Source file src/runtime/nbpipe_pipe2.go

Documentation: runtime

		 1  // Copyright 2019 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  // +build dragonfly freebsd linux netbsd openbsd solaris
		 7  
		 8  package runtime
		 9  
		10  func nonblockingPipe() (r, w int32, errno int32) {
		11  	r, w, errno = pipe2(_O_NONBLOCK | _O_CLOEXEC)
		12  	if errno == -_ENOSYS {
		13  		r, w, errno = pipe()
		14  		if errno != 0 {
		15  			return -1, -1, errno
		16  		}
		17  		closeonexec(r)
		18  		setNonblock(r)
		19  		closeonexec(w)
		20  		setNonblock(w)
		21  	}
		22  	return r, w, errno
		23  }
		24  

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