diff options
Diffstat (limited to 'Python/thread.c')
| -rw-r--r-- | Python/thread.c | 126 |
1 files changed, 84 insertions, 42 deletions
diff --git a/Python/thread.c b/Python/thread.c index d224046e64..e55d34244e 100644 --- a/Python/thread.c +++ b/Python/thread.c @@ -7,7 +7,6 @@ #include "Python.h" - #ifndef _POSIX_THREADS /* This means pthreads are not implemented in libc headers, hence the macro not present in unistd.h. But they still can be implemented as an external @@ -27,18 +26,6 @@ #ifndef _POSIX_THREADS -#ifdef __sgi -#define SGI_THREADS -#endif - -#ifdef HAVE_THREAD_H -#define SOLARIS_THREADS -#endif - -#if defined(sun) && !defined(SOLARIS_THREADS) -#define SUN_LWP -#endif - /* Check if we're running on HP-UX and _SC_THREADS is defined. If so, then enough of the Posix threads package is implemented to support python threads. @@ -94,47 +81,21 @@ PyThread_init_thread(void) or the size specified by the THREAD_STACK_SIZE macro. */ static size_t _pythread_stacksize = 0; -#ifdef SGI_THREADS -#error SGI Irix threads are now unsupported, and code will be removed in 3.3. -#include "thread_sgi.h" -#endif - -#ifdef SOLARIS_THREADS -#include "thread_solaris.h" -#endif - -#ifdef SUN_LWP -#error SunOS lightweight processes are now unsupported, and code will be removed in 3.3. -#include "thread_lwp.h" -#endif - -#ifdef HAVE_PTH -#error GNU pth threads are now unsupported, and code will be removed in 3.3. -#include "thread_pth.h" -#undef _POSIX_THREADS -#endif - #ifdef _POSIX_THREADS +#define PYTHREAD_NAME "pthread" #include "thread_pthread.h" #endif -#ifdef C_THREADS -#error Mach C Threads are now unsupported, and code will be removed in 3.3. -#include "thread_cthread.h" -#endif - #ifdef NT_THREADS +#define PYTHREAD_NAME "nt" #include "thread_nt.h" #endif #ifdef OS2_THREADS +#define PYTHREAD_NAME "os2" #include "thread_os2.h" #endif -#ifdef PLAN9_THREADS -#include "thread_plan9.h" -#endif - /* #ifdef FOOBAR_THREADS #include "thread_foobar.h" @@ -409,3 +370,84 @@ PyThread_ReInitTLS(void) } #endif /* Py_HAVE_NATIVE_TLS */ + +PyDoc_STRVAR(threadinfo__doc__, +"sys.thread_info\n\ +\n\ +A struct sequence holding information about the thread implementation."); + +static PyStructSequence_Field threadinfo_fields[] = { + {"name", "name of the thread implementation"}, + {"lock", "name of the lock implementation"}, + {"version", "name and version of the thread library"}, + {0} +}; + +static PyStructSequence_Desc threadinfo_desc = { + "sys.thread_info", /* name */ + threadinfo__doc__, /* doc */ + threadinfo_fields, /* fields */ + 3 +}; + +static PyTypeObject ThreadInfoType; + +PyObject* +PyThread_GetInfo(void) +{ + PyObject *threadinfo, *value; + int pos = 0; +#if (defined(_POSIX_THREADS) && defined(HAVE_CONFSTR) \ + && defined(_CS_GNU_LIBPTHREAD_VERSION)) + char buffer[255]; + int len; +#endif + + if (ThreadInfoType.tp_name == 0) + PyStructSequence_InitType(&ThreadInfoType, &threadinfo_desc); + + threadinfo = PyStructSequence_New(&ThreadInfoType); + if (threadinfo == NULL) + return NULL; + + value = PyUnicode_FromString(PYTHREAD_NAME); + if (value == NULL) { + Py_DECREF(threadinfo); + return NULL; + } + PyStructSequence_SET_ITEM(threadinfo, pos++, value); + +#ifdef _POSIX_THREADS +#ifdef USE_SEMAPHORES + value = PyUnicode_FromString("semaphore"); +#else + value = PyUnicode_FromString("mutex+cond"); +#endif + if (value == NULL) { + Py_DECREF(threadinfo); + return NULL; + } +#else + Py_INCREF(Py_None); + value = Py_None; +#endif + PyStructSequence_SET_ITEM(threadinfo, pos++, value); + +#if (defined(_POSIX_THREADS) && defined(HAVE_CONFSTR) \ + && defined(_CS_GNU_LIBPTHREAD_VERSION)) + value = NULL; + len = confstr(_CS_GNU_LIBPTHREAD_VERSION, buffer, sizeof(buffer)); + if (1 < len && len < sizeof(buffer)) { + value = PyUnicode_DecodeFSDefaultAndSize(buffer, len-1); + if (value == NULL) + PyErr_Clear(); + } + if (value == NULL) +#endif + { + Py_INCREF(Py_None); + value = Py_None; + } + PyStructSequence_SET_ITEM(threadinfo, pos++, value); + return threadinfo; +} |