Fix warnings

[pdclib] / opt / nothread / mtx_unlock.c

diff --git a/opt/nothread/mtx_unlock.c b/opt/nothread/mtx_unlock.c
index 214a06390a51e752f109b7d53fb1561291b72b03..d22d40e0ed3c75859ea614771950293c577a8236 100644 (file)
--- a/opt/nothread/mtx_unlock.c
+++ b/opt/nothread/mtx_unlock.c
@@ -3,10 +3,9 @@
 \r
 int mtx_unlock(mtx_t *mtx)\r
 {\r
-       if(*mtx) {\r
-               *mtx = 0;\r
-               return thrd_success;\r
-       } else return thrd_error;\r
+       if(--(*mtx) >= 0)\r
+        return thrd_success;\r
+    return thrd_error;\r
 }\r
 #endif\r
 \r
@@ -18,4 +17,4 @@ int main( void )
     return TEST_RESULTS;\r
 }\r
 \r
-#endif
\ No newline at end of file
+#endif\r