_OS::fprintf (FILE *fp, const char *format, ...) { // ACE_TRACE ("ACE_OS::fprintf"); int result = 0; va_list ap; va_start (ap, format); ACE_OSCALL (::vfprintf (fp, format, ap), int, -1, result); va_end (ap); return result; } int ACE_OS::printf (const char *format, ...) { // ACE_TRACE ("ACE_OS::printf"); int result; va_list ap; va_start (ap, format); ACE_OSCALL (::vprintf (format, ap), int, -1, result); va_end (ap); return result; } int ACE_OS::sprintf (char *buf, const char *format, ...) { // ACE_TRACE ("ACE_OS::sprintf"); int result; va_list ap; va_start (ap, format); ACE_OSCALL (ACE_SPRINTF_ADAPTER (::vsprintf (buf, format, ap)), int, -1, result); va_end (ap); return result; } #endif /* ! ACE_HAS_WINCE */ #if defined (ACE_HAS_UNICODE) #if defined (ACE_WIN32) int ACE_OS::fprintf (FILE *fp, const wchar_t *format, ...) { // ACE_TRACE ("ACE_OS::fprintf"); #if defined (ACE_HAS_WINCE) ACE_NOTSUP_RETURN (-1); #else int result = 0; va_list ap; va_start (ap, format); ACE_OSCALL (::vfwprintf (fp, format, ap), int, -1, result); va_end (ap); return result; #endif /* ACE_HAS_WINCE */ } int ACE_OS::sprintf (wchar_t *buf, const wchar_t *format, ...) { // ACE_TRACE ("ACE_OS::sprintf"); int result; va_list ap; va_start (ap, format); ACE_OSCALL (::vswprintf (buf, format, ap), int, -1, result); va_end (ap); return result; } #if 0 int ACE_OS::sprintf (wchar_t *buf, const char *format, ...) { // ACE_TRACE ("ACE_OS::sprintf"); const wchar_t *wide_format = ACE_WString (format).fast_rep (); int result; va_list ap; va_start (ap, wide_format); ACE_OSCALL (::vswprintf (buf, wide_format, ap), int, -1, result); va_end (ap); return result; } #endif /* 0 */ #endif /* ACE_WIN32 */ #if defined (ACE_LACKS_MKTEMP) wchar_t * ACE_OS::mktemp (wchar_t *s) { // ACE_TRACE ("ACE_OS::mktemp"); if (s == 0) // check for null template string failed! return 0; else { wchar_t *xxxxxx = ACE_OS::strstr (s, L"XXXXXX"); if (xxxxxx == 0) // the template string doesn't contain "XXXXXX"! return s; else { wchar_t unique_letter = L'a'; struct stat sb; // Find an unused filename for this process. It is assumed // that the user will open the file immediately after // getting this filename back (so, yes, there is a race // condition if multiple threads in a process use the same // template). This appears to match the behavior of the // Solaris 2.5 mktemp(). ACE_OS::sprintf (xxxxxx, L"%05d%c", getpid (), unique_letter); while (ACE_OS::stat (s, &sb) >= 0) { if (++unique_letter <= L'z') ACE_OS::sprintf (xxxxxx, L"%05d%c", getpid (), unique_letter); else { // maximum of 26 unique files per template, per process ACE_OS::sprintf (xxxxxx, L"%s", L""); return s; } } } return s; } } #endif /* ACE_LACKS_MKTEMP */ #endif /* ACE_HAS_UNICODE */ int ACE_OS::execl (const char * /* path */, const char * /* arg0 */, ...) { // ACE_TRACE ("ACE_OS::execl"); #if defined (ACE_WIN32) || defined (VXWORKS) ACE_NOTSUP_RETURN (-1); #else ACE_NOTSUP_RETURN (-1); // Need to write this code. // ACE_OSCALL_RETURN (::execv (path, argv), int, -1); #endif /* ACE_WIN32 */ } int ACE_OS::execle (const char * /* path */, const char * /* arg0 */, ...) { // ACE_TRACE ("ACE_OS::execle"); #if defined (ACE_WIN32) || defined (VXWORKS) ACE_NOTSUP_RETURN (-1); #else ACE_NOTSUP_RETURN (-1); // Need to write this code. // ACE_OSCALL_RETURN (::execve (path, argv, envp), int, -1); #endif /* ACE_WIN32 */ } int ACE_OS::execlp (const char * /* file */, const char * /* arg0 */, ...) { // ACE_TRACE ("ACE_OS::execlp"); #if defined (ACE_WIN32) || defined (VXWORKS) ACE_NOTSUP_RETURN (-1); #else ACE_NOTSUP_RETURN (-1); // Need to write this code. // ACE_OSCALL_RETURN (::execvp (file, argv), int, -1); #endif /* ACE_WIN32 */ } #if defined (ACE_HAS_STHREADS) #include /**/ #include /**/ #endif /* ACE_HAS_STHREADS */ int ACE_OS::thr_setprio (const ACE_Sched_Priority prio) { // Set the thread priority on the current thread. ACE_hthread_t my_thread_id; ACE_OS::thr_self (my_thread_id); return ACE_OS::thr_setprio (my_thread_id, prio); } int ACE_OS::sched_params (const ACE_Sched_Params &sched_params) { // ACE_TRACE ("ACE_OS::sched_params"); #if defined (CHORUS) int result; struct sched_param param; ACE_thread_t thr_id = ACE_OS::thr_self (); param.sched_priority = sched_params.priority (); ACE_OSCALL_RETURN (ACE_ADAPT_RETVAL (::pthread_setschedparam (thr_id, sched_params.policy (), ¶m), result), int, -1); #elif defined (ACE_HAS_STHREADS) // Set priority class, priority, and quantum of this LWP or process as // specified in sched_params. // Get the priority class ID and attributes. pcinfo_t pcinfo; // The following is just to avoid Purify warnings about unitialized // memory reads. ACE_OS::memset (&pcinfo, 0, sizeof pcinfo); ACE_OS::strcpy (pcinfo.pc_clname, sched_params.policy() == ACE_SCHED_OTHER ? "TS" : "RT"); if (::priocntl (P_ALL /* ignored */, P_MYID /* ignored */, PC_GETCID, (char *) &pcinfo) == -1) { return -1; } // OK, now we've got the class ID in pcinfo.pc_cid. In addition, // the maximum configured real-time priority is in ((rtinfo_t *) // pcinfo.pc_clinfo)->rt_maxpri. pcparms_t pcparms; // The following is just to avoid Purify warnings about unitialized // memory reads. ACE_OS::memset (&pcparms, 0, sizeof pcparms); pcparms.pc_cid = pcinfo.pc_cid; if (sched_params.policy () == ACE_SCHED_OTHER && sched_params.quantum () == ACE_Time_Value::zero) // Solaris doesn't support non-zero quantums in time-sharing class: use // real-time class instead. { tsparms_t tsparms; // The following is just to avoid Purify warnings about unitialized // memory reads. ACE_OS::memset (&tsparms, 0, sizeof tsparms); // Don't change ts_uprilim (user priority limit) tsparms.ts_uprilim = TS_NOCHANGE; tsparms.ts_upri = sched_params.priority (); // Package up the TS class ID and parameters for the ::priocntl () // call. ACE_OS::memcpy (pcparms.pc_clparms, &tsparms, sizeof tsparms); } else if (sched_params.policy () == ACE_SCHED_FIFO || (sched_params.policy () == ACE_SCHED_RR && sched_params.quantum () != ACE_Time_Value::zero)) // must have non-zero quantum for RR, to make it meaningful // A zero quantum with FIFO has special significance: it actually // means infinite time quantum, i.e., run-to-completion. { rtparms_t rtparms; // The following is just to avoid Purify warnings about unitialized // memory reads. ACE_OS::memset (&rtparms, 0, sizeof rtparms); rtparms.rt_pri = sched_params.priority (); if (sched_params.quantum () == ACE_Time_Value::zero) { // rtparms.rt_tqsecs is ignored with RT_TQINF rtparms.rt_tqnsecs = RT_TQINF; } else { rtparms.rt_tqsecs = (ulong) sched_params.quantum ().sec (); rtparms.rt_tqnsecs = sched_params.quantum ().usec () * 1000; } // Package up the RT class ID and parameters for the ::priocntl () // call. ACE_OS::memcpy (pcparms.pc_clparms, &rtparms, sizeof rtparms); } else { errno = EINVAL; return -1; } if (::priocntl ((idtype_t) (sched_params.scope () == ACE_SCOPE_THREAD ? ACE_SCOPE_PROCESS : sched_params.scope ()), P_MYID, PC_SETPARMS, (char *) &pcparms) < 0) { return ACE_OS::last_error (); } return 0; #elif defined (ACE_HAS_DCETHREADS) || (defined (ACE_HAS_PTHREADS)) && !defined (ACE_LACKS_SETSCHED) if (sched_params.quantum () != ACE_Time_Value::zero) { // quantums not supported errno = EINVAL; return -1; } // Thanks to Thilo Kielmann for // providing this code for 1003.1c PThreads. Please note that this // has only been tested for POSIX 1003.1c threads, and may cause problems // with other PThreads flavors! struct sched_param param; param.sched_priority = sched_params.priority (); if (sched_params.scope () == ACE_SCOPE_PROCESS) { return (::sched_setscheduler(0, // this process sched_params.policy (), ¶m) == -1 ? -1 : 0); } else if (sched_params.scope () == ACE_SCOPE_THREAD) { ACE_thread_t thr_id = ACE_OS::thr_self (); # if defined (ACE_HAS_DCE_DRAFT4_THREADS) return (::pthread_setscheduler(thr_id, sched_params.policy (), sched_params.priority()) == -1 ? -1 : 0); # else int result; ACE_OSCALL_RETURN (ACE_ADAPT_RETVAL (::pthread_setschedparam ( thr_id, sched_params.policy (), ¶m), result), int, -1); # endif /* ACE_HAS_DCE_DRAFT4_THREADS */ } else // sched_params.scope () == ACE_SCOPE_LWP, which isn't POSIX { errno = EINVAL; return -1; } #elif defined (ACE_WIN32) && !defined (ACE_HAS_WINCE) if (sched_params.scope () != ACE_SCOPE_PROCESS || sched_params.quantum () != ACE_Time_Value::zero) { // Win32 only allows setting priority class (therefore, policy) // at the process level. I don't know of a way to set the quantum. errno = EINVAL; return -1; } // Set the priority class of this process to the REALTIME process class // _if_ the policy is ACE_SCHED_FIFO. Otherwise, set to NORMAL. if (! ::SetPriorityClass ( ::GetCurrentProcess (), sched_params.policy () == ACE_SCHED_FIFO ? REALTIME_PRIORITY_CLASS : NORMAL_PRIORITY_CLASS)) { return -1; } // Set the thread priority on the current thread. return ACE_OS::thr_setprio (sched_params.priority ()); #elif defined (VXWORKS) // There is only one class of priorities on VxWorks, and no // time quanta. So, just set the current thread's priority. if (sched_params.policy () != ACE_SCHED_FIFO || sched_params.scope () != ACE_SCOPE_PROCESS || sched_params.quantum () != ACE_Time_Value::zero) { errno = EINVAL; return -1; } // Set the thread priority on the current thread. return ACE_OS::thr_setprio (sched_params.priority ()); #else ACE_UNUSED_ARG (sched_params); ACE_NOTSUP_RETURN (-1); #endif /* ACE_HAS_STHREADS */ } // = Static initialization. // This is necessary to deal with POSIX pthreads insanity. This // guarantees that we've got a "zero'd" thread id even when // ACE_thread_t, ACE_hthread_t, and ACE_thread_key_t are implemented // as structures... Under no circumstances should these be given // initial values. ACE_thread_t ACE_OS::NULL_thread; ACE_hthread_t ACE_OS::NULL_hthread; ACE_thread_key_t ACE_OS::NULL_key; #if defined (ACE_WIN32) // = Static initialization. // Keeps track of whether we've initialized the WinSock DLL. int ACE_OS::socket_initialized_; #endif /* WIN32 */ #if defined (ACE_WIN32) || defined (ACE_HAS_TSS_EMULATION) #include "ace/Array.h" class ACE_TSS_Ref // = TITLE // "Reference count" for thread-specific storage keys. // // = DESCRIPTION // Since the doesn't allow duplicates, the // "reference count" is the identify of the thread_id. { public: ACE_TSS_Ref (ACE_thread_t id); // Constructor ACE_TSS_Ref (void); // Default constructor int operator== (const ACE_TSS_Ref &); // Check for equality. int operator!= (const ACE_TSS_Ref &); // Check for inequality. // private: ACE_thread_t tid_; // ID of thread using a specific key. }; ACE_TSS_Ref::ACE_TSS_Ref (ACE_thread_t id) : tid_(id) { // ACE_TRACE ("ACE_TSS_Ref::ACE_TSS_Ref"); } ACE_TSS_Ref::ACE_TSS_Ref (void) { // ACE_TRACE ("ACE_TSS_Ref::ACE_TSS_Ref"); } // Check for equality. int ACE_TSS_Ref::operator== (const ACE_TSS_Ref &info) { // ACE_TRACE ("ACE_TSS_Ref::operator=="); return this->tid_ == info.tid_; } // Check for inequality. inline int ACE_TSS_Ref::operator!= (const ACE_TSS_Ref &tss_ref) { // ACE_TRACE ("ACE_TSS_Ref::operator=="); return !(*this == tss_ref); } class ACE_TSS_Info // = TITLE // Thread Specific Key management. // // = DESCRIPTION // This class maps a key to a "destructor." { public: ACE_TSS_Info (ACE_thread_key_t key, void (*dest)(void *) = 0, void *tss_inst = 0); // Constructor ACE_TSS_Info (void); // Default constructor int key_in_use (void) const { return thread_count_ != -1; } // Returns 1 if the key is in use, 0 if not. void key_in_use (int flag) { thread_count_ = flag == 0 ? -1 : 1; } // Mark the key as being in use if the flag is non-zero, or // not in use if the flag is 0. int operator== (const ACE_TSS_Info &); // Check for equality. int operator!= (const ACE_TSS_Info &); // Check for inequality. void dump (void); // Dump the state. private: ACE_thread_key_t key_; // Key to the thread-specific storage item. void (*destructor_)(void *); // "Destructor" that gets called when the item is finally released. void *tss_obj_; // Pointer to ACE_TSS instance that has/will allocate the key. int thread_count_; // Count of threads that are using this key. Contains -1 when the // key is not in use. friend class ACE_TSS_Cleanup; }; ACE_TSS_Info::ACE_TSS_Info (ACE_thread_key_t key, void (*dest)(void *), void *tss_inst) : key_ (key), destructor_ (dest), tss_obj_ (tss_inst), thread_count_ (-1) { // ACE_TRACE ("ACE_TSS_Info::ACE_TSS_Info"); } ACE_TSS_Info::ACE_TSS_Info (void) { // ACE_TRACE ("ACE_TSS_Info::ACE_TSS_Info"); } #if defined (ACE_HAS_NONSCALAR_THREAD_KEY_T) static inline int operator== (const ACE_thread_key_t &lhs, const ACE_thread_key_t &rhs) { return ! ACE_OS::memcmp (&lhs, &rhs, sizeof (ACE_thread_key_t)); } static inline int operator!= (const ACE_thread_key_t &lhs, const ACE_thread_key_t &rhs) { return ! (lhs == rhs); } #endif /* ACE_HAS_NONSCALAR_THREAD_KEY_T */ // Check for equality. int ACE_TSS_Info::operator== (const ACE_TSS_Info &info) { // ACE_TRACE ("ACE_TSS_Info::operator=="); return this->key_ == info.key_; } // Check for inequality. inline int ACE_TSS_Info::operator!= (const ACE_TSS_Info &info) { // ACE_TRACE ("ACE_TSS_Info::operator=="); return !(*this == info); } void ACE_TSS_Info::dump (void) { // ACE_TRACE ("ACE_TSS_Info::dump"); ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this)); ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("key_ = %u"), this->key_)); ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("\ndestructor_ = %u"), this->destructor_)); ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("\ntss_obj_ = %u"), this->tss_obj_)); ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP)); } class ACE_TSS_Keys // = TITLE // Collection of in-use flags for a thread's TSS keys. // For internal use only by ACE_TSS_Cleanup; it is public because // some compilers can't use nested classes for template instantiation // parameters. // // = DESCRIPTION // Wrapper around array of whether each key is in use. A simple // typedef doesn't work with Sun C++ 4.2. { public: ACE_TSS_Keys (void); // Default constructor, to initialize all bits to zero (unused). int test_and_set (const ACE_thread_key_t key); // Mark the specified key as being in use, if it was not already so marked. // Returns 1 if the had already been marked, 0 if not. int test_and_clear (const ACE_thread_key_t key); // Mark the specified key as not being in use, if it was not already so // cleared. Returns 1 if the had already been cleared, 0 if not. private: static void find (const u_int key, u_int &word, u_int &bit); // For a given key, find the word and bit number that represent it. enum { #if ACE_SIZEOF_LONG == 8 ACE_BITS_PER_WORD = 64, #elif ACE_SIZEOF_LONG == 4 ACE_BITS_PER_WORD = 32, #else #error ACE_TSS_Keys only supports 32 or 64 bit longs. #endif /* ACE_SIZEOF_LONG == 8 */ ACE_WORDS = (ACE_DEFAULT_THREAD_KEYS - 1) / ACE_BITS_PER_WORD + 1 }; u_long key_bit_words_[ACE_WORDS]; // Bit flag collection. A bit value of 1 indicates that the key is in // use by this thread. }; ACE_TSS_Keys::ACE_TSS_Keys (void) { for (u_int i = 0; i < ACE_WORDS; ++i) { key_bit_words_[i] = 0; } } inline void ACE_TSS_Keys::find (const u_int key, u_int &word, u_int &bit) { word = key / ACE_BITS_PER_WORD; bit = key % ACE_BITS_PER_WORD; } int ACE_TSS_Keys::test_and_set (const ACE_thread_key_t key) { ACE_KEY_INDEX (key_index, key); u_int word, bit; find (key_index, word, bit); if (ACE_BIT_ENABLED (key_bit_words_[word], 1 << bit)) { return 1; } else { ACE_SET_BITS (key_bit_words_[word], 1 << bit); return 0; } } int ACE_TSS_Keys::test_and_clear (const ACE_thread_key_t key) { ACE_KEY_INDEX (key_index, key); u_int word, bit; find (key_index, word, bit); if (ACE_BIT_ENABLED (key_bit_words_[word], 1 << bit)) { ACE_CLR_BITS (key_bit_words_[word], 1 << bit); return 0; } else { return 1; } } class ACE_TSS_Cleanup // = TITLE // Singleton that knows how to clean up all the thread-specific // resources for Win32. // // = DESCRIPTION // All this nonsense is required since Win32 doesn't // automatically cleanup thread-specific storage on thread exit, // unlike real operating systems... ;-) { public: static ACE_TSS_Cleanup *instance (void); ~ACE_TSS_Cleanup (void); void exit (void *status); // Cleanup the thread-specific objects. Does _NOT_ exit the thread. int insert (ACE_thread_key_t key, void (*destructor)(void *), void *inst); // Insert a tuple into the table. int remove (ACE_thread_key_t key); // Remove a tuple from the table. int detach (void *inst); // Detaches a tss_instance from its key. void key_used (ACE_thread_key_t key); // Mark a key as being used by this thread. int free_all_key_left (void); // Free all key left in the table before destruct myself. static int lockable () { return instance_ != 0; } // Indication of whether the ACE_TSS_CLEANUP_LOCK is usable, and // therefore whether we are in static constructor/destructor phase // or not. protected: void dump (void); ACE_TSS_Cleanup (void); // Ensure singleton. private: // Array of objects. typedef ACE_Array ACE_TSS_TABLE; typedef ACE_Array_Iterator ACE_TSS_TABLE_ITERATOR; ACE_TSS_TABLE table_; // Table of 's. ACE_TSS in_use_; // Array, per thread (in TSS), of whether each TSS key is in use. // = Static data. static ACE_TSS_Cleanup *instance_; // Pointer to the singleton instance. }; // = Static object initialization. // Pointer to the singleton instance. ACE_TSS_Cleanup *ACE_TSS_Cleanup::instance_ = 0; ACE_TSS_Cleanup::~ACE_TSS_Cleanup (void) { // Zero out the instance pointer to support lockable () accessor. ACE_TSS_Cleanup::instance_ = 0; } void ACE_TSS_Cleanup::exit (void * /* status */) { // ACE_TRACE ("ACE_TSS_Cleanup::exit"); ACE_TSS_Info *key_info = 0; ACE_TSS_Info info_arr[ACE_DEFAULT_THREAD_KEYS]; int info_ix = 0; // While holding the lock, we only collect the ACE_TSS_Info objects // in an array without invoking the according destructors. { ACE_MT (ACE_Recursive_Thread_Mutex *lock = ACE_Managed_Object::get_preallocated_object (ACE_Object_Manager::ACE_TSS_CLEANUP_LOCK); ACE_GUARD (ACE_Recursive_Thread_Mutex, ace_mon, *lock)); // Iterate through all the thread-specific items and free them all // up. for (ACE_TSS_TABLE_ITERATOR iter (this->table_); iter.next (key_info) != 0; iter.advance ()) { if (! key_info->key_in_use ()) continue; // If the key's ACE_TSS_Info in-use bit for this thread was set, // unset it and decrement the key's thread_count_. if (! in_use_->test_and_clear (key_info->key_)) { --key_info->thread_count_; } void *tss_info = 0; if (key_info->destructor_ && ACE_OS::thr_getspecific (key_info->key_, &tss_info) == 0 && tss_info) { info_arr[info_ix].key_ = key_info->key_; info_arr[info_ix].destructor_ = key_info->destructor_; info_arr[info_ix++].tss_obj_ = key_info->tss_obj_; } } } // Now we have given up the ACE_TSS_Cleanup::lock_ and we start // invoking destructors, in the reverse order of creation. for (int i = info_ix - 1; i >= 0; --i) { void *tss_info = 0; ACE_OS::thr_getspecific (info_arr[i].key_, &tss_info); if (tss_info != 0) { // Only call the destructor if the value is non-zero for this // thread. (*info_arr[i].destructor_)(tss_info); } } // Acquiring ACE_TSS_Cleanup::lock_ to free TLS keys and remove // entries from ACE_TSS_Info table. { ACE_MT (ACE_Recursive_Thread_Mutex *lock = ACE_Managed_Object::get_preallocated_object (ACE_Object_Manager::ACE_TSS_CLEANUP_LOCK); ACE_GUARD (ACE_Recursive_Thread_Mutex, ace_mon, *lock)); #if 0 // We shouldn't free the key and remove it from the table here // because if we do and some thread ends before other threads // even get started (or their TSS object haven't been created yet,) // it's entry will be removed from the table and we are in big chaos. // For TSS object, these have been done in ACE_TSS_Cleanup::detach. // Two other use cases will be user managed TSS'es and system wide // TSS, ones are users responsibilities and the others should be // persistant system wide. for (int i = 0; i < index; i++) { #if defined (ACE_WIN32) ::TlsFree (key_arr[i]); #else // don't bother to free the key #endif /* ACE_WIN32 */ this->table_.remove (ACE_TSS_Info (key_arr[i])); } #endif /* 0 */ } } int ACE_TSS_Cleanup::free_all_key_left (void) // This is call from ACE_OS::cleanup_tss // When this gets called, all threads should // have exited except the main thread. { ACE_thread_key_t key_arr[ACE_DEFAULT_THREAD_KEYS]; ACE_TSS_Info *key_info = 0; int idx = 0; for (ACE_TSS_TABLE_ITERATOR iter (this->table_); iter.next (key_info) != 0; iter.advance ()) key_arr [idx++] = key_info->key_; for (int i = 0; i < idx; i++) if (key_arr[i] != ACE_OS::NULL_key) ACE_OS::thr_keyfree (key_arr[i]); return 0; } ACE_TSS_Cleanup::ACE_TSS_Cleanup (void) : table_ (ACE_DEFAULT_THREAD_KEYS, ACE_TSS_Info (ACE_OS::NULL_key)), in_use_ () { // ACE_TRACE ("ACE_TSS_Cleanup::ACE_TSS_Cleanup"); } ACE_TSS_Cleanup * ACE_TSS_Cleanup::instance (void) { // ACE_TRACE ("ACE_TSS_Cleanup::instance"); // Create and initialize thread-specific key. if (ACE_TSS_Cleanup::instance_ == 0) { // Insure that we are serialized! ACE_MT (ACE_Recursive_Thread_Mutex *lock = ACE_Managed_Object::get_preallocated_object (ACE_Object_Manager::ACE_TSS_CLEANUP_LOCK); ACE_GUARD_RETURN (ACE_Recursive_Thread_Mutex, ace_mon, *lock, 0)); // Now, use the Double-Checked Locking pattern to make sure we // only create the ACE_TSS_Cleanup instance once. if (instance_ == 0) { ACE_NEW_RETURN (ACE_TSS_Cleanup::instance_, ACE_TSS_Cleanup, 0); } } return ACE_TSS_Cleanup::instance_; } int ACE_TSS_Cleanup::insert (ACE_thread_key_t key, void (*destructor)(void *), void *inst) { // ACE_TRACE ("ACE_TSS_Cleanup::insert"); ACE_MT (ACE_Recursive_Thread_Mutex *lock = ACE_Managed_Object::get_preallocated_object (ACE_Object_Manager::ACE_TSS_CLEANUP_LOCK); ACE_GUARD_RETURN (ACE_Recursive_Thread_Mutex, ace_mon, *lock, -1)); ACE_KEY_INDEX (key_index, key); return this->table_.set (ACE_TSS_Info (key, destructor, inst), key_index); } int ACE_TSS_Cleanup::remove (ACE_thread_key_t key) { // ACE_TRACE ("ACE_TSS_Cleanup::remove"); ACE_MT (ACE_Recursive_Thread_Mutex *lock = ACE_Managed_Object::get_preallocated_object (ACE_Object_Manager::ACE_TSS_CLEANUP_LOCK); ACE_GUARD_RETURN (ACE_Recursive_Thread_Mutex, ace_mon, *lock, -1)); ACE_KEY_INDEX (key_index, key); if (key_index <= this->table_.size ()) { // "Remove" the TSS_Info table entry by zeroing out its key_ and // destructor_ fields. ACE_TSS_Info &info = this->table_ [key_index]; info.key_ = ACE_OS::NULL_key; info.destructor_ = 0; return 0; } else return -1; } int ACE_TSS_Cleanup::detach (void *inst) { ACE_MT (ACE_Recursive_Thread_Mutex *lock = ACE_Managed_Object::get_preallocated_object (ACE_Object_Manager::ACE_TSS_CLEANUP_LOCK); ACE_GUARD_RETURN (ACE_Recursive_Thread_Mutex, ace_mon, *lock, -1)); ACE_TSS_Info *key_info = 0; int success = 0; int ref_cnt = 0; // Mark the key as detached in the TSS_Info table. // It only works for the first key that "inst" owns. // I don't know why. for (ACE_TSS_TABLE_ITERATOR iter (this->table_); iter.next (key_info) != 0; iter.advance ()) { if (key_info->tss_obj_ == inst) { key_info->tss_obj_ = 0; ref_cnt = key_info->thread_count_; success = 1; break; } } if (success == 0) return -1; else if (ref_cnt == 0) { // Mark the key as no longer being used. key_info->key_in_use (0); #if defined (ACE_WIN32) ::TlsFree (key_info->key_); #else // don't bother to free the key #endif /* ACE_WIN32 */ return this->remove (key_info->key_); } return 0; } void ACE_TSS_Cleanup::key_used (ACE_thread_key_t key) { // If the key's ACE_TSS_Info in-use bit for this thread is not set, // set it and increment the key's thread_count_. if (! in_use_->test_and_set (key)) { ACE_MT (ACE_Recursive_Thread_Mutex *lock = ACE_Managed_Object::get_preallocated_object (ACE_Object_Manager::ACE_TSS_CLEANUP_LOCK); ACE_GUARD (ACE_Recursive_Thread_Mutex, ace_mon, *lock)); // Retrieve the key's ACE_TSS_Info and increment its thread_count_. ACE_KEY_INDEX (key_index, key); ACE_TSS_Info &key_info = this->table_ [key_index]; if (key_info.thread_count_ == -1) key_info.key_in_use (1); else ++key_info.thread_count_; } } void ACE_TSS_Cleanup::dump (void) { ACE_TSS_Info *key_info = 0; // Iterate through all the thread-specific items and dump them all. for (ACE_TSS_TABLE_ITERATOR iter (this->table_); iter.next (key_info) != 0; iter.advance ()) key_info->dump (); } # if defined (ACE_HAS_TSS_EMULATION) u_int ACE_TSS_Emulation::total_keys_ = 0; ACE_TSS_Emulation::ACE_TSS_DESTRUCTOR ACE_TSS_Emulation::tss_destructor_ [ACE_TSS_Emulation::ACE_TSS_THREAD_KEYS_MAX] = { 0 }; void * ACE_TSS_Emulation::tss_open (void *ts_storage[ACE_TSS_THREAD_KEYS_MAX]) { #if ! defined (VXWORKS) // On VxWorks, don't check to see if the field is 0. It isn't always, // specifically, when a program is run directly by the shell (without // spawning a new task) after another program has been run. if (tss_base () == 0) { #endif /* VXWORKS */ // Use the supplied array for this thread's TSS. tss_base () = ts_storage; // Zero the entire TSS array. Do it manually instead of using // memset, for optimum speed. void **tss_base_p = tss_base (); for (u_int i = 0; i < ACE_TSS_THREAD_KEYS_MAX; ++i, ++tss_base_p) { *tss_base_p = 0; } return tss_base (); #if ! defined (VXWORKS) } else { return 0; } #endif /* VXWORKS */ } #if !defined (VXWORKS) // FOR TESTING ONLY! void ** ACE_TSS_Emulation::tss_collection_ [ACE_TSS_Emulation::ACE_TSS_THREADS_MAX] = { 0 }; #endif /* VXWORKS */ #endif /* ACE_HAS_TSS_EMULATION */ #if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION) template class ACE_Array; template class ACE_Array_Iterator; template class ACE_Node; template class ACE_TSS; #elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA) #pragma instantiate ACE_Array #pragma instantiate ACE_Array_Iterator #pragma instantiate ACE_Node #pragma instantiate ACE_TSS #endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */ #endif /* WIN32 || ACE_HAS_TSS_EMULATION */ void ACE_OS::cleanup_tss (const u_int main_thread) { #if defined (ACE_HAS_TSS_EMULATION) || defined (ACE_WIN32) // Call TSS destructors for current thread. ACE_TSS_Cleanup::instance ()->exit (0); #endif /* ACE_HAS_TSS_EMULATION || ACE_WIN32 */ if (main_thread) { #if ! defined (ACE_HAS_TSS_EMULATION) // Just close the ACE_Log_Msg for the current (which should be // main) thread. We don't have TSS emulation; if there's native // TSS, it should call its destructors when the main thread // exits. ACE_Log_Msg::close (); #endif /* ! ACE_HAS_TSS_EMULATION */ #if defined (ACE_WIN32) || defined (ACE_HAS_TSS_EMULATION) // Remove all TSS_Info table entries. ACE_TSS_Cleanup::instance ()->free_all_key_left (); // Finally, free up the ACE_TSS_Cleanup instance. This method gets // called by the ACE_Object_Manager. delete ACE_TSS_Cleanup::instance (); #endif /* WIN32 || ACE_HAS_TSS_EMULATION */ } } void ACE_Thread_Adapter::inherit_log_msg (void) { #if !defined (ACE_THREADS_DONT_INHERIT_LOG_MSG) // Inherit the logging features if the parent thread has an // . Note that all of the following operations occur // within thread-specific storage. ACE_Log_Msg *new_log = ACE_LOG_MSG; if (this->ostream_) { new_log->msg_ostream (this->ostream_); new_log->priority_mask (this->priority_mask_); if (this->tracing_enabled_) new_log->start_tracing (); new_log->restart (this->restart_); new_log->trace_depth (this->trace_depth_); } // @@ Now the TSS Log_Mesg has been created, cache my thread // descriptor in. if (this->thr_desc_ != 0) ACE_LOG_MSG->thr_desc (this->thr_desc_, this->thr_mgr_); // Block the thread from proceeding until // thread manager has thread descriptor ready. #endif /* ACE_THREADS_DONT_INHERIT_LOG_MSG */ } void * ACE_Thread_Adapter::invoke (void) { // Inherit the logging features if the parent thread has an // ACE_Log_Msg instance in thread-specific storage. this->inherit_log_msg (); // Extract the arguments. ACE_THR_FUNC func = this->user_func_; void *arg = this->arg_; // Delete ourselves since we don't need anymore. delete (void *) this; void *status = 0; ACE_SEH_TRY { ACE_SEH_TRY { status = (void*) (*func) (arg); // Call thread entry point. } ACE_SEH_FINALLY { // Call the Task->close () hook. if (func == (ACE_THR_FUNC) ACE_Task_Base::svc_run) { ACE_Task_Base *task_ptr = (ACE_Task_Base *) arg; ACE_Thread_Manager *thr_mgr_ptr = task_ptr->thr_mgr (); // This calls the Task->close () hook. task_ptr->cleanup (task_ptr, 0); // This prevents a second invocation of the cleanup code (called // later by ACE_Thread_Manager::exit()). thr_mgr_ptr->at_exit (task_ptr, 0, 0); } #if defined (ACE_WIN32) || defined (ACE_HAS_TSS_EMULATION) // Call TSS destructors. ACE_OS::cleanup_tss (0 /* not main thread */); # if defined (ACE_WIN32) && defined (ACE_HAS_MFC) && (ACE_HAS_MFC != 0) // Exit the thread. // Allow CWinThread-destructor to be invoked from AfxEndThread. // _endthreadex will be called from AfxEndThread so don't exit the // thread now if we are running an MFC thread. CWinThread *pThread = ::AfxGetThread (); if (!pThread || pThread->m_nThreadID != ACE_OS::thr_self ()) ::_endthreadex ((DWORD) status); else ::AfxEndThread ((DWORD)status); # endif /* ACE_WIN32 && ACE_HAS_MFC && ACE_HAS_MFS != 0*/ #endif /* ACE_WIN32 || ACE_HAS_TSS_EMULATION */ return status; } } #if defined (ACE_WIN32) ACE_SEH_EXCEPT (this->rethrow_w32_structural_exception ()) { // Here's where we might want to provide a hook to report this... // As it stands now, we just rethrow all Win32 structured exceptions // and report the situation. It is up to application programmers to // determine what to do. } #endif /* ACE_WIN32 */ } #if defined (ACE_WIN32) int ACE_Thread_Adapter::rethrow_w32_structural_exception () { ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("(%t) Win32 structured exception exiting thread\n"))); return (DWORD) EXCEPTION_CONTINUE_SEARCH; } #endif /* ACE_WIN32 */ ACE_Cleanup::~ACE_Cleanup () { } void ACE_Cleanup::cleanup (void *) { delete this; } extern "C" void ace_cleanup_destroyer (ACE_Cleanup *object, void *param) { object->cleanup (param); } // Run the thread entry point for the . This must // be an extern "C" to make certain compilers happy... extern "C" void * ace_thread_adapter (void *args) { // ACE_TRACE ("ace_thread_adapter"); #if defined (ACE_HAS_TSS_EMULATION) // As early as we can in the execution of the new thread, allocate // its local TS storage. Allocate it on the stack, to save dynamic // allocation/dealloction. void *ts_storage[ACE_TSS_Emulation::ACE_TSS_THREAD_KEYS_MAX]; ACE_TSS_Emulation::tss_open (ts_storage); #endif /* ACE_HAS_TSS_EMULATION */ ACE_Thread_Adapter *thread_args = (ACE_Thread_Adapter *) args; // Invoke the user-supplied function with the args. void *status = thread_args->invoke (); return status; } ACE_Thread_Adapter::ACE_Thread_Adapter (ACE_THR_FUNC user_func, void *arg, ACE_THR_C_FUNC entry_point, ACE_Thread_Manager *tm, ACE_Thread_Descriptor *td) : user_func_ (user_func), arg_ (arg), entry_point_ (entry_point), thr_mgr_ (tm), thr_desc_ (td) #if !defined (ACE_THREADS_DONT_INHERIT_LOG_MSG) , ostream_ (0), priority_mask_ (0), tracing_enabled_ (0), restart_ (1), trace_depth_ (0) #endif /* ACE_THREADS_DONT_INHERIT_LOG_MSG */ { // ACE_TRACE ("Ace_Thread_Adapter::Ace_Thread_Adapter"); #if !defined (ACE_THREADS_DONT_INHERIT_LOG_MSG) if ( ACE_Log_Msg::exists() ) { ACE_Log_Msg *inherit_log_ = ACE_LOG_MSG; this->ostream_ = inherit_log_->msg_ostream (); this->priority_mask_ = inherit_log_->priority_mask (); this->tracing_enabled_ = inherit_log_->tracing_enabled (); this->restart_ = inherit_log_->restart (); this->trace_depth_ = inherit_log_->trace_depth (); } #endif /* ACE_THREADS_DONT_INHERIT_LOG_MSG */ } int ACE_OS::thr_create (ACE_THR_FUNC func, void *args, long flags, ACE_thread_t *thr_id, ACE_hthread_t *thr_handle, long priority, void *stack, size_t stacksize, ACE_Thread_Adapter *thread_adapter) { // ACE_TRACE ("ACE_OS::thr_create"); #if defined (ACE_NO_THREAD_ADAPTER) #define ACE_THREAD_FUNCTION func #define ACE_THREAD_ARGUMENT args #else #define ACE_THREAD_FUNCTION thread_args->entry_point () #define ACE_THREAD_ARGUMENT thread_args ACE_Thread_Adapter *thread_args; if (thread_adapter == 0) ACE_NEW_RETURN (thread_args, ACE_Thread_Adapter (func, args, (ACE_THR_C_FUNC) ace_thread_adapter), -1); else thread_args = thread_adapter; #endif /* ACE_NO_THREAD_ADAPTER */ #if defined (ACE_HAS_THREADS) #if !defined (VXWORKS) // On VxWorks, the OS will provide a task name if the user doesn't. // So, we don't need to create a tmp_thr. If the caller of this // member function is the Thread_Manager, than thr_id will be non-zero // anyways. ACE_thread_t tmp_thr; if (thr_id == 0) thr_id = &tmp_thr; #endif /* ! VXWORKS */ ACE_hthread_t tmp_handle; if (thr_handle == 0) thr_handle = &tmp_handle; # if defined (ACE_HAS_DCETHREADS) || defined (ACE_HAS_PTHREADS) int result; pthread_attr_t attr; # if defined (ACE_HAS_DCETHREADS) if (::pthread_attr_create (&attr) != 0) # else /* ACE_HAS_DCETHREADS */ if (::pthread_attr_init (&attr) != 0) # endif /* ACE_HAS_DCETHREADS */ return -1; # if !defined (ACE_LACKS_SETSCHED) // The PRIORITY stuff used to be here...-cjc # endif /* ACE_LACKS_SETSCHED */ // *** Set Stack Size # if defined (ACE_NEEDS_HUGE_THREAD_STACKSIZE) if (stacksize < ACE_NEEDS_HUGE_THREAD_STACKSIZE) stacksize = ACE_NEEDS_HUGE_THREAD_STACKSIZE; # endif /* ACE_NEEDS_HUGE_THREAD_STACKSIZE */ # if defined (CHORUS) // If it is a super actor, we can't set stacksize. But for the time // being we are all non-super actors. Should be fixed to take care // of super actors!!! if (stacksize == 0) stacksize = ACE_CHORUS_DEFAULT_MIN_STACK_SIZE; else if (stacksize < ACE_CHORUS_DEFAULT_MIN_STACK_SIZE) stacksize = ACE_CHORUS_DEFAULT_MIN_STACK_SIZE; # endif /*CHORUS */ if (stacksize != 0) { size_t size = stacksize; # if defined (PTHREAD_STACK_MIN) if (size < PTHREAD_STACK_MIN) size = PTHREAD_STACK_MIN; # endif /* PTHREAD_STACK_MIN */ # if !defined (ACE_LACKS_THREAD_STACK_SIZE) // JCEJ 12/17/96 if (::pthread_attr_setstacksize (&attr, size) != 0) { # if defined (ACE_HAS_DCETHREADS) ::pthread_attr_delete (&attr); # else /* ACE_HAS_DCETHREADS */ ::pthread_attr_destroy (&attr); # endif /* ACE_HAS_DCETHREADS */ return -1; } # else ACE_UNUSED_ARG (size); # endif /* !ACE_LACKS_THREAD_STACK_SIZE */ } // *** Set Stack Address # if !defined (ACE_LACKS_THREAD_STACK_ADDR) if (stack != 0) { if (::pthread_attr_setstackaddr (&attr, stack) != 0) { # if defined (ACE_HAS_DCETHREADS) ::pthread_attr_delete (&attr); # else /* ACE_HAS_DCETHREADS */ ::pthread_attr_destroy (&attr); # endif /* ACE_HAS_DCETHREADS */ return -1; } } # else ACE_UNUSED_ARG (stack); # endif /* !ACE_LACKS_THREAD_STACK_ADDR */ // *** Deal with various attributes if (flags != 0) { // *** Set Detach state # if !defined (ACE_LACKS_SETDETACH) if (ACE_BIT_ENABLED (flags, THR_DETACHED) || ACE_BIT_ENABLED (flags, THR_JOINABLE)) { int dstate = PTHREAD_CREATE_JOINABLE; if (ACE_BIT_ENABLED (flags, THR_DETACHED)) dstate = PTHREAD_CREATE_DETACHED; # if defined (ACE_HAS_DCETHREADS) if (::pthread_attr_setdetach_np (&attr, dstate) != 0) # else /* ACE_HAS_DCETHREADS */ # if defined (ACE_HAS_PTHREAD_DSTATE_PTR) if (::pthread_attr_setdetachstate (&attr, &dstate) != 0) # else if (::pthread_attr_setdetachstate (&attr, dstate) != 0) # endif /* ACE_HAS_PTHREAD_DSTATE_PTR */ # endif /* ACE_HAS_DCETHREADS */ { # if defined (ACE_HAS_DCETHREADS) ::pthread_attr_delete (&attr); # else /* ACE_HAS_DCETHREADS */ ::pthread_attr_destroy (&attr); # endif /* ACE_HAS_DCETHREADS */ return -1; } } # endif /* ACE_LACKS_SETDETACH */ // *** Set Policy # if !defined (ACE_LACKS_SETSCHED) || defined (ACE_HAS_DCETHREADS) // If we wish to set the priority explicitly, we have to enable // explicit scheduling, and a policy, too. if (priority != ACE_DEFAULT_THREAD_PRIORITY) { ACE_SET_BITS (flags, THR_EXPLICIT_SCHED); if (ACE_BIT_DISABLED (flags, THR_SCHED_FIFO) && ACE_BIT_DISABLED (flags, THR_SCHED_RR) && ACE_BIT_DISABLED (flags, THR_SCHED_DEFAULT)) ACE_SET_BITS (flags, THR_SCHED_DEFAULT); } if (ACE_BIT_ENABLED (flags, THR_SCHED_FIFO) || ACE_BIT_ENABLED (flags, THR_SCHED_RR) || ACE_BIT_ENABLED (flags, THR_SCHED_DEFAULT)) { int spolicy; # if defined (ACE_HAS_ONLY_SCHED_OTHER) // Solaris, thru version 2.5.1, only supports SCHED_OTHER. spolicy = SCHED_OTHER; # else if (ACE_BIT_ENABLED (flags, THR_SCHED_DEFAULT)) spolicy = SCHED_OTHER; else if (ACE_BIT_ENABLED (flags, THR_SCHED_FIFO)) spolicy = SCHED_FIFO; #if defined (SCHED_IO) else if (ACE_BIT_ENABLED (flags, THR_SCHED_IO)) spolicy = SCHED_IO; #else else if (ACE_BIT_ENABLED (flags, THR_SCHED_IO)) { errno = ENOSYS; return -1; } #endif /* SCHED_IO */ else spolicy = SCHED_RR; # endif /* ACE_HAS_ONLY_SCHED_OTHER */ # if !defined (ACE_HAS_FSU_PTHREADS) # if defined (ACE_HAS_DCETHREADS) result = ::pthread_attr_setsched (&attr, spolicy); # else /* ACE_HAS_DCETHREADS */ result = ::pthread_attr_setschedpolicy (&attr, spolicy); # endif /* ACE_HAS_DCETHREADS */ if (result != 0) { // Preserve the errno value. errno = result; # if defined (ACE_HAS_DCETHREADS) ::pthread_attr_delete (&attr); # else /* ACE_HAS_DCETHREADS */ ::pthread_attr_destroy (&attr); # endif /* ACE_HAS_DCETHREADS */ return -1; } # else int ret; switch (spolicy) { case SCHED_FIFO: case SCHED_RR: ret = 0; break; default: ret = 22; break; } if (ret != 0) { # if defined (ACE_HAS_DCETHREADS) ::pthread_attr_delete (&attr); # else /* ACE_HAS_DCETHREADS */ ::pthread_attr_destroy (&attr); # endif /* ACE_HAS_DCETHREADS */ return -1; } # endif /* ACE_HAS_FSU_PTHREADS */ } // *** Set Priority (use reasonable default priorities) # if defined(ACE_HAS_PTHREADS_1003_DOT_1C) // If we wish to explicitly set a scheduling policy, we also // have to specify a priority. We choose a "middle" priority as // default. Maybe this is also necessary on other POSIX'ish // implementations? if ((ACE_BIT_ENABLED (flags, THR_SCHED_FIFO) || ACE_BIT_ENABLED (flags, THR_SCHED_RR) || ACE_BIT_ENABLED (flags, THR_SCHED_DEFAULT)) && priority == ACE_DEFAULT_THREAD_PRIORITY) { if (ACE_BIT_ENABLED (flags, THR_SCHED_FIFO)) priority = ACE_THR_PRI_FIFO_DEF; else if (ACE_BIT_ENABLED (flags, THR_SCHED_RR)) priority = ACE_THR_PRI_RR_DEF; else // THR_SCHED_DEFAULT priority = ACE_THR_PRI_OTHER_DEF; } # endif //ACE_HAS_PTHREADS_1003_DOT_1C if (priority != ACE_DEFAULT_THREAD_PRIORITY) { struct sched_param sparam; ACE_OS::memset ((void *) &sparam, 0, sizeof sparam); # if defined (ACE_HAS_DCETHREADS) && !defined (ACE_HAS_DCE_DRAFT4_THREADS) sparam.sched_priority = ACE_MIN (priority, PRIORITY_MAX); # elif defined(ACE_HAS_IRIX62_THREADS) sparam.sched_priority = ACE_MIN (priority, PTHREAD_MAX_PRIORITY); # elif defined (PTHREAD_MAX_PRIORITY) && !defined(ACE_HAS_PTHREADS_1003_DOT_1C) /* For MIT pthreads... */ sparam.prio = ACE_MIN (priority, PTHREAD_MAX_PRIORITY); # elif defined(ACE_HAS_PTHREADS_1003_DOT_1C) // The following code forces priority into range. if (ACE_BIT_ENABLED (flags, THR_SCHED_FIFO)) sparam.sched_priority = ACE_MIN (ACE_THR_PRI_FIFO_MAX, ACE_MAX (ACE_THR_PRI_FIFO_MIN, priority)); else if (ACE_BIT_ENABLED(flags, THR_SCHED_RR)) sparam.sched_priority = ACE_MIN (ACE_THR_PRI_RR_MAX, ACE_MAX (ACE_THR_PRI_RR_MIN, priority)); else // Default policy, whether set or not sparam.sched_priority = ACE_MIN (ACE_THR_PRI_OTHER_MAX, ACE_MAX (ACE_THR_PRI_OTHER_MIN, priority)); # else sparam.sched_priority = priority; # endif # if defined (ACE_HAS_FSU_PTHREADS) if (sparam.sched_priority >= PTHREAD_MIN_PRIORITY && sparam.sched_priority <= PTHREAD_MAX_PRIORITY) attr.prio = sparam.sched_priority; else { pthread_attr_destroy (&attr); errno = EINVAL; return -1; } # else { # if defined (ACE_HAS_STHREADS) // Solaris POSIX only allows priorities > 0 to // ::pthread_attr_setschedparam. If a priority of 0 was // requested, set the thread priority after creating it, below. if (priority > 0) # endif /* STHREADS */ { # if defined (ACE_HAS_DCETHREADS) result = ::pthread_attr_setprio (&attr, sparam.sched_priority); # else /* ACE_HAS_DCETHREADS */ result = ::pthread_attr_setschedparam (&attr, &sparam); # endif /* ACE_HAS_DCETHREADS */ if (result != 0) { # if defined (ACE_HAS_DCETHREADS) ::pthread_attr_delete (&attr); # else /* ACE_HAS_DCETHREADS */ ::pthread_attr_destroy (&attr); # endif /* ACE_HAS_DCETHREADS */ errno = result; return -1; } } } # endif /* ACE_HAS_FSU_PTHREADS */ } // *** Set scheduling explicit or inherited if (ACE_BIT_ENABLED (flags, THR_INHERIT_SCHED) || ACE_BIT_ENABLED (flags, THR_EXPLICIT_SCHED)) { # if defined (ACE_HAS_DCETHREADS) int sched = PTHREAD_DEFAULT_SCHED; # else /* ACE_HAS_DCETHREADS */ int sched = PTHREAD_EXPLICIT_SCHED; # endif /* ACE_HAS_DCETHREADS */ if (ACE_BIT_ENABLED (flags, THR_INHERIT_SCHED)) sched = PTHREAD_INHERIT_SCHED; if (::pthread_attr_setinheritsched (&attr, sched) != 0) { # if defined (ACE_HAS_DCETHREADS) ::pthread_attr_delete (&attr); # else /* ACE_HAS_DCETHREADS */ ::pthread_attr_destroy (&attr); # endif /* ACE_HAS_DCETHREADS */ return -1; } } # endif /* ACE_LACKS_SETSCHED || ACE_HAS_DCETHREADS */ // *** Set Scope # if !defined (ACE_LACKS_THREAD_PROCESS_SCOPING) if (ACE_BIT_ENABLED (flags, THR_SCOPE_SYSTEM) || ACE_BIT_ENABLED (flags, THR_SCOPE_PROCESS)) { int scope = PTHREAD_SCOPE_PROCESS; if (ACE_BIT_ENABLED (flags, THR_SCOPE_SYSTEM)) scope = PTHREAD_SCOPE_SYSTEM; if (::pthread_attr_setscope (&attr, scope) != 0) { # if defined (ACE_HAS_DCETHREADS) ::pthread_attr_delete (&attr); # else /* ACE_HAS_DCETHREADS */ ::pthread_attr_destroy (&attr); # endif /* ACE_HAS_DCETHREADS */ return -1; } } # endif /* !ACE_LACKS_THREAD_PROCESS_SCOPING */ if (ACE_BIT_ENABLED (flags, THR_NEW_LWP)) { // Increment the number of LWPs by one to emulate the // Solaris semantics. int lwps = ACE_OS::thr_getconcurrency (); if (lwps == -1) { if (errno == ENOTSUP) { // Suppress the ENOTSUP because it's harmless. errno = 0; } else { // This should never happen on Solaris: // ::thr_getconcurrency () should always succeed. return -1; } } else { if (ACE_OS::thr_setconcurrency (lwps + 1) == -1) { if (errno == ENOTSUP) { // Unlikely: ::thr_getconcurrency () is supported but // ::thr_setconcurrency () is not? } else { return -1; } } } } } # if defined (ACE_HAS_DCETHREADS) # if defined (ACE_HAS_DCE_DRAFT4_THREADS) ACE_OSCALL (::pthread_create (thr_id, attr, ACE_THREAD_FUNCTION, ACE_THREAD_ARGUMENT), int, -1, result); # else ACE_OSCALL (ACE_ADAPT_RETVAL (::pthread_create (thr_id, attr, ACE_THREAD_FUNCTION, ACE_THREAD_ARGUMENT), result), int, -1, result); # endif /* ACE_HAS_DCE_DRAFT4_THREADS */ ::pthread_attr_delete (&attr); # else /* !ACE_HAS_DCETHREADS */ ACE_OSCALL (ACE_ADAPT_RETVAL (::pthread_create (thr_id, &attr, ACE_THREAD_FUNCTION, ACE_THREAD_ARGUMENT), result), int, -1, result); ::pthread_attr_destroy (&attr); # endif /* ACE_HAS_DCETHREADS */ // This is a Solaris, POSIX, or DCE implementation of pthreads, // where we assume that ACE_thread_t and ACE_hthread_t are the same. // If this *isn't* correct on some platform, please let us know. if (result != -1) *thr_handle = *thr_id; # if defined (ACE_HAS_STHREADS) // If the priority is 0, then we might have to set it now because we // couldn't set it with ::pthread_attr_setschedparam, as noted // above. This doesn't provide strictly correct behavior, because // the thread was created (above) with the priority of its parent. // (That applies regardless of the inherit_sched attribute: if it // was PTHREAD_INHERIT_SCHED, then it certainly inherited its // parent's priority. If it was PTHREAD_EXPLICIT_SCHED, then "attr" // was initialized by the Solaris ::pthread_attr_init () to contain // NULL for the priority, which indicated to Solaris // ::pthread_create () to inherit the parent priority.) if (priority == 0) { // Check the priority of this thread, which is the parent of the // newly created thread. If it is 0, then the newly created // thread will have inherited the priority of 0, so there's no // need to explicitly set it. struct sched_param sparam; int policy = 0; ACE_OSCALL (ACE_ADAPT_RETVAL (::pthread_getschedparam (thr_self (), &policy, &sparam), result), int, -1, result); if (sparam.sched_priority != 0) { ACE_OS::memset ((void *) &sparam, 0, sizeof sparam); // The memset to 0 sets the priority to 0, so we don't need // to explicitly set sparam.sched_priority. // The only policy currently (version 2.5.1) supported by by Solaris // is SCHED_OTHER, so that's hard-coded below. ACE_OSCALL_RETURN (ACE_ADAPT_RETVAL (::pthread_setschedparam ( *thr_id, SCHED_OTHER, &sparam), result), int, -1); } } # endif /* ACE_HAS_STHREADS */ return result; # elif defined (ACE_HAS_STHREADS) int result; int start_suspended = ACE_BIT_ENABLED (flags, THR_SUSPENDED); if (priority != ACE_DEFAULT_THREAD_PRIORITY) // If we need to set the priority, then we need to start the // thread in a suspended mode. ACE_SET_BITS (flags, THR_SUSPENDED); ACE_OSCALL (ACE_ADAPT_RETVAL (::thr_create (stack, stacksize, ACE_THREAD_FUNCTION, ACE_THREAD_ARGUMENT, flags, thr_id), result), int, -1, result); if (result != -1) { // With Solaris threads, ACE_thread_t and ACE_hthread_t are the same. *thr_handle = *thr_id; if (priority != ACE_DEFAULT_THREAD_PRIORITY) { // Set the priority of the new thread and then let it // continue, but only if the user didn't start it suspended // in the first place! if ((result = ACE_OS::thr_setprio (*thr_id, priority)) != 0) { errno = result; return -1; } if (start_suspended == 0) { if ((result = ACE_OS::thr_continue (*thr_id)) != 0) { errno = result; return -1; } } } } return result; # elif defined (ACE_HAS_WTHREADS) ACE_UNUSED_ARG (stack); # if defined (ACE_HAS_MFC) && (ACE_HAS_MFC != 0) if (ACE_BIT_ENABLED (flags, THR_USE_AFX)) { CWinThread *cwin_thread = ::AfxBeginThread ((AFX_THREADPROC) &ACE_THREAD_FUNCTION, ACE_THREAD_ARGUMENT, priority, 0, flags | THR_SUSPENDED); // Have to duplicate the handle because // CWinThread::~CWinThread() closes the original handle. #if !defined (ACE_HAS_WINCE) (void) ::DuplicateHandle (::GetCurrentProcess (), cwin_thread->m_hThread, ::GetCurrentProcess (), thr_handle, 0, TRUE, DUPLICATE_SAME_ACCESS); #endif /* ! ACE_HAS_WINCE */ *thr_id = cwin_thread->m_nThreadID; if (ACE_BIT_ENABLED (flags, THR_SUSPENDED) == 0) cwin_thread->ResumeThread (); // cwin_thread will be deleted in AfxThreadExit() // Warning: If AfxThreadExit() is called from within the // thread, ACE_TSS_Cleanup->exit() never gets called ! } else # endif /* ACE_HAS_MFC */ { int start_suspended = ACE_BIT_ENABLED (flags, THR_SUSPENDED); if (priority != ACE_DEFAULT_THREAD_PRIORITY) // If we need to set the priority, then we need to start the // thread in a suspended mode. ACE_SET_BITS (flags, THR_SUSPENDED); *thr_handle = (void *) ::_beginthreadex (0, stacksize, (unsigned (__stdcall *) (void *)) ACE_THREAD_FUNCTION, ACE_THREAD_ARGUMENT, flags, (unsigned int *) thr_id); if (priority != ACE_DEFAULT_THREAD_PRIORITY && *thr_handle != 0) { // Set the priority of the new thread and then let it // continue, but only if the user didn't start it suspended // in the first place! ACE_OS::thr_setprio (*thr_handle, priority); if (start_suspended == 0) ACE_OS::thr_continue (*thr_handle); } } # if 0 *thr_handle = ::CreateThread (0, stacksize, LPTHREAD_START_ROUTINE (ACE_THREAD_FUNCTION), ACE_THREAD_ARGUMENT, flags, thr_id); # endif /* 0 */ // Close down the handle if no one wants to use it. if (thr_handle == &tmp_handle) ::CloseHandle (tmp_handle); if (*thr_handle != 0) return 0; else ACE_FAIL_RETURN (-1); /* NOTREACHED */ # elif defined (VXWORKS) // The hard-coded values below are what ::sp () would use. (::sp () // hardcodes priority to 100, flags to VX_FP_TASK, and stacksize to // 20,000.) stacksize should be an even integer. If a stack is not // specified, ::taskSpawn () is used so that we can set the // priority, flags, and stacksize. If a stack is specified, // ::taskInit ()/::taskActivate() are used. // If called with thr_create() defaults, use same default values as ::sp (): if (priority == ACE_DEFAULT_THREAD_PRIORITY) priority = 100; // Assumes that there is a floating point coprocessor. As noted // above, ::sp () hardcodes this, so we should be safe with it. if (flags == 0) flags = VX_FP_TASK; if (stacksize == 0) stacksize = 20000; const u_int thr_id_provided = thr_id && ACE_OS::strncmp (*thr_id, "==ace_t==", 9); ACE_hthread_t tid; #if 0 /* Don't support setting of stack, because it doesn't seem to work. */ if (stack == 0) { #else ACE_UNUSED_ARG (stack); #endif /* 0 */ // The call below to ::taskSpawn () causes VxWorks to assign a // unique task name of the form: "t" + an integer, because the // first argument is 0. tid = ::taskSpawn (thr_id_provided ? *thr_id : 0, priority, (int) flags, (int) stacksize, ACE_THREAD_FUNCTION, (int) ACE_THREAD_ARGUMENT, 0, 0, 0, 0, 0, 0, 0, 0, 0); #if 0 /* Don't support setting of stack, because it doesn't seem to work. */ } else { // If a task name (thr_id) was not supplied, then the task will // not have a unique name. That's VxWorks' behavior. // Carve out a TCB at the beginning of the stack space. The TCB // occupies 400 bytes with VxWorks 5.3.1/I386. WIND_TCB *tcb = (WIND_TCB *) stack; // The TID is defined to be the address of the TCB. int status = ::taskInit (tcb, thr_id_provided ? *thr_id : 0, priority, (int) flags, (char *) stack + sizeof (WIND_TCB), (int) (stacksize - sizeof (WIND_TCB)), ACE_THREAD_FUNCTION, (int) ACE_THREAD_ARGUMENT, 0, 0, 0, 0, 0, 0, 0, 0, 0); if (status == OK) { // The task was successfully initialized, now activate it. status = ::taskActivate ((ACE_hthread_t) tcb); } tid = status == OK ? (ACE_hthread_t) tcb : ERROR; } #endif /* 0 */ if (tid == ERROR) return -1; else { if (! thr_id_provided) { // ::taskTcb (int tid) returns the address of the WIND_TCB // (task control block). According to the ::taskSpawn() // documentation, the name of the new task is stored at // pStackBase, but is that of the current task? If so, it // might be a bit quicker than this extraction of the tcb . . . ACE_OS::strncpy (*thr_id + 9, ::taskTcb (tid)->name, 10); } // else if the thr_id was provided, there's no need to overwrite // it with the same value (string). *thr_handle = tid; return 0; } # endif /* ACE_HAS_STHREADS */ #else ACE_UNUSED_ARG (func); ACE_UNUSED_ARG (args); ACE_UNUSED_ARG (flags); ACE_UNUSED_ARG (thr_id); ACE_UNUSED_ARG (thr_handle); ACE_UNUSED_ARG (priority); ACE_UNUSED_ARG (stack); ACE_UNUSED_ARG (stacksize); ACE_NOTSUP_RETURN (-1); #endif /* ACE_HAS_THREADS */ } void ACE_OS::thr_exit (void *status) { // ACE_TRACE ("ACE_OS::thr_exit"); #if defined (ACE_HAS_THREADS) # if defined (ACE_HAS_DCETHREADS) || defined (ACE_HAS_PTHREADS) ::pthread_exit (status); # elif defined (ACE_HAS_STHREADS) ::thr_exit (status); # elif defined (ACE_HAS_WTHREADS) // Can't call it here because on NT, the thread is exited // directly by ACE_Thread_Adapter::invoke (). // ACE_TSS_Cleanup::instance ()->exit (status); ACE_OS::cleanup_tss (0 /* not main thread */); // @@ How can I tell if this is the main thread or not? ::ExitThread ((DWORD) status); # elif defined (VXWORKS) ACE_hthread_t tid; ACE_OS::thr_self (tid); *((int *) status) = ::taskDelete (tid); # endif /* ACE_HAS_STHREADS */ #else ACE_UNUSED_ARG (status); #endif /* ACE_HAS_THREADS */ } int ACE_OS::thr_setspecific (ACE_thread_key_t key, void *data) { // ACE_TRACE ("ACE_OS::thr_setspecific"); #if defined (ACE_HAS_THREADS) # if defined (ACE_HAS_TSS_EMULATION) ACE_KEY_INDEX (key_index, key); if (key_index >= ACE_TSS_Emulation::total_keys ()) { errno = EINVAL; data = 0; return -1; } else { ACE_TSS_Emulation::ts_object (key) = data; ACE_TSS_Cleanup::instance ()->key_used (key); return 0; } # elif defined (ACE_HAS_DCETHREADS) || defined (ACE_HAS_PTHREADS) # if defined (ACE_HAS_FSU_PTHREADS) // Call pthread_init() here to initialize threads package. FSU // threads need an initialization before the first thread constructor. // This seems to be the one; however, a segmentation fault may // indicate that another pthread_init() is necessary, perhaps in // Synch.cpp or Synch_T.cpp. FSU threads will not reinit if called // more than once, so another call to pthread_init will not adversely // affect existing threads. pthread_init (); # endif /* ACE_HAS_FSU_PTHREADS */ ACE_OSCALL_RETURN (ACE_ADAPT_RETVAL (::pthread_setspecific (key, data), ace_result_), int, -1); # elif defined (ACE_HAS_STHREADS) ACE_OSCALL_RETURN (ACE_ADAPT_RETVAL (::thr_setspecific (key, data), ace_result_), int, -1); # elif defined (ACE_HAS_WTHREADS) ::TlsSetValue (key, data); ACE_TSS_Cleanup::instance ()->key_used (key); return 0; # endif /* ACE_HAS_STHREADS */ #else ACE_UNUSED_ARG (key); ACE_UNUSED_ARG (data); ACE_NOTSUP_RETURN (-1); #endif /* ACE_HAS_THREADS */ } int ACE_OS::thr_keyfree (ACE_thread_key_t key) { // ACE_TRACE ("ACE_OS::thr_keyfree"); #if defined (ACE_HAS_THREADS) # if defined (ACE_HAS_TSS_EMULATION) return ACE_TSS_Cleanup::instance ()->remove (key); # elif defined (ACE_LACKS_KEYDELETE) ACE_UNUSED_ARG (key); ACE_NOTSUP_RETURN (-1); # elif defined (ACE_HAS_PTHREADS) && !defined (ACE_HAS_FSU_PTHREADS) return ::pthread_key_delete (key); # elif defined (ACE_HAS_DCETHREADS) ACE_UNUSED_ARG (key); ACE_NOTSUP_RETURN (-1); # elif defined (ACE_HAS_THR_KEYDELETE) return ::thr_keydelete (key); # elif defined (ACE_HAS_STHREADS) ACE_UNUSED_ARG (key); ACE_NOTSUP_RETURN (-1); # elif defined (ACE_HAS_WTHREADS) // Extract out the thread-specific table instance and free up // the key and destructor. ACE_TSS_Cleanup::instance ()->remove (key); ACE_WIN32CALL_RETURN (ACE_ADAPT_RETVAL (::TlsFree (key), ace_result_), int, -1); # endif /* ACE_HAS_STHREADS */ #else ACE_UNUSED_ARG (key); ACE_NOTSUP_RETURN (-1); #endif /* ACE_HAS_THREADS */ } int ACE_OS::thr_keycreate (ACE_thread_key_t *key, #if defined (ACE_HAS_THR_C_DEST) ACE_THR_C_DEST dest, #else ACE_THR_DEST dest, #endif /* ACE_HAS_THR_C_DEST */ void *inst) { // ACE_TRACE ("ACE_OS::thr_keycreate"); #if defined (ACE_HAS_THREADS) # if defined (ACE_HAS_TSS_EMULATION) if (ACE_TSS_Emulation::next_key (*key) == 0) { ACE_TSS_Emulation::tss_destructor (*key, dest); // Extract out the thread-specific table instance and stash away // the key and destructor so that we can free it up later on... return ACE_TSS_Cleanup::instance ()->insert (*key, dest, inst); } else { errno = EAGAIN; return -1; } # elif defined (ACE_HAS_DCETHREADS) ACE_UNUSED_ARG (inst); # if defined (ACE_HAS_STDARG_THR_DEST) ACE_OSCALL_RETURN (::pthread_keycreate (key, (void (*)(...)) dest), int, -1); # else ACE_OSCALL_RETURN (::pthread_keycreate (key, dest), int, -1); # endif /* ACE_HAS_STDARG_THR_DEST */ # elif defined (ACE_HAS_PTHREADS) ACE_UNUSED_ARG (inst); ACE_OSCALL_RETURN (ACE_ADAPT_RETVAL (::pthread_key_create (key, dest), ace_result_), int, -1); # elif defined (ACE_HAS_STHREADS) ACE_UNUSED_ARG (inst); ACE_OSCALL_RETURN (ACE_ADAPT_RETVAL (::thr_keycreate (key, dest), ace_result_), int, -1); # elif defined (ACE_HAS_WTHREADS) *key = ::TlsAlloc (); if (*key != ACE_SYSCALL_FAILED) { // Extract out the thread-specific table instance and stash away // the key and destructor so that we can free it up later on... return ACE_TSS_Cleanup::instance ()->insert (*key, dest, inst); } else ACE_FAIL_RETURN (-1); /* NOTREACHED */ # endif /* ACE_HAS_STHREADS */ #else ACE_UNUSED_ARG (key); ACE_UNUSED_ARG (dest); ACE_UNUSED_ARG (inst); ACE_NOTSUP_RETURN (-1); #endif /* ACE_HAS_THREADS */ } int ACE_OS::thr_key_used (ACE_thread_key_t key) { #if defined (ACE_WIN32) || defined (ACE_HAS_TSS_EMULATION) ACE_TSS_Cleanup::instance ()->key_used (key); return 0; #else ACE_UNUSED_ARG (key); ACE_NOTSUP_RETURN (-1); #endif /* ACE_WIN32 || ACE_HAS_TSS_EMULATION */ } int ACE_OS::thr_key_detach (void *inst) { #if defined (ACE_WIN32) || defined (ACE_HAS_TSS_EMULATION) if (ACE_TSS_Cleanup::lockable ()) return ACE_TSS_Cleanup::instance()->detach (inst); else // We're in static constructor/destructor phase. Don't // try to use the ACE_TSS_Cleanup instance because its lock // might not have been constructed yet, or might have been // destroyed already. Just leak the key . . . return -1; #else ACE_UNUSED_ARG (inst); ACE_NOTSUP_RETURN (-1); #endif /* ACE_WIN32 || ACE_HAS_TSS_EMULATION */ } // Create a contiguous command-line argument buffer with each arg // separated by spaces. pid_t ACE_OS::fork_exec (ASYS_TCHAR *argv[]) { #if defined (ACE_WIN32) ACE_ARGV argv_buf (argv); if (argv_buf.buf () != 0) { PROCESS_INFORMATION process_info; #if !defined (ACE_HAS_WINCE) STARTUPINFO startup_info; ACE_OS::memset ((void *) &startup_info, 0, sizeof startup_info); startup_info.cb = sizeof startup_info; if (::CreateProcess (0, (LPTSTR) ACE_WIDE_STRING (argv_buf.buf ()), 0, // No process attributes. 0, // No thread attributes. TRUE, // Allow handle inheritance. 0, /* CREATE_NEW_CONSOLE */ // Don't create a new console window. 0, // No environment. 0, // No current directory. &startup_info, &process_info)) #else if (::CreateProcess (0, (LPTSTR) ACE_WIDE_STRING (argv_buf.buf ()), 0, // No process attributes. 0, // No thread attributes. FALSE, // Can's inherit handles on CE 0, /* CREATE_NEW_CONSOLE */ // Don't create a new console window. 0, // No environment. 0, // No current directory. 0, // Can't use startup info on CE &process_info)) #endif /* ! ACE_HAS_WINCE */ { // Free resources allocated in kernel. ACE_OS::close (process_info.hThread); ACE_OS::close (process_info.hProcess); // Return new process id. return process_info.dwProcessId; } } // CreateProcess failed. return -1; #elif defined (CHORUS) return -1; // do it later!!! #else pid_t result = ACE_OS::fork (); switch (result) { case -1: // Error. return -1; case 0: // Child process. if (ACE_OS::execv (argv[0], argv) == -1) { ACE_ERROR ((LM_ERROR, "%p Exec failed\n")); // If the execv fails, this child needs to exit. ACE_OS::exit (errno); } default: // Server process. The fork succeeded. return result; } #endif /* ACE_WIN32 */ } #if defined (ACE_NEEDS_WRITEV) // "Fake" writev for operating systems without it. Note that this is // thread-safe. extern "C" int writev (ACE_HANDLE handle, ACE_WRITEV_TYPE iov[], int n) { // ACE_TRACE ("::writev"); size_t length = 0; int i; // Determine the total length of all the buffers in . for (i = 0; i < n; i++) if (ACE_static_cast (int, iov[i].iov_len) < 0) return -1; else length += iov[i].iov_len; char *buf; #if defined (ACE_HAS_ALLOCA) buf = (char *) alloca (length); #else ACE_NEW_RETURN (buf, char[length], -1); #endif /* !defined (ACE_HAS_ALLOCA) */ char *ptr = buf; for (i = 0; i < n; i++) { ACE_OS::memcpy (ptr, iov[i].iov_base, iov[i].iov_len); ptr += iov[i].iov_len; } ssize_t result = ACE::send_n (handle, buf, length); #if !defined (ACE_HAS_ALLOCA) delete [] buf; #endif /* !defined (ACE_HAS_ALLOCA) */ return result; } #endif /* ACE_NEEDS_WRITEV */ #if defined (ACE_NEEDS_READV) // "Fake" readv for operating systems without it. Note that this is // thread-safe. extern "C" int readv (ACE_HANDLE handle, ACE_READV_TYPE *iov, int n) { // ACE_TRACE ("readv"); ssize_t length = 0; int i; for (i = 0; i < n; i++) if (ACE_static_cast (int, iov[i].iov_len) < 0) return -1; else length += iov[i].iov_len; char *buf; #if defined (ACE_HAS_ALLOCA) buf = (char *) alloca (length); #else ACE_NEW_RETURN (buf, char[length], -1); #endif /* !defined (ACE_HAS_ALLOCA) */ length = ACE::recv_n (handle, buf, length); if (length != -1) { char *ptr = buf; int copyn = length; for (i = 0; i < n && copyn > 0; i++) { ACE_OS::memcpy (iov[i].iov_base, ptr, // iov_len is int on some platforms, size_t on others copyn > (int) iov[i].iov_len ? (size_t) iov[i].iov_len : (size_t) copyn); ptr += iov[i].iov_len; copyn -= iov[i].iov_len; } } #if !defined (ACE_HAS_ALLOCA) delete [] buf; #endif /* !defined (ACE_HAS_ALLOCA) */ return length; } #endif /* ACE_NEEDS_READV */ #if defined (ACE_NEEDS_FTRUNCATE) extern "C" int ftruncate (ACE_HANDLE handle, long len) { struct flock fl; fl.l_whence = 0; fl.l_len = 0; fl.l_start = len; fl.l_type = F_WRLCK; return ::fcntl (handle, F_FREESP, &fl); } #endif /* ACE_NEEDS_FTRUNCATE */ #if defined (ACE_LACKS_MKTEMP) && !defined (ACE_HAS_MOSTLY_UNICODE_APIS) char * ACE_OS::mktemp (char *s) { // ACE_TRACE ("ACE_OS::mktemp"); if (s == 0) // check for null template string failed! return 0; else { char *xxxxxx = ACE_OS::strstr (s, "XXXXXX"); if (xxxxxx == 0) // the template string doesn't contain "XXXXXX"! return s; else { char unique_letter = 'a'; struct stat sb; // Find an unused filename for this process. It is assumed // that the user will open the file immediately after // getting this filename back (so, yes, there is a race // condition if multiple threads in a process use the same // template). This appears to match the behavior of the // Solaris 2.5 mktemp(). ACE_OS::sprintf (xxxxxx, "%05d%c", getpid (), unique_letter); while (::stat (s, &sb) >= 0) { if (++unique_letter <= 'z') ACE_OS::sprintf (xxxxxx, "%05d%c", getpid (), unique_letter); else { // maximum of 26 unique files per template, per process ACE_OS::sprintf (xxxxxx, "%s", ""); return s; } } } return s; } } #endif /* ACE_LACKS_MKTEMP && !ACE_HAS_MOSTLY_UNICODE_APIS */ int ACE_OS::socket_init (int version_high, int version_low) { #if defined (ACE_WIN32) if (ACE_OS::socket_initialized_ == 0) { // cout << "WSAStartup" << endl; WORD version_requested = MAKEWORD (version_high, version_low); WSADATA wsa_data; int error = WSAStartup (version_requested, &wsa_data); if (error != 0) #if defined (ACE_HAS_WINCE) { wchar_t fmt[] = L"%s failed, WSAGetLastError returned %d"; wchar_t buf[80]; // @@ Eliminate magic number. ACE_OS::sprintf (buf, fmt, L"WSAStartup", error); ::MessageBox (NULL, buf, L"WSAStartup failed!", MB_OK); } #else cerr << "WSAStartup failed, WSAGetLastError returned " << error << endl; #endif /* ACE_HAS_WINCE */ ACE_OS::socket_initialized_ = 1; } #else ACE_UNUSED_ARG (version_high); ACE_UNUSED_ARG (version_low); #endif /* ACE_WIN32 */ return 0; } int ACE_OS::socket_fini (void) { #if defined (ACE_WIN32) if (ACE_OS::socket_initialized_ != 0) { // cout << "WSACleanup" << endl; if (WSACleanup () != 0) { int error = ::WSAGetLastError (); #if defined (ACE_HAS_WINCE) wchar_t fmt[] = L"%s failed, WSAGetLastError returned %d"; wchar_t buf[80]; // @@ Eliminate magic number. ACE_OS::sprintf (buf, fmt, L"WSACleanup", error); ::MessageBox (NULL, buf , L"WSACleanup failed!", MB_OK); #else cerr << "WSACleanup failed, WSAGetLastError returned " << error << endl; #endif /* ACE_HAS_WINCE */ } ACE_OS::socket_initialized_ = 0; } #endif /* ACE_WIN32 */ return 0; } #if defined (ACE_LACKS_SYS_NERR) int sys_nerr = ERRMAX + 1; #endif /* ACE_LACKS_SYS_NERR */ #if defined (VXWORKS) #include /**/ /* for ::sp() */ // This global function can be used from the VxWorks shell to pass // arguments to a C main () function. // // usage: -> spa main, "arg1", "arg2" // // All arguments must be quoted, even numbers. int spa (FUNCPTR entry, ...) { static const unsigned int MAX_ARGS = 10; static char *argv[MAX_ARGS]; va_list pvar; unsigned int argc; // Hardcode a program name because the real one isn't available // through the VxWorks shell. argv[0] = "ace_main"; // Peel off arguments to spa () and put into argv. va_arg () isn't // necessarily supposed to return 0 when done, though since the // VxWorks shell uses a fixed number (10) of arguments, it might 0 // the unused ones. This function could be used to increase that // limit, but then it couldn't depend on the trailing 0. So, the // number of arguments would have to be passed. va_start (pvar, entry); for (argc = 1; argc <= MAX_ARGS; ++argc) { argv[argc] = va_arg (pvar, char *); if (argv[argc] == 0) break; } if (argc > MAX_ARGS && argv[argc-1] != 0) { // try to read another arg, and warn user if the limit was exceeded if (va_arg (pvar, char *) != 0) ACE_OS::fprintf (stderr, "spa(): number of arguments limited to %d\n", MAX_ARGS); } else { // fill unused argv slots with 0 to get rid of leftovers // from previous invocations for (unsigned int i = argc; i <= MAX_ARGS; ++i) argv[i] = 0; } // The hard-coded options are what ::sp () uses. const int ret = ::taskSpawn (argv[0], 100, VX_FP_TASK, 20000, entry, argc, (int) argv, 0, 0, 0, 0, 0, 0, 0, 0); va_end (pvar); // ::taskSpawn () returns the taskID on success: return 0 instead if // successful return ret > 0 ? 0 : ret; } #endif /* VXWORKS */ #if !defined (ACE_HAS_SIGINFO_T) siginfo_t::siginfo_t (ACE_HANDLE handle) : si_handle_ (handle), si_handles_ (&handle) { } siginfo_t::siginfo_t (ACE_HANDLE *handles) : si_handle_ (handles[0]), si_handles_ (handles) { } #endif /* ACE_HAS_SIGINFO_T */ pid_t ACE_OS::fork (const char *program_name) { // ACE_TRACE ("ACE_OS::fork"); #if defined (ACE_LACKS_FORK) ACE_UNUSED_ARG (program_name); ACE_NOTSUP_RETURN (pid_t (-1)); #else pid_t pid = ::fork (); if (pid == 0) ACE_LOG_MSG->sync (program_name); return pid; #endif /* ACE_WIN32 */ } // This is necessary to work around nasty problems with MVS C++. extern "C" void ace_mutex_lock_cleanup_adapter (void *args) { ACE_OS::mutex_lock_cleanup (args); } ACE_Thread_ID::ACE_Thread_ID (ACE_thread_t thread_id, ACE_hthread_t thread_handle) : thread_id_ (thread_id), thread_handle_ (thread_handle) { } ACE_thread_t ACE_Thread_ID::id (void) { return this->thread_id_; } void ACE_Thread_ID::id (ACE_thread_t thread_id) { this->thread_id_ = thread_id; } ACE_hthread_t ACE_Thread_ID::handle (void) { return this->thread_handle_; } void ACE_Thread_ID::handle (ACE_hthread_t thread_handle) { this->thread_handle_ = thread_handle; } int ACE_Thread_ID::operator== (const ACE_Thread_ID &rhs) { return ACE_OS::thr_cmp (this->thread_handle_, rhs.thread_handle_) == 0 && ACE_OS::thr_equal (this->thread_id_, rhs.thread_id_) == 0; } int ACE_Thread_ID::operator!= (const ACE_Thread_ID &rhs) { return !(*this == rhs); } int ACE_OS::inet_aton (const char *host_name, struct in_addr *addr) { ACE_UINT32 ip_addr = ACE_OS::inet_addr (host_name); if (ip_addr == (ACE_UINT32) htonl ((ACE_UINT32) ~0) // Broadcast addresses are weird... && ACE_OS::strcmp (host_name, "255.255.255.255") != 0) return 0; else if (addr == 0) return 0; else { ACE_OS::memcpy ((void *) addr, (void *) &ip_addr, sizeof ip_addr); return 1; } } ssize_t ACE_OS::pread (ACE_HANDLE handle, void *buf, size_t nbytes, off_t offset) { #if defined (ACE_HAS_P_READ_WRITE) #if defined (ACE_WIN32) // This will work irrespective of whether the is in // OVERLAPPED mode or not. OVERLAPPED overlapped; overlapped.Internal = 0; overlapped.InternalHigh = 0; overlapped.Offset = offset; overlapped.OffsetHigh = 0; overlapped.hEvent = 0; DWORD bytes_written; // This is set to 0 byte WriteFile. if (::ReadFile (handle, buf, nbytes, &bytes_written, &overlapped)) return (ssize_t) bytes_written; else if (::GetLastError () == ERROR_IO_PENDING) if (::GetOverlappedResult (handle, &overlapped, &bytes_written, TRUE) == TRUE) return (ssize_t) bytes_written; return -1; #else return ::pread (handle, buf, nbytes, offset); #endif /* ACE_WIN32 */ #else ACE_MT (ACE_Thread_Mutex *ace_os_monitor_lock = ACE_Managed_Object::get_preallocated_object (ACE_Object_Manager::ACE_OS_MONITOR_LOCK); ACE_GUARD_RETURN (ACE_Thread_Mutex, ace_mon, *ace_os_monitor_lock, -1)); if (ACE_OS::lseek (handle, offset, SEEK_SET) == -1) return -1; else return ACE_OS::read (handle, buf, nbytes); #endif /* ACE_HAD_P_READ_WRITE */ } ssize_t ACE_OS::pwrite (ACE_HANDLE handle, const void *buf, size_t nbytes, off_t offset) { #if defined (ACE_HAS_P_READ_WRITE) #if defined (ACE_WIN32) // This will work irrespective of whether the is in // OVERLAPPED mode or not. OVERLAPPED overlapped; overlapped.Internal = 0; overlapped.InternalHigh = 0; overlapped.Offset = offset; overlapped.OffsetHigh = 0; overlapped.hEvent = 0; DWORD bytes_written; // This is set to 0 byte WriteFile. if (::WriteFile (handle, buf, nbytes, &bytes_written, &overlapped)) return (ssize_t) bytes_written; else if (::GetLastError () == ERROR_IO_PENDING) if (::GetOverlappedResult (handle, &overlapped, &bytes_written, TRUE) == TRUE) return (ssize_t) bytes_written; return -1; #else return ::pwrite (handle, buf, nbytes, offset); #endif /* ACE_WIN32 */ #else ACE_MT (ACE_Thread_Mutex *ace_os_monitor_lock = ACE_Managed_Object::get_preallocated_object (ACE_Object_Manager::ACE_OS_MONITOR_LOCK); ACE_GUARD_RETURN (ACE_Thread_Mutex, ace_mon, *ace_os_monitor_lock, -1)); if (ACE_OS::lseek (handle, offset, SEEK_SET) == -1) return -1; else return ACE_OS::write (handle, buf, nbytes); #endif /* ACE_HAD_P_READ_WRITE */ } #if defined (ACE_HAS_WINCE) wchar_t * ACE_OS::ctime (const time_t *t) { wchar_t buf[26]; // 26 is a "magic number" ;) return ACE_OS::ctime_r (t, buf, 26); } wchar_t * ACE_OS::ctime_r (const time_t *clock, wchar_t *buf, int buflen) { // buflen must be at least 26 wchar_t long. if (buflen < 26) // Again, 26 is a magic number. return 0; CTime frz (*clock); ACE_OS::sprintf (buf, L"%3s %3s %02d %02d:%02d:%02d %04d\n", ACE_OS::day_of_week_name[frz.GetDayOfWeek ()], ACE_OS::month_name[frz.GetMonth ()], frz.GetDay (), frz.GetHour (), frz.GetMinute (), frz.GetSecond (), frz.GetYear ()); return buf; } #endif /* ACE_HAS_WINCE */ #if !defined (ACE_HAS_WINCE) time_t ACE_OS::mktime (struct tm *t) { // ACE_TRACE ("ACE_OS::asctime"); #if defined (ACE_HAS_MT_SAFE_MKTIME) || !defined (ACE_HAS_THREADS) ACE_OSCALL_RETURN (::mktime (t), time_t, (time_t) -1); #else ACE_MT (ACE_Thread_Mutex *ace_os_monitor_lock = ACE_Managed_Object::get_preallocated_object (ACE_Object_Manager::ACE_OS_MONITOR_LOCK); ACE_GUARD_RETURN (ACE_Thread_Mutex, ace_mon, *ace_os_monitor_lock, (time_t) -1)); ACE_OSCALL_RETURN (::mktime (t), time_t, (time_t) -1); #endif /* ACE_HAS_MT_SAFE_MKTIME */ } #endif /* !ACE_HAS_WINCE */ #if !defined (ACE_HAS_THREADS) || !defined (ACE_HAS_STHREADS) || defined (ACE_LACKS_RWLOCK_T) // The ACE_HAS_THREADS and ACE_HAS_STHREADS case is in OS.i int ACE_OS::rwlock_init (ACE_rwlock_t *rw, int type, LPCTSTR name, void *arg) { // ACE_TRACE ("ACE_OS::rwlock_init"); type = type; name = name; #if defined (ACE_HAS_THREADS) #if !defined (ACE_HAS_STHREADS) || defined (ACE_LACKS_RWLOCK_T) /* NT, POSIX, and VxWorks don't support this natively. */ ACE_UNUSED_ARG (name); int result = -1; // Since we cannot use the user specified name for all three // objects, we will create three complete new names TCHAR name1[ACE_UNIQUE_NAME_LEN]; TCHAR name2[ACE_UNIQUE_NAME_LEN]; TCHAR name3[ACE_UNIQUE_NAME_LEN]; ACE::unique_name ((const void *) &rw->lock_, name1, ACE_UNIQUE_NAME_LEN); ACE::unique_name ((const void *) &rw->waiting_readers_, name2, ACE_UNIQUE_NAME_LEN); ACE::unique_name ((const void *) &rw->waiting_writers_, name3, ACE_UNIQUE_NAME_LEN); if (ACE_OS::mutex_init (&rw->lock_, type, name1, arg) == 0 && ACE_OS::cond_init (&rw->waiting_readers_, type, name2, arg) == 0 && ACE_OS::cond_init (&rw->waiting_writers_, type, name3, arg) == 0) { // Success! rw->ref_count_ = 0; rw->num_waiting_writers_ = 0; rw->num_waiting_readers_ = 0; result = 0; } if (result == -1) { int error = errno; ACE_OS::mutex_destroy (&rw->lock_); ACE_OS::cond_destroy (&rw->waiting_readers_); ACE_OS::cond_destroy (&rw->waiting_writers_); errno = error; } return result; #endif /* ! ACE_HAS_STHREADS */ #else ACE_UNUSED_ARG (rw); ACE_UNUSED_ARG (type); ACE_UNUSED_ARG (name); ACE_UNUSED_ARG (arg); ACE_NOTSUP_RETURN (-1); #endif /* ACE_HAS_THREADS */ } #endif /* ! ACE_HAS_THREADS || ! ACE_HAS_STHREADS || defined (ACE_LACKS_RWLOCK_T) */ #if defined (ACE_PSOS) // bit masks and shifts for prying info out of the pSOS time encoding const u_long ACE_PSOS_Time_t::year_mask = 0x0000FFFFul; const u_long ACE_PSOS_Time_t::month_mask = 0x000000FFul; const u_long ACE_PSOS_Time_t::day_mask = 0x000000FFul; const u_long ACE_PSOS_Time_t::hour_mask = 0x0000FFFFul; const u_long ACE_PSOS_Time_t::minute_mask = 0x000000FFul; const u_long ACE_PSOS_Time_t::second_mask = 0x000000FFul; const int ACE_PSOS_Time_t::year_shift = 16; const int ACE_PSOS_Time_t::month_shift = 8; const int ACE_PSOS_Time_t::hour_shift = 16; const int ACE_PSOS_Time_t::minute_shift = 8; const int ACE_PSOS_Time_t::year_origin = 1900; const int ACE_PSOS_Time_t::month_origin = 1; // maximum number of clock ticks supported const u_long ACE_PSOS_Time_t::max_ticks = ~0UL; ACE_PSOS_Time_t::ACE_PSOS_Time_t () : date_ (0), time_ (0), ticks_ (0) { } // default ctor: date, time, and ticks all zeroed ACE_PSOS_Time_t::ACE_PSOS_Time_t (const timespec_t& t) { struct tm* tm_struct = ACE_OS::gmtime (&(t.tv_sec)); // encode date values from tm struct into pSOS date bit array date_ = (ACE_PSOS_Time_t::year_mask & ACE_static_cast (u_long, tm_struct->tm_year + ACE_PSOS_Time_t::year_origin)) << ACE_PSOS_Time_t::year_shift; date_ |= (ACE_PSOS_Time_t::month_mask & ACE_static_cast (u_long, tm_struct->tm_mon + ACE_PSOS_Time_t::month_origin)) << ACE_PSOS_Time_t::month_shift; date_ |= ACE_PSOS_Time_t::day_mask & ACE_static_cast (u_long, tm_struct->tm_mday); // encode time values from tm struct into pSOS time bit array time_ = (ACE_PSOS_Time_t::hour_mask & ACE_static_cast (u_long, tm_struct->tm_hour)) << ACE_PSOS_Time_t::hour_shift; time_ |= (ACE_PSOS_Time_t::minute_mask & ACE_static_cast (u_long, tm_struct->tm_min)) << ACE_PSOS_Time_t::minute_shift; time_ |= ACE_PSOS_Time_t::second_mask & ACE_static_cast (u_int, tm_struct->tm_sec); // encode nanoseconds as system clock ticks ticks_ = ACE_static_cast (u_long, ((ACE_static_cast (double, t.tv_nsec) * ACE_static_cast (double, KC_TICKS2SEC)) / ACE_static_cast (double, 1000000000))); } // ctor from a timespec_t ACE_PSOS_Time_t::operator timespec_t () { struct tm tm_struct; // decode date and time bit arrays and fill in fields of tm_struct tm_struct.tm_year = ACE_static_cast (int, (ACE_PSOS_Time_t::year_mask & (date_ >> ACE_PSOS_Time_t::year_shift))) - ACE_PSOS_Time_t::year_origin; tm_struct.tm_mon = ACE_static_cast (int, (ACE_PSOS_Time_t::month_mask & (date_ >> ACE_PSOS_Time_t::month_shift))) - ACE_PSOS_Time_t::month_origin; tm_struct.tm_mday = ACE_static_cast (int, (ACE_PSOS_Time_t::day_mask & date_)); tm_struct.tm_hour = ACE_static_cast (int, (ACE_PSOS_Time_t::hour_mask & (time_ >> ACE_PSOS_Time_t::hour_shift))); tm_struct.tm_min = ACE_static_cast (int, (ACE_PSOS_Time_t::minute_mask & (time_ >> ACE_PSOS_Time_t::minute_shift))); tm_struct.tm_sec = ACE_static_cast (int, (ACE_PSOS_Time_t::second_mask & time_)); // indicate values we don't know as negative numbers tm_struct.tm_wday = -1; tm_struct.tm_yday = -1; tm_struct.tm_isdst = -1; timespec_t t; // convert calendar time to time struct t.tv_sec = ACE_OS::mktime (&tm_struct); // encode nanoseconds as system clock ticks t.tv_nsec = ACE_static_cast (long, ((ACE_static_cast (double, ticks_) * ACE_static_cast (double, 1000000000)) / ACE_static_cast (double, KC_TICKS2SEC))); return t; } // type cast operator (to a timespec_t) ACE_INLINE u_long ACE_PSOS_Time_t::get_system_time (ACE_PSOS_Time_t& t) { u_long ret_val = 0; #if defined (ACE_PSOSIM) /* system time is broken in simulator */ timeval tv; int result = 0; ACE_OSCALL (::gettimeofday (&tv, 0), int, -1, result); if (result == -1) { return 1; } ACE_Time_Value atv (tv); timespec ts = atv; ACE_PSOS_Time_t pt (ts); t.date_ = pt.date_; t.time_ = pt.time_; t.ticks_ = pt.ticks_; #else ret_val = tm_get (&(t.date_), &(t.time_), &(t.ticks_)); #endif /* ACE_PSOSIM */ return ret_val; } // static member function to get current system time ACE_INLINE u_long ACE_PSOS_Time_t::set_system_time (const ACE_PSOS_Time_t& t) { u_long ret_val = tm_set (t.date_, t.time_, t.ticks_); return ret_val; } // static member function to set current system time #if defined (ACE_PSOSIM) ACE_INLINE u_long ACE_PSOS_Time_t::init_simulator_time () { // This is a hack using a direct UNIX system call, because the appropriate // ACE_OS method ultimately uses the pSOS tm_get function, which would fail // because the simulator's system time is uninitialized (chicken and egg). timeval t; int result = 0; ACE_OSCALL (::gettimeofday (&t, 0), int, -1, result); if (result == -1) { return 1; } else { ACE_Time_Value tv (t); timespec ts = tv; ACE_PSOS_Time_t pt (ts); u_long ret_val = ACE_PSOS_Time_t::set_system_time (pt); return ret_val; } } // static member function to initialize system time, using UNIX calls #endif /* ACE_PSOSIM */ #endif /* ACE_PSOS */ #if defined (__DGUX) && defined (ACE_HAS_THREADS) && defined (_POSIX4A_DRAFT10_SOURCE) extern "C" int __d6_sigwait (sigset_t *set); extern "C" int __d10_sigwait( const sigset_t *set, int *sig ) { sigset_t unconst_set = *set; int caught_sig; if ((caught_sig = __d6_sigwait(&unconst_set)) == -1) return -1; *sig = caught_sig; return 0; } #endif /* __DGUX && PTHREADS && _POSIX4A_DRAFT10_SOURCE */ #if defined (CHORUS) extern "C" void ace_sysconf_dump (void) { ACE_Time_Value time = ACE_OS::gettimeofday (); if (time == -1) ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("Cannot get time\n"))); else time.dump (); ACE_DEBUG ((LM_DEBUG, "ARG_MAX \t= \t%d\t" "DELAYTIMER_MAX \t= \t%d\n" "_MQ_OPEN_MAX \t= \t%d\t" "_MQ_PRIO_MAX \t= \t%d\n" "_MQ_DFL_MSGSIZE\t= \t%d\t" "_MQ_DFL_MAXMSGNB\t= \t%d\n" "_MQ_PATHMAX \t= \t%d\n" "NGROUPS_MAX \t= \t%d\t" "OPEN_MAX \t= \t%d\n" "PAGESIZE \t= \t%d\n" "PTHREAD_DESTRUCTOR_ITERATIONS \t= \t%d\n" "PTHREAD_KEYS_MAX \t= \t%d\n" "PTHREAD_STACK_MIN \t= \t%d\n" "PTHREAD_THREADS_MAX \t= \t%d\n" "SEM_VALUE_MAX \t= \t%d\n" "SEM_PATHMAX \t= \t%d\n" "TIMER_MAX \t= \t%d\n" "TZNAME_MAX \t= \t%d\n" "_POSIX_MESSAGE_PASSING \t= \t%d\n" "_POSIX_SEMAPHORES \t= \t%d\n" "_POSIX_SHARED_MEMORY_OBJECTS \t= \t%d\n" "_POSIX_THREADS \t= \t%d\n" "_POSIX_THREAD_ATTR_STACKADDR \t= \t%d\n" "_POSIX_THREAD_ATTR_STACKSIZE \t= \t%d\n" "_POSIX_THREAD_PRIORITY_SCHEDULING= \t%d\n" "_POSIX_THREAD_PRIO_INHERIT \t= \t%d\n" "_POSIX_THREAD_PRIO_PROTECT \t= \t%d\n" "_POSIX_THREAD_PROCESS_SHARED \t= \t%d\n" "_POSIX_THREAD_SAFE_FUNCTIONS \t= \t%d\n" "_POSIX_TIMERS \t= \t%d\n" "_POSIX_VERSION \t= \t%d\n", ACE_OS::sysconf (_SC_ARG_MAX), ACE_OS::sysconf (_SC_DELAYTIMER_MAX), ACE_OS::sysconf (_SC_MQ_OPEN_MAX), ACE_OS::sysconf (_SC_MQ_PRIO_MAX), ACE_OS::sysconf (_SC_MQ_DFL_MSGSIZE), ACE_OS::sysconf (_SC_MQ_DFL_MAXMSGNB), ACE_OS::sysconf (_SC_MQ_PATHMAX), ACE_OS::sysconf (_SC_NGROUPS_MAX), ACE_OS::sysconf (_SC_OPEN_MAX), ACE_OS::sysconf (_SC_PAGESIZE), ACE_OS::sysconf (_SC_PTHREAD_DESTRUCTOR_ITERATIONS), ACE_OS::sysconf (_SC_PTHREAD_KEYS_MAX), ACE_OS::sysconf (_SC_PTHREAD_STACK_MIN), ACE_OS::sysconf (_SC_PTHREAD_THREADS_MAX), ACE_OS::sysconf (_SC_SEM_VALUE_MAX), ACE_OS::sysconf (_SC_SHM_PATHMAX), ACE_OS::sysconf (_SC_TIMER_MAX), ACE_OS::sysconf (_SC_TZNAME_MAX), ACE_OS::sysconf (_SC_MESSAGE_PASSING), ACE_OS::sysconf (_SC_SEMAPHORES), ACE_OS::sysconf (_SC_SHARED_MEMORY_OBJECTS), ACE_OS::sysconf (_SC_THREADS), ACE_OS::sysconf (_SC_THREAD_ATTR_STACKADDR), ACE_OS::sysconf (_SC_THREAD_ATTR_STACKSIZE), ACE_OS::sysconf (_SC_THREAD_PRIORITY_SCHEDULING), ACE_OS::sysconf (_SC_THREAD_PRIO_INHERIT), ACE_OS::sysconf (_SC_THREAD_PRIO_PROTECT), ACE_OS::sysconf (_SC_THREAD_PROCESS_SHARED), ACE_OS::sysconf (_SC_THREAD_SAFE_FUNCTIONS), ACE_OS::sysconf (_SC_TIMERS), ACE_OS::sysconf (_SC_VERSION))); } #endif