// Copyright 2018 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 unix | |
package unix | |
import "syscall" | |
func IsNonblock(fd int) (nonblocking bool, err error) { | |
flag, e1 := Fcntl(fd, syscall.F_GETFL, 0) | |
if e1 != nil { | |
return false, e1 | |
} | |
return flag&syscall.O_NONBLOCK != 0, nil | |
} | |
func HasNonblockFlag(flag int) bool { | |
return flag&syscall.O_NONBLOCK != 0 | |
} |