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-rw-r--r--src/mq/mq_notify.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mq/mq_notify.c b/src/mq/mq_notify.c
index 8109dfb2..0e1e6c7a 100644
--- a/src/mq/mq_notify.c
+++ b/src/mq/mq_notify.c
@@ -50,6 +50,7 @@ int mq_notify(mqd_t mqd, const struct sigevent *sev)
pthread_t td;
int s;
int cs;
+ sigset_t allmask, origmask;
if (!sev || sev->sigev_notify != SIGEV_THREAD)
return syscall(SYS_mq_notify, mqd, sev);
@@ -64,11 +65,15 @@ int mq_notify(mqd_t mqd, const struct sigevent *sev)
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
sem_init(&args.sem, 0, 0);
+ sigfillset(&allmask);
+ pthread_sigmask(SIG_BLOCK, &allmask, &origmask);
if (pthread_create(&td, &attr, start, &args)) {
__syscall(SYS_close, s);
+ pthread_sigmask(SIG_SETMASK, &origmask, 0);
errno = EAGAIN;
return -1;
}
+ pthread_sigmask(SIG_SETMASK, &origmask, 0);
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
sem_wait(&args.sem);