1 // sysfile_linux.go -- Linux specific file handling.
3 // Copyright 2010 The Go Authors. All rights reserved.
4 // Use of this source code is governed by a BSD-style
5 // license that can be found in the LICENSE file.
7 // Support for basic Unix file operations. This file simply
8 // translates from Go data types to Unix data types, and handles
9 // errno. FIXME: This could probably be done mechanically.
15 func libc_pread(fd
int, buf
*byte, count Size_t
, offset Offset_t
) Ssize_t
__asm__ ("pread64")
16 func libc_pwrite(fd
int, buf
*byte, count Size_t
, offset Offset_t
) Ssize_t
__asm__ ("pwrite64")
17 func libc_lseek64(int, Offset_t
, int) Offset_t
__asm__ ("lseek64")
18 func libc_truncate64(path
*byte, length Offset_t
) int __asm__ ("truncate64")
19 func libc_ftruncate64(fd
int, length Offset_t
) int __asm__ ("ftruncate64")
20 func libc_setgroups(size Size_t
, list
*Gid_t
) int __asm__ ("setgroups")
22 func Sleep(nsec
int64) (errno
int) {
23 tv
:= NsecToTimeval(nsec
);
24 n
, err
:= Select(0, nil, nil, nil, &tv
);
28 func Setgroups(gids
[]int) (errno
int) {
30 return libc_setgroups(0, nil);
33 a
:= make([]Gid_t
, len(gids
));
34 for i
, v
:= range gids
{
37 return libc_setgroups(Size_t(len(a
)), &a
[0]);