src/platform/qt/CoreController.cpp (view raw)
1/* Copyright (c) 2013-2017 Jeffrey Pfau
2 *
3 * This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6#include "CoreController.h"
7
8#include "ConfigController.h"
9#include "InputController.h"
10#include "LogController.h"
11#include "MultiplayerController.h"
12#include "Override.h"
13
14#include <QDateTime>
15#include <QMutexLocker>
16
17#include <mgba/core/serialize.h>
18#include <mgba/feature/video-logger.h>
19#ifdef M_CORE_GBA
20#include <mgba/internal/gba/gba.h>
21#include <mgba/internal/gba/renderers/tile-cache.h>
22#include <mgba/internal/gba/sharkport.h>
23#endif
24#ifdef M_CORE_GB
25#include <mgba/internal/gb/gb.h>
26#include <mgba/internal/gb/renderers/tile-cache.h>
27#endif
28#include <mgba-util/vfs.h>
29
30using namespace QGBA;
31
32
33CoreController::CoreController(mCore* core, QObject* parent)
34 : QObject(parent)
35 , m_saveStateFlags(SAVESTATE_SCREENSHOT | SAVESTATE_SAVEDATA | SAVESTATE_CHEATS | SAVESTATE_RTC)
36 , m_loadStateFlags(SAVESTATE_SCREENSHOT | SAVESTATE_RTC)
37{
38 m_threadContext.core = core;
39 m_threadContext.userData = this;
40
41 QSize size = screenDimensions();
42 m_buffers[0].resize(size.width() * size.height() * sizeof(color_t));
43 m_buffers[1].resize(size.width() * size.height() * sizeof(color_t));
44 m_activeBuffer = &m_buffers[0];
45
46 m_threadContext.core->setVideoBuffer(m_threadContext.core, reinterpret_cast<color_t*>(m_activeBuffer->data()), size.width());
47
48 m_threadContext.startCallback = [](mCoreThread* context) {
49 CoreController* controller = static_cast<CoreController*>(context->userData);
50 context->core->setPeripheral(context->core, mPERIPH_ROTATION, controller->m_inputController->rotationSource());
51 context->core->setPeripheral(context->core, mPERIPH_RUMBLE, controller->m_inputController->rumble());
52
53 switch (context->core->platform(context->core)) {
54#ifdef M_CORE_GBA
55 case PLATFORM_GBA:
56 context->core->setPeripheral(context->core, mPERIPH_GBA_LUMINANCE, controller->m_inputController->luminance());
57 break;
58#endif
59 default:
60 break;
61 }
62
63 if (controller->m_override) {
64 controller->m_override->identify(context->core);
65 controller->m_override->apply(context->core);
66 }
67
68 if (mCoreLoadState(context->core, 0, controller->m_loadStateFlags)) {
69 mCoreDeleteState(context->core, 0);
70 }
71
72 if (controller->m_multiplayer) {
73 controller->m_multiplayer->attachGame(controller);
74 }
75
76 QMetaObject::invokeMethod(controller, "started");
77 };
78
79 m_threadContext.resetCallback = [](mCoreThread* context) {
80 CoreController* controller = static_cast<CoreController*>(context->userData);
81 for (auto action : controller->m_resetActions) {
82 action();
83 }
84 controller->m_resetActions.clear();
85
86 controller->m_activeBuffer->fill(0xFF);
87 controller->finishFrame();
88 };
89
90 m_threadContext.frameCallback = [](mCoreThread* context) {
91 CoreController* controller = static_cast<CoreController*>(context->userData);
92
93 controller->finishFrame();
94 };
95
96 m_threadContext.cleanCallback = [](mCoreThread* context) {
97 CoreController* controller = static_cast<CoreController*>(context->userData);
98
99 controller->clearMultiplayerController();
100 QMetaObject::invokeMethod(controller, "stopping");
101 };
102
103 m_threadContext.logger.d.log = [](mLogger* logger, int category, enum mLogLevel level, const char* format, va_list args) {
104 mThreadLogger* logContext = reinterpret_cast<mThreadLogger*>(logger);
105 mCoreThread* context = logContext->p;
106
107 static const char* savestateMessage = "State %i loaded";
108 static const char* savestateFailedMessage = "State %i failed to load";
109 static int biosCat = -1;
110 static int statusCat = -1;
111 if (!context) {
112 return;
113 }
114 CoreController* controller = static_cast<CoreController*>(context->userData);
115 QString message;
116 if (biosCat < 0) {
117 biosCat = mLogCategoryById("gba.bios");
118 }
119 if (statusCat < 0) {
120 statusCat = mLogCategoryById("core.status");
121 }
122#ifdef M_CORE_GBA
123 if (level == mLOG_STUB && category == biosCat) {
124 va_list argc;
125 va_copy(argc, args);
126 int immediate = va_arg(argc, int);
127 va_end(argc);
128 QMetaObject::invokeMethod(controller, "unimplementedBiosCall", Q_ARG(int, immediate));
129 } else
130#endif
131 if (category == statusCat) {
132 // Slot 0 is reserved for suspend points
133 if (strncmp(savestateMessage, format, strlen(savestateMessage)) == 0) {
134 va_list argc;
135 va_copy(argc, args);
136 int slot = va_arg(argc, int);
137 va_end(argc);
138 if (slot == 0) {
139 format = "Loaded suspend state";
140 }
141 } else if (strncmp(savestateFailedMessage, format, strlen(savestateFailedMessage)) == 0) {
142 va_list argc;
143 va_copy(argc, args);
144 int slot = va_arg(argc, int);
145 va_end(argc);
146 if (slot == 0) {
147 return;
148 }
149 }
150 message = QString().vsprintf(format, args);
151 QMetaObject::invokeMethod(controller, "statusPosted", Q_ARG(const QString&, message));
152 }
153 if (level == mLOG_FATAL) {
154 mCoreThreadMarkCrashed(controller->thread());
155 QMetaObject::invokeMethod(controller, "crashed", Q_ARG(const QString&, QString().vsprintf(format, args)));
156 }
157 message = QString().vsprintf(format, args);
158 QMetaObject::invokeMethod(controller, "logPosted", Q_ARG(int, level), Q_ARG(int, category), Q_ARG(const QString&, message));
159 };
160}
161
162CoreController::~CoreController() {
163 endVideoLog();
164 stop();
165 disconnect();
166
167 if (m_tileCache) {
168 mTileCacheDeinit(m_tileCache.get());
169 m_tileCache.reset();
170 }
171
172 mCoreThreadJoin(&m_threadContext);
173
174 mCoreConfigDeinit(&m_threadContext.core->config);
175 m_threadContext.core->deinit(m_threadContext.core);
176}
177
178color_t* CoreController::drawContext() {
179 QMutexLocker locker(&m_mutex);
180 if (!m_completeBuffer) {
181 return nullptr;
182 }
183 return reinterpret_cast<color_t*>(m_completeBuffer->data());
184}
185
186bool CoreController::isPaused() {
187 return mCoreThreadIsPaused(&m_threadContext);
188}
189
190mPlatform CoreController::platform() const {
191 return m_threadContext.core->platform(m_threadContext.core);
192}
193
194QSize CoreController::screenDimensions() const {
195 unsigned width, height;
196 m_threadContext.core->desiredVideoDimensions(m_threadContext.core, &width, &height);
197
198 return QSize(width, height);
199}
200
201void CoreController::loadConfig(ConfigController* config) {
202 Interrupter interrupter(this);
203 m_loadStateFlags = config->getOption("loadStateExtdata").toInt();
204 m_saveStateFlags = config->getOption("saveStateExtdata").toInt();
205 m_fastForwardRatio = config->getOption("fastForwardRatio").toFloat();
206 m_videoSync = config->getOption("videoSync").toInt();
207 m_audioSync = config->getOption("audioSync").toInt();
208 m_fpsTarget = config->getOption("fpsTarget").toFloat();
209 updateFastForward();
210 mCoreLoadForeignConfig(m_threadContext.core, config->config());
211 mCoreThreadRewindParamsChanged(&m_threadContext);
212}
213
214#ifdef USE_DEBUGGERS
215void CoreController::setDebugger(mDebugger* debugger) {
216 Interrupter interrupter(this);
217 if (debugger) {
218 mDebuggerAttach(debugger, m_threadContext.core);
219 } else {
220 m_threadContext.core->detachDebugger(m_threadContext.core);
221 }
222}
223#endif
224
225void CoreController::setMultiplayerController(MultiplayerController* controller) {
226 if (controller == m_multiplayer) {
227 return;
228 }
229 clearMultiplayerController();
230 m_multiplayer = controller;
231 if (!mCoreThreadHasStarted(&m_threadContext)) {
232 return;
233 }
234 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* thread) {
235 CoreController* controller = static_cast<CoreController*>(thread->userData);
236 controller->m_multiplayer->attachGame(controller);
237 });
238}
239
240void CoreController::clearMultiplayerController() {
241 if (!m_multiplayer) {
242 return;
243 }
244 m_multiplayer->detachGame(this);
245 m_multiplayer = nullptr;
246}
247
248mTileCache* CoreController::tileCache() {
249 if (m_tileCache) {
250 return m_tileCache.get();
251 }
252 Interrupter interrupter(this);
253 switch (platform()) {
254#ifdef M_CORE_GBA
255 case PLATFORM_GBA: {
256 GBA* gba = static_cast<GBA*>(m_threadContext.core->board);
257 m_tileCache = std::make_unique<mTileCache>();
258 GBAVideoTileCacheInit(m_tileCache.get());
259 GBAVideoTileCacheAssociate(m_tileCache.get(), &gba->video);
260 mTileCacheSetPalette(m_tileCache.get(), 0);
261 break;
262 }
263#endif
264#ifdef M_CORE_GB
265 case PLATFORM_GB: {
266 GB* gb = static_cast<GB*>(m_threadContext.core->board);
267 m_tileCache = std::make_unique<mTileCache>();
268 GBVideoTileCacheInit(m_tileCache.get());
269 GBVideoTileCacheAssociate(m_tileCache.get(), &gb->video);
270 mTileCacheSetPalette(m_tileCache.get(), 0);
271 break;
272 }
273#endif
274 default:
275 return nullptr;
276 }
277 return m_tileCache.get();
278}
279
280void CoreController::setOverride(std::unique_ptr<Override> override) {
281 Interrupter interrupter(this);
282 m_override = std::move(override);
283 m_override->identify(m_threadContext.core);
284}
285
286void CoreController::setInputController(InputController* inputController) {
287 m_inputController = inputController;
288}
289
290void CoreController::setLogger(LogController* logger) {
291 disconnect(m_log);
292 m_log = logger;
293 m_threadContext.logger.d.filter = logger->filter();
294 connect(this, &CoreController::logPosted, m_log, &LogController::postLog);
295}
296
297void CoreController::start() {
298 if (!m_patched) {
299 mCoreAutoloadPatch(m_threadContext.core);
300 }
301 if (!mCoreThreadStart(&m_threadContext)) {
302 emit failed();
303 emit stopping();
304 }
305}
306
307void CoreController::stop() {
308#ifdef USE_DEBUGGERS
309 setDebugger(nullptr);
310#endif
311 setPaused(false);
312 mCoreThreadEnd(&m_threadContext);
313 emit stopping();
314}
315
316void CoreController::reset() {
317 bool wasPaused = isPaused();
318 setPaused(false);
319 Interrupter interrupter(this);
320 mCoreThreadReset(&m_threadContext);
321 if (wasPaused) {
322 setPaused(true);
323 }
324}
325
326void CoreController::setPaused(bool paused) {
327 if (paused == isPaused()) {
328 return;
329 }
330 if (paused) {
331 QMutexLocker locker(&m_mutex);
332 m_frameActions.append([this]() {
333 mCoreThreadPauseFromThread(&m_threadContext);
334 QMetaObject::invokeMethod(this, "paused");
335 });
336 } else {
337 mCoreThreadUnpause(&m_threadContext);
338 emit unpaused();
339 }
340}
341
342void CoreController::frameAdvance() {
343 QMutexLocker locker(&m_mutex);
344 m_frameActions.append([this]() {
345 mCoreThreadPauseFromThread(&m_threadContext);
346 });
347 setPaused(false);
348}
349
350void CoreController::setSync(bool sync) {
351 if (sync) {
352 m_threadContext.impl->sync.audioWait = m_audioSync;
353 m_threadContext.impl->sync.videoFrameWait = m_videoSync;
354 } else {
355 m_threadContext.impl->sync.audioWait = false;
356 m_threadContext.impl->sync.videoFrameWait = false;
357 }
358}
359
360void CoreController::setRewinding(bool rewind) {
361 if (!m_threadContext.core->opts.rewindEnable) {
362 return;
363 }
364 if (rewind && m_multiplayer && m_multiplayer->attached() > 1) {
365 return;
366 }
367
368 if (rewind && isPaused()) {
369 setPaused(false);
370 // TODO: restore autopausing
371 }
372 mCoreThreadSetRewinding(&m_threadContext, rewind);
373}
374
375void CoreController::rewind(int states) {
376 {
377 Interrupter interrupter(this);
378 if (!states) {
379 states = INT_MAX;
380 }
381 for (int i = 0; i < states; ++i) {
382 if (!mCoreRewindRestore(&m_threadContext.impl->rewind, m_threadContext.core)) {
383 break;
384 }
385 }
386 }
387 emit frameAvailable();
388 emit rewound();
389}
390
391void CoreController::setFastForward(bool enable) {
392 m_fastForward = enable;
393 updateFastForward();
394}
395
396void CoreController::forceFastForward(bool enable) {
397 m_fastForwardForced = enable;
398 updateFastForward();
399}
400
401void CoreController::loadState(int slot) {
402 if (slot > 0 && slot != m_stateSlot) {
403 m_stateSlot = slot;
404 m_backupSaveState.clear();
405 }
406 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
407 CoreController* controller = static_cast<CoreController*>(context->userData);
408 if (!controller->m_backupLoadState.isOpen()) {
409 controller->m_backupLoadState = VFileMemChunk(nullptr, 0);
410 }
411 mCoreSaveStateNamed(context->core, controller->m_backupLoadState, controller->m_saveStateFlags);
412 if (mCoreLoadState(context->core, controller->m_stateSlot, controller->m_loadStateFlags)) {
413 emit controller->frameAvailable();
414 emit controller->stateLoaded();
415 }
416 });
417}
418
419void CoreController::saveState(int slot) {
420 if (slot > 0) {
421 m_stateSlot = slot;
422 }
423 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
424 CoreController* controller = static_cast<CoreController*>(context->userData);
425 VFile* vf = mCoreGetState(context->core, controller->m_stateSlot, false);
426 if (vf) {
427 controller->m_backupSaveState.resize(vf->size(vf));
428 vf->read(vf, controller->m_backupSaveState.data(), controller->m_backupSaveState.size());
429 vf->close(vf);
430 }
431 mCoreSaveState(context->core, controller->m_stateSlot, controller->m_saveStateFlags);
432 });
433}
434
435void CoreController::loadBackupState() {
436 if (!m_backupLoadState.isOpen()) {
437 return;
438 }
439
440 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
441 CoreController* controller = static_cast<CoreController*>(context->userData);
442 controller->m_backupLoadState.seek(0);
443 if (mCoreLoadStateNamed(context->core, controller->m_backupLoadState, controller->m_loadStateFlags)) {
444 mLOG(STATUS, INFO, "Undid state load");
445 controller->frameAvailable();
446 controller->stateLoaded();
447 }
448 controller->m_backupLoadState.close();
449 });
450}
451
452void CoreController::saveBackupState() {
453 if (m_backupSaveState.isEmpty()) {
454 return;
455 }
456
457 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
458 CoreController* controller = static_cast<CoreController*>(context->userData);
459 VFile* vf = mCoreGetState(context->core, controller->m_stateSlot, true);
460 if (vf) {
461 vf->write(vf, controller->m_backupSaveState.constData(), controller->m_backupSaveState.size());
462 vf->close(vf);
463 mLOG(STATUS, INFO, "Undid state save");
464 }
465 controller->m_backupSaveState.clear();
466 });
467}
468
469void CoreController::loadSave(const QString& path, bool temporary) {
470 m_resetActions.append([this, path, temporary]() {
471 VFile* vf = VFileDevice::open(path, temporary ? O_RDONLY : O_RDWR);
472 if (!vf) {
473 LOG(QT, ERROR) << tr("Failed to open save file: %1").arg(path);
474 return;
475 }
476
477 if (temporary) {
478 m_threadContext.core->loadTemporarySave(m_threadContext.core, vf);
479 } else {
480 m_threadContext.core->loadSave(m_threadContext.core, vf);
481 }
482 });
483 reset();
484}
485
486void CoreController::loadPatch(const QString& patchPath) {
487 Interrupter interrupter(this);
488 VFile* patch = VFileDevice::open(patchPath, O_RDONLY);
489 if (patch) {
490 m_threadContext.core->loadPatch(m_threadContext.core, patch);
491 m_patched = true;
492 }
493 patch->close(patch);
494 if (mCoreThreadHasStarted(&m_threadContext)) {
495 reset();
496 }
497}
498
499void CoreController::replaceGame(const QString& path) {
500 QFileInfo info(path);
501 if (!info.isReadable()) {
502 LOG(QT, ERROR) << tr("Failed to open game file: %1").arg(path);
503 return;
504 }
505 QString fname = info.canonicalFilePath();
506 Interrupter interrupter(this);
507 mDirectorySetDetachBase(&m_threadContext.core->dirs);
508 mCoreLoadFile(m_threadContext.core, fname.toLocal8Bit().constData());
509}
510
511void CoreController::yankPak() {
512#ifdef M_CORE_GBA
513 if (platform() != PLATFORM_GBA) {
514 return;
515 }
516 Interrupter interrupter(this);
517 GBAYankROM(static_cast<GBA*>(m_threadContext.core->board));
518#endif
519}
520
521void CoreController::addKey(int key) {
522 m_activeKeys |= 1 << key;
523}
524
525void CoreController::clearKey(int key) {
526 m_activeKeys &= ~(1 << key);
527}
528
529void CoreController::setAutofire(int key, bool enable) {
530 if (key >= 32 || key < 0) {
531 return;
532 }
533
534 m_autofire[key] = enable;
535 m_autofireStatus[key] = 0;
536}
537
538#ifdef USE_PNG
539void CoreController::screenshot() {
540 mCoreThreadRunFunction(&m_threadContext, [](mCoreThread* context) {
541 mCoreTakeScreenshot(context->core);
542 });
543}
544#endif
545
546void CoreController::setRealTime() {
547 m_threadContext.core->rtc.override = RTC_NO_OVERRIDE;
548}
549
550void CoreController::setFixedTime(const QDateTime& time) {
551 m_threadContext.core->rtc.override = RTC_FIXED;
552 m_threadContext.core->rtc.value = time.toMSecsSinceEpoch();
553}
554
555void CoreController::setFakeEpoch(const QDateTime& time) {
556 m_threadContext.core->rtc.override = RTC_FAKE_EPOCH;
557 m_threadContext.core->rtc.value = time.toMSecsSinceEpoch();
558}
559
560void CoreController::importSharkport(const QString& path) {
561#ifdef M_CORE_GBA
562 if (platform() != PLATFORM_GBA) {
563 return;
564 }
565 VFile* vf = VFileDevice::open(path, O_RDONLY);
566 if (!vf) {
567 LOG(QT, ERROR) << tr("Failed to open snapshot file for reading: %1").arg(path);
568 return;
569 }
570 Interrupter interrupter(this);
571 GBASavedataImportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf, false);
572 vf->close(vf);
573#endif
574}
575
576void CoreController::exportSharkport(const QString& path) {
577#ifdef M_CORE_GBA
578 if (platform() != PLATFORM_GBA) {
579 return;
580 }
581 VFile* vf = VFileDevice::open(path, O_WRONLY | O_CREAT | O_TRUNC);
582 if (!vf) {
583 LOG(QT, ERROR) << tr("Failed to open snapshot file for writing: %1").arg(path);
584 return;
585 }
586 Interrupter interrupter(this);
587 GBASavedataExportSharkPort(static_cast<GBA*>(m_threadContext.core->board), vf);
588 vf->close(vf);
589#endif
590}
591
592void CoreController::setAVStream(mAVStream* stream) {
593 Interrupter interrupter(this);
594 m_threadContext.core->setAVStream(m_threadContext.core, stream);
595}
596
597void CoreController::clearAVStream() {
598 Interrupter interrupter(this);
599 m_threadContext.core->setAVStream(m_threadContext.core, nullptr);
600}
601
602void CoreController::clearOverride() {
603 m_override.reset();
604}
605
606void CoreController::startVideoLog(const QString& path) {
607 if (m_vl) {
608 return;
609 }
610
611 Interrupter interrupter(this);
612 m_vl = mVideoLogContextCreate(m_threadContext.core);
613 m_vlVf = VFileDevice::open(path, O_WRONLY | O_CREAT | O_TRUNC);
614 mVideoLogContextSetOutput(m_vl, m_vlVf);
615 mVideoLogContextWriteHeader(m_vl, m_threadContext.core);
616}
617
618void CoreController::endVideoLog() {
619 if (!m_vl) {
620 return;
621 }
622
623 Interrupter interrupter(this);
624 mVideoLogContextDestroy(m_threadContext.core, m_vl);
625 if (m_vlVf) {
626 m_vlVf->close(m_vlVf);
627 m_vlVf = nullptr;
628 }
629 m_vl = nullptr;
630}
631
632void CoreController::updateKeys() {
633 int activeKeys = m_activeKeys | updateAutofire() | m_inputController->pollEvents();
634 m_threadContext.core->setKeys(m_threadContext.core, activeKeys);
635}
636
637int CoreController::updateAutofire() {
638 int active = 0;
639 for (int k = 0; k < 32; ++k) {
640 if (!m_autofire[k]) {
641 continue;
642 }
643 ++m_autofireStatus[k];
644 if (m_autofireStatus[k]) {
645 m_autofireStatus[k] = 0;
646 active |= 1 << k;
647 }
648 }
649 return active;
650}
651
652void CoreController::finishFrame() {
653 QMutexLocker locker(&m_mutex);
654 m_completeBuffer = m_activeBuffer;
655
656 // TODO: Generalize this to triple buffering?
657 m_activeBuffer = &m_buffers[0];
658 if (m_activeBuffer == m_completeBuffer) {
659 m_activeBuffer = &m_buffers[1];
660 }
661 m_threadContext.core->setVideoBuffer(m_threadContext.core, reinterpret_cast<color_t*>(m_activeBuffer->data()), screenDimensions().width());
662
663 for (auto& action : m_frameActions) {
664 action();
665 }
666 m_frameActions.clear();
667 updateKeys();
668
669 QMetaObject::invokeMethod(this, "frameAvailable");
670}
671
672void CoreController::updateFastForward() {
673 if (m_fastForward || m_fastForwardForced) {
674 if (m_fastForwardRatio > 0) {
675 m_threadContext.impl->sync.fpsTarget = m_fpsTarget * m_fastForwardRatio;
676 } else {
677 setSync(false);
678 }
679 } else {
680 m_threadContext.impl->sync.fpsTarget = m_fpsTarget;
681 setSync(true);
682 }
683}
684
685CoreController::Interrupter::Interrupter(CoreController* parent, bool fromThread)
686 : m_parent(parent)
687{
688 if (!m_parent->thread()->impl) {
689 return;
690 }
691 if (!fromThread) {
692 mCoreThreadInterrupt(m_parent->thread());
693 } else {
694 mCoreThreadInterruptFromThread(m_parent->thread());
695 }
696}
697
698CoreController::Interrupter::Interrupter(std::shared_ptr<CoreController> parent, bool fromThread)
699 : m_parent(parent.get())
700{
701 if (!m_parent->thread()->impl) {
702 return;
703 }
704 if (!fromThread) {
705 mCoreThreadInterrupt(m_parent->thread());
706 } else {
707 mCoreThreadInterruptFromThread(m_parent->thread());
708 }
709}
710
711CoreController::Interrupter::Interrupter(const Interrupter& other)
712 : m_parent(other.m_parent)
713{
714 if (!m_parent->thread()->impl) {
715 return;
716 }
717 mCoreThreadInterrupt(m_parent->thread());
718}
719
720CoreController::Interrupter::~Interrupter() {
721 if (!m_parent->thread()->impl) {
722 return;
723 }
724 mCoreThreadContinue(m_parent->thread());
725}