X-Git-Url: https://git.dlugolecki.net.pl/?a=blobdiff_plain;f=src%2Fprocess1.c;h=41e0ea4729508bc71bcdb70f7cf423ace48942f3;hb=b1c3c5ca4ac63d8e7f92cc130a75d2322b8a28d8;hp=b28563f4102faf831cf12deecd2ff440eb3b0216;hpb=f0a7f7a71896b25cc524598e5472c821f987a71c;p=wsti_so.git

diff --git a/src/process1.c b/src/process1.c
index b28563f..41e0ea4 100644
--- a/src/process1.c
+++ b/src/process1.c
@@ -46,6 +46,19 @@ struct message {
 
 struct message * processes = NULL;
 
+/**
+ * Message queue variables
+ */
+key_t qkey;
+int qid_input;
+
+int qid_output1;
+int qid_output2;
+
+struct queue_message {
+	int signo;
+};
+
 /**
  * Handler for signals.
  */
@@ -53,9 +66,13 @@ void sig_handler(int signo)
 {
 	fprintf(stderr, "[%s] Received %s!\n", "process1", strsignal(signo));
 	if (signo == SIGUSR1) {
+		fprintf(stderr, "[%s] > Notified!\n", "process3");
 	}
 	else if (signo == SIGTERM) {
 		int i = 0;
+		struct queue_message msg;
+		msg.signo = signo;
+
 		fprintf(stderr, "[%s] > Releasing resources\n", "process1");
 		close(write_pipe);
 		unlink(write_pipe);
@@ -65,7 +82,13 @@ void sig_handler(int signo)
 			buffer = NULL;
 		}
 		for (; i < 3; i++) {
-			fprintf(stderr, "[%s] Process %d, PID: %d\n", "process3", i, processes->pids[i]);
+			pid_t pid = processes->pids[i];
+			fprintf(stderr, "[%s] Process %d, PID: %d\n", "process3", i, pid);
+			// Bleh
+			if (i != 0) {
+				msgsnd(pid, &msg, sizeof(msg));
+				kill(pid, SIGUSR1);
+			}
 		}
 		exit(0);
 	}
@@ -127,6 +150,18 @@ int main(void) {
 	processes = (struct message *)shmat(shmid, NULL, 0);
 	processes->pids[0] = getpid();
 
+	fprintf(stderr, "[%s] Shared pid: %d\n", "process1", getpid());
+
+	sleep(1);
+	/**
+	 * Register message queue to communicate with other processes
+	 */
+	qkey = getpid();
+	qid_input = msgget(qkey, IPC_CREAT | 0666);
+	
+	qid_output1 = msgget(processes->pids[1], IPC_CREAT | 0666);
+	qid_output2 = msgget(processes->pids[2], IPC_CREAT | 0666);
+	
 	mkfifo(write_pipe, 0666);
 
 	file_descriptor = open(write_pipe, O_WRONLY);