gitlab.com/aquachain/aquachain@v1.17.16-rc3.0.20221018032414-e3ddf1e1c055/common/log/term/terminal_notwindows.go (about)

     1  // Copyright 2018 The aquachain Authors
     2  // This file is part of the aquachain library.
     3  //
     4  // The aquachain library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The aquachain library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the aquachain library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  // Based on ssh/terminal:
    18  // Copyright 2011 The Go Authors. All rights reserved.
    19  // Use of this source code is governed by a BSD-style
    20  // license that can be found in the LICENSE file.
    21  
    22  // +build linux,!appengine darwin freebsd openbsd netbsd
    23  
    24  package term
    25  
    26  import (
    27  	"syscall"
    28  	"unsafe"
    29  )
    30  
    31  // IsTty returns true if the given file descriptor is a terminal.
    32  func IsTty(fd uintptr) bool {
    33  	var termios Termios
    34  	_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, fd, ioctlReadTermios, uintptr(unsafe.Pointer(&termios)), 0, 0, 0)
    35  	return err == 0
    36  }