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