diff options
| -rw-r--r-- | src/vlib/threads.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/vlib/threads.c b/src/vlib/threads.c index 87b71adc2bc..854d69448ac 100644 --- a/src/vlib/threads.c +++ b/src/vlib/threads.c @@ -370,6 +370,8 @@ void vlib_worker_thread_init (vlib_worker_thread_t * w) { vlib_thread_main_t *tm = vlib_get_thread_main (); + sigset_t signals; + int rv; /* * Note: disabling signals in worker threads as follows @@ -379,7 +381,17 @@ vlib_worker_thread_init (vlib_worker_thread_t * w) * sigfillset (&s); * pthread_sigmask (SIG_SETMASK, &s, 0); * } + * We can still disable signals for SIGINT,SIGHUP and SIGTERM as they don't + * trigger post-dump handlers anyway. */ + sigemptyset (&signals); + sigaddset (&signals, SIGINT); + sigaddset (&signals, SIGHUP); + sigaddset (&signals, SIGTERM); + rv = pthread_sigmask (SIG_BLOCK, &signals, NULL); + + if (rv) + clib_warning ("Failed to set the worker signal mask"); clib_mem_set_heap (w->thread_mheap); |