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don't catch SIGQUIT

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This commit is contained in:
Bob Halley 2000-03-18 01:29:48 +00:00
parent 9dee95b41c
commit 0e58c0998d
1 changed files with 4 additions and 10 deletions
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14
lib/isc/unix/app.c
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@ -127,16 +127,13 @@ isc_app_start(void) {
#ifndef HAVE_SIGWAIT
/*
* Install do-nothing handlers for SIGINT, SIGQUIT, and SIGTERM.
* Install do-nothing handlers for SIGINT and SIGTERM.
*
* We install them now because BSDI 3.1 won't block
* the default actions, regardless of what we do with
* pthread_sigmask().
*/
result = handle_signal(SIGINT, exit_action);
if (result != ISC_R_SUCCESS)
return (result);
result = handle_signal(SIGQUIT, exit_action);
if (result != ISC_R_SUCCESS)
return (result);
result = handle_signal(SIGTERM, exit_action);
@ -156,14 +153,13 @@ isc_app_start(void) {
*
* If isc_app_start() is called from the main thread before any other
* threads have been created, then the pthread_sigmask() call below
* will result in all threads having SIGHUP, SIGINT, SIGQUIT and
* SIGTERM blocked by default, ensuring that only the thread that
* calls sigwait() for them will get those signals.
* will result in all threads having SIGHUP, SIGINT and SIGTERM
* blocked by default, ensuring that only the thread that calls
* sigwait() for them will get those signals.
*/
if (sigemptyset(&sset) != 0 ||
sigaddset(&sset, SIGHUP) != 0 ||
sigaddset(&sset, SIGINT) != 0 ||
sigaddset(&sset, SIGQUIT) != 0 ||
sigaddset(&sset, SIGTERM) != 0) {
UNEXPECTED_ERROR(__FILE__, __LINE__,
"isc_app_start() sigsetops: %s",
@ -290,7 +286,6 @@ isc_app_run(void) {
if (sigemptyset(&sset) != 0 ||
sigaddset(&sset, SIGHUP) != 0 ||
sigaddset(&sset, SIGINT) != 0 ||
sigaddset(&sset, SIGQUIT) != 0 ||
sigaddset(&sset, SIGTERM) != 0) {
UNEXPECTED_ERROR(__FILE__, __LINE__,
"isc_app_run() sigsetops: %s",
@ -300,7 +295,6 @@ isc_app_run(void) {
result = sigwait(&sset, &sig);
if (result == 0) {
if (sig == SIGINT ||
sig == SIGQUIT ||
sig == SIGTERM)
want_shutdown = ISC_TRUE;
else if (sig == SIGHUP)