Add 'ASR3.1/TP06 Redirection tubes / pipe-ex.c '

ASR3.1/TP06 Redirection tubes / pipe-ex.c

@@ -0,0 +1,49 @@
+#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;
+}