/*
 *  Author : WangBoJing , email : 1989wangbojing@gmail.com
 * 
 *  Copyright Statement:
 *  --------------------
 *  This software is protected by Copyright and the information contained
 *  herein is confidential. The software may not be copied and the information
 *  contained herein may not be used or disclosed except with the written
 *  permission of Author. (C) 2017
 * 
 *

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#include <sys/eventfd.h>

#include "nty_coroutine.h"


int nty_epoller_create(void) {
	return epoll_create(1024);
} 

int nty_epoller_wait(struct timespec t) {
	nty_schedule *sched = nty_coroutine_get_sched();
	return epoll_wait(sched->poller_fd, sched->eventlist, NTY_CO_MAX_EVENTS, t.tv_sec*1000.0 + t.tv_nsec/1000000.0);
}

int nty_epoller_ev_register_trigger(void) {
	nty_schedule *sched = nty_coroutine_get_sched();

	if (!sched->eventfd) {
		sched->eventfd = eventfd(0, EFD_NONBLOCK);
		assert(sched->eventfd != -1);
	}

	struct epoll_event ev;
	ev.events = EPOLLIN;
	ev.data.fd = sched->eventfd;
	int ret = epoll_ctl(sched->poller_fd, EPOLL_CTL_ADD, sched->eventfd, &ev);

	assert(ret != -1);
}