getsockopt.c 1.2 KB

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  1. /* Copyright (C) 2015-2019 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. The GNU C Library is free software; you can redistribute it and/or
  4. modify it under the terms of the GNU Lesser General Public
  5. License as published by the Free Software Foundation; either
  6. version 2.1 of the License, or (at your option) any later version.
  7. The GNU C Library is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  10. Lesser General Public License for more details.
  11. You should have received a copy of the GNU Lesser General Public
  12. License along with the GNU C Library; if not, see
  13. <http://www.gnu.org/licenses/>. */
  14. #include <errno.h>
  15. #include <signal.h>
  16. #include <sys/socket.h>
  17. #include <socketcall.h>
  18. #include <kernel-features.h>
  19. #include <sys/syscall.h>
  20. int
  21. __getsockopt (int fd, int level, int optname, void *optval, socklen_t *len)
  22. {
  23. #ifdef __ASSUME_GETSOCKOPT_SYSCALL
  24. return INLINE_SYSCALL (getsockopt, 5, fd, level, optname, optval, len);
  25. #else
  26. return SOCKETCALL (getsockopt, fd, level, optname, optval, len);
  27. #endif
  28. }
  29. weak_alias (__getsockopt, getsockopt)