106 lines
2.6 KiB
C++
106 lines
2.6 KiB
C++
#include "exports.h"
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#include "logger.h"
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#include "sdcard.h"
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#include <condition_variable>
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#include <coreinit/cache.h>
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#include <coreinit/filesystem.h>
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#include <coreinit/thread.h>
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#include <mutex>
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#include <sdutils/sdutils.h>
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#include <thread>
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#include <wums.h>
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WUMS_MODULE_EXPORT_NAME("homebrew_sdhotswap");
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WUMS_MODULE_SKIP_INIT_FINI();
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// This NEEDS to be on the heap. Global DTOR are never called for modules
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// but we need a fresh instance of this condition_variable on each app change.
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std::condition_variable *cv = nullptr;
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std::mutex *cv_m = nullptr;
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std::thread *mountThread = nullptr;
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bool sStopThread = false;
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bool sIsSDInsertedAndMounted = false;
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int mount_thread() {
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std::unique_lock<std::mutex> lk(*cv_m);
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// Wait until the main thread has checked the sd status once.
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cv->wait(lk);
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while (!sStopThread) {
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auto newStatus = IsSDCardInserted();
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if (newStatus != sIsSDInsertedAndMounted) {
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if (newStatus) {
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if (MountSDCard()) {
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callAttachCallbacks(SDUTILS_ATTACH_MOUNTED);
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sIsSDInsertedAndMounted = true;
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}
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} else {
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if (UnmountSDCard()) {
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callAttachCallbacks(SDUTILS_ATTACH_UNMOUNTED);
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sIsSDInsertedAndMounted = false;
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}
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}
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OSMemoryBarrier();
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}
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OSSleepTicks(OSMillisecondsToTicks(100));
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}
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return 0;
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}
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WUMS_APPLICATION_STARTS() {
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initLogging();
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sStopThread = false;
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cv = new std::condition_variable;
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cv_m = new std::mutex;
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OSMemoryBarrier();
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mountThread = new std::thread(mount_thread);
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auto nativeHandle = (OSThread *) mountThread->native_handle();
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OSSetThreadName(nativeHandle, "SDHotSwapModuleThread");
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while (!OSSetThreadAffinity(nativeHandle, OS_THREAD_ATTRIB_AFFINITY_CPU2)) {
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OSSleepTicks(OSMillisecondsToTicks(16));
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}
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auto check = InitialSDCheck();
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if (check < 0) {
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// On error stop thread.
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sStopThread = true;
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} else {
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// Otherwise it retuns the current status.
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sIsSDInsertedAndMounted = check == 1;
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}
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OSMemoryBarrier();
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DEBUG_FUNCTION_LINE("Wake up the thread");
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// Now we can wake up the thread!
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cv->notify_all();
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}
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WUMS_APPLICATION_ENDS() {
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sStopThread = true;
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OSMemoryBarrier();
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cv->notify_all();
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if (mountThread != nullptr) {
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mountThread->join();
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delete mountThread;
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mountThread = nullptr;
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}
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DeInitSDCheck();
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delete cv;
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delete cv_m;
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cv = nullptr;
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cv_m = nullptr;
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OSMemoryBarrier();
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deinitLogging();
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}
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