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[thirdparty/glibc.git] / sysdeps / unix / sysv / linux / epoll_wait.c

/* Linux epoll_wait syscall implementation.
   Copyright (C) 2017-2020 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library.  If not, see
   <https://www.gnu.org/licenses/>.  */

#include <stddef.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/epoll.h>

#include <sysdep-cancel.h>

int
epoll_wait (int epfd, struct epoll_event *events, int maxevents, int timeout)
{
#ifdef __NR_epoll_wait
  return SYSCALL_CANCEL (epoll_wait, epfd, events, maxevents, timeout);
#else
  return epoll_pwait (epfd, events, maxevents, timeout, NULL);
#endif
}