From 8c8bcc5d1737002a9d153105c16b262d2e201efa Mon Sep 17 00:00:00 2001
From: rpj <rpj>
Date: Tue, 19 Oct 2004 13:24:40 +0000
Subject: Semaphore speedups - alpha, but passes testsuite

---
 sem_post.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'sem_post.c')

diff --git a/sem_post.c b/sem_post.c
index 3281643..1d607e8 100644
--- a/sem_post.c
+++ b/sem_post.c
@@ -85,7 +85,8 @@ sem_post (sem_t * sem)
 
 #else /* NEED_SEM */
 
-  else if (!ReleaseSemaphore ((*sem)->sem, 1, 0))
+    else if (InterlockedExchangeAdd((LPLONG) &(*sem)->value, (LONG) 1) < 0
+	     && !ReleaseSemaphore((*sem)->sem, 1, NULL))
 
 #endif /* NEED_SEM */
 
-- 
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