epoll_wait.c 1.2 KB

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  1. /* Linux epoll_wait syscall implementation.
  2. Copyright (C) 2017-2019 Free Software Foundation, Inc.
  3. This file is part of the GNU C Library.
  4. The GNU C Library is free software; you can redistribute it and/or
  5. modify it under the terms of the GNU Lesser General Public
  6. License as published by the Free Software Foundation; either
  7. version 2.1 of the License, or (at your option) any later version.
  8. The GNU C Library is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. Lesser General Public License for more details.
  12. You should have received a copy of the GNU Lesser General Public
  13. License along with the GNU C Library. If not, see
  14. <http://www.gnu.org/licenses/>. */
  15. #include <stddef.h>
  16. #include <unistd.h>
  17. #include <sys/types.h>
  18. #include <sys/epoll.h>
  19. #include <sysdep-cancel.h>
  20. int
  21. epoll_wait (int epfd, struct epoll_event *events, int maxevents, int timeout)
  22. {
  23. #ifdef __NR_epoll_wait
  24. return SYSCALL_CANCEL (epoll_wait, epfd, events, maxevents, timeout);
  25. #else
  26. return epoll_pwait (epfd, events, maxevents, timeout, NULL);
  27. #endif
  28. }