i32 clean_up()
{
i32 ret = PASS;
ret = remove_message_queue();
if(ret == PASS){
app2_log("Success in removing all the mesasge queue\n");
} else {
app2_elog("Error in removing all the message queue\n");
}
return ret;
}
/**
* sets up the message queue, and listens for clients to connect.
*
* @function main
*
* @date 2015-02-10
*
* @revision none
*
* @designer EricTsang
*
* @programmer EricTsang
*
* @note none
*
* @signature int main(void)
*
* @return return code, indication the nature of process termination.
*/
int main(void)
{
int exitCode;
/* set up signal handler to remove IPC. */
previousSigHandler = signal(SIGINT, sigint_handler);
/* create the message queue. */
make_message_queue(&msgQId);
/* execute main loop of the server. */
exitCode = msgq_read_loop(msgQId);
/* remove message queue. */
remove_message_queue(msgQId);
/* end program... */
return exitCode;
}
/**
* signal enqueues a stop server message into the server's message queue.
*
* @function sigint_handler
*
* @date 2015-02-10
*
* @revision none
*
* @designer EricTsang
*
* @programmer EricTsang
*
* @note
*
* signal enqueues a stop server message into the server's message queue, so
* that when the server parses the message, it will break out of the server
* loop, and end normally.
*
* @signature static int sigint_handler(int sigNum)
*
* @param sigNum type of signal received
*/
static void sigint_handler(int sigNum)
{
remove_message_queue(msgQId);
exit(sigNum);
}