TODO: switch to Ticker

Signed-off-by: Jeff Carr <jcarr@wit.com>

ticker.go

@@ -0,0 +1,53 @@
+package gui
+
+import (
+	"time"
+
+	"go.wit.com/log"
+)
+
+var watchtime time.Duration = 100 // in tenths of seconds
+
+/*
+	This program sits here.
+	If you exit here, the whole thing will os.Exit()
+	TODO: use Ticker
+
+	This goroutine can be used like a watchdog timer
+*/
+func Watchdog() {
+	var i = 1
+	for {
+		log.Verbose("gui.Watchdog() is alive. give me something to do.", i)
+		i += 1
+		time.Sleep(watchtime * time.Second / 10)
+	}
+}
+// https://www.reddit.com/r/golang/comments/12em87q/how_to_run_periodic_tasks/
+/*
+package main
+
+import (
+	"fmt"
+	"time"
+)
+
+func main() {
+	ticker := time.NewTicker(time.Second)
+	defer ticker.Stop()
+	done := make(chan bool)
+	go func() {
+		time.Sleep(10 * time.Second)
+		done <- true
+	}()
+	for {
+		select {
+		case <-done:
+			fmt.Println("Done!")
+			return
+		case t := <-ticker.C:
+			fmt.Println("Current time: ", t)
+		}
+	}
+}
+*/