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hle: kernel: process: Add state lock.

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This commit is contained in:
bunnei 2021-01-24 22:54:37 -08:00
parent ff46ef7ea3
commit 3856564727
3 changed files with 15 additions and 6 deletions
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4
src/core/hle/kernel/process.cpp
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@ -138,7 +138,7 @@ std::shared_ptr<ResourceLimit> Process::GetResourceLimit() const {
void Process::IncrementThreadCount() {
ASSERT(num_threads >= 0);
++num_created_threads;
num_created_threads++;
if (const auto count = ++num_threads; count > peak_num_threads) {
peak_num_threads = count;
@ -443,7 +443,7 @@ bool Process::IsSignaled() const {
Process::Process(Core::System& system)
: KSynchronizationObject{system.Kernel()},
page_table{std::make_unique<Memory::PageTable>(system)}, handle_table{system.Kernel()},
address_arbiter{system}, condition_var{system}, system{system} {}
address_arbiter{system}, condition_var{system}, state_lock{system.Kernel()}, system{system} {}
Process::~Process() = default;

6
src/core/hle/kernel/process.h
View file

@ -348,6 +348,10 @@ public:
void PinCurrentThread();
void UnpinCurrentThread();
KLightLock& GetStateLock() {
return state_lock;
}
///////////////////////////////////////////////////////////////////////////////////////////////
// Thread-local storage management
@ -472,6 +476,8 @@ private:
KThread* exception_thread{};
KLightLock state_lock;
/// System context
Core::System& system;
};

11
src/core/hle/kernel/svc.cpp
View file

@ -1450,11 +1450,14 @@ static ResultCode CreateThread(Core::System& system, Handle* out_handle, VAddr e
Svc::ResultInvalidPriority);
R_UNLESS(process.CheckThreadPriority(priority), Svc::ResultInvalidPriority);
ASSERT(kernel.CurrentProcess()->GetResourceLimit()->Reserve(ResourceType::Threads, 1));
ASSERT(process.GetResourceLimit()->Reserve(ResourceType::Threads, 1));
CASCADE_RESULT(std::shared_ptr<KThread> thread,
KThread::Create(system, ThreadType::User, "", entry_point, priority, arg,
core_id, stack_bottom, &process));
std::shared_ptr<KThread> thread;
{
KScopedLightLock lk{process.GetStateLock()};
CASCADE_RESULT(thread, KThread::Create(system, ThreadType::User, "", entry_point, priority,
arg, core_id, stack_bottom, &process));
}
const auto new_thread_handle = process.GetHandleTable().Create(thread);
if (new_thread_handle.Failed()) {