gcc/libgo/syscalls/sysfile_linux.go

39 lines
1.2 KiB
Go

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