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Fix deinitialization order fiasco.

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This commit is contained in:
Aleric Inglewood
2012-11-19 04:42:02 +01:00
parent 2400d146ce
commit aab195a6eb
2 changed files with 9 additions and 4 deletions
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11
indra/llmessage/aicurlperhost.cpp
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@@ -56,12 +56,17 @@ PerHostRequestQueuePtr PerHostRequestQueue::instance(std::string const& hostname
//static
void PerHostRequestQueue::release(PerHostRequestQueuePtr& instance)
{
if (instance->lastone())
if (instance->exactly_two_left()) // Being 'instance' and the one in sInstanceMap.
{
// The viewer can be have left main() we can't access the global sInstanceMap anymore.
if (LLApp::isStopped())
{
return;
}
instance_map_wat instance_map_w(sInstanceMap);
// It is possible that 'lastone' is not up to date anymore.
// It is possible that 'exactly_two_left' is not up to date anymore.
// Therefore, recheck the condition now that we have locked sInstanceMap.
if (!instance->lastone())
if (!instance->exactly_two_left())
{
// Some other thread added this host in the meantime.
return;