X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fthread%2Fsem_open.c;h=fda0acd35c717992e44b4c5191e6f400d1190532;hb=ea7891a651dc4abc1305438470f1e4cc3b64ece2;hp=9a95d257172096f6bd933005adb1299bbecf00c9;hpb=7c20a11801fd56cbadac5a6e88ddddf8656ac1bc;p=musl

diff --git a/src/thread/sem_open.c b/src/thread/sem_open.c
index 9a95d257..fda0acd3 100644
--- a/src/thread/sem_open.c
+++ b/src/thread/sem_open.c
@@ -20,7 +20,7 @@ static struct {
 	sem_t *sem;
 	int refcnt;
 } *semtab;
-static int lock[2];
+static volatile int lock[2];
 
 #define FLAGS (O_RDWR|O_NOFOLLOW|O_CLOEXEC|O_NONBLOCK)
 
@@ -126,6 +126,7 @@ sem_t *sem_open(const char *name, int flags, ...)
 		e = link(tmp, name) ? errno : 0;
 		unlink(tmp);
 		if (!e) break;
+		munmap(map, sizeof(sem_t));
 		/* Failure is only fatal when doing an exclusive open;
 		 * otherwise, next iteration will try to open the
 		 * existing file. */