glibc/sysdeps/unix/sysv/linux/copy_file_range.c
Florian Weimer a72ae22d5d Linux: copy_file_range syscall number is always available
Due to the built-in tables, __NR_copy_file_range is always defined.

Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
2020-03-03 12:11:01 +01:00

31 lines
1.1 KiB
C

/* Linux implementation of copy_file_range.
Copyright (C) 2017-2020 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
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <sysdep-cancel.h>
#include <unistd.h>
ssize_t
copy_file_range (int infd, __off64_t *pinoff,
int outfd, __off64_t *poutoff,
size_t length, unsigned int flags)
{
return SYSCALL_CANCEL (copy_file_range, infd, pinoff, outfd, poutoff,
length, flags);
}