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daemon: initialize struct sigaction at declaration site

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This improves readability by uncluttering the code

Reviewed by:	kevans
Pull Request:	https://github.com/freebsd/freebsd-src/pull/669
This commit is contained in:
Ihor Antonov 2023-03-01 21:00:42 -06:00 committed by Kyle Evans
parent 91b921c7d4
commit 259ed21d21
1 changed files with 3 additions and 4 deletions
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7
usr.sbin/daemon/daemon.c
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@ -287,20 +287,19 @@ main(int argc, char *argv[])
* and syslog. * and syslog.
*/ */
if (pidfile || ppidfile || restart || outfd != -1 || dosyslog) { if (pidfile || ppidfile || restart || outfd != -1 || dosyslog) {
struct sigaction act_term, act_chld, act_hup; struct sigaction act_term = { 0 };
struct sigaction act_chld = { 0 };
struct sigaction act_hup = { 0 };
/* Avoid PID racing with SIGCHLD and SIGTERM. */ /* Avoid PID racing with SIGCHLD and SIGTERM. */
memset(&act_term, 0, sizeof(act_term));
act_term.sa_handler = handle_term; act_term.sa_handler = handle_term;
sigemptyset(&act_term.sa_mask); sigemptyset(&act_term.sa_mask);
sigaddset(&act_term.sa_mask, SIGCHLD); sigaddset(&act_term.sa_mask, SIGCHLD);
memset(&act_chld, 0, sizeof(act_chld));
act_chld.sa_handler = handle_chld; act_chld.sa_handler = handle_chld;
sigemptyset(&act_chld.sa_mask); sigemptyset(&act_chld.sa_mask);
sigaddset(&act_chld.sa_mask, SIGTERM); sigaddset(&act_chld.sa_mask, SIGTERM);
memset(&act_hup, 0, sizeof(act_hup));
act_hup.sa_handler = handle_hup; act_hup.sa_handler = handle_hup;
sigemptyset(&act_hup.sa_mask); sigemptyset(&act_hup.sa_mask);