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- // Copyright 2017 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.
- //go:build dragonfly || freebsd || netbsd || openbsd
- package os
- import "syscall"
- // Pipe returns a connected pair of Files; reads from r return bytes written to w.
- // It returns the files and an error, if any.
- func Pipe() (r *File, w *File, err error) {
- var p [2]int
- e := syscall.Pipe2(p[0:], syscall.O_CLOEXEC)
- if e != nil {
- return nil, nil, NewSyscallError("pipe", e)
- }
- return newFile(uintptr(p[0]), "|0", kindPipe), newFile(uintptr(p[1]), "|1", kindPipe), nil
- }
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