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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 || linux || netbsd || openbsd || solaris
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("pipe2", e)
}
return newFile(p[0], "|0", kindPipe, false), newFile(p[1], "|1", kindPipe, false), nil
}
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