Function sigdflt

freebsd/kern/kern_sig.c:966–976

* Reset specified signal to the default disposition. */

 * Reset specified signal to the default disposition.
 */
static void
sigdflt(struct sigacts *ps, int sig)
{

	mtx_assert(&ps->ps_mtx, MA_OWNED);
	SIGDELSET(ps->ps_sigcatch, sig);
	if ((sigprop(sig) & SIGPROP_IGNORE) != 0 && sig != SIGCONT)
		SIGADDSET(ps->ps_sigignore, sig);
	ps->ps_sigact[_SIG_IDX(sig)] = SIG_DFL;
	SIGDELSET(ps->ps_siginfo, sig);
}

/*
 * Reset signals for an exec of the specified process.