mirror of
https://github.com/TwilitRealm/dusklight
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Lurs
92 lines
2.4 KiB
C++
92 lines
2.4 KiB
C++
/**
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* m_Do_DVDError.cpp
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* DVD Error Handling
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*/
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#include "m_Do/m_Do_DVDError.h"
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#include <dolphin/os.h>
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#include "JSystem/JKernel/JKRAssertHeap.h"
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#include "m_Do/m_Do_Reset.h"
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#include "m_Do/m_Do_dvd_thread.h"
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#include "m_Do/m_Do_ext.h"
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// Added for the sleep workaround
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#include <chrono>
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#include <thread>
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#if PLATFORM_GCN
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const int stack_size = 3072;
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#else
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const int stack_size = 8192;
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#endif
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bool mDoDvdErr_initialized;
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static OSThread DvdErr_thread;
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#pragma push
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#pragma force_active on
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static u8 DvdErr_stack[stack_size] ATTRIBUTE_ALIGN(16);
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#pragma pop
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// Alarm is not needed for the PC workaround
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// static OSAlarm Alarm;
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void mDoDvdErr_ThdInit() {
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if (mDoDvdErr_initialized) {
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return;
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}
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// OSTime time = OSGetTime(); // Unused in workaround
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OSCreateThread(&DvdErr_thread, (void* (*)(void*))mDoDvdErr_Watch, NULL,
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DvdErr_stack + sizeof(DvdErr_stack), sizeof(DvdErr_stack),
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OSGetThreadPriority(OSGetCurrentThread()) - 3, 1);
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OSResumeThread(&DvdErr_thread);
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// PC Workaround: Disable Alarm logic. The thread will sleep itself.
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// OSCreateAlarm(&Alarm);
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// OSSetPeriodicAlarm(&Alarm, time, OS_BUS_CLOCK / 4, AlarmHandler);
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mDoDvdErr_initialized = true;
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}
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void mDoDvdErr_ThdCleanup() {
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if (mDoDvdErr_initialized) {
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OSCancelThread(&DvdErr_thread);
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// OSCancelAlarm(&Alarm); // Disable Alarm cancel
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mDoDvdErr_initialized = false;
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}
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}
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static void mDoDvdErr_Watch(void*) {
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#if PLATFORM_GCN
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OSDisableInterrupts();
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#endif
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JKRThread(OSGetCurrentThread(), 0);
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JKRSetCurrentHeap(mDoExt_getAssertHeap());
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s32 status;
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do {
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status = DVDGetDriveStatus();
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if (status == DVD_STATE_FATAL_ERROR) {
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mDoDvdThd::suspend();
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}
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// PC Workaround:
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// Instead of suspending and waiting for an Alarm (which might not be implemented),
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// we simply sleep for a short duration.
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// OS_BUS_CLOCK / 4 corresponds to roughly 1/4th of a second on GC.
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// We use 250ms here to simulate the periodic check.
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// OSSuspendThread(&DvdErr_thread); // <-- Original causing deadlock without Alarm
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std::this_thread::sleep_for(std::chrono::milliseconds(250));
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} while (true);
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}
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static void AlarmHandler(OSAlarm*, OSContext*) {
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// This handler is no longer called in the PC workaround
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OSResumeThread(&DvdErr_thread);
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} |