From 6f68e7b50e0bb837d02dc2cb8a7bc5887534d7b8 Mon Sep 17 00:00:00 2001
From: rpj <rpj>
Date: Thu, 20 Dec 2001 15:23:01 +0000
Subject: 	* mutex.c (pthread_mutex_lock): Decrementing lock_idx was 
 not thread-safe. 	(pthread_mutex_trylock): Likewise.

---
 mutex.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'mutex.c')

diff --git a/mutex.c b/mutex.c
index 0009428..e62647e 100644
--- a/mutex.c
+++ b/mutex.c
@@ -650,7 +650,7 @@ pthread_mutex_lock(pthread_mutex_t *mutex)
       if( mx->kind != PTHREAD_MUTEX_FAST_NP &&
           pthread_equal( mx->ownerThread, pthread_self() ) )
 	{
-          mx->lock_idx--;
+          (void) InterlockedDecrement( &mx->lock_idx );
 
           if( mx->kind == PTHREAD_MUTEX_RECURSIVE_NP )
             {
@@ -766,7 +766,7 @@ pthread_mutex_trylock(pthread_mutex_t *mutex)
 	    }
           else
             {
-              mx->lock_idx--;
+              (void) InterlockedDecrement( &mx->lock_idx );
               result = EBUSY;
             }
 
@@ -780,3 +780,4 @@ pthread_mutex_trylock(pthread_mutex_t *mutex)
 
   return(result);
 }
+
-- 
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