path: root / Year 3 / System programming / Practice08 / ex3.c


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#include <stdio.h>
#include <signal.h>
#include <sys/types.h>
#include <unistd.h>

void usr1Handler(int a) {
}

int main() {
	signal(SIGUSR1, &usr1Handler);

	int fp = fork();
	if (fp == 0) { // child
		printf("child\n");
		kill(getppid(), SIGUSR1);
	}
	else {
		pause();
		printf("child finished\n");
	}

	return 0;
}