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IObj destructor race condition fix

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This commit is contained in:
Jack Andersen
2017-11-07 21:33:10 -10:00
parent d04c19a258
commit 1a2fc1d2a3
8 changed files with 31 additions and 15 deletions
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14
lib/graphicsdev/Common.hpp
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@@ -21,7 +21,7 @@ struct GraphicsDataNode;
/** Inherited by data factory implementations to track the head data and pool nodes */
struct GraphicsDataFactoryHead
{
std::mutex m_dataMutex;
std::recursive_mutex m_dataMutex;
BaseGraphicsData* m_dataHead = nullptr;
BaseGraphicsPool* m_poolHead = nullptr;
};
@@ -68,7 +68,8 @@ struct BaseGraphicsData : IObj
explicit BaseGraphicsData(GraphicsDataFactoryHead& head)
: m_head(head)
{
std::lock_guard<std::mutex> lk(m_head.m_dataMutex);
IObj::m_mutex = &m_head.m_dataMutex;
std::lock_guard<std::recursive_mutex> lk(m_head.m_dataMutex);
m_next = head.m_dataHead;
if (m_next)
m_next->m_prev = this;
@@ -76,7 +77,6 @@ struct BaseGraphicsData : IObj
}
~BaseGraphicsData()
{
std::lock_guard<std::mutex> lk(m_head.m_dataMutex);
if (m_prev)
{
if (m_next)
@@ -131,7 +131,8 @@ struct BaseGraphicsPool : IObj
explicit BaseGraphicsPool(GraphicsDataFactoryHead& head)
: m_head(head)
{
std::lock_guard<std::mutex> lk(m_head.m_dataMutex);
IObj::m_mutex = &m_head.m_dataMutex;
std::lock_guard<std::recursive_mutex> lk(m_head.m_dataMutex);
m_next = head.m_poolHead;
if (m_next)
m_next->m_prev = this;
@@ -139,7 +140,6 @@ struct BaseGraphicsPool : IObj
}
~BaseGraphicsPool()
{
std::lock_guard<std::mutex> lk(m_head.m_dataMutex);
if (m_prev)
{
if (m_next)
@@ -176,7 +176,8 @@ struct GraphicsDataNode : NodeCls
explicit GraphicsDataNode(const ObjToken<DataCls>& data)
: m_data(data)
{
std::lock_guard<std::mutex> lk(m_data->m_head.m_dataMutex);
IObj::m_mutex = &m_data->m_head.m_dataMutex;
std::lock_guard<std::recursive_mutex> lk(m_data->m_head.m_dataMutex);
m_next = data->template getHead<NodeCls>();
if (m_next)
m_next->m_prev = this;
@@ -184,7 +185,6 @@ struct GraphicsDataNode : NodeCls
}
~GraphicsDataNode()
{
std::lock_guard<std::mutex> lk(m_data->m_head.m_dataMutex);
if (m_prev)
{
if (m_next)