From 2f0156d73981f879bbd25197174545d26b7232d2 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@anylike.org>
Date: Sun, 27 Dec 2009 21:57:43 +0000
Subject: improved error handling

---
 src/main_loop.lua | 26 ++++++++++++++++----------
 1 file changed, 16 insertions(+), 10 deletions(-)

(limited to 'src')

diff --git a/src/main_loop.lua b/src/main_loop.lua
index 8f69f47..dd1289b 100644
--- a/src/main_loop.lua
+++ b/src/main_loop.lua
@@ -36,21 +36,27 @@ function main_loop(opt)
    sock[2] = echo_server_init("localhost", 10000)
    if(sock[2] == nil) then return -1 end
 
-   local ret = 0
-   while ret == 0 do
+   local return_value = 0
+   while return_value == 0 do
       local readable, _, err = socket.select({ sig , sock[1], sock[2] }, nil)
-      for _, input in ipairs(readable) do
-         if(input == sig) then
-            ret = signal.handle()
-            if(ret == 1) then break end
-         else 
-            ret = echo_server_recv(input)
+      if(err) then
+         log.printf("ERROR", "select returned with error: %s", err)
+         return_value = -1
+      else
+         for _, input in ipairs(readable) do
+            if(input == sig) then
+               return_value = signal.handle()
+               if(return_value == 1) then break end
+            else 
+               return_value = echo_server_recv(input)
+               if(return_value == 2) then break end
+            end
          end
       end
    end
 
-   if(ret == 2) then ret = 0 end
+   if(return_value == 2) then return_value = 0 end
 
    signal.stop()
-   return ret
+   return return_value
 end
-- 
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