X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=opt%2Fnothread%2Fmtx_unlock.c;h=d22d40e0ed3c75859ea614771950293c577a8236;hb=d7f375a09a9912bb18ad42f1442fbf64311bfed6;hp=02244bbed591b682cc065cf694e72f4a73a7cccb;hpb=b41576197133c1211d6ec353faf93f505f573b8a;p=pdclib

diff --git a/opt/nothread/mtx_unlock.c b/opt/nothread/mtx_unlock.c
index 02244bb..d22d40e 100644
--- a/opt/nothread/mtx_unlock.c
+++ b/opt/nothread/mtx_unlock.c
@@ -1,9 +1,20 @@
+#ifndef REGTEST
 #include <threads.h>
 
 int mtx_unlock(mtx_t *mtx)
 {
-	if(*mtx) {
-		*mtx = 0;
-		return thrd_success;
-	} else return thrd_error;
-}
\ No newline at end of file
+	if(--(*mtx) >= 0)
+        return thrd_success;
+    return thrd_error;
+}
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+    return TEST_RESULTS;
+}
+
+#endif