sysdeps/unix/sysv/linux/open64_nocancel.c

   1 /* Linux open syscall implementation, LFS, non-cancellable.
   2    Copyright (C) 2018-2023 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 <sys/types.h>
  20 #include <sys/stat.h>
  21 #include <fcntl.h>
  22 #include <stdarg.h>
  23
  24 #include <not-cancel.h>
  25
  26 int
  27 __open64_nocancel (const char *file, int oflag, ...)
  28 {
  29   int mode = 0;
  30
  31   if (__OPEN_NEEDS_MODE (oflag))
  32     {
  33       va_list arg;
  34       va_start (arg, oflag);
  35       mode = va_arg (arg, int);
  36       va_end (arg);
  37     }
  38
  39   return INLINE_SYSCALL_CALL (openat, AT_FDCWD, file, oflag | O_LARGEFILE,
  40                               mode);
  41 }
  42
  43 hidden_def (__open64_nocancel)
  44
  45 #ifdef __OFF_T_MATCHES_OFF64_T
  46 strong_alias (__open64_nocancel, __open_nocancel)
  47 hidden_def (__open_nocancel)
  48 #endif