X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=opt%2Fnothread%2Fmtx_lock.c;fp=opt%2Fnothread%2Fmtx_lock.c;h=0a1afbdc4cdd60bfedf3470d8e0bc2e6f0890c32;hb=97dd2fddbdb56005b16a1b0aa19ed15cd77269fc;hp=0000000000000000000000000000000000000000;hpb=263e1e1fae0dcae08d99dc06fd69391ad076f378;p=pdclib.old

diff --git a/opt/nothread/mtx_lock.c b/opt/nothread/mtx_lock.c
new file mode 100644
index 0000000..0a1afbd
--- /dev/null
+++ b/opt/nothread/mtx_lock.c
@@ -0,0 +1,10 @@
+#include <threads.h>
+#include <assert.h>
+
+int mtx_lock(mtx_t *mtx)
+{
+	if(*mtx == 0) {
+		*mtx = 1;
+		return thrd_success;
+	} else return thrd_error;
+}
\ No newline at end of file