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kernel/thread: use std::unordered_map for callback record

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This commit is contained in:
Weiyi Wang 2018-10-18 22:19:29 -04:00
parent 5b45a3e1b5
commit fda2a5cf54
2 changed files with 12 additions and 16 deletions
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25
src/core/hle/kernel/thread.cpp
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@ -4,6 +4,7 @@
#include <algorithm>
#include <list>
#include <unordered_map>
#include <vector>
#include "common/assert.h"
#include "common/common_types.h"
@ -37,9 +38,8 @@ void Thread::Acquire(Thread* thread) {
ASSERT_MSG(!ShouldWait(thread), "object unavailable!");
}
// TODO(yuriks): This can be removed if Thread objects are explicitly pooled in the future, allowing
// us to simply use a pool index or similar.
static Kernel::HandleTable wakeup_callback_handle_table;
static u64 next_callback_id;
static std::unordered_map<u64, Thread*> wakeup_callback_table;
// Lists all thread ids that aren't deleted/etc.
static std::vector<SharedPtr<Thread>> thread_list;
@ -69,9 +69,8 @@ Thread* GetCurrentThread() {
void Thread::Stop() {
// Cancel any outstanding wakeup events for this thread
CoreTiming::UnscheduleEvent(ThreadWakeupEventType, callback_handle);
wakeup_callback_handle_table.Close(callback_handle);
callback_handle = 0;
CoreTiming::UnscheduleEvent(ThreadWakeupEventType, thread_id);
wakeup_callback_table.erase(thread_id);
// Clean up thread from ready queue
// This is only needed when the thread is termintated forcefully (SVC TerminateProcess)
@ -125,7 +124,7 @@ static void SwitchContext(Thread* new_thread) {
"Thread must be ready to become running.");
// Cancel any outstanding wakeup events for this thread
CoreTiming::UnscheduleEvent(ThreadWakeupEventType, new_thread->callback_handle);
CoreTiming::UnscheduleEvent(ThreadWakeupEventType, new_thread->thread_id);
auto previous_process = Core::System::GetInstance().Kernel().GetCurrentProcess();
@ -185,13 +184,13 @@ void ExitCurrentThread() {
/**
* Callback that will wake up the thread it was scheduled for
* @param thread_handle The handle of the thread that's been awoken
* @param thread_id The ID of the thread that's been awoken
* @param cycles_late The number of CPU cycles that have passed since the desired wakeup time
*/
static void ThreadWakeupCallback(u64 thread_handle, s64 cycles_late) {
SharedPtr<Thread> thread = wakeup_callback_handle_table.Get<Thread>((Handle)thread_handle);
static void ThreadWakeupCallback(u64 thread_id, s64 cycles_late) {
SharedPtr<Thread> thread = wakeup_callback_table.at(thread_id);
if (thread == nullptr) {
LOG_CRITICAL(Kernel, "Callback fired for invalid thread {:08X}", (Handle)thread_handle);
LOG_CRITICAL(Kernel, "Callback fired for invalid thread {:08X}", thread_id);
return;
}
@ -217,7 +216,7 @@ void Thread::WakeAfterDelay(s64 nanoseconds) {
if (nanoseconds == -1)
return;
CoreTiming::ScheduleEvent(nsToCycles(nanoseconds), ThreadWakeupEventType, callback_handle);
CoreTiming::ScheduleEvent(nsToCycles(nanoseconds), ThreadWakeupEventType, thread_id);
}
void Thread::ResumeFromWait() {
@ -359,7 +358,7 @@ ResultVal<SharedPtr<Thread>> KernelSystem::CreateThread(std::string name, VAddr
thread->wait_objects.clear();
thread->wait_address = 0;
thread->name = std::move(name);
thread->callback_handle = wakeup_callback_handle_table.Create(thread).Unwrap();
wakeup_callback_table[thread->thread_id] = thread.get();
thread->owner_process = owner_process;
// Find the next available TLS index, and mark it as used

3
src/core/hle/kernel/thread.h
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@ -199,9 +199,6 @@ public:
std::string name;
/// Handle used as userdata to reference this object when inserting into the CoreTiming queue.
Handle callback_handle;
using WakeupCallback = void(ThreadWakeupReason reason, SharedPtr<Thread> thread,
SharedPtr<WaitObject> object);
// Callback that will be invoked when the thread is resumed from a waiting state. If the thread