diff options
Diffstat (limited to 'src/cmd/dist/test_linux.go')
-rw-r--r-- | src/cmd/dist/test_linux.go | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/cmd/dist/test_linux.go b/src/cmd/dist/test_linux.go new file mode 100644 index 0000000..b6d0aed --- /dev/null +++ b/src/cmd/dist/test_linux.go @@ -0,0 +1,27 @@ +// Copyright 2016 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 + +package main + +import ( + "syscall" + "unsafe" +) + +const ioctlReadTermios = syscall.TCGETS + +// isTerminal reports whether fd is a terminal. +func isTerminal(fd uintptr) bool { + var termios syscall.Termios + _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, fd, ioctlReadTermios, uintptr(unsafe.Pointer(&termios)), 0, 0, 0) + return err == 0 +} + +func init() { + stdOutErrAreTerminals = func() bool { + return isTerminal(1) && isTerminal(2) + } +} |