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daemon: initialize struct sigaction at declaration site
This improves readability by uncluttering the code
Reviewed by: kevans
Pull Request: https://github.com/freebsd/freebsd-src/pull/669
(cherry picked from commit 259ed21d21
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@ -287,20 +287,19 @@ main(int argc, char *argv[])
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* and syslog.
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*/
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if (pidfile || ppidfile || restart || outfd != -1 || dosyslog) {
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struct sigaction act_term, act_chld, act_hup;
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struct sigaction act_term = { 0 };
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struct sigaction act_chld = { 0 };
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struct sigaction act_hup = { 0 };
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/* Avoid PID racing with SIGCHLD and SIGTERM. */
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memset(&act_term, 0, sizeof(act_term));
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act_term.sa_handler = handle_term;
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sigemptyset(&act_term.sa_mask);
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sigaddset(&act_term.sa_mask, SIGCHLD);
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memset(&act_chld, 0, sizeof(act_chld));
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act_chld.sa_handler = handle_chld;
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sigemptyset(&act_chld.sa_mask);
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sigaddset(&act_chld.sa_mask, SIGTERM);
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memset(&act_hup, 0, sizeof(act_hup));
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act_hup.sa_handler = handle_hup;
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sigemptyset(&act_hup.sa_mask);
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