UNIX Socket FAQ

faouzi

Member

Registered: 2012-01-25

Posts: 1

how to create 03 child using c language

i want to create 03 child using the function fork ()
but how i konw the  first child and the second child because
the first child must send a signal  SIGUSR1 to his father
the second child must send a signal  SIGUSR2 to his father

finaly thank you

i3839

Oddministrator

From: Amsterdam

Registered: 2003-06-07

Posts: 2,239

Re: how to create 03 child using c language

Just call fork() and check the return value to distinguish
between the parent and the child process. Something like:

int create_child(int signal)
{
	int pid;
	
	pid = fork();
	if (pid == 0){
		/* Child code here */
		kill(getppid(), signal);
		exit(0);
	} else if (pid < 0){
		perror("Fork failed")
		return 1;
	}
	/* Return to parent */
	return 0;
}

fouzi

Guest

Re: how to create 03 child using c language

thank you so much