usr/klibc/__signal.c


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/*
 * __signal.c
 */

#include <signal.h>

__sighandler_t __signal(int signum, __sighandler_t handler, int flags)
{
	struct sigaction sa;

	sa.sa_handler = handler;
	sa.sa_flags = flags;
	sigemptyset(&sa.sa_mask);

	if (sigaction(signum, &sa, &sa)) {
		return (__sighandler_t) SIG_ERR;
	} else {
		return (__sighandler_t) sa.sa_handler;
	}
}