sysdeps/unix/sysv/linux/openat64_nocancel.c

   1 /* Linux openat syscall implementation, LFS, non-cancellable.
   2    Copyright (C) 2018-2024 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <fcntl.h>
  20 #include <stdarg.h>
  21
  22 #include <sysdep-cancel.h>
  23 #include <not-cancel.h>
  24
  25 int
  26 __openat64_nocancel (int fd, const char *file, int oflag, ...)
  27 {
  28   mode_t mode = 0;
  29   if (__OPEN_NEEDS_MODE (oflag))
  30     {
  31       va_list arg;
  32       va_start (arg, oflag);
  33       mode = va_arg (arg, mode_t);
  34       va_end (arg);
  35     }
  36
  37   return INLINE_SYSCALL_CALL (openat, fd, file, oflag | O_LARGEFILE,
  38                               mode);
  39 }
  40 hidden_def (__openat64_nocancel)
  41
  42 #ifdef __OFF_T_MATCHES_OFF64_T
  43 strong_alias (__openat64_nocancel, __openat_nocancel)
  44 hidden_def (__openat_nocancel)
  45 #endif