Function start_timer_processes

timer.c:701–753

int start_timer_processes(void)
{
	int id;
	const struct internal_fork_params
	    ifp_tk = {
		.proc_desc = "time_keeper",
		.flags = OSS_PROC_NO_IPC|OSS_PROC_NO_LOAD,
		.type = TYPE_NONE,
	    },
	    ifp_timer = {
		.proc_desc = "timer",
		.flags = OSS_PROC_NO_IPC|OSS_PROC_NO_LOAD,
		.type = TYPE_NONE,
	};

	/*
	 * A change of the way timers were run. In the pre-1.5 times,
	 * all timer processes had their own jiffies and just the first
	 * one was doing the global ones. Now, there's a separate process
	* that increases jiffies - run_timer_process_jif(), and the rest
	 * just use that one.
	 *
	 * The main reason for this change was when a function that relied
	 * on jiffies for its timeouts got called from the timer thread and
	 * was unable to detect timeouts.
	 */
	if ( (id=internal_fork(&ifp_tk))<0 ) {
		LM_CRIT("cannot fork time keeper process\n");
		goto error;
	} else if (id==0) {
		/* new process */
		clean_write_pipeend();

		run_timer_process_jif();
		exit(-1);
	}

	/* fork a timer-trigger process */
	if ( (id=internal_fork(&ifp_timer))<0 ) {
		LM_CRIT("cannot fork timer process\n");
		goto error;
	} else if (id==0) {
		/* new process */
		clean_write_pipeend();

		run_timer_process( );
		exit(-1);
	}

	return 0;
error:
	return -1;
}


inline static int handle_io(struct fd_map* fm, int idx,int event_type)