ipc_queue_messasing_consumer.c

#include <stdio.h>
#include <sys/ipc.h>
#include <sys/msg.h>
 
// structure for message queue
struct mesg_buffer {
    long mesg_type;
    char mesg_text[100];
} message;
 
int main()
{
    key_t key;
    int msgid;
 
    // ftok to generate unique key
    key = ftok("progfile", 65);
 
    // msgget creates a message queue
    // and returns identifier
    msgid = msgget(key, 0666 | IPC_CREAT);
 
    // msgrcv to receive message
    msgrcv(msgid, &message, sizeof(message), 1, 0);
 
    // display the message
    printf("Data Received is : %s \n",
                    message.mesg_text);
 
    // to destroy the message queue
    msgctl(msgid, IPC_RMID, NULL);
 
    return 0;
}