From 39b6637f930ad1e27e26544fbda72683268e8af9 Mon Sep 17 00:00:00 2001
From: David Rose <david@ddrose.com>
Date: Fri, 18 Jul 2008 23:44:02 +0000
Subject: [PATCH] fix reentrant mutex

---
 panda/src/gobj/vertexDataPage.cxx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/panda/src/gobj/vertexDataPage.cxx b/panda/src/gobj/vertexDataPage.cxx
index d88c2cbd85..077544f71a 100644
--- a/panda/src/gobj/vertexDataPage.cxx
+++ b/panda/src/gobj/vertexDataPage.cxx
@@ -196,6 +196,7 @@ flush_threads() {
 
   if (thread_mgr != (PageThreadManager *)NULL) {
     thread_mgr->stop_threads();
+    MutexHolder holder(_tlock);
     thread_mgr->start_threads(num_threads);
   }
 }
@@ -794,11 +795,10 @@ get_num_pending_writes() const {
 //     Function: VertexDataPage::PageThreadManager::start_threads
 //       Access: Public
 //  Description: Adds the indicated of threads to the list of active
-//               threads.  Assumes _tlock is *not* held.
+//               threads.  Assumes _tlock is held.
 ////////////////////////////////////////////////////////////////////
 void VertexDataPage::PageThreadManager::
 start_threads(int num_threads) {
-  MutexHolder holder(_tlock);
   _shutdown = false;
 
   _threads.reserve(num_threads);