Fix: Use a filled signal mask to disable all signals

[userspace-rcu.git] / urcu-bp.c

diff --git a/urcu-bp.c b/urcu-bp.c
index b9c89d899ea0d744246aa369d8417d8b5a1c4cec..d0a2c492fcebaf59b057a933aa691daa9e00c8af 100644 (file)
--- a/urcu-bp.c
+++ b/urcu-bp.c
@@ -215,9 +215,9 @@ void synchronize_rcu(void)
        sigset_t newmask, oldmask;
        int ret;
 
-       ret = sigemptyset(&newmask);
+       ret = sigfillset(&newmask);
        assert(!ret);
-       ret = pthread_sigmask(SIG_SETMASK, &newmask, &oldmask);
+       ret = pthread_sigmask(SIG_BLOCK, &newmask, &oldmask);
        assert(!ret);
 
        mutex_lock(&rcu_gp_lock);
@@ -360,9 +360,9 @@ void rcu_bp_register(void)
        sigset_t newmask, oldmask;
        int ret;
 
-       ret = sigemptyset(&newmask);
+       ret = sigfillset(&newmask);
        assert(!ret);
-       ret = pthread_sigmask(SIG_SETMASK, &newmask, &oldmask);
+       ret = pthread_sigmask(SIG_BLOCK, &newmask, &oldmask);
        assert(!ret);
 
        /*
@@ -395,9 +395,9 @@ void rcu_bp_before_fork(void)
        sigset_t newmask, oldmask;
        int ret;
 
-       ret = sigemptyset(&newmask);
+       ret = sigfillset(&newmask);
        assert(!ret);
-       ret = pthread_sigmask(SIG_SETMASK, &newmask, &oldmask);
+       ret = pthread_sigmask(SIG_BLOCK, &newmask, &oldmask);
        assert(!ret);
        mutex_lock(&rcu_gp_lock);
        saved_fork_signal_mask = oldmask;