From b4830a840540766909bcd359fe94d5ea5afef81e Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Mon, 4 May 2015 11:58:19 +0200
Subject: options: use weak pointers for bundles

Otherwise none ever get freed. Oops!
---
 opentrack/options.hpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/opentrack/options.hpp b/opentrack/options.hpp
index 5eae754f..35b1640e 100644
--- a/opentrack/options.hpp
+++ b/opentrack/options.hpp
@@ -224,7 +224,7 @@ namespace options {
         {
         public:
             using pbundle = std::shared_ptr<v>;
-            using tt = std::tuple<cnt, pbundle>;
+            using tt = std::tuple<cnt, std::weak_ptr<v>>;
         private:
             QMutex implsgl_mtx;
             map<k, tt> implsgl_data;
@@ -242,7 +242,11 @@ namespace options {
                 QMutexLocker l(&implsgl_mtx);
 
                 if (implsgl_data.count(key) != 0)
-                    return std::get<1>(implsgl_data[key]);
+                {
+                    auto shared = std::get<1>(implsgl_data[key]).lock();
+                    if (shared != nullptr)
+                        return shared;
+                }
                 
                 qDebug() << "bundle +" << QString::fromStdString(key);
 
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