From 57aa11607045f78e747c6d1e1da878d43a0e7146 Mon Sep 17 00:00:00 2001
From: Daniel Theophanes <Daniel Theophanes@localhost>
Date: Sat, 2 Mar 2013 22:41:57 -0800
Subject: [PATCH] Make Init able to be aborted.

---
 stdservice/stdservice.go | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/stdservice/stdservice.go b/stdservice/stdservice.go
index 29639a5..321a8f9 100644
--- a/stdservice/stdservice.go
+++ b/stdservice/stdservice.go
@@ -13,12 +13,14 @@ type Config struct {
 	Name, DisplayName, LongDescription string
 
 	// Called when the service starts or stops.
-	// Stop() may be nil.
+	// Stop may be nil.
 	Start, Stop func(c *Config)
 
 	// Called after logging may be setup but before the service is started.
-	// Init() is optional and may be nil.
-	Init func(c *Config)
+	// Init is optional and may be nil.
+	// If Init returns an error, that error is logged to the logger
+	// and the service start is aborted.
+	Init func(c *Config) error
 
 	s service.Service
 	l service.Logger
@@ -92,7 +94,11 @@ func Run(c *Config) {
 	}
 
 	if c.Init != nil {
-		c.Init(c)
+		err := c.Init(c)
+		if err != nil {
+			c.l.Error(err.Error())
+			return
+		}
 	}
 
 	err = s.Run(func() error {