Abstract away signal handling.

Makefile

@@ -52,6 +52,12 @@ GOFILES = \
 	ctlrpc.go \
 	ctl.go
 
+ifeq ($(GOOS),windows)
+	GOFILES += signal_windows.go
+else
+	GOFILES += signal_unix.go
+endif
+
 .PHONY: grumble
 grumble: pkg
 	$(GC) $(GCFLAGS) -o $(TARG).$(O) $(GOFILES)

grumble.go

@@ -9,7 +9,6 @@ import (
 	"flag"
 	"fmt"
 	"os"
-	"os/signal"
 	"log"
 	"net"
 	"sqlite"
@@ -233,6 +232,7 @@ func main() {
 
 	if len(servers) > 0 {
 		ticker := time.NewTicker(10e9) // 10 secs
+		go SignalHandler()
 		for {
 			select {
 			case <-ticker.C:
@@ -243,23 +243,6 @@ func main() {
 						continue
 					}
 				}
-
-			case sig := <-signal.Incoming:
-				if sig != signal.SIGINT && sig != signal.SIGTERM {
-					continue
-				}
-
-				for sid, s := range servers {
-					err := s.FreezeToFile(filepath.Join(*datadir, fmt.Sprintf("%v", sid)))
-					if err != nil {
-						log.Printf("Unable to freeze server %v: %s", sid, err.String())
-						continue
-					}
-
-					log.Printf("Server %v frozen", sid)
-				}
-
-				return
 			}
 		}
 	}

signal_unix.go

@@ -0,0 +1,29 @@
+// Copyright (c) 2011 The Grumble Authors
+// The use of this source code is goverened by a BSD-style
+// license that can be found in the LICENSE-file.
+
+package main
+
+import (
+	"fmt"
+	"log"
+	"os/signal"
+	"path/filepath"
+)
+
+func SignalHandler() {
+	for {
+		sig := <-signal.Incoming
+		if sig != signal.SIGINT && sig != signal.SIGTERM {
+			continue
+		}
+		for sid, s := range servers {
+			err := s.FreezeToFile(filepath.Join(*datadir, fmt.Sprintf("%v", sid)))
+			if err != nil {
+				log.Printf("Unable to freeze server %v: %s", sid, err.String())
+				continue
+			}
+			log.Printf("Server %v frozen", sid)
+		}
+	}
+}

signal_windows.go

@@ -0,0 +1,8 @@
+// Copyright (c) 2011 The Grumble Authors
+// The use of this source code is goverened by a BSD-style
+// license that can be found in the LICENSE-file.
+
+package main
+
+func SignalHandler() {
+}