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/*
* Copyright (C) 2009-2012 the libgit2 contributors
*
* This file is part of libgit2, distributed under the GNU GPL v2 with
* a Linking Exception. For full terms see the included COPYING file.
*/
#include "pthread.h"
int pthread_create(
pthread_t *GIT_RESTRICT thread,
const pthread_attr_t *GIT_RESTRICT attr,
void *(*start_routine)(void*),
void *GIT_RESTRICT arg)
{
GIT_UNUSED(attr);
*thread = (pthread_t) CreateThread(
NULL, 0, (LPTHREAD_START_ROUTINE)start_routine, arg, 0, NULL);
return *thread ? 0 : -1;
}
int pthread_join(pthread_t thread, void **value_ptr)
{
int ret;
ret = WaitForSingleObject(thread, INFINITE);
if (ret && value_ptr)
GetExitCodeThread(thread, (void*) value_ptr);
return -(!!ret);
}
int pthread_mutex_init(pthread_mutex_t *GIT_RESTRICT mutex,
const pthread_mutexattr_t *GIT_RESTRICT mutexattr)
{
GIT_UNUSED(mutexattr);
InitializeCriticalSection(mutex);
return 0;
}
int pthread_mutex_destroy(pthread_mutex_t *mutex)
{
DeleteCriticalSection(mutex);
return 0;
}
int pthread_mutex_lock(pthread_mutex_t *mutex)
{
EnterCriticalSection(mutex);
return 0;
}
int pthread_mutex_unlock(pthread_mutex_t *mutex)
{
LeaveCriticalSection(mutex);
return 0;
}
int pthread_num_processors_np(void)
{
DWORD_PTR p, s;
int n = 0;
if (GetProcessAffinityMask(GetCurrentProcess(), &p, &s))
for (; p; p >>= 1)
n += p&1;
return n ? n : 1;
}
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