VOL-381 add unum container to support ONOS cluster formation under swarm
Change-Id: Ic260edda19bb199ed040f05164ab605f28c919d0
diff --git a/unum/vendor/github.com/Sirupsen/logrus/terminal_notwindows.go b/unum/vendor/github.com/Sirupsen/logrus/terminal_notwindows.go
new file mode 100644
index 0000000..190297a
--- /dev/null
+++ b/unum/vendor/github.com/Sirupsen/logrus/terminal_notwindows.go
@@ -0,0 +1,28 @@
+// 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 (
+ "io"
+ "os"
+ "syscall"
+ "unsafe"
+)
+
+// IsTerminal returns true if stderr's file descriptor is a terminal.
+func IsTerminal(f io.Writer) bool {
+ var termios Termios
+ switch v := f.(type) {
+ case *os.File:
+ _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(v.Fd()), ioctlReadTermios, uintptr(unsafe.Pointer(&termios)), 0, 0, 0)
+ return err == 0
+ default:
+ return false
+ }
+}