github.com/lovishpuri/go-40569/src@v0.0.0-20230519171745-f8623e7c56cf/os/pipe2_unix.go (about)

     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  //go:build dragonfly || freebsd || linux || netbsd || openbsd || solaris
     6  
     7  package os
     8  
     9  import "syscall"
    10  
    11  // Pipe returns a connected pair of Files; reads from r return bytes written to w.
    12  // It returns the files and an error, if any.
    13  func Pipe() (r *File, w *File, err error) {
    14  	var p [2]int
    15  
    16  	e := syscall.Pipe2(p[0:], syscall.O_CLOEXEC)
    17  	if e != nil {
    18  		return nil, nil, NewSyscallError("pipe2", e)
    19  	}
    20  
    21  	return newFile(uintptr(p[0]), "|0", kindPipe), newFile(uintptr(p[1]), "|1", kindPipe), nil
    22  }