#include <errno.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <signal.h>

pid_t pid;
int pipefd[2];

void handler(int signum)
{
        printf("In handler\n");
}


int main(void)
{
	pipe(pipefd);
	pid = fork();
	if (pid == 0){
		exit(0);
	}
	sleep(1);

	struct sigaction sa;
	sa.sa_handler = handler;
	sigemptyset(&sa.sa_mask);
	sa.sa_flags = 0;
	sigaction(SIGPIPE, &sa, NULL);

	close(pipefd[0]);
	int ret = write(pipefd[1], "aa", 2);
	printf("errno: %d\n", errno); //32 = EPIPE
	printf("ret: %d\n", ret);

	return 0;
}