Issue #11863: remove unused file Python/thread_wince.h
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/* This code implemented by Mark Hammond (MHammond@skippinet.com.au) */
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#include <windows.h>
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#include <limits.h>
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#include <pydebug.h>
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long PyThread_get_thread_ident(void);
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/*
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* Change all headers to pure ANSI as no one will use K&R style on an
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* NT
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*/
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/*
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* Initialization of the C package, should not be needed.
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*/
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static void PyThread__init_thread(void)
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{
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}
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/*
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* Thread support.
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*/
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long PyThread_start_new_thread(void (*func)(void *), void *arg)
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{
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long rv;
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int success = -1;
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dprintf(("%ld: PyThread_start_new_thread called\n", PyThread_get_thread_ident()));
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if (!initialized)
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PyThread_init_thread();
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rv = _beginthread(func, 0, arg); /* use default stack size */
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if (rv != -1) {
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success = 0;
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dprintf(("%ld: PyThread_start_new_thread succeeded:\n", PyThread_get_thread_ident()));
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}
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return success;
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}
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/*
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* Return the thread Id instead of an handle. The Id is said to uniquely identify the
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* thread in the system
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*/
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long PyThread_get_thread_ident(void)
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{
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if (!initialized)
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PyThread_init_thread();
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return GetCurrentThreadId();
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}
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void PyThread_exit_thread(void)
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{
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dprintf(("%ld: PyThread_exit_thread called\n", PyThread_get_thread_ident()));
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if (!initialized)
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exit(0);
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_endthread();
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}
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/*
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* Lock support. It has to be implemented using Mutexes, as
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* CE doesnt support semaphores. Therefore we use some hacks to
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* simulate the non reentrant requirements of Python locks
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*/
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PyThread_type_lock PyThread_allocate_lock(void)
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{
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HANDLE aLock;
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dprintf(("PyThread_allocate_lock called\n"));
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if (!initialized)
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PyThread_init_thread();
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aLock = CreateEvent(NULL, /* Security attributes */
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0, /* Manual-Reset */
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1, /* Is initially signalled */
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NULL); /* Name of event */
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dprintf(("%ld: PyThread_allocate_lock() -> %p\n", PyThread_get_thread_ident(), aLock));
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return (PyThread_type_lock) aLock;
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}
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void PyThread_free_lock(PyThread_type_lock aLock)
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{
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dprintf(("%ld: PyThread_free_lock(%p) called\n", PyThread_get_thread_ident(),aLock));
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CloseHandle(aLock);
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}
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/*
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* Return 1 on success if the lock was acquired
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*
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* and 0 if the lock was not acquired. This means a 0 is returned
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* if the lock has already been acquired by this thread!
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*/
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int PyThread_acquire_lock(PyThread_type_lock aLock, int waitflag)
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{
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int success = 1;
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DWORD waitResult;
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dprintf(("%ld: PyThread_acquire_lock(%p, %d) called\n", PyThread_get_thread_ident(),aLock, waitflag));
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#ifndef DEBUG
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waitResult = WaitForSingleObject(aLock, (waitflag ? INFINITE : 0));
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#else
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/* To aid in debugging, we regularly wake up. This allows us to
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break into the debugger */
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while (TRUE) {
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waitResult = WaitForSingleObject(aLock, waitflag ? 3000 : 0);
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if (waitflag==0 || (waitflag && waitResult == WAIT_OBJECT_0))
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break;
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}
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#endif
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if (waitResult != WAIT_OBJECT_0) {
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success = 0; /* We failed */
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}
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dprintf(("%ld: PyThread_acquire_lock(%p, %d) -> %d\n", PyThread_get_thread_ident(),aLock, waitflag, success));
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return success;
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}
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void PyThread_release_lock(PyThread_type_lock aLock)
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{
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dprintf(("%ld: PyThread_release_lock(%p) called\n", PyThread_get_thread_ident(),aLock));
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if (!SetEvent(aLock))
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dprintf(("%ld: Could not PyThread_release_lock(%p) error: %l\n", PyThread_get_thread_ident(), aLock, GetLastError()));
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}
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