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slave: re-use ‘struct sigaction’ variable when resetting SIGHUP+SIGPIPE

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Daniel Eklöf 2021-12-18 23:22:52 +01:00
parent fb488b6162
commit 027603cbb8
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1 changed files with 4 additions and 2 deletions
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slave.c
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@ -275,11 +275,13 @@ slave_spawn(int ptmx, int argc, const char *cwd, char *const *argv,
} }
/* Restore signal mask, and SIG_IGN'd signals */ /* Restore signal mask, and SIG_IGN'd signals */
const struct sigaction dfl = {.sa_handler = SIG_DFL};
sigset_t mask; sigset_t mask;
sigemptyset(&mask); sigemptyset(&mask);
if (sigprocmask(SIG_SETMASK, &mask, NULL) < 0 || if (sigprocmask(SIG_SETMASK, &mask, NULL) < 0 ||
sigaction(SIGHUP, &(struct sigaction){.sa_handler = SIG_DFL}, NULL) < 0 || sigaction(SIGHUP, &dfl, NULL) < 0 ||
sigaction(SIGPIPE, &(struct sigaction){.sa_handler = SIG_DFL}, NULL) < 0) sigaction(SIGPIPE, &dfl, NULL) < 0)
{ {
const int errno_copy = errno; const int errno_copy = errno;
LOG_ERRNO_P(errno, "failed to restore signals"); LOG_ERRNO_P(errno, "failed to restore signals");