"debut TD0"

2019-2020/S3T_TP_05_PROCESSUS-4-SIGNAUX/Demonstrations/demo_alarm.c

@@ -0,0 +1,25 @@
+/**********************************************************/
+/* DUT INFORMATIQUE - M311 - R. CHIGNOLI                  */                                                
+/* demo_alarm.c : Utilisation du signal SIGALRM par alarm */                                                                                                                  
+/**********************************************************/
+ 
+#include <stdio.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <unistd.h>
+
+void rep_SIGALRM ()
+{ printf ("\n*** Processus %d : Signal SIGALRM recu\n\n", getpid());
+  exit(0);
+}
+
+int main (int argc, char* argv[])
+{
+ int res;
+ assert (argc == 2);
+ signal (SIGALRM,  rep_SIGALRM);
+ printf ("\n*** Processus %d : Je m' endors ......\n", getpid());
+ res = alarm (atoi(argv[1]));
+ for (;;);
+}