exo4

tp/tp3/src/exo4.c

@@ -0,0 +1,32 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <sys/wait.h>
+int main(int argc, char *argv[])
+{
+	pid_t p;
+	int status;
+	p = fork();
+	assert( p >= 0);
+
+	if ( p == 0){
+		printf("@retour de fork = %d pid = %d ppid = %d\n",p,getpid(),getppid());
+		sleep(4);
+		exit(2);
+	}
+
+	printf("@retour de fork = %d pid = %d ppid = %d\n",p,getpid(),getppid());
+
+	assert( wait(&status) >= 0);
+
+	if (WIFEXITED(status))
+	printf("code retour fils = %d\n",WEXITSTATUS(status));
+
+	execlp("ls","totototo","-l","/",NULL);
+	
+	/* code ici */
+	assert(0);
+
+	return 0;
+}