Function unblock_signal

src/timeout.c:393–401

}

static void
unblock_signal (int sig)
{
  sigset_t unblock_set;
  sigemptyset (&unblock_set);
  sigaddset (&unblock_set, sig);
  if (sigprocmask (SIG_UNBLOCK, &unblock_set, NULL) != 0)
    error (0, errno, _("warning: sigprocmask"));
}

static void
install_sigchld (void)