getpid.c 1.2 KB

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  1. /* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
  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 <unistd.h>
  16. #include <tls.h>
  17. #include <sysdep.h>
  18. #ifdef __NR_getxpid
  19. # undef __NR_getpid
  20. # define __NR_getpid __NR_getxpid
  21. #endif
  22. static pid_t
  23. __getpid (void)
  24. {
  25. INTERNAL_SYSCALL_DECL (err);
  26. pid_t result = INTERNAL_SYSCALL (getpid, err, 0);
  27. return result;
  28. }
  29. weak_alias(__getpid, getpid)
  30. libc_hidden_weak(getpid)
  31. #if !defined NOT_IN_libc && !defined __NR_getppid
  32. strong_alias(getpid,getppid)
  33. #endif