From ef9d674a4812cf1e39b140a9937c0d07886c4275 Mon Sep 17 00:00:00 2001
From: Nikias Bassen
Date: Fri, 11 Jun 2021 02:07:36 +0200
Subject: thread(win32): Make sure cond_wait and cond_wait_timeout return a
 value

---
 src/thread.c | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/src/thread.c b/src/thread.c
index dbe93c8..7dc968c 100644
--- a/src/thread.c
+++ b/src/thread.c
@@ -177,7 +177,13 @@ int cond_wait(cond_t* cond, mutex_t* mutex)
 {
 #ifdef WIN32
 	mutex_unlock(mutex);
-	WaitForSingleObject(cond->sem, INFINITE);
+	DWORD res = WaitForSingleObject(cond->sem, INFINITE);
+	switch (res) {
+		case WAIT_OBJECT_0:
+			return 0;
+		default:
+			return -1;
+	}
 #else
 	return pthread_cond_wait(cond, mutex);
 #endif
@@ -187,7 +193,14 @@ int cond_wait_timeout(cond_t* cond, mutex_t* mutex, unsigned int timeout_ms)
 {
 #ifdef WIN32
 	mutex_unlock(mutex);
-	WaitForSingleObject(cond->sem, timeout_ms);
+	DWORD res = WaitForSingleObject(cond->sem, timeout_ms);
+	switch (res) {
+		case WAIT_OBJECT_0:
+		case WAIT_TIMEOUT:
+			return 0;
+		default:
+			return -1;
+	}
 #else
 	struct timespec ts;
 	struct timeval now;
-- 
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