winthread.h

// POSIX pthread compatibility shim for Windows.

#ifdef _WIN32
#include <Windows.h>
typedef HANDLE pthread_mutex_t;
static int pthread_mutex_init(pthread_mutex_t *mutex, void *unused)
{
    unused = NULL;
    *mutex = CreateMutex(NULL, FALSE, NULL);
    return *mutex == NULL ? -1 : 0;
}

static int pthread_mutex_destroy(pthread_mutex_t *mutex)
{
    return CloseHandle(*mutex) == 0 ? -1 : 0;
}

static int pthread_mutex_lock(pthread_mutex_t *mutex)
{
    return WaitForSingleObject(*mutex, INFINITE) == WAIT_OBJECT_0? 0 : -1;
}

static int pthread_mutex_unlock(pthread_mutex_t *mutex)
{
    return ReleaseMutex(*mutex) == 0 ? -1 : 0;
}
#endif