path: root/tvapi/libtv/tvutils/zepoll.cpp (plain)
blob: 56f65534d2c449c2ffb70e4fccf97cd1f2a7788c

1	#include "zepoll.h"
2
3
4	Epoll::Epoll(int _max, int maxevents): max(_max),
5	epoll_fd(-1),
6	epoll_timeout(-1),
7	epoll_maxevents(maxevents),
8	backEvents(0)
9	{
10
11	}
12
13	Epoll::~Epoll()
14	{
15	if (isValid()) {
16	close(epoll_fd);
17	}
18	delete[] backEvents;
19	}
20
21
22	inline
23	bool Epoll::isValid() const
24	{
25	return epoll_fd > 0;
26	}
27
28	void Epoll::setTimeout(int timeout)
29	{
30	epoll_timeout = timeout;
31	}
32
33	inline
34	void Epoll::setMaxEvents(int maxevents)
35	{
36	epoll_maxevents = maxevents;
37	}
38
39	inline
40	const epoll_event *Epoll::events() const
41	{
42	return backEvents;
43	}
44
45
46
47	int Epoll::create()
48	{
49	epoll_fd = ::epoll_create(max);
50	if (isValid()) {
51	backEvents = new epoll_event[epoll_maxevents];
52	}
53	return epoll_fd;
54	}
55
56	int Epoll::add(int fd, epoll_event *event)
57	{
58	if (isValid()) {
59	return ::epoll_ctl(epoll_fd, ADD, fd, event);
60	}
61	return -1;
62
63	}
64
65	int Epoll::mod(int fd, epoll_event *event)
66	{
67	if (isValid()) {
68	return ::epoll_ctl(epoll_fd, MOD, fd, event);
69	}
70	return -1;
71
72	}
73
74	int Epoll::del(int fd, epoll_event *event)
75	{
76	if (isValid()) {
77	return ::epoll_ctl(epoll_fd, DEL, fd, event);
78	}
79	return -1;
80	}
81
82	int Epoll::wait()
83	{
84	if (isValid()) {
85	return ::epoll_wait(epoll_fd, backEvents, epoll_maxevents, epoll_timeout);
86	}
87	return -1;
88	}
89