segnali

src/F4Server.c

@@ -1,11 +1,20 @@
 #include <sys/types.h>
 #include <sys/ipc.h>
 #include <sys/shm.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <stdio.h>
 
 #include <server.h>
 #include <structures.h>
 #include <custom_sem.h>
 #include <custom_shm.h>
+#include <errExit.h>
+
+void sigHandler(int sig) {
+    //TODO:
+    exit(0);
+}
 
 
 int main(int argc, char *argv[]){
@@ -17,6 +26,15 @@ int main(int argc, char *argv[]){
     // si potrebbe mettere in server.c
     int semid = getSemid(ftok(KEYFILE, 'k'), 2);
 
+    sigset_t mySet;
+    sigfillset(&mySet);
+    sigdelset(&mySet, SIGINT);
+    sigprocmask(SIG_SETMASK, &mySet, NULL);
+
+    if (signal(SIGINT, sigHandler) == SIG_ERR)
+        errExitMsg("signal");
+
+
     resetServerSem(semid);
 
     semOp(semid, 0, 2); // aperurta semaforo per connessione dei due client