mirror of
https://github.com/libretro/ppsspp.git
synced 2024-11-26 01:40:24 +00:00
77 lines
2.1 KiB
C++
77 lines
2.1 KiB
C++
// Copyright (c) 2012- PPSSPP Project.
|
|
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, version 2.0 or later versions.
|
|
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License 2.0 for more details.
|
|
|
|
// A copy of the GPL 2.0 should have been included with the program.
|
|
// If not, see http://www.gnu.org/licenses/
|
|
|
|
// Official git repository and contact information can be found at
|
|
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
|
|
|
|
#include <map>
|
|
#include <set>
|
|
#include "native/base/mutex.h"
|
|
#include "Core/ThreadEventQueue.h"
|
|
|
|
class NoBase {
|
|
};
|
|
|
|
enum AsyncIOEventType {
|
|
IO_EVENT_INVALID,
|
|
IO_EVENT_SYNC,
|
|
IO_EVENT_FINISH,
|
|
IO_EVENT_READ,
|
|
IO_EVENT_WRITE,
|
|
};
|
|
|
|
struct AsyncIOEvent {
|
|
AsyncIOEvent(AsyncIOEventType t) : type(t) {}
|
|
AsyncIOEventType type;
|
|
u32 handle;
|
|
u8 *buf;
|
|
size_t bytes;
|
|
|
|
operator AsyncIOEventType() const {
|
|
return type;
|
|
}
|
|
};
|
|
|
|
// TODO: Something better.
|
|
typedef size_t AsyncIOResult;
|
|
|
|
typedef ThreadEventQueue<NoBase, AsyncIOEvent, AsyncIOEventType, IO_EVENT_INVALID, IO_EVENT_SYNC, IO_EVENT_FINISH> IOThreadEventQueue;
|
|
class AsyncIOManager : public IOThreadEventQueue {
|
|
public:
|
|
void DoState(PointerWrap &p);
|
|
|
|
bool HasOperation(u32 handle);
|
|
void ScheduleOperation(AsyncIOEvent ev);
|
|
void Shutdown();
|
|
|
|
bool PopResult(u32 handle, AsyncIOResult &result);
|
|
bool WaitResult(u32 handle, AsyncIOResult &result);
|
|
|
|
protected:
|
|
virtual void ProcessEvent(AsyncIOEvent ref);
|
|
virtual bool ShouldExitEventLoop() {
|
|
return coreState == CORE_ERROR || coreState == CORE_POWERDOWN;
|
|
}
|
|
|
|
private:
|
|
void Read(u32 handle, u8 *buf, size_t bytes);
|
|
void Write(u32 handle, u8 *buf, size_t bytes);
|
|
|
|
void EventResult(u32 handle, AsyncIOResult result);
|
|
|
|
recursive_mutex resultsLock_;
|
|
condition_variable resultsWait_;
|
|
std::set<u32> resultsPending_;
|
|
std::map<u32, AsyncIOResult> results_;
|
|
}; |