| // Based on ssh/terminal: |
| // Copyright 2011 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. |
| |
| // +build linux darwin freebsd openbsd netbsd dragonfly |
| // +build !appengine |
| |
| package logrus |
| |
| import ( |
| "syscall" |
| "unsafe" |
| ) |
| |
| // IsTerminal returns true if stderr's file descriptor is a terminal. |
| func IsTerminal() bool { |
| fd := syscall.Stderr |
| var termios Termios |
| _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), ioctlReadTermios, uintptr(unsafe.Pointer(&termios)), 0, 0, 0) |
| return err == 0 |
| } |
