From dae75ab8554243acdf5858ea0ca2c6b0e50a5ebb Mon Sep 17 00:00:00 2001
From: Davis King <davis@dlib.net>
Date: Mon, 1 Dec 2008 22:19:52 +0000
Subject: [PATCH] Fixed the deadlock I just introduced a few minutes ago.

--HG--
extra : convert_revision : svn%3Afdd8eb12-d10e-0410-9acb-85c331704f74/trunk%402692
---
 dlib/threads/thread_pool_extension.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlib/threads/thread_pool_extension.cpp b/dlib/threads/thread_pool_extension.cpp
index b69196324..fde1f22d7 100644
--- a/dlib/threads/thread_pool_extension.cpp
+++ b/dlib/threads/thread_pool_extension.cpp
@@ -58,7 +58,7 @@ namespace dlib
     ) const
     {
         auto_mutex M(m);
-        if (num_threads_in_pool() != 0)
+        if (tasks.size() != 0)
         {
             const unsigned long idx = task_id_to_index(task_id);
             while (tasks[idx].task_id == task_id)
@@ -110,7 +110,7 @@ namespace dlib
 
         // if there aren't any threads in the pool then we consider all threads
         // to be worker threads
-        if (num_threads_in_pool() == 0)
+        if (tasks.size() == 0)
             return true;
         else
             return false;