From ebb7500119d9efab331ddd9eb1817ea08b23c5ab Mon Sep 17 00:00:00 2001
From: Jeremy Lakeman <jeremy.lakeman@flinders.edu.au>
Date: Wed, 13 Apr 2016 09:44:29 +0930
Subject: [PATCH] Fix bug with syncing config within a multi-threaded java
 process

---
 server.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/server.c b/server.c
index 1c8b08b0..bfc1c237 100644
--- a/server.c
+++ b/server.c
@@ -70,6 +70,9 @@ void cli_cleanup(){
  */
 int server_pid()
 {
+  // Note that if we close another handle on the same file, our lock will disappear.
+  if (server_getpid == getpid())
+    return server_getpid;
   char dirname[1024];
   if (!FORMF_SERVAL_RUN_PATH(dirname, NULL))
     return -1;