diff options
| author | Renato Westphal <renato@opensourcerouting.org> | 2017-03-25 21:28:13 -0300 |
|---|---|---|
| committer | Renato Westphal <renato@opensourcerouting.org> | 2017-03-27 14:54:57 -0300 |
| commit | 1e7e440f5a5555b286e9b6265e9e481d11123fcd (patch) | |
| tree | 496ca09cbecb0b7997b93c755a3951ab7b6280a7 | |
| parent | 56b8a8d231bf36a7011eb97eb115a148b3395635 (diff) | |
ldpd: ignore the SIGHUP signal in the child processes
Only the parent process should handle the SIGHUP signal, but we need
to make sure that this signal is ignored in the child processes so a
command like "killall -SIGHUP ldpd" won't kill ldpd.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
| -rw-r--r-- | ldpd/lde.c | 4 | ||||
| -rw-r--r-- | ldpd/ldpe.c | 4 | ||||
| -rw-r--r-- | lib/sigevent.c | 3 |
3 files changed, 10 insertions, 1 deletions
diff --git a/ldpd/lde.c b/ldpd/lde.c index 3247c8c1cc..e927e45367 100644 --- a/ldpd/lde.c +++ b/ldpd/lde.c @@ -106,6 +106,10 @@ sigint(void) static struct quagga_signal_t lde_signals[] = { { + .signal = SIGHUP, + /* ignore */ + }, + { .signal = SIGINT, .handler = &sigint, }, diff --git a/ldpd/ldpe.c b/ldpd/ldpe.c index 6c542c5e34..ada732d6fc 100644 --- a/ldpd/ldpe.c +++ b/ldpd/ldpe.c @@ -88,6 +88,10 @@ sigint(void) static struct quagga_signal_t ldpe_signals[] = { { + .signal = SIGHUP, + /* ignore */ + }, + { .signal = SIGINT, .handler = &sigint, }, diff --git a/lib/sigevent.c b/lib/sigevent.c index a120028d81..09f07180ce 100644 --- a/lib/sigevent.c +++ b/lib/sigevent.c @@ -108,7 +108,8 @@ quagga_sigevent_process (void) if (sig->caught > 0) { sig->caught = 0; - sig->handler (); + if (sig->handler) + sig->handler (); } } } |