open64_nocancel.c 1.5 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354
  1. /* Linux open syscall implementation, LFS, 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 <sys/types.h>
  16. #include <sys/stat.h>
  17. #include <fcntl.h>
  18. #include <stdarg.h>
  19. #include <not-cancel.h>
  20. #ifdef __OFF_T_MATCHES_OFF64_T
  21. # define EXTRA_OPEN_FLAGS 0
  22. #else
  23. # define EXTRA_OPEN_FLAGS O_LARGEFILE
  24. #endif
  25. int
  26. __open64_nocancel (const char *file, int oflag, ...)
  27. {
  28. int mode = 0;
  29. if (__OPEN_NEEDS_MODE (oflag))
  30. {
  31. va_list arg;
  32. va_start (arg, oflag);
  33. mode = va_arg (arg, int);
  34. va_end (arg);
  35. }
  36. return INLINE_SYSCALL_CALL (openat, AT_FDCWD, file, oflag | EXTRA_OPEN_FLAGS,
  37. mode);
  38. }
  39. hidden_def (__open64_nocancel)
  40. #ifdef __OFF_T_MATCHES_OFF64_T
  41. strong_alias (__open64_nocancel, __open_nocancel)
  42. hidden_def (__open_nocancel)
  43. #endif