X-Git-Url: https://pd.if.org/git/?p=pdclib;a=blobdiff_plain;f=opt%2Fnothread%2Fmtx_unlock.c;h=42f696aa27e613d00c2d0a9ac6d248df2a107a54;hp=214a06390a51e752f109b7d53fb1561291b72b03;hb=abc15df6b9fae3374d24c7cf5c3ab94c605b2a6d;hpb=219271fd548949abce8bd75c34dd42e519418fc4

diff --git a/opt/nothread/mtx_unlock.c b/opt/nothread/mtx_unlock.c
index 214a063..42f696a 100644
--- a/opt/nothread/mtx_unlock.c
+++ b/opt/nothread/mtx_unlock.c
@@ -1,21 +1,20 @@
-#ifndef REGTEST
-#include <threads.h>
-
-int mtx_unlock(mtx_t *mtx)
-{
-	if(*mtx) {
-		*mtx = 0;
-		return thrd_success;
-	} else return thrd_error;
-}
-#endif
-
-#ifdef TEST
-#include <_PDCLIB_test.h>
-
-int main( void )
-{
-    return TEST_RESULTS;
-}
-
-#endif
\ No newline at end of file
+#ifndef REGTEST
+#include <threads.h>
+
+int mtx_unlock(mtx_t *mtx)
+{
+	if(--(*mtx) >= 0)
+        return thrd_success;
+    return thrd_error;
+}
+#endif
+
+#ifdef TEST
+#include "_PDCLIB_test.h"
+
+int main( void )
+{
+    return TEST_RESULTS;
+}
+
+#endif