mirror of
https://github.com/yuzu-emu/yuzu.git
synced 2024-08-23 08:20:42 +02:00
core: Support session close with multicore.
This commit is contained in:
parent
a434fdcb10
commit
cba69fdcd4
@ -37,6 +37,9 @@ static void RunCpuCore(std::shared_ptr<Cpu> cpu_state) {
|
||||
System::ResultStatus System::RunLoop(bool tight_loop) {
|
||||
status = ResultStatus::Success;
|
||||
|
||||
// Update thread_to_cpu in case Core 0 is run from a different host thread
|
||||
thread_to_cpu[std::this_thread::get_id()] = cpu_cores[0];
|
||||
|
||||
if (GDBStub::IsServerEnabled()) {
|
||||
GDBStub::HandlePacket();
|
||||
|
||||
@ -186,17 +189,21 @@ void System::Shutdown() {
|
||||
gpu_core.reset();
|
||||
|
||||
// Close all CPU/threading state
|
||||
thread_to_cpu.clear();
|
||||
for (auto& cpu_core : cpu_cores) {
|
||||
cpu_core.reset();
|
||||
}
|
||||
cpu_barrier->NotifyEnd();
|
||||
for (auto& thread : cpu_core_threads) {
|
||||
thread->join();
|
||||
thread.reset();
|
||||
}
|
||||
thread_to_cpu.clear();
|
||||
for (auto& cpu_core : cpu_cores) {
|
||||
cpu_core.reset();
|
||||
}
|
||||
cpu_barrier.reset();
|
||||
|
||||
// Close core timing
|
||||
CoreTiming::Shutdown();
|
||||
|
||||
// Close app loader
|
||||
app_loader.reset();
|
||||
|
||||
NGLOG_DEBUG(Core, "Shutdown OK");
|
||||
|
@ -92,7 +92,7 @@ public:
|
||||
* @returns True if the emulated system is powered on, otherwise false.
|
||||
*/
|
||||
bool IsPoweredOn() const {
|
||||
return cpu_cores[0] != nullptr;
|
||||
return cpu_barrier && cpu_barrier->IsAlive();
|
||||
}
|
||||
|
||||
/**
|
||||
|
@ -19,6 +19,30 @@
|
||||
|
||||
namespace Core {
|
||||
|
||||
void CpuBarrier::NotifyEnd() {
|
||||
std::unique_lock<std::mutex> lock(mutex);
|
||||
end = true;
|
||||
condition.notify_all();
|
||||
}
|
||||
|
||||
bool CpuBarrier::Rendezvous() {
|
||||
if (end) {
|
||||
return false;
|
||||
} else {
|
||||
std::unique_lock<std::mutex> lock(mutex);
|
||||
|
||||
--cores_waiting;
|
||||
if (!cores_waiting) {
|
||||
cores_waiting = NUM_CPU_CORES;
|
||||
condition.notify_all();
|
||||
return true;
|
||||
}
|
||||
|
||||
condition.wait(lock);
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
Cpu::Cpu(std::shared_ptr<CpuBarrier> cpu_barrier, size_t core_index)
|
||||
: cpu_barrier{std::move(cpu_barrier)}, core_index{core_index} {
|
||||
|
||||
@ -38,7 +62,10 @@ Cpu::Cpu(std::shared_ptr<CpuBarrier> cpu_barrier, size_t core_index)
|
||||
|
||||
void Cpu::RunLoop(bool tight_loop) {
|
||||
// Wait for all other CPU cores to complete the previous slice, such that they run in lock-step
|
||||
cpu_barrier->Rendezvous();
|
||||
if (!cpu_barrier->Rendezvous()) {
|
||||
// If rendezvous failed, session has been killed
|
||||
return;
|
||||
}
|
||||
|
||||
// If we don't have a currently active thread then don't execute instructions,
|
||||
// instead advance to the next event and try to yield to the next thread
|
||||
|
@ -4,6 +4,7 @@
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <atomic>
|
||||
#include <condition_variable>
|
||||
#include <memory>
|
||||
#include <mutex>
|
||||
@ -22,23 +23,19 @@ constexpr unsigned NUM_CPU_CORES{4};
|
||||
|
||||
class CpuBarrier {
|
||||
public:
|
||||
void Rendezvous() {
|
||||
std::unique_lock<std::mutex> lock(mutex);
|
||||
|
||||
--cores_waiting;
|
||||
if (!cores_waiting) {
|
||||
cores_waiting = NUM_CPU_CORES;
|
||||
condition.notify_all();
|
||||
return;
|
||||
}
|
||||
|
||||
condition.wait(lock);
|
||||
bool IsAlive() const {
|
||||
return !end;
|
||||
}
|
||||
|
||||
void NotifyEnd();
|
||||
|
||||
bool Rendezvous();
|
||||
|
||||
private:
|
||||
unsigned cores_waiting{NUM_CPU_CORES};
|
||||
std::mutex mutex;
|
||||
std::condition_variable condition;
|
||||
std::atomic<bool> end{};
|
||||
};
|
||||
|
||||
class Cpu {
|
||||
|
Loading…
Reference in New Issue
Block a user