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core: hle: kernel: Allocate dummy threads on host thread storage.

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- Fixes a crash where on subsequent boots, long-lived host threads would have their dummy threads freed.
This commit is contained in:
bunnei 2022-03-12 03:06:57 -08:00
parent 82a2463062
commit 5f3e77d93e
2 changed files with 6 additions and 8 deletions
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9
src/core/hle/kernel/kernel.cpp
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@ -283,15 +283,16 @@ struct KernelCore::Impl {
// Gets the dummy KThread for the caller, allocating a new one if this is the first time
KThread* GetHostDummyThread() {
auto make_thread = [this]() {
KThread* thread = KThread::Create(system.Kernel());
auto initialize = [this](KThread* thread) {
ASSERT(KThread::InitializeDummyThread(thread).IsSuccess());
thread->SetName(fmt::format("DummyThread:{}", GetHostThreadId()));
return thread;
};
thread_local KThread* saved_thread = make_thread();
return saved_thread;
thread_local auto raw_thread = KThread(system.Kernel());
thread_local auto thread = initialize(&raw_thread);
return thread;
}
/// Registers a CPU core thread by allocating a host thread ID for it

5
src/core/hle/kernel/service_thread.cpp
View file

@ -49,12 +49,9 @@ ServiceThread::Impl::Impl(KernelCore& kernel, std::size_t num_threads, const std
return;
}
// Allocate a dummy guest thread for this host thread.
kernel.RegisterHostThread();
// Ensure the dummy thread allocated for this host thread is closed on exit.
auto* dummy_thread = kernel.GetCurrentEmuThread();
SCOPE_EXIT({ dummy_thread->Close(); });
while (true) {
std::function<void()> task;