osutil: fix win build

pkg/osutil/interrupt_unix.go

@@ -0,0 +1,76 @@
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build !windows,!plan9
+
+// InterruptHandler is a function that is called on receiving a
+// SIGTERM or SIGINT signal.
+
+package osutil
+
+import (
+	"log"
+	"os"
+	"os/signal"
+	"sync"
+	"syscall"
+)
+
+type InterruptHandler func()
+
+var (
+	interruptRegisterMu, interruptExitMu sync.Mutex
+	// interruptHandlers holds all registered InterruptHandlers in order
+	// they will be executed.
+	interruptHandlers = []InterruptHandler{}
+)
+
+// RegisterInterruptHandler registers a new InterruptHandler. Handlers registered
+// after interrupt handing was initiated will not be executed.
+func RegisterInterruptHandler(h InterruptHandler) {
+	interruptRegisterMu.Lock()
+	defer interruptRegisterMu.Unlock()
+	interruptHandlers = append(interruptHandlers, h)
+}
+
+// HandleInterrupts calls the handler functions on receiving a SIGINT or SIGTERM.
+func HandleInterrupts() {
+	notifier := make(chan os.Signal, 1)
+	signal.Notify(notifier, syscall.SIGINT, syscall.SIGTERM)
+
+	go func() {
+		sig := <-notifier
+
+		interruptRegisterMu.Lock()
+		ihs := make([]InterruptHandler, len(interruptHandlers))
+		copy(ihs, interruptHandlers)
+		interruptRegisterMu.Unlock()
+
+		interruptExitMu.Lock()
+
+		log.Printf("received %v signal, shutting down", sig)
+
+		for _, h := range ihs {
+			h()
+		}
+		signal.Stop(notifier)
+		syscall.Kill(syscall.Getpid(), sig.(syscall.Signal))
+	}()
+}
+
+// Exit relays to os.Exit if no interrupt handlers are running, blocks otherwise.
+func Exit(code int) {
+	interruptExitMu.Lock()
+	os.Exit(code)
+}

pkg/osutil/interrupt_windows.go

@@ -0,0 +1,32 @@
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build windows
+
+package osutil
+
+import "os"
+
+type InterruptHandler func()
+
+// RegisterInterruptHandler is a no-op on windows
+func RegisterInterruptHandler(h InterruptHandler) {}
+
+// HandleInterrupts is a no-op on windows
+func HandleInterrupts() {}
+
+// Exit calls os.Exit
+func Exit(code int) {
+	os.Exit(code)
+}

pkg/osutil/osutil.go

@@ -15,12 +15,8 @@
 package osutil
 
 import (
-	"log"
 	"os"
-	"os/signal"
 	"strings"
-	"sync"
-	"syscall"
 )
 
 func Unsetenv(key string) error {
@@ -37,53 +33,3 @@ func Unsetenv(key string) error {
 	}
 	return nil
 }
-
-// InterruptHandler is a function that is called on receiving a
-// SIGTERM or SIGINT signal.
-type InterruptHandler func()
-
-var (
-	interruptRegisterMu, interruptExitMu sync.Mutex
-	// interruptHandlers holds all registered InterruptHandlers in order
-	// they will be executed.
-	interruptHandlers = []InterruptHandler{}
-)
-
-// RegisterInterruptHandler registers a new InterruptHandler. Handlers registered
-// after interrupt handing was initiated will not be executed.
-func RegisterInterruptHandler(h InterruptHandler) {
-	interruptRegisterMu.Lock()
-	defer interruptRegisterMu.Unlock()
-	interruptHandlers = append(interruptHandlers, h)
-}
-
-// HandleInterrupts calls the handler functions on receiving a SIGINT or SIGTERM.
-func HandleInterrupts() {
-	notifier := make(chan os.Signal, 1)
-	signal.Notify(notifier, syscall.SIGINT, syscall.SIGTERM)
-
-	go func() {
-		sig := <-notifier
-
-		interruptRegisterMu.Lock()
-		ihs := make([]InterruptHandler, len(interruptHandlers))
-		copy(ihs, interruptHandlers)
-		interruptRegisterMu.Unlock()
-
-		interruptExitMu.Lock()
-
-		log.Printf("received %v signal, shutting down", sig)
-
-		for _, h := range ihs {
-			h()
-		}
-		signal.Stop(notifier)
-		syscall.Kill(syscall.Getpid(), sig.(syscall.Signal))
-	}()
-}
-
-// Exit relays to os.Exit if no interrupt handlers are running, blocks otherwise.
-func Exit(code int) {
-	interruptExitMu.Lock()
-	os.Exit(code)
-}