X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=opt%2Fnothread%2Fmtx_unlock.c;h=97a93a67ac021e8c319c6966a0609859446dc511;hb=66650707acada328341a3812007307b1b9676803;hp=1c11401f7931788068b98ec49bc0ec625d871a22;hpb=5155ca96295a12b4857fc0e6a9629cc43a9a85fa;p=pdclib

diff --git a/opt/nothread/mtx_unlock.c b/opt/nothread/mtx_unlock.c
index 1c11401..97a93a6 100644
--- a/opt/nothread/mtx_unlock.c
+++ b/opt/nothread/mtx_unlock.c
@@ -1,12 +1,13 @@
+#ifndef REGTEST
 #include <threads.h>
 
 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
 
 #ifdef TEST
 #include <_PDCLIB_test.h>