From 6052018e77656b503ed2a62e5eb605264299f654 Mon Sep 17 00:00:00 2001
From: wangmm0220 <wangmm0220@gmail.com>
Date: Mon, 20 Feb 2023 16:42:25 +0800
Subject: [PATCH] fix:dispatch_semaphore_wait use error

---
 source/os/src/osSemaphore.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/source/os/src/osSemaphore.c b/source/os/src/osSemaphore.c
index 2f947d3252..1f2df09ce1 100644
--- a/source/os/src/osSemaphore.c
+++ b/source/os/src/osSemaphore.c
@@ -132,7 +132,8 @@ int tsem_wait(tsem_t *psem) {
 
 int tsem_timewait(tsem_t *psem, int64_t milis) {
   if (psem == NULL || *psem == NULL) return -1;
-  dispatch_semaphore_wait(*psem, milis * 1000 * 1000);
+  dispatch_time_t time = dispatch_time(DISPATCH_TIME_NOW, (int64_t)(milis * USEC_PER_SEC));
+  dispatch_semaphore_wait(*psem, time);
   return 0;
 }
 
-- 
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