pipe_linux.go

     1  // Copyright 2013 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("pipe2", e)
    17  	}
    18  
    19  	return newFile(uintptr(p[0]), "|0", kindPipe), newFile(uintptr(p[1]), "|1", kindPipe), nil
    20  }
    21
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