mirror of
https://github.com/golang/go
synced 2024-10-05 12:21:22 -06:00
85 lines
2.2 KiB
Go
85 lines
2.2 KiB
Go
|
// Copyright 2009 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.
|
||
|
|
||
|
package syscall
|
||
|
|
||
|
// File operations for Linux
|
||
|
|
||
|
import syscall "syscall"
|
||
|
|
||
|
const NameBufsize = 512
|
||
|
|
||
|
export func open(name string, mode int64, perm int64) (ret int64, errno int64) {
|
||
|
var namebuf [NameBufsize]byte;
|
||
|
if !StringToBytes(&namebuf, name) {
|
||
|
return -1, ENAMETOOLONG
|
||
|
}
|
||
|
r1, r2, err := Syscall(SYS_OPEN, BytePtr(&namebuf[0]), mode, perm);
|
||
|
return r1, err;
|
||
|
}
|
||
|
|
||
|
export func creat(name string, perm int64) (ret int64, errno int64) {
|
||
|
var namebuf [NameBufsize]byte;
|
||
|
if !StringToBytes(&namebuf, name) {
|
||
|
return -1, ENAMETOOLONG
|
||
|
}
|
||
|
r1, r2, err := Syscall(SYS_OPEN, BytePtr(&namebuf[0]), O_CREAT|O_WRONLY|O_TRUNC, perm);
|
||
|
return r1, err;
|
||
|
}
|
||
|
|
||
|
export func close(fd int64) (ret int64, errno int64) {
|
||
|
r1, r2, err := Syscall(SYS_CLOSE, fd, 0, 0);
|
||
|
return r1, err;
|
||
|
}
|
||
|
|
||
|
export func read(fd int64, buf *byte, nbytes int64) (ret int64, errno int64) {
|
||
|
r1, r2, err := Syscall(SYS_READ, fd, BytePtr(buf), nbytes);
|
||
|
return r1, err;
|
||
|
}
|
||
|
|
||
|
export func write(fd int64, buf *byte, nbytes int64) (ret int64, errno int64) {
|
||
|
r1, r2, err := Syscall(SYS_WRITE, fd, BytePtr(buf), nbytes);
|
||
|
return r1, err;
|
||
|
}
|
||
|
|
||
|
export func pipe(fds *[2]int64) (ret int64, errno int64) {
|
||
|
var t [2] int32;
|
||
|
r1, r2, err := Syscall(SYS_PIPE, Int32Ptr(&t[0]), 0, 0);
|
||
|
if r1 < 0 {
|
||
|
return r1, err;
|
||
|
}
|
||
|
fds[0] = int64(t[0]);
|
||
|
fds[1] = int64(t[1]);
|
||
|
return 0, 0;
|
||
|
}
|
||
|
|
||
|
export func stat(name string, buf *Stat) (ret int64, errno int64) {
|
||
|
var namebuf [NameBufsize]byte;
|
||
|
if !StringToBytes(&namebuf, name) {
|
||
|
return -1, ENAMETOOLONG
|
||
|
}
|
||
|
r1, r2, err := Syscall(SYS_STAT, BytePtr(&namebuf[0]), StatPtr(buf), 0);
|
||
|
return r1, err;
|
||
|
}
|
||
|
|
||
|
export func lstat(name *byte, buf *Stat) (ret int64, errno int64) {
|
||
|
r1, r2, err := Syscall(SYS_LSTAT, BytePtr(name), StatPtr(buf), 0);
|
||
|
return r1, err;
|
||
|
}
|
||
|
|
||
|
export func fstat(fd int64, buf *Stat) (ret int64, errno int64) {
|
||
|
r1, r2, err := Syscall(SYS_FSTAT, fd, StatPtr(buf), 0);
|
||
|
return r1, err;
|
||
|
}
|
||
|
|
||
|
export func unlink(name string) (ret int64, errno int64) {
|
||
|
var namebuf [NameBufsize]byte;
|
||
|
if !StringToBytes(&namebuf, name) {
|
||
|
return -1, ENAMETOOLONG
|
||
|
}
|
||
|
const SYSUNLINK = 87;
|
||
|
r1, r2, err := Syscall(SYS_UNLINK, BytePtr(&namebuf[0]), 0, 0);
|
||
|
return r1, err;
|
||
|
}
|