mirror of https://github.com/golang/go.git
134 lines
4.1 KiB
Go
134 lines
4.1 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package syscall
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// File operations for Linux
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import (
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"syscall";
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"unsafe";
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)
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const nameBufsize = 512
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func Open(name string, mode int64, perm int64) (ret int64, errno int64) {
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namebuf := StringBytePtr(name);
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r1, r2, err := Syscall(SYS_OPEN, int64(uintptr(unsafe.Pointer(namebuf))), mode, perm);
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return r1, err;
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}
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func Creat(name string, perm int64) (ret int64, errno int64) {
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namebuf := StringBytePtr(name);
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r1, r2, err := Syscall(SYS_OPEN, int64(uintptr(unsafe.Pointer(namebuf))), O_CREAT|O_WRONLY|O_TRUNC, perm);
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return r1, err;
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}
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func Close(fd int64) (ret int64, errno int64) {
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r1, r2, err := Syscall(SYS_CLOSE, fd, 0, 0);
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return r1, err;
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}
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func Read(fd int64, buf *byte, nbytes int64) (ret int64, errno int64) {
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r1, r2, err := Syscall(SYS_READ, fd, int64(uintptr(unsafe.Pointer(buf))), nbytes);
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return r1, err;
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}
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func Write(fd int64, buf *byte, nbytes int64) (ret int64, errno int64) {
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r1, r2, err := Syscall(SYS_WRITE, fd, int64(uintptr(unsafe.Pointer(buf))), nbytes);
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return r1, err;
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}
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func Seek(fd int64, offset int64, whence int64) (ret int64, errno int64) {
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r1, r2, err := Syscall(SYS_LSEEK, fd, offset, whence);
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return r1, err;
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}
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func Pipe(fds *[2]int64) (ret int64, errno int64) {
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var t [2] int32;
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r1, r2, err := Syscall(SYS_PIPE, int64(uintptr(unsafe.Pointer(&t[0]))), 0, 0);
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if r1 < 0 {
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return r1, err;
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}
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fds[0] = int64(t[0]);
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fds[1] = int64(t[1]);
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return 0, 0;
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}
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func Stat(name string, buf *Stat_t) (ret int64, errno int64) {
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namebuf := StringBytePtr(name);
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r1, r2, err := Syscall(SYS_STAT, int64(uintptr(unsafe.Pointer(namebuf))), int64(uintptr(unsafe.Pointer(buf))), 0);
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return r1, err;
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}
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func Lstat(name string, buf *Stat_t) (ret int64, errno int64) {
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namebuf := StringBytePtr(name);
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r1, r2, err := Syscall(SYS_LSTAT, int64(uintptr(unsafe.Pointer(namebuf))), int64(uintptr(unsafe.Pointer(buf))), 0);
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return r1, err;
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}
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func Fstat(fd int64, buf *Stat_t) (ret int64, errno int64) {
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r1, r2, err := Syscall(SYS_FSTAT, fd, int64(uintptr(unsafe.Pointer(buf))), 0);
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return r1, err;
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}
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func Unlink(name string) (ret int64, errno int64) {
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namebuf := StringBytePtr(name);
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r1, r2, err := Syscall(SYS_UNLINK, int64(uintptr(unsafe.Pointer(namebuf))), 0, 0);
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return r1, err;
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}
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func Rmdir(name string) (ret int64, errno int64) {
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namebuf := StringBytePtr(name);
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r1, r2, err := Syscall(SYS_RMDIR, int64(uintptr(unsafe.Pointer(namebuf))), 0, 0);
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return r1, err;
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}
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func Fcntl(fd, cmd, arg int64) (ret int64, errno int64) {
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r1, r2, err := Syscall(SYS_FCNTL, fd, cmd, arg);
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return r1, err
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}
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func Mkdir(name string, perm int64) (ret int64, errno int64) {
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namebuf := StringBytePtr(name);
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r1, r2, err := Syscall(SYS_MKDIR, int64(uintptr(unsafe.Pointer(namebuf))), perm, 0);
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return r1, err;
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}
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func Dup2(fd1, fd2 int64) (ret int64, errno int64) {
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r1, r2, err := Syscall(SYS_DUP2, fd1, fd2, 0);
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return r1, err;
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}
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func Getdents(fd int64, buf *Dirent, nbytes int64) (ret int64, errno int64) {
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r1, r2, err := Syscall(SYS_GETDENTS64, fd, int64(uintptr(unsafe.Pointer(buf))), nbytes);
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return r1, err;
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}
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func Chdir(dir string) (ret int64, errno int64) {
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namebuf := StringBytePtr(dir);
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r1, r2, err := Syscall(SYS_CHDIR, int64(uintptr(unsafe.Pointer(namebuf))), 0, 0);
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return r1, err;
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}
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func Link(oldpath, newpath string) (ret int64, errno int64) {
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oldbuf := StringBytePtr(oldpath);
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newbuf := StringBytePtr(newpath);
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r1, r2, err := Syscall(SYS_LINK, int64(uintptr(unsafe.Pointer(oldbuf))), int64(uintptr(unsafe.Pointer(newbuf))), 0);
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return r1, err;
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}
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func Symlink(oldpath, newpath string) (ret int64, errno int64) {
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oldbuf := StringBytePtr(oldpath);
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newbuf := StringBytePtr(newpath);
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r1, r2, err := Syscall(SYS_SYMLINK, int64(uintptr(unsafe.Pointer(oldbuf))), int64(uintptr(unsafe.Pointer(newbuf))), 0);
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return r1, err;
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}
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func Readlink(path string, buf *byte, nbytes int64) (ret int64, errno int64) {
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pathbuf := StringBytePtr(path);
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r1, r2, err := Syscall(SYS_READLINK, int64(uintptr(unsafe.Pointer(pathbuf))), int64(uintptr(unsafe.Pointer(buf))), nbytes);
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return r1, err;
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}
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