1 // +build linux

     2 // +build !appengine,!ppc64,!ppc64le

     3 

     4 package isatty

     5 

     6 import (

     7 	"syscall"

     8 	"unsafe"

     9 )

    10 

    11 const ioctlReadTermios = syscall.TCGETS

    12 

    13 // IsTerminal return true if the file descriptor is terminal.

    14 func IsTerminal(fd uintptr) bool {

    15 	var termios syscall.Termios

    16 	_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, fd, ioctlReadTermios, uintptr(unsafe.Pointer(&termios)), 0, 0, 0)

    17 	return err == 0

    18 }