1 /*
2 * Copyright 2014, The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #ifndef _EPOLL_PORTABLE_H_
18 #define _EPOLL_PORTABLE_H_
19
20 #include <portability.h>
21 #include <signal.h>
22 #include <stdint.h>
23 #include <sys/epoll.h>
24
25 struct epoll_event_portable
26 {
27 uint32_t events;
28 uint8_t __padding[4];
29 epoll_data_t data;
30 };
31
32
WRAP(epoll_ctl)33 int WRAP(epoll_ctl)(int epfd, int op, int fd, struct epoll_event_portable *event)
34 {
35 struct epoll_event machine_epoll_event;
36
37 machine_epoll_event.events = event->events;
38 machine_epoll_event.data = event->data;
39
40 return REAL(epoll_ctl)(epfd, op, fd, &machine_epoll_event);
41 }
42
WRAP(epoll_wait)43 int WRAP(epoll_wait)(int epfd, struct epoll_event_portable *events, int max, int timeout)
44 {
45 struct epoll_event machine_epoll_event;
46 int ret = REAL(epoll_wait)(epfd, &machine_epoll_event, max, timeout);
47
48 events->events = machine_epoll_event.events;
49 events->data = machine_epoll_event.data;
50
51 return ret;
52 }
53
WRAP(epoll_pwait)54 int WRAP(epoll_pwait)(int fd, struct epoll_event_portable* events, int max_events, int timeout, const sigset_t* ss)
55 {
56 struct epoll_event machine_epoll_event;
57 int ret = REAL(epoll_pwait)(fd, &machine_epoll_event, max_events, timeout, ss);
58
59 events->events = machine_epoll_event.events;
60 events->data = machine_epoll_event.data;
61
62 return ret;
63 }
64
65 #endif /* _EPOLL_PORTABLE_H */
66