+ exemple ipc/signal

code/Makefile

@@ -19,3 +19,5 @@ arguments:	arguments.c Makefile
 no-op:		no-op.c Makefile
 	gcc -Wall $< -o $@
 
+get-signal:	get-signal.c Makefile
+	gcc -Wall $< -o $@

code/get-signal.c

@@ -0,0 +1,30 @@
+/*               get-signal.c             */
+
+#include  <stdio.h>
+#include  <unistd.h>
+#include  <signal.h>
+
+volatile int drapeau;
+
+void attraper(int value)
+{
+drapeau = 1;
+}
+
+int main(int argc, char *argv[])
+{
+int		foo;
+
+printf("kill me, my pid is %d\n", getpid());
+signal(SIGUSR1, attraper);
+
+for (foo=0; foo<1337; foo++) {
+	if (drapeau) {
+		printf("count is %d\n", foo);
+		drapeau = 0;
+		}
+	sleep(1);	/* simulate heavy computing */
+	}
+return 0;
+}
+