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core: Switch to unique_ptr for usage of Common::Fiber.

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- With using unique_ptr instead of shared_ptr, we have more explicit ownership of the context.
- Fixes a memory leak due to circular reference of the shared pointer.
This commit is contained in:
bunnei 2021-02-27 11:56:04 -08:00
parent 09f7c355c6
commit 51fb0a6f96
10 changed files with 58 additions and 59 deletions
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11
src/core/cpu_manager.cpp
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@ -111,7 +111,7 @@ void CpuManager::MultiCoreRunGuestThread() {
auto& kernel = system.Kernel();
kernel.CurrentScheduler()->OnThreadStart();
auto* thread = kernel.CurrentScheduler()->GetCurrentThread();
auto& host_context = thread->GetHostContext();
auto host_context = thread->GetHostContext();
host_context->SetRewindPoint(GuestRewindFunction, this);
MultiCoreRunGuestLoop();
}
@ -148,7 +148,8 @@ void CpuManager::MultiCoreRunSuspendThread() {
auto core = kernel.GetCurrentHostThreadID();
auto& scheduler = *kernel.CurrentScheduler();
Kernel::KThread* current_thread = scheduler.GetCurrentThread();
Common::Fiber::YieldTo(current_thread->GetHostContext(), core_data[core].host_context);
Common::Fiber::YieldTo(current_thread->GetHostContext(),
core_data[core].host_context.get());
ASSERT(scheduler.ContextSwitchPending());
ASSERT(core == kernel.GetCurrentHostThreadID());
scheduler.RescheduleCurrentCore();
@ -201,7 +202,7 @@ void CpuManager::SingleCoreRunGuestThread() {
auto& kernel = system.Kernel();
kernel.CurrentScheduler()->OnThreadStart();
auto* thread = kernel.CurrentScheduler()->GetCurrentThread();
auto& host_context = thread->GetHostContext();
auto host_context = thread->GetHostContext();
host_context->SetRewindPoint(GuestRewindFunction, this);
SingleCoreRunGuestLoop();
}
@ -245,7 +246,7 @@ void CpuManager::SingleCoreRunSuspendThread() {
auto core = kernel.GetCurrentHostThreadID();
auto& scheduler = *kernel.CurrentScheduler();
Kernel::KThread* current_thread = scheduler.GetCurrentThread();
Common::Fiber::YieldTo(current_thread->GetHostContext(), core_data[0].host_context);
Common::Fiber::YieldTo(current_thread->GetHostContext(), core_data[0].host_context.get());
ASSERT(scheduler.ContextSwitchPending());
ASSERT(core == kernel.GetCurrentHostThreadID());
scheduler.RescheduleCurrentCore();
@ -363,7 +364,7 @@ void CpuManager::RunThread(std::size_t core) {
auto current_thread = system.Kernel().CurrentScheduler()->GetCurrentThread();
data.is_running = true;
Common::Fiber::YieldTo(data.host_context, current_thread->GetHostContext());
Common::Fiber::YieldTo(data.host_context.get(), current_thread->GetHostContext());
data.is_running = false;
data.is_paused = true;
data.exit_barrier->Wait();