1 // Copyright 2017 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package os 6 7 import "syscall" 8 9 // Pipe returns a connected pair of Files; reads from r return bytes written to w. 10 // It returns the files and an error, if any. 11 func Pipe() (r *File, w *File, err error) { 12 var p [2]int 13 14 e := syscall.Pipe2(p[0:], syscall.O_CLOEXEC) 15 if e != nil { 16 return nil, nil, NewSyscallError("pipe", e) 17 } 18 19 return newFile(uintptr(p[0]), "|0", kindPipe), newFile(uintptr(p[1]), "|1", kindPipe), nil 20 } 21
