X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fthread%2Fsem_open.c;h=2e900eb3a2dc0e393d9c712c6ac460d323a29609;hb=f2d08cf7558176af7ef36cf5b5213e676b02d7ac;hp=809925d25a7a38834dc7bde773611507d809b930;hpb=682a0f271f8b9a5842679a0f7070139a1f456c0d;p=musl

diff --git a/src/thread/sem_open.c b/src/thread/sem_open.c
index 809925d2..2e900eb3 100644
--- a/src/thread/sem_open.c
+++ b/src/thread/sem_open.c
@@ -71,13 +71,13 @@ sem_t *sem_open(const char *name, int flags, ...)
 			errno = EINVAL;
 			return SEM_FAILED;
 		}
-		sem_init(&newsem, 0, value);
+		sem_init(&newsem, 1, value);
 		clock_gettime(CLOCK_REALTIME, &ts);
 		snprintf(tmp, sizeof(tmp), "/dev/shm/%p-%p-%d-%d",
 			&name, name, (int)getpid(), (int)ts.tv_nsec);
-		tfd = open(tmp, O_CREAT|O_EXCL|O_RDWR, mode);
+		tfd = open(tmp, O_CREAT|O_EXCL|O_RDWR|O_CLOEXEC, mode);
 		if (tfd<0) return SEM_FAILED;
-		dir = open("/dev/shm", O_DIRECTORY|O_RDONLY);
+		dir = open("/dev/shm", O_DIRECTORY|O_RDONLY|O_CLOEXEC);
 		if (dir<0 || write(tfd,&newsem,sizeof newsem)!=sizeof newsem) {
 			if (dir >= 0) close(dir);
 			close(tfd);
@@ -93,7 +93,7 @@ sem_t *sem_open(const char *name, int flags, ...)
 
 	for (;;) {
 		if (!(flags & O_EXCL)) {
-			fd = shm_open(name, flags&~O_CREAT, mode);
+			fd = shm_open(name, flags&~O_CREAT, 0);
 			if (fd >= 0 || errno != ENOENT) {
 				if (flags & O_CREAT) {
 					close(dir);