// $Id$ #ifndef ACE_SYNCH_C #define ACE_SYNCH_C #define ACE_BUILD_DLL #include "ace/Thread.h" #if !defined (ACE_LACKS_PRAGMA_ONCE) # pragma once #endif /* ACE_LACKS_PRAGMA_ONCE */ #include "ace/Synch_T.h" #include "ace/Synch.h" ACE_RCSID(ace, Synch, "$Id$") #if !defined (__ACE_INLINE__) #include "ace/Synch.i" #endif /* __ACE_INLINE__ */ ACE_ALLOC_HOOK_DEFINE(ACE_Null_Mutex) ACE_ALLOC_HOOK_DEFINE(ACE_File_Lock) ACE_ALLOC_HOOK_DEFINE(ACE_RW_Process_Mutex) ACE_ALLOC_HOOK_DEFINE(ACE_Process_Mutex) ACE_Lock::~ACE_Lock (void) { } ACE_Adaptive_Lock::ACE_Adaptive_Lock (void) : lock_ (0) { } ACE_Adaptive_Lock::~ACE_Adaptive_Lock (void) { } int ACE_Adaptive_Lock::remove (void) { return this->lock_->remove (); } int ACE_Adaptive_Lock::acquire (void) { return this->lock_->acquire (); } int ACE_Adaptive_Lock::tryacquire (void) { return this->lock_->tryacquire (); } int ACE_Adaptive_Lock::release (void) { return this->lock_->release (); } int ACE_Adaptive_Lock::acquire_read (void) { return this->lock_->acquire_read (); } int ACE_Adaptive_Lock::acquire_write (void) { return this->lock_->acquire_write (); } int ACE_Adaptive_Lock::tryacquire_read (void) { return this->lock_->tryacquire_read (); } int ACE_Adaptive_Lock::tryacquire_write (void) { return this->lock_->tryacquire_write (); } void ACE_Adaptive_Lock::dump (void) const { // return this->lock_->dump (); } ACE_TSS_Adapter::ACE_TSS_Adapter (void *object, ACE_THR_DEST f) : ts_obj_ (object), func_ (f) { // ACE_TRACE ("ACE_TSS_Adapter::ACE_TSS_Adapter"); } void ACE_TSS_Adapter::cleanup (void) { // ACE_TRACE ("ACE_TSS_Adapter::cleanup"); (*this->func_)(this->ts_obj_); // call cleanup routine for ts_obj_ } extern "C" void ACE_TSS_C_cleanup (void *object) { // ACE_TRACE ("ACE_TSS_C_cleanup"); if (object != 0) { ACE_TSS_Adapter *tss_adapter = (ACE_TSS_Adapter *) object; // Perform cleanup on the real TS object. tss_adapter->cleanup (); // Delete the adapter object. delete tss_adapter; } } void ACE_Process_Mutex::dump (void) const { // ACE_TRACE ("ACE_Process_Mutex::dump"); ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this)); this->lock_.dump (); ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP)); } #if !defined (ACE_WIN32) && !defined (ACE_HAS_POSIX_SEM) LPCTSTR ACE_Process_Mutex::unique_name (void) { // For all platforms other than Win32, we are going to create a // machine wide unquie name if one is not provided by the user. On // Win32, unnamed synchronization objects are acceptable. ACE::unique_name (this, this->name_, ACE_UNIQUE_NAME_LEN); return this->name_; } #endif /* !ACE_WIN32 && !ACE_HAS_POSIX_SEM */ ACE_Process_Mutex::ACE_Process_Mutex (LPCTSTR name, void *arg) #if defined (ACE_WIN32) || defined (ACE_HAS_POSIX_SEM) : lock_ (USYNC_PROCESS, name, arg) #else : lock_ (name?name:ACE_Process_Mutex::unique_name ()) #endif /* ACE_WIN32 || ACE_HAS_POSIX_SEM */ { #if !defined (ACE_WIN32) && !defined (ACE_HAS_POSIX_SEM) ACE_UNUSED_ARG (arg); #endif /* !ACE_WIN32 && !ACE_HAS_POSIX_SEM */ } ACE_Process_Mutex::~ACE_Process_Mutex (void) { } ACE_RW_Process_Mutex::ACE_RW_Process_Mutex (LPCTSTR name, int flags) : lock_ (name, flags #if defined (ACE_WIN32) ) #else , S_IRUSR | S_IWUSR) #endif /* ACE_WIN32 */ { // ACE_TRACE ("ACE_RW_Process_Mutex::ACE_RW_Process_Mutex"); } ACE_RW_Process_Mutex::~ACE_RW_Process_Mutex (void) { // ACE_TRACE ("ACE_RW_Process_Mutex::ACE_RW_Process_Mutex"); } void ACE_RW_Process_Mutex::dump (void) const { // ACE_TRACE ("ACE_RW_Process_Mutex::dump"); ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this)); this->lock_.dump (); ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP)); } void ACE_RW_Mutex::dump (void) const { // ACE_TRACE ("ACE_RW_Mutex::dump"); ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this)); ACE_DEBUG ((LM_DEBUG, ASYS_TEXT("\n"))); ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP)); } ACE_RW_Mutex::ACE_RW_Mutex (int type, LPCTSTR name, void *arg) : removed_ (0) { // ACE_TRACE ("ACE_RW_Mutex::ACE_RW_Mutex"); if (ACE_OS::rwlock_init (&this->lock_, type, name, arg) != 0) ACE_ERROR ((LM_ERROR, ASYS_TEXT("%p\n"), ASYS_TEXT("ACE_RW_Mutex::ACE_RW_Mutex"))); } ACE_RW_Mutex::~ACE_RW_Mutex (void) { // ACE_TRACE ("ACE_RW_Mutex::~ACE_RW_Mutex"); this->remove (); } ACE_ALLOC_HOOK_DEFINE(ACE_Semaphore) void ACE_Semaphore::dump (void) const { // ACE_TRACE ("ACE_Semaphore::dump"); ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this)); ACE_DEBUG ((LM_DEBUG, ASYS_TEXT("\n"))); ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP)); } ACE_Semaphore::ACE_Semaphore (u_int count, int type, LPCTSTR name, void *arg, int max) : removed_ (0) { // ACE_TRACE ("ACE_Semaphore::ACE_Semaphore"); if (ACE_OS::sema_init (&this->semaphore_, count, type, name, arg, max) != 0) ACE_ERROR ((LM_ERROR, ASYS_TEXT("%p\n"), ASYS_TEXT("ACE_Semaphore::ACE_Semaphore"))); } ACE_Semaphore::~ACE_Semaphore (void) { // ACE_TRACE ("ACE_Semaphore::~ACE_Semaphore"); this->remove (); } void ACE_File_Lock::dump (void) const { // ACE_TRACE ("ACE_File_Lock::dump"); ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this)); this->lock_.dump (); ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP)); } ACE_File_Lock::ACE_File_Lock (ACE_HANDLE h) : removed_ (0) { // ACE_TRACE ("ACE_File_Lock::ACE_File_Lock"); if (ACE_OS::flock_init (&this->lock_) == -1) ACE_ERROR ((LM_ERROR, ASYS_TEXT ("%p\n"), ASYS_TEXT ("ACE_File_Lock::ACE_File_Lock"))); this->set_handle (h); } ACE_File_Lock::ACE_File_Lock (LPCTSTR name, int flags, mode_t perms) : removed_ (0) { // ACE_TRACE ("ACE_File_Lock::ACE_File_Lock"); if (this->open (name, flags, perms) == -1) ACE_ERROR ((LM_ERROR, ASYS_TEXT ("%p %s\n"), ASYS_TEXT ("ACE_File_Lock::ACE_File_Lock"), name)); } int ACE_File_Lock::open (LPCTSTR name, int flags, mode_t perms) { // ACE_TRACE ("ACE_File_Lock::open"); return ACE_OS::flock_init (&this->lock_, flags, name, perms); } ACE_File_Lock::~ACE_File_Lock (void) { // ACE_TRACE ("ACE_File_Lock::~ACE_File_Lock"); this->remove (); } void ACE_Process_Semaphore::dump (void) const { // ACE_TRACE ("ACE_Process_Semaphore::dump"); ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this)); this->lock_.dump (); ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP)); } ACE_Process_Semaphore::ACE_Process_Semaphore (u_int count, LPCTSTR name, void *arg, int max) #if defined (ACE_WIN32) || defined (ACE_HAS_POSIX_SEM) : lock_ (count, USYNC_PROCESS, name, arg, max) #else : lock_ (name, ACE_SV_Semaphore_Complex::ACE_CREATE, count) #endif /* ACE_WIN32 || ACE_HAS_POSIX_SEM */ { arg = arg; max = max; // ACE_TRACE ("ACE_Process_Semaphore::ACE_Process_Semaphore"); } ACE_Process_Semaphore::~ACE_Process_Semaphore (void) { // ACE_TRACE ("ACE_Process_Semaphore::~ACE_Process_Semaphore"); } // Explicitly destroy the semaphore. int ACE_Process_Semaphore::remove (void) { // ACE_TRACE ("ACE_Process_Semaphore::remove"); return this->lock_.remove (); } // Block the thread until the semaphore count becomes // greater than 0, then decrement it. int ACE_Process_Semaphore::acquire (void) { // ACE_TRACE ("ACE_Process_Semaphore::acquire"); return this->lock_.acquire (); } // Conditionally decrement the semaphore if count is greater // than 0 (i.e., won't block). int ACE_Process_Semaphore::tryacquire (void) { // ACE_TRACE ("ACE_Process_Semaphore::tryacquire"); return this->lock_.tryacquire (); } // Increment the semaphore, potentially unblocking // a waiting thread. int ACE_Process_Semaphore::release (void) { // ACE_TRACE ("ACE_Process_Semaphore::release"); return this->lock_.release (); } ACE_ALLOC_HOOK_DEFINE(ACE_Mutex) void ACE_Mutex::dump (void) const { // ACE_TRACE ("ACE_Mutex::dump"); ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this)); #if defined (CHORUS) ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("lockname_ = %s\n"), this->lockname_)); ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("process_lock_ = %x\n"), this->process_lock_)); #endif /* CHORUS */ ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("\n"))); ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP)); } ACE_Mutex::ACE_Mutex (int type, LPCTSTR name, void *arg) : #if defined (CHORUS) process_lock_ (0), lockname_ (0), #endif /* CHORUS */ removed_ (0) { // ACE_TRACE ("ACE_Mutex::ACE_Mutex"); #if defined(CHORUS) if (type == USYNC_PROCESS) { // Let's see if the shared memory entity already exists. ACE_HANDLE fd = ACE_OS::shm_open (name, O_RDWR | O_CREAT | O_EXCL, ACE_DEFAULT_FILE_PERMS); if (fd == ACE_INVALID_HANDLE) { if (errno == EEXIST) fd = ACE_OS::shm_open (name, O_RDWR | O_CREAT, ACE_DEFAULT_FILE_PERMS); else return; } else { // We own this shared memory object! Let's set its size. if (ACE_OS::ftruncate (fd, sizeof (ACE_mutex_t)) == -1) { ACE_OS::close (fd); return; } this->lockname_ = ACE_OS::strdup (name); if (this->lockname_ == 0) { ACE_OS::close (fd); return; } } this->process_lock_ = (ACE_mutex_t *) ACE_OS::mmap (0, sizeof (ACE_mutex_t), PROT_RDWR, MAP_SHARED, fd, 0); ACE_OS::close (fd); if (this->process_lock_ == MAP_FAILED) return; if (this->lockname_ && ACE_OS::mutex_init (this->process_lock_, type, name, arg) != 0) return; } // It is ok to fall through into the below if the // USYNC_PROCESS flag is not enabled. #endif /* CHORUS */ if (ACE_OS::mutex_init (&this->lock_, type, name, arg) != 0) ACE_ERROR ((LM_ERROR, ASYS_TEXT ("%p\n"), ASYS_TEXT ("ACE_Mutex::ACE_Mutex"))); } ACE_Mutex::~ACE_Mutex (void) { // ACE_TRACE ("ACE_Mutex::~ACE_Mutex"); this->remove (); } ACE_Event::ACE_Event (int manual_reset, int initial_state, int type, LPCTSTR name, void *arg) : removed_ (0) { if (ACE_OS::event_init (&this->handle_, manual_reset, initial_state, type, name, arg) != 0) ACE_ERROR ((LM_ERROR, ASYS_TEXT("%p\n"), ASYS_TEXT("ACE_Event::ACE_Event"))); } ACE_Event::~ACE_Event (void) { this->remove (); } int ACE_Event::remove (void) { int result = 0; if (this->removed_ == 0) { this->removed_ = 1; result = ACE_OS::event_destroy (&this->handle_); } return result; } ACE_event_t ACE_Event::handle (void) const { return this->handle_; } void ACE_Event::handle (ACE_event_t new_handle) { this->handle_ = new_handle; } int ACE_Event::wait (void) { return ACE_OS::event_wait (&this->handle_); } int ACE_Event::wait (const ACE_Time_Value *abstime) { return ACE_OS::event_timedwait (&this->handle_, (ACE_Time_Value *) abstime); } int ACE_Event::signal (void) { return ACE_OS::event_signal (&this->handle_); } int ACE_Event::pulse (void) { return ACE_OS::event_pulse (&this->handle_); } int ACE_Event::reset (void) { return ACE_OS::event_reset (&this->handle_); } void ACE_Event::dump (void) const { ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this)); ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP)); } ACE_Manual_Event::ACE_Manual_Event (int initial_state, int type, LPCTSTR name, void *arg) : ACE_Event (1, initial_state, type, name, arg) { } void ACE_Manual_Event::dump (void) const { ACE_Event::dump (); } ACE_Auto_Event::ACE_Auto_Event (int initial_state, int type, LPCTSTR name, void *arg) : ACE_Event (0, initial_state, type, name, arg) { } void ACE_Auto_Event::dump (void) const { ACE_Event::dump (); } #if defined (ACE_HAS_THREADS) ACE_ALLOC_HOOK_DEFINE(ACE_Thread_Mutex_Guard) void ACE_Thread_Semaphore::dump (void) const { // ACE_TRACE ("ACE_Thread_Semaphore::dump"); ACE_Semaphore::dump (); } ACE_Thread_Semaphore::ACE_Thread_Semaphore (u_int count, LPCTSTR name, void *arg, int max) : ACE_Semaphore (count, USYNC_THREAD, name, arg, max) { // ACE_TRACE ("ACE_Thread_Semaphore::ACE_Thread_Semaphore"); } #if defined (ACE_USES_OBSOLETE_GUARD_CLASSES) void ACE_Thread_Mutex_Guard::dump (void) const { // ACE_TRACE ("ACE_Thread_Mutex_Guard::dump"); ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this)); ACE_DEBUG ((LM_DEBUG, ASYS_TEXT("\n"))); ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP)); } #endif /* ACE_USES_OBSOLETE_GUARD_CLASSES */ ACE_Recursive_Thread_Mutex::ACE_Recursive_Thread_Mutex (LPCTSTR name, void *arg) : removed_ (0) { // ACE_TRACE ("ACE_Recursive_Thread_Mutex::ACE_Recursive_Thread_Mutex"); #if defined (ACE_HAS_FSU_PTHREADS) && ! defined (ACE_WIN32) // Initialize FSU pthreads package. If called more than once, // pthread_init does nothing and so does no harm. pthread_init (); #endif /* ACE_HAS_FSU_PTHREADS && ! ACE_WIN32 */ if (ACE_OS::recursive_mutex_init (&this->recursive_mutex_, name, arg) == -1) ACE_ERROR ((LM_ERROR, ASYS_TEXT ("%p\n"), ASYS_TEXT ("recursive_mutex_init"))); } ACE_ALLOC_HOOK_DEFINE(ACE_Recursive_Thread_Mutex) ACE_Recursive_Thread_Mutex::~ACE_Recursive_Thread_Mutex (void) { // ACE_TRACE ("ACE_Recursive_Thread_Mutex::~ACE_Recursive_Thread_Mutex"); this->remove (); } int ACE_Recursive_Thread_Mutex::remove (void) { // ACE_TRACE ("ACE_Recursive_Thread_Mutex::remove"); int result = 0; if (this->removed_ == 0) { this->removed_ = 1; result = ACE_OS::recursive_mutex_destroy (&this->recursive_mutex_); } return result; } // The counter part of the following two functions for Win32 are // located in file Synch.i ACE_thread_t ACE_Recursive_Thread_Mutex::get_thread_id (void) { // ACE_TRACE ("ACE_Recursive_Thread_Mutex::get_thread_id"); #if defined (ACE_HAS_RECURSIVE_MUTEXES) // @@ The structure CriticalSection in Win32 doesn't hold the thread // handle of the thread that owns the lock. However it is still not // clear at this point how to translate a thread handle to its // corresponding thread id. errno = ENOTSUP; return ACE_OS::NULL_thread; #else ACE_thread_t owner_id; ACE_OS::mutex_lock (&this->recursive_mutex_.nesting_mutex_); owner_id = this->recursive_mutex_.owner_id_; ACE_OS::mutex_unlock (&this->recursive_mutex_.nesting_mutex_); return owner_id; #endif /* ACE_WIN32 */ } int ACE_Recursive_Thread_Mutex::get_nesting_level (void) { // ACE_TRACE ("ACE_Recursive_Thread_Mutex::get_nesting_level"); #if defined (ACE_HAS_WINCE) || defined (VXWORKS) ACE_NOTSUP_RETURN (-1); #elif defined (ACE_HAS_RECURSIVE_MUTEXES) // This is really a Win32-ism... return this->recursive_mutex_.RecursionCount; #else int nesting_level = 0; ACE_OS::mutex_lock (&this->recursive_mutex_.nesting_mutex_); nesting_level = this->recursive_mutex_.nesting_level_; ACE_OS::mutex_unlock (&this->recursive_mutex_.nesting_mutex_); return nesting_level; #endif /* !ACE_HAS_WINCE */ } ACE_Recursive_Thread_Mutex::ACE_Recursive_Thread_Mutex (const ACE_Recursive_Thread_Mutex &) { } int ACE_Recursive_Thread_Mutex::acquire (void) { return ACE_OS::recursive_mutex_lock (&this->recursive_mutex_); } int ACE_Recursive_Thread_Mutex::release (void) { return ACE_OS::recursive_mutex_unlock (&this->recursive_mutex_); } int ACE_Recursive_Thread_Mutex::tryacquire (void) { return ACE_OS::recursive_mutex_trylock (&this->recursive_mutex_); } void ACE_Recursive_Thread_Mutex::dump (void) const { // ACE_TRACE ("ACE_Recursive_Thread_Mutex::dump"); ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this)); ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP)); } ACE_ALLOC_HOOK_DEFINE(ACE_Condition_Thread_Mutex) void ACE_Condition_Thread_Mutex::dump (void) const { // ACE_TRACE ("ACE_Condition_Thread_Mutex::dump"); ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this)); ACE_DEBUG ((LM_DEBUG, ASYS_TEXT("\n"))); #if defined (ACE_WIN32) ACE_DEBUG ((LM_DEBUG, ASYS_TEXT ("waiters = %d\n"), this->cond_.waiters ())); #endif /* ACE_WIN32 */ ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP)); } ACE_Condition_Thread_Mutex::ACE_Condition_Thread_Mutex (const ACE_Thread_Mutex &m, LPCTSTR name, void *arg) : mutex_ ((ACE_Thread_Mutex &) m), removed_ (0) { #if defined (ACE_HAS_FSU_PTHREADS) // Initialize FSU pthreads package. // If called more than once, pthread_init does nothing // and so does no harm. pthread_init (); #endif /* ACE_HAS_FSU_PTHREADS */ // ACE_TRACE ("ACE_Condition_Thread_Mutex::ACE_Condition_Thread_Mutex"); if (ACE_OS::cond_init (&this->cond_, USYNC_THREAD, name, arg) != 0) ACE_ERROR ((LM_ERROR, ASYS_TEXT ("%p\n"), ASYS_TEXT ("ACE_Condition_Thread_Mutex::ACE_Condition_Thread_Mutex"))); } ACE_Condition_Thread_Mutex:: ACE_Condition_Thread_Mutex (const ACE_Thread_Mutex &m, ACE_Condition_Attributes &attributes, LPCTSTR name, void *arg) : mutex_ ((ACE_Thread_Mutex &) m), removed_ (0) { #if defined (ACE_HAS_FSU_PTHREADS) // Initialize FSU pthreads package. // If called more than once, pthread_init does nothing // and so does no harm. pthread_init (); #endif /* ACE_HAS_FSU_PTHREADS */ // ACE_TRACE ("ACE_Condition_Thread_Mutex::ACE_Condition_Thread_Mutex"); if (ACE_OS::cond_init (&this->cond_, attributes.attributes_, name, arg) != 0) ACE_ERROR ((LM_ERROR, ASYS_TEXT ("%p\n"), ASYS_TEXT ("ACE_Condition_Thread_Mutex::ACE_Condition_Thread_Mutex"))); } ACE_Condition_Thread_Mutex::~ACE_Condition_Thread_Mutex (void) { // ACE_TRACE ("ACE_Condition_Thread_Mutex::~ACE_Condition_Thread_Mutex"); this->remove (); } // Peform an "alertable" timed wait. If the argument == 0 // then we do a regular , else we do a timed wait for up to // using the function. int ACE_Condition_Thread_Mutex::wait (void) { // ACE_TRACE ("ACE_Condition_Thread_Mutex::wait"); return ACE_OS::cond_wait (&this->cond_, &this->mutex_.lock_); } int ACE_Condition_Thread_Mutex::wait (ACE_Thread_Mutex &mutex, const ACE_Time_Value *abstime) { // ACE_TRACE ("ACE_Condition::wait"); return ACE_OS::cond_timedwait (&this->cond_, &mutex.lock_, (ACE_Time_Value *) abstime); } int ACE_Condition_Thread_Mutex::wait (const ACE_Time_Value *abstime) { // ACE_TRACE ("ACE_Condition_Thread_Mutex::wait"); return this->wait (this->mutex_, abstime); } int ACE_Condition_Thread_Mutex::signal (void) { // ACE_TRACE ("ACE_Condition_Thread_Mutex::signal"); return ACE_OS::cond_signal (&this->cond_); } int ACE_Condition_Thread_Mutex::broadcast (void) { // ACE_TRACE ("ACE_Condition_Thread_Mutex::broadcast"); return ACE_OS::cond_broadcast (&this->cond_); } ACE_ALLOC_HOOK_DEFINE(ACE_Sub_Barrier) void ACE_Sub_Barrier::dump (void) const { // ACE_TRACE ("ACE_Sub_Barrier::dump"); ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this)); this->barrier_finished_.dump (); ACE_DEBUG ((LM_DEBUG, ASYS_TEXT("running_threads_ = %d"), this->running_threads_)); ACE_DEBUG ((LM_DEBUG, ASYS_TEXT("\n"))); ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP)); } ACE_Sub_Barrier::ACE_Sub_Barrier (u_int count, ACE_Thread_Mutex &lock, LPCTSTR name, void *arg) : barrier_finished_ (lock, name, arg), running_threads_ (count) { // ACE_TRACE ("ACE_Sub_Barrier::ACE_Sub_Barrier"); } ACE_ALLOC_HOOK_DEFINE(ACE_Barrier) ACE_ALLOC_HOOK_DEFINE(ACE_Thread_Barrier) ACE_ALLOC_HOOK_DEFINE(ACE_Process_Barrier) void ACE_Barrier::dump (void) const { // ACE_TRACE ("ACE_Barrier::dump"); ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this)); this->lock_.dump (); ACE_DEBUG ((LM_DEBUG, ASYS_TEXT("current_generation_ = %d"), this->current_generation_)); ACE_DEBUG ((LM_DEBUG, ASYS_TEXT("\ncount_ = %d"), this->count_)); this->sub_barrier_1_.dump (); this->sub_barrier_2_.dump (); ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP)); } ACE_Barrier::ACE_Barrier (u_int count, LPCTSTR name, void *arg) : lock_ (name, arg), current_generation_ (0), count_ (count), sub_barrier_1_ (count, lock_, name, arg), sub_barrier_2_ (count, lock_, name, arg) { // ACE_TRACE ("ACE_Barrier::ACE_Barrier"); this->sub_barrier_[0] = &this->sub_barrier_1_; this->sub_barrier_[1] = &this->sub_barrier_2_; } int ACE_Barrier::wait (void) { // ACE_TRACE ("ACE_Barrier::wait"); ACE_GUARD_RETURN (ACE_Thread_Mutex, ace_mon, this->lock_, -1); ACE_Sub_Barrier *sbp = this->sub_barrier_[this->current_generation_]; // Check for shutdown... if (sbp == 0) return -1; if (sbp->running_threads_ == 1) { // We're the last running thread, so swap generations and tell // all the threads waiting on the barrier to continue on their // way. sbp->running_threads_ = this->count_; // Swap generations. this->current_generation_ = 1 - this->current_generation_; sbp->barrier_finished_.broadcast (); } else { --sbp->running_threads_; // Block until all the other threads wait(). while (sbp->running_threads_ != this->count_) sbp->barrier_finished_.wait (); } return 0; } ACE_Thread_Barrier::ACE_Thread_Barrier (u_int count, LPCTSTR name) : ACE_Barrier (count, name) { // ACE_TRACE ("ACE_Thread_Barrier::ACE_Thread_Barrier"); } void ACE_Thread_Barrier::dump (void) const { // ACE_TRACE ("ACE_Thread_Barrier::dump"); ACE_Barrier::dump (); } #if 0 ACE_Process_Barrier::ACE_Process_Barrier (u_int count, LPCTSTR name) : ACE_Barrier (count, USYNC_PROCESS, name) { // ACE_TRACE ("ACE_Process_Barrier::ACE_Process_Barrier"); } void ACE_Process_Barrier::dump (void) const { // ACE_TRACE ("ACE_Process_Barrier::dump"); ACE_Barrier::dump (); } template void ACE_Process_Condition::dump (void) const { // ACE_TRACE ("ACE_Process_Condition::dump"); ACE_Condition::dump (); } template ACE_Process_Condition::ACE_Process_Condition (MUTEX &m, LPCTSTR name, void *arg) : ACE_Condition (m, USYNC_PROCESS, name, arg) { // ACE_TRACE ("ACE_Process_Condition::ACE_Process_Condition"); } #endif /* 0 */ ACE_ALLOC_HOOK_DEFINE(ACE_Thread_Mutex) void ACE_Thread_Mutex::dump (void) const { // ACE_TRACE ("ACE_Thread_Mutex::dump"); ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this)); ACE_DEBUG ((LM_DEBUG, ASYS_TEXT("\n"))); ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP)); } ACE_Thread_Mutex::~ACE_Thread_Mutex (void) { // ACE_TRACE ("ACE_Thread_Mutex::~ACE_Thread_Mutex"); this->remove (); } ACE_Thread_Mutex::ACE_Thread_Mutex (LPCTSTR name, void *arg) : removed_ (0) { // ACE_TRACE ("ACE_Thread_Mutex::ACE_Thread_Mutex"); if (ACE_OS::thread_mutex_init (&this->lock_, USYNC_THREAD, name, arg) != 0) ACE_ERROR ((LM_ERROR, ASYS_TEXT("%p\n"), ASYS_TEXT("ACE_Thread_Mutex::ACE_Thread_Mutex"))); } ACE_ALLOC_HOOK_DEFINE(ACE_RW_Thread_Mutex) ACE_RW_Thread_Mutex::ACE_RW_Thread_Mutex (LPCTSTR name, void *arg) : ACE_RW_Mutex (USYNC_THREAD, name, arg) { // ACE_TRACE ("ACE_RW_Thread_Mutex::ACE_RW_Thread_Mutex"); } void ACE_RW_Thread_Mutex::dump (void) const { // ACE_TRACE ("ACE_RW_Thread_Mutex::dump"); ACE_RW_Mutex::dump (); } #if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION) // These are only instantiated with ACE_HAS_THREADS. template class ACE_Guard; template class ACE_Guard; template class ACE_Read_Guard; template class ACE_Read_Guard; template class ACE_Write_Guard; template class ACE_Write_Guard; #elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA) // These are only instantiated with ACE_HAS_THREADS. #pragma instantiate ACE_Guard #pragma instantiate ACE_Guard #pragma instantiate ACE_Read_Guard #pragma instantiate ACE_Read_Guard #pragma instantiate ACE_Write_Guard #pragma instantiate ACE_Write_Guard #endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */ #endif /* ACE_HAS_THREADS */ // // These are instantiated both with and without ACE_HAS_THREADS. // #if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION) template class ACE_Guard; #elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA) #pragma instantiate ACE_Guard #endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */ #endif /* ACE_SYNCH_C */