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main: block SIGCHLD globally

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This allows threads (modules) to create signal FDs for SIGCHLD.
This commit is contained in:
Daniel Eklöf 2020-10-25 15:24:06 +01:00
parent 19fe2f5a6f
commit 99aa8dea82
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GPG key ID: 5BBD4992C116573F
1 changed files with 6 additions and 1 deletions
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7
main.c
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@ -279,6 +279,11 @@ main(int argc, char *const *argv)
sigaction(SIGINT, &sa, NULL);
sigaction(SIGTERM, &sa, NULL);
sigset_t proc_signal_mask;
sigemptyset(&proc_signal_mask);
sigaddset(&proc_signal_mask, SIGCHLD);
sigprocmask(SIG_BLOCK, &proc_signal_mask, NULL);
/* Block SIGINT (this is under the assumption that threads inherit
* the signal mask */
sigset_t signal_mask;
@ -326,7 +331,7 @@ main(int argc, char *const *argv)
thrd_t bar_thread;
thrd_create(&bar_thread, (int (*)(void *))bar->run, bar);
/* Now unblock. We should be only thread receiving SIGINT */
/* Now unblock. We should be only thread receiving SIGINT/SIGTERM */
pthread_sigmask(SIG_UNBLOCK, &signal_mask, NULL);
if (pid_file != NULL) {