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JsrtRuntime.cpp
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143 lines (130 loc) · 4.46 KB
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//-------------------------------------------------------------------------------------------------------
// Copyright (C) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE.txt file in the project root for full license information.
//-------------------------------------------------------------------------------------------------------
#include <JsrtPch.h>
#include "JsrtRuntime.h"
#include "jsrtHelper.h"
#include "Base/ThreadContextTlsEntry.h"
#include "Base/ThreadBoundThreadContextManager.h"
JsrtRuntime::JsrtRuntime(ThreadContext * threadContext, bool useIdle, bool dispatchExceptions)
{
Assert(threadContext != NULL);
this->threadContext = threadContext;
this->contextList = NULL;
this->collectCallback = NULL;
this->beforeCollectCallback = NULL;
this->callbackContext = NULL;
this->allocationPolicyManager = threadContext->GetAllocationPolicyManager();
this->useIdle = useIdle;
this->dispatchExceptions = dispatchExceptions;
if (useIdle)
{
this->threadService.Initialize(threadContext);
}
threadContext->SetJSRTRuntime(this);
#ifdef ENABLE_DEBUG_CONFIG_OPTIONS
serializeByteCodeForLibrary = false;
#endif
this->jsrtDebugManager = nullptr;
}
JsrtRuntime::~JsrtRuntime()
{
HeapDelete(allocationPolicyManager);
if (this->jsrtDebugManager != nullptr)
{
HeapDelete(this->jsrtDebugManager);
this->jsrtDebugManager = nullptr;
}
}
// This is called at process detach.
// threadcontext created from runtime should not be destroyed in ThreadBoundThreadContext
// we should clean them up at process detach only as runtime can be used in other threads
// even after the current physical thread was destroyed.
// This is called after ThreadBoundThreadContext are cleaned up, so the remaining items
// in the globalthreadContext linklist should be for jsrt only.
void JsrtRuntime::Uninitialize()
{
ThreadContext* currentThreadContext = ThreadContext::GetThreadContextList();
ThreadContext* tmpThreadContext;
while (currentThreadContext)
{
Assert(!currentThreadContext->IsScriptActive());
JsrtRuntime* currentRuntime = static_cast<JsrtRuntime*>(currentThreadContext->GetJSRTRuntime());
tmpThreadContext = currentThreadContext;
currentThreadContext = currentThreadContext->Next();
currentRuntime->CloseContexts();
RentalThreadContextManager::DestroyThreadContext(tmpThreadContext);
HeapDelete(currentRuntime);
}
}
void JsrtRuntime::CloseContexts()
{
while (this->contextList != NULL)
{
this->contextList->Dispose(false);
// This will remove it from the list
}
}
void JsrtRuntime::SetBeforeCollectCallback(JsBeforeCollectCallback beforeCollectCallback, void * callbackContext)
{
if (beforeCollectCallback != NULL)
{
if (this->collectCallback == NULL)
{
this->collectCallback = this->threadContext->AddRecyclerCollectCallBack(RecyclerCollectCallbackStatic, this);
}
this->beforeCollectCallback = beforeCollectCallback;
this->callbackContext = callbackContext;
}
else
{
if (this->collectCallback != NULL)
{
this->threadContext->RemoveRecyclerCollectCallBack(this->collectCallback);
this->collectCallback = NULL;
}
this->beforeCollectCallback = NULL;
this->callbackContext = NULL;
}
}
void JsrtRuntime::RecyclerCollectCallbackStatic(void * context, RecyclerCollectCallBackFlags flags)
{
if (flags & Collect_Begin)
{
JsrtRuntime * _this = reinterpret_cast<JsrtRuntime *>(context);
try
{
JsrtCallbackState scope(reinterpret_cast<ThreadContext*>(_this->GetThreadContext()));
_this->beforeCollectCallback(_this->callbackContext);
}
catch (...)
{
AssertMsg(false, "Unexpected non-engine exception.");
}
}
}
unsigned int JsrtRuntime::Idle()
{
return this->threadService.Idle();
}
void JsrtRuntime::EnsureJsrtDebugManager()
{
if (this->jsrtDebugManager == nullptr)
{
this->jsrtDebugManager = HeapNew(JsrtDebugManager, this->threadContext);
}
Assert(this->jsrtDebugManager != nullptr);
}
void JsrtRuntime::DeleteJsrtDebugManager()
{
if (this->jsrtDebugManager != nullptr)
{
HeapDelete(this->jsrtDebugManager);
this->jsrtDebugManager = nullptr;
}
}
JsrtDebugManager * JsrtRuntime::GetJsrtDebugManager()
{
return this->jsrtDebugManager;
}