diff options
Diffstat (limited to 'libgo/syscalls/sysfile_linux.go')
-rw-r--r-- | libgo/syscalls/sysfile_linux.go | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/libgo/syscalls/sysfile_linux.go b/libgo/syscalls/sysfile_linux.go new file mode 100644 index 00000000000..3e77e900caf --- /dev/null +++ b/libgo/syscalls/sysfile_linux.go @@ -0,0 +1,38 @@ +// 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]); +} |