Le PETIT avancement

SCR3.1/TP4/mytimeout.c

@@ -0,0 +1,24 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <signal.h>
+
+void kill_son(int){
+	if
+int main(int argc, char **argv){
+	if (argc < 3){
+		printf("Usage : %s <nbsec> <com> [arg]", argv[0]);
+		return EXIT_FAILURE;
+	}
+	int secondes = (int) strtod(argv[1], NULL);
+	pid_t p;
+	p = fork();
+	switch(p){
+		case 0 :
+
+			execl("/usr/bin/sh" , "-c", argv[2]) 
+		case -1:
+
+		default:
+

SCR3.1/TP4/pi.c

@@ -11,9 +11,12 @@ uint64_t shots = 0,
 		 shots_in = 0;
 
 double pi = 0, t1;
+sigset_t inset, quiset, alset;
+
 
 void int_handler(int){
 	alarm(0);
+	sigprocmask(SIG_BLOCK, &inset, NULL);
 	char c;
 	printf("Le programme tourne depuis %f secondes, voulez-vous vraiment l'arrêter ? (O)ui / (N)on", tstamp() - t1);
 	c = getchar();
@@ -22,21 +25,26 @@ void int_handler(int){
 	}
 	else{
 		return;
+		sigprocmask(SIG_UNBLOCK, &inset, NULL);
 		alarm(5);
 	}
 }
 
 void alarm_handler(int){
+	sigprocmask(SIG_BLOCK, &alset, NULL);
 	printf("Valeur de pi en cours = %f\n", pi);
 	printf("Nombre de tirs effectués = %f\n", (double) shots);
 	alarm(5);
+	sigprocmask(SIG_UNBLOCK, &alset, NULL);
 }
 
 void quit_handler(int){
 	alarm(0);
+	sigprocmask(SIG_BLOCK, &quiset, NULL);
 	shots = 0;
 	shots_in = 0;
 	t1 = tstamp();
+	sigprocmask(SIG_UNBLOCK, &quiset, NULL);
 	alarm(5);
 }
 
@@ -45,6 +53,12 @@ int main(int argc,char * argv[])
 	double x,y;
 	t1 = tstamp();
 	alarm(5);
+	sigaddset(&alset, SIGINT);
+	sigaddset(&alset, SIGQUIT);
+	sigaddset(&inset, SIGALRM);
+	sigaddset(&inset, SIGQUIT);
+	sigaddset(&quiset, SIGINT);
+	sigaddset(&quiset, SIGALRM);
 	set_signal_handler(SIGALRM, &alarm_handler);
         set_signal_handler(SIGINT, &int_handler);	
 	set_signal_handler(SIGQUIT, &quit_handler); 

SCR3.1/TP4/test.c

@@ -0,0 +1,8 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(){
+	int t[4] = {1, 2, 3, 4}, u[2] = t[1:];
+	return 0;
+}
+