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c73b7ad548
The Win32 CONDITION_VARIABLE has better performance and is easier to maintain, as the code is a lot shorter now (the semantics of the CONDITION_VARIABLE matches the pthread_cond_t very well). Note: CONDITION_VARIABLE is not available in Windows XP and below, but the declared minimal Windows version required to build and run Git for Windows is Windows Vista (which is also beyond its end-of-life, but for less long than Windows XP), so that's okay. Signed-off-by: Loo Rong Jie <loorongjie@gmail.com> Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
59 lines
1.3 KiB
C
59 lines
1.3 KiB
C
/*
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* Copyright (C) 2009 Andrzej K. Haczewski <ahaczewski@gmail.com>
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*
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* DISCLAIMER: The implementation is Git-specific, it is subset of original
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* Pthreads API, without lots of other features that Git doesn't use.
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* Git also makes sure that the passed arguments are valid, so there's
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* no need for double-checking.
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*/
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#include "../../git-compat-util.h"
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#include "pthread.h"
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#include <errno.h>
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#include <limits.h>
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static unsigned __stdcall win32_start_routine(void *arg)
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{
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pthread_t *thread = arg;
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thread->tid = GetCurrentThreadId();
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thread->arg = thread->start_routine(thread->arg);
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return 0;
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}
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int pthread_create(pthread_t *thread, const void *unused,
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void *(*start_routine)(void*), void *arg)
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{
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thread->arg = arg;
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thread->start_routine = start_routine;
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thread->handle = (HANDLE)
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_beginthreadex(NULL, 0, win32_start_routine, thread, 0, NULL);
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if (!thread->handle)
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return errno;
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else
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return 0;
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}
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int win32_pthread_join(pthread_t *thread, void **value_ptr)
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{
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DWORD result = WaitForSingleObject(thread->handle, INFINITE);
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switch (result) {
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case WAIT_OBJECT_0:
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if (value_ptr)
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*value_ptr = thread->arg;
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return 0;
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case WAIT_ABANDONED:
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return EINVAL;
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default:
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return err_win_to_posix(GetLastError());
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}
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}
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pthread_t pthread_self(void)
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{
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pthread_t t = { NULL };
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t.tid = GetCurrentThreadId();
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return t;
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}
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