waitpid_nocancel.c 1.2 KB

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  1. /* Linux waitpid syscall implementation -- non-cancellable.
  2. Copyright (C) 2018-2019 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 <errno.h>
  16. #include <sysdep-cancel.h>
  17. #include <stdlib.h>
  18. #include <sys/wait.h>
  19. #include <not-cancel.h>
  20. __pid_t
  21. __waitpid_nocancel (__pid_t pid, int *stat_loc, int options)
  22. {
  23. #ifdef __NR_waitpid
  24. return INLINE_SYSCALL_CALL (waitpid, pid, stat_loc, options);
  25. #else
  26. return INLINE_SYSCALL_CALL (wait4, pid, stat_loc, options, NULL);
  27. #endif
  28. }
  29. libc_hidden_def (__waitpid_nocancel)