From 1e8d12bb2a4b8f4ce269707a5d4d52800f6c4bf1 Mon Sep 17 00:00:00 2001
From: Darell Tan <darell.tan@gmail.com>
Date: Tue, 20 Sep 2011 00:45:46 +0800
Subject: Used kill() instead of getsid() to verify pid, as getsid() may not
 have been compiled into uClibc.

---
 mdns-repeater.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mdns-repeater.c b/mdns-repeater.c
index 72ba37b..0853b20 100644
--- a/mdns-repeater.c
+++ b/mdns-repeater.c
@@ -223,8 +223,7 @@ static pid_t already_running() {
 		count = fscanf(f, "%d", &pid);
 		fclose(f);
 		if (count == 1) {
-			// see if pid exists (works on daemonized instances only)
-			if (getsid(pid) > 0)
+			if (kill(pid, 0) == 0)
 				return pid;
 		}
 	}
-- 
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