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hle: kernel: Move ServiceThread ownership to KernelCore.

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- Fixes a circular dependency which prevented threads from being released on shutdown.
This commit is contained in:
bunnei 2020-12-15 00:41:48 -08:00
parent f57be2e626
commit dfdac7d38a
4 changed files with 48 additions and 5 deletions
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21
src/core/hle/kernel/kernel.cpp
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@ -8,7 +8,7 @@
#include <functional>
#include <memory>
#include <thread>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include "common/assert.h"
@ -35,6 +35,7 @@
#include "core/hle/kernel/physical_core.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/resource_limit.h"
#include "core/hle/kernel/service_thread.h"
#include "core/hle/kernel/shared_memory.h"
#include "core/hle/kernel/synchronization.h"
#include "core/hle/kernel/thread.h"
@ -107,6 +108,9 @@ struct KernelCore::Impl {
std::fill(register_host_thread_keys.begin(), register_host_thread_keys.end(),
std::thread::id{});
std::fill(register_host_thread_values.begin(), register_host_thread_values.end(), 0);
// Ensures all service threads gracefully shutdown
service_threads.clear();
}
void InitializePhysicalCores() {
@ -345,6 +349,9 @@ struct KernelCore::Impl {
std::shared_ptr<Kernel::SharedMemory> irs_shared_mem;
std::shared_ptr<Kernel::SharedMemory> time_shared_mem;
// Threads used for services
std::unordered_set<std::shared_ptr<Kernel::ServiceThread>> service_threads;
std::array<std::shared_ptr<Thread>, Core::Hardware::NUM_CPU_CORES> suspend_threads{};
std::array<Core::CPUInterruptHandler, Core::Hardware::NUM_CPU_CORES> interrupts{};
std::array<std::unique_ptr<Kernel::KScheduler>, Core::Hardware::NUM_CPU_CORES> schedulers{};
@ -639,4 +646,16 @@ void KernelCore::ExitSVCProfile() {
MicroProfileLeave(MICROPROFILE_TOKEN(Kernel_SVC), impl->svc_ticks[core]);
}
std::weak_ptr<Kernel::ServiceThread> KernelCore::CreateServiceThread(const std::string& name) {
auto service_thread = std::make_shared<Kernel::ServiceThread>(*this, 1, name);
impl->service_threads.emplace(service_thread);
return service_thread;
}
void KernelCore::ReleaseServiceThread(std::weak_ptr<Kernel::ServiceThread> service_thread) {
if (auto strong_ptr = service_thread.lock()) {
impl->service_threads.erase(strong_ptr);
}
}
} // namespace Kernel