ajout fichiers TP

Controle/Exercice 1/A.c

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+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+
+int main(int argc, char const *argv[]) {
+	char* arg[3] = {"B1", "1", NULL};
+	if (!fork()) {
+		execvp("B1", arg);
+	} else {
+		if (!fork()) {
+			arg[1] = "2";
+			execvp("B1", arg);
+		}
+	}
+	sleep(5);
+	return EXIT_SUCCESS;
+}

Controle/Exercice 1/B1.c

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+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+
+int main(int argc, char const *argv[]) {
+	char* arg[2] = {NULL, NULL};
+	if (!fork()) {
+		if (argv[1][0] == '1') {
+			arg[0] = "C1";
+		} else {
+			arg[0] = "C2";
+		}
+		execvp(arg[0], arg);
+	}
+	sleep(5);
+	return EXIT_SUCCESS;
+}

Controle/Exercice 1/C1.c

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+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+
+int main(int argc, char const *argv[]) {
+	sleep(5);
+	return EXIT_SUCCESS;
+}

Controle/Exercice 1/C2.c

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+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+
+int main(int argc, char const *argv[]) {
+	sleep(5);
+	return EXIT_SUCCESS;
+}

Controle/Exercice 1/Makefile

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+CC=gcc
+
+
+A: A.o B1
+	$(CC) -o A A.o
+
+B1: B1.o C1 C2
+	$(CC) -o B1 B1.o
+
+C1: C1.o
+	$(CC) -o C1 C1.o
+
+C2: C2.o
+	$(CC) -o C2 C2.o
+
+
+run:
+	A

Controle/Exercice 1/ok.txt

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+watch -n 1 ps -o cmd -C A,B1,C1,C2 --forest   dans un autre terminal