1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/*
* Copyright (C) 2018 "IoT.bzh"
* Author José Bollo <jose.bollo@iot.bzh>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdint.h>
#include <sys/epoll.h>
/*
#include <stddef.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <poll.h>
#include <limits.h>
#include <sys/types.h>
#include <sys/socket.h>
*/
#include "pollitem.h"
static
int
pollitem_do(
pollitem_t *pollitem,
uint32_t events,
int pollfd,
int op
) {
struct epoll_event ev = { .events = events, .data.ptr = pollitem };
return epoll_ctl(pollfd, op, pollitem->fd, &ev);
}
int
pollitem_add(
pollitem_t *pollitem,
uint32_t events,
int pollfd
) {
return pollitem_do(pollitem, events, pollfd, EPOLL_CTL_ADD);
}
int
pollitem_mod(
pollitem_t *pollitem,
uint32_t events,
int pollfd
) {
return pollitem_do(pollitem, events, pollfd, EPOLL_CTL_MOD);
}
int
pollitem_del(
pollitem_t *pollitem,
int pollfd
) {
return pollitem_do(pollitem, 0, pollfd, EPOLL_CTL_DEL);
}
int
pollitem_wait_dispatch(
int pollfd,
int timeout
) {
int rc;
struct epoll_event ev;
pollitem_t *pi;
rc = epoll_wait(pollfd, &ev, 1, timeout);
if (rc == 1) {
pi = ev.data.ptr;
pi->handler(pi, ev.events, pollfd);
}
return rc;
}
|
