Rename and move everything to hopefully make it possible to use this package as a Golang package

server/signal_unix.go

@@ -0,0 +1,33 @@
+// 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.
+
+// +build darwin freebsd linux netbsd openbsd
+
+package server
+
+import (
+	"fmt"
+	"os"
+	"os/signal"
+	"syscall"
+
+	"github.com/digitalautonomy/grumble/pkg/logtarget"
+)
+
+func SignalHandler() {
+	sigchan := make(chan os.Signal, 10)
+	signal.Notify(sigchan, syscall.SIGUSR2, syscall.SIGTERM, syscall.SIGINT)
+	for sig := range sigchan {
+		if sig == syscall.SIGUSR2 {
+			err := logtarget.Target.Rotate()
+			if err != nil {
+				fmt.Fprintf(os.Stderr, "unable to rotate log file: %v", err)
+			}
+			continue
+		}
+		if sig == syscall.SIGINT || sig == syscall.SIGTERM {
+			os.Exit(0)
+		}
+	}
+}