ASR3/ASR3.1/TP06 Redirection tubes

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#include <unistd.h>
#include <stdio.h>
#include <fcntl.h>
#include <assert.h>
int main(int argc, char const *argv[]){
int p[2];
pipe (p);
pid_t pid = getpid();
/*Pf1 -*/
if (fork() == 0) {
printf("processeur pf1\n");
/*pf1f1*/
if (fork() == 0) {
read(p[0], &pid, 1 );
while (1) {
sleep(3);
printf("PID : %ld\n", pid);
}
}
close (p[0]);
}
/*Pf2 -> écrit*/
if (fork() == 0) {
//printf("while ok\n");
write (p[1], &pid, 1);
close (p[1]);
}
return 0;
}