1 /* Linux epoll_wait syscall implementation.
2 Copyright (C) 2017-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library. If not, see
17 <https://www.gnu.org/licenses/>. */
18
19 #include <stddef.h>
20 #include <unistd.h>
21 #include <sys/types.h>
22 #include <sys/epoll.h>
23
24 #include <sysdep-cancel.h>
25
26 int
epoll_wait(int epfd,struct epoll_event * events,int maxevents,int timeout)27 epoll_wait (int epfd, struct epoll_event *events, int maxevents, int timeout)
28 {
29 #ifdef __NR_epoll_wait
30 return SYSCALL_CANCEL (epoll_wait, epfd, events, maxevents, timeout);
31 #else
32 return epoll_pwait (epfd, events, maxevents, timeout, NULL);
33 #endif
34 }
35