github.com/turingchain2020/turingchain@v1.1.21/common/log/log15/term/terminal_notwindows.go (about)

     1  // Copyright Turing Corp. 2018 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  // Based on ssh/terminal:
     6  // Copyright 2011 The Go Authors. All rights reserved.
     7  // Use of this source code is governed by a BSD-style
     8  // license that can be found in the LICENSE file.
     9  
    10  // +build linux,!appengine darwin freebsd openbsd netbsd
    11  
    12  package term
    13  
    14  import (
    15  	"syscall"
    16  	"unsafe"
    17  )
    18  
    19  // IsTty returns true if the given file descriptor is a terminal.
    20  func IsTty(fd uintptr) bool {
    21  	var termios Termios
    22  	_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, fd, ioctlReadTermios, uintptr(unsafe.Pointer(&termios)), 0, 0, 0)
    23  	return err == 0
    24  }