server.c

  while (serverRunning) {
        CHECK_IS_POSITIVE(msgrcv(publicServerQueueID, &readMessage, MESSAGE_SIZE, 0, 0));
        runCommand(&readMessage);
    }
    struct msqid_ds queueState;
    CHECK_IS_POSITIVE_ERROR(msgctl(publicServerQueueID, IPC_STAT, &queueState),"er0");
    while (queueState.msg_qnum) {
        CHECK_IS_POSITIVE_ERROR(msgctl(publicServerQueueID, IPC_STAT, &queueState),"ER1");
        CHECK_FALSE(msgrcv(publicServerQueueID, &readMessage, MESSAGE_SIZE, 0, 0)<0,"Failed to read remaining commands");
        runCommand(&readMessage);
    }