From 720c45c786b902933b74162b1b05b04ab0be97a2 Mon Sep 17 00:00:00 2001
From: =?utf8?q?J=C3=A9r=C3=B4me=20Benoit?= <jerome.benoit@piment-noir.org>
Date: Mon, 5 Jun 2017 21:49:58 +0200
Subject: [PATCH] Implement fully the latest TD1's exercice
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Signed-off-by: Jérôme Benoit <jerome.benoit@piment-noir.org>
---
 .gitignore                   |  2 ++
 TD1/part_three/balle/balle.c |  6 +++---
 TD1/part_three/lanceur.c     | 16 +++++++++++++++-
 3 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/.gitignore b/.gitignore
index f7925e5..063ef1e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,6 @@
 exo*
+lanceur
+balle
 *.static
 *.dynamic
 # for cygwin
diff --git a/TD1/part_three/balle/balle.c b/TD1/part_three/balle/balle.c
index 7881ec5..15b351b 100644
--- a/TD1/part_three/balle/balle.c
+++ b/TD1/part_three/balle/balle.c
@@ -10,11 +10,11 @@
 int main() {
 
     srand(time(NULL));
-    int randValue = rand() % 5 + 1;
+    int randvalue = rand() % 5 + 1;
 
     printf("[%d] Je suis la balle et je vole\n", getpid());
 
-    sleep(randValue);
+    sleep(randvalue);
 
-    return EXIT_SUCCESS;
+    return randvalue;
 }
diff --git a/TD1/part_three/lanceur.c b/TD1/part_three/lanceur.c
index 40ee7dd..df339c0 100644
--- a/TD1/part_three/lanceur.c
+++ b/TD1/part_three/lanceur.c
@@ -7,11 +7,25 @@
 #include <unistd.h>
 
 int main() {
+    int child_rt_status = 0;
 
     printf("[%d] Je suis le lanceur\n", getpid());
     printf("[%d] Je lance la balle\n", getpid());
 
-    execl("/Users/fraggle/src/TD_IML-git/TD1/part_three/balle/balle", "balle");
+    pid_t cpid = fork();
+    if (cpid < 0) {
+        perror("fork failure\n");
+        exit(EXIT_FAILURE);
+    }
+
+    if (cpid == 0) {
+        execl("/home/fraggle/src/TD_IML-git/TD1/part_three/balle/balle", "balle", (char*)NULL);
+        perror("execl failure\n");
+        exit(EXIT_FAILURE);
+    } else {
+        wait(&child_rt_status);
+        printf("[%d] La balle est arrivee apres %d secondes\n", getpid(), WEXITSTATUS(child_rt_status));
+    }
 
     return EXIT_SUCCESS;
 }
-- 
2.34.1