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/* Copyright (C) 2005-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <fcntl.h>
#include <stdarg.h>
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <sysdep-cancel.h>
#include <not-cancel.h>
#ifndef OPENAT
# define OPENAT openat
#endif
#define OPENAT_NOT_CANCEL CONCAT (OPENAT)
#define CONCAT(name) CONCAT2 (name)
#define CONCAT2(name) __##name##_nocancel
int
OPENAT_NOT_CANCEL (int fd, const char *file, int oflag, mode_t mode)
{
/* We have to add the O_LARGEFILE flag for openat64. */
#ifdef MORE_OFLAGS
oflag |= MORE_OFLAGS;
#endif
return INLINE_SYSCALL (openat, 4, fd, file, oflag, mode);
}
#define UNDERIZE(name) UNDERIZE_1 (name)
#define UNDERIZE_1(name) __##name
#define __OPENAT UNDERIZE (OPENAT)
/* Open FILE with access OFLAG. Interpret relative paths relative to
the directory associated with FD. If OFLAG includes O_CREAT, a
third argument is the file protection. */
int
__OPENAT (int fd, const char *file, int oflag, ...)
{
mode_t mode = 0;
if (oflag & O_CREAT)
{
va_list arg;
va_start (arg, oflag);
mode = va_arg (arg, mode_t);
va_end (arg);
}
if (SINGLE_THREAD_P)
return OPENAT_NOT_CANCEL (fd, file, oflag, mode);
int oldtype = LIBC_CANCEL_ASYNC ();
int res = OPENAT_NOT_CANCEL (fd, file, oflag, mode);
LIBC_CANCEL_RESET (oldtype);
return res;
}
libc_hidden_def (__OPENAT)
weak_alias (__OPENAT, OPENAT)
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