1 /* Linux open syscall implementation, LFS, non-cancellable.
2    Copyright (C) 2018-2021 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 #ifdef __OFF_T_MATCHES_OFF64_T
27 # define EXTRA_OPEN_FLAGS 0
28 #else
29 # define EXTRA_OPEN_FLAGS O_LARGEFILE
30 #endif
31 
32 int
__open64_nocancel(const char * file,int oflag,...)33 __open64_nocancel (const char *file, int oflag, ...)
34 {
35   int mode = 0;
36 
37   if (__OPEN_NEEDS_MODE (oflag))
38     {
39       va_list arg;
40       va_start (arg, oflag);
41       mode = va_arg (arg, int);
42       va_end (arg);
43     }
44 
45   return INLINE_SYSCALL_CALL (openat, AT_FDCWD, file, oflag | EXTRA_OPEN_FLAGS,
46 			      mode);
47 }
48 
49 hidden_def (__open64_nocancel)
50 
51 #ifdef __OFF_T_MATCHES_OFF64_T
52 strong_alias (__open64_nocancel, __open_nocancel)
53 hidden_def (__open_nocancel)
54 #endif
55