github.com/klaytn/klaytn@v1.12.1/log/term/terminal_notwindows.go (about)

     1  // Based on ssh/terminal:
     2  // Copyright 2011 The Go Authors. All rights reserved.
     3  // Use of this source code is governed by a BSD-style
     4  // license that can be found in the LICENSE file.
     5  
     6  //go:build (linux && !appengine) || darwin || freebsd || openbsd || netbsd
     7  // +build linux,!appengine darwin freebsd openbsd netbsd
     8  
     9  package term
    10  
    11  import (
    12  	"syscall"
    13  	"unsafe"
    14  )
    15  
    16  // IsTty returns true if the given file descriptor is a terminal.
    17  func IsTty(fd uintptr) bool {
    18  	var termios Termios
    19  	_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, fd, ioctlReadTermios, uintptr(unsafe.Pointer(&termios)), 0, 0, 0)
    20  	return err == 0
    21  }