X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=opt%2Fnothread%2Fmtx_unlock.c;h=d22d40e0ed3c75859ea614771950293c577a8236;hb=d7f375a09a9912bb18ad42f1442fbf64311bfed6;hp=214a06390a51e752f109b7d53fb1561291b72b03;hpb=5fd032eae66fba700cb9927840222b068c62361e;p=pdclib

diff --git a/opt/nothread/mtx_unlock.c b/opt/nothread/mtx_unlock.c
index 214a063..d22d40e 100644
--- a/opt/nothread/mtx_unlock.c
+++ b/opt/nothread/mtx_unlock.c
@@ -3,10 +3,9 @@
 
 int mtx_unlock(mtx_t *mtx)
 {
-	if(*mtx) {
-		*mtx = 0;
-		return thrd_success;
-	} else return thrd_error;
+	if(--(*mtx) >= 0)
+        return thrd_success;
+    return thrd_error;
 }
 #endif
 
@@ -18,4 +17,4 @@ int main( void )
     return TEST_RESULTS;
 }
 
-#endif
\ No newline at end of file
+#endif