2 files changed, 9 insertions, 1 deletions
diff --git a/compat/win32/pthread.c b/compat/win32/pthread.c
index 58980a529c..7e93146963 100644
--- a/compat/win32/pthread.c
+++ b/compat/win32/pthread.c
@@ -59,3 +59,10 @@ pthread_t pthread_self(void)
 	t.tid = GetCurrentThreadId();
 	return t;
 }
+
+int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex)
+{
+	if (SleepConditionVariableCS(cond, mutex, INFINITE) == 0)
+		return err_win_to_posix(GetLastError());
+	return 0;
+}
diff --git a/compat/win32/pthread.h b/compat/win32/pthread.h
index e2b5c4f64c..859e1d9021 100644
--- a/compat/win32/pthread.h
+++ b/compat/win32/pthread.h
@@ -36,7 +36,6 @@ typedef int pthread_mutexattr_t;
 
 #define pthread_cond_init(a,b) InitializeConditionVariable((a))
 #define pthread_cond_destroy(a) do {} while (0)
-#define pthread_cond_wait(a,b) return_0(SleepConditionVariableCS((a), (b), INFINITE))
 #define pthread_cond_signal WakeConditionVariable
 #define pthread_cond_broadcast WakeAllConditionVariable
 
@@ -64,6 +63,8 @@ int win32_pthread_join(pthread_t *thread, void **value_ptr);
 #define pthread_equal(t1, t2) ((t1).tid == (t2).tid)
 pthread_t pthread_self(void);
 
+int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex);
+
 static inline void NORETURN pthread_exit(void *ret)
 {
 	_endthreadex((unsigned)(uintptr_t)ret);