use x/sys for non-unix files

.travis.yml

@@ -10,5 +10,6 @@ install:
   - go get github.com/stretchr/testify/assert
   - go get gopkg.in/gemnasium/logrus-airbrake-hook.v2
   - go get golang.org/x/sys/unix
+  - go get golang.org/x/sys/windows
 script:
   - go test -race -v ./...

terminal_bsd.go

@@ -3,8 +3,8 @@
 
 package logrus
 
-import "syscall"
+import "golang.org/x/sys/unix"
 
-const ioctlReadTermios = syscall.TIOCGETA
+const ioctlReadTermios = unix.TIOCGETA
 
-type Termios syscall.Termios
+type Termios unix.Termios

terminal_notwindows.go

@@ -11,8 +11,9 @@ package logrus
 import (
 	"io"
 	"os"
-	"syscall"
 	"unsafe"
+
+	"golang.org/x/sys/unix"
 )
 
 // IsTerminal returns true if stderr's file descriptor is a terminal.
@@ -20,7 +21,7 @@ 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)
+		_, _, err := unix.Syscall6(unix.SYS_IOCTL, uintptr(v.Fd()), ioctlReadTermios, uintptr(unsafe.Pointer(&termios)), 0, 0, 0)
 		return err == 0
 	default:
 		return false

terminal_windows.go

@@ -15,11 +15,12 @@ import (
 	"os/exec"
 	"strconv"
 	"strings"
-	"syscall"
 	"unsafe"
+
+	"golang.org/x/sys/windows"
 )
 
-var kernel32 = syscall.NewLazyDLL("kernel32.dll")
+var kernel32 = windows.NewLazyDLL("kernel32.dll")
 
 var (
 	procGetConsoleMode = kernel32.NewProc("GetConsoleMode")
@@ -64,7 +65,7 @@ func init() {
 	// Activate Virtual Processing for Windows CMD
 	// Info: https://msdn.microsoft.com/en-us/library/windows/desktop/ms686033(v=vs.85).aspx
 	if ver >= 10 {
-		handle := syscall.Handle(os.Stderr.Fd())
+		handle := windows.Handle(os.Stderr.Fd())
 		procSetConsoleMode.Call(uintptr(handle), enableProcessedOutput|enableWrapAtEolOutput|enableVirtualTerminalProcessing)
 	}
 }
@@ -74,7 +75,7 @@ func IsTerminal(f io.Writer) bool {
 	switch v := f.(type) {
 	case *os.File:
 		var st uint32
-		r, _, e := syscall.Syscall(procGetConsoleMode.Addr(), 2, uintptr(v.Fd()), uintptr(unsafe.Pointer(&st)), 0)
+		r, _, e := windows.Syscall(procGetConsoleMode.Addr(), 2, uintptr(v.Fd()), uintptr(unsafe.Pointer(&st)), 0)
 		return r != 0 && e == 0
 	default:
 		return false