shithub: scc

ref: 506996ff232e60e27138297823a4e8ce01668548
dir: /lib/c/target/posix/signal.c/

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#include <stddef.h>
#include <signal.h>
#include <sys.h>
#undef signal

void
(*signal(int signum, void (*func)(int)))(int)
{
	struct sigaction sa = {
		.sa_handler = func,
	};

	if (_sigaction(signum, &sa, &sa) < 0)
		return SIG_ERR;

	return sa.sa_handler;
}