Atmosphere/stratosphere/libstratosphere/include/stratosphere/ievent.hpp

68 lines
2 KiB
C++

/*
* Copyright (c) 2018 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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 for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <switch.h>
#include <algorithm>
#include <vector>
#include "iwaitable.hpp"
typedef Result (*EventCallback)(void *arg, Handle *handles, size_t num_handles, u64 timeout);
class IEvent : public IWaitable {
protected:
std::vector<Handle> handles;
EventCallback callback;
void *arg;
public:
IEvent(Handle wait_h, void *a, EventCallback callback) {
if (wait_h) {
this->handles.push_back(wait_h);
}
this->arg = a;
this->callback = callback;
}
~IEvent() {
std::for_each(handles.begin(), handles.end(), svcCloseHandle);
}
virtual Result signal_event() = 0;
/* IWaitable */
virtual Handle get_handle() {
if (handles.size() > 0) {
return this->handles[0];
}
return 0;
}
virtual void handle_deferred() {
/* TODO: Panic, because we can never defer an event. */
}
virtual Result handle_signaled(u64 timeout) {
return this->callback(this->arg, this->handles.data(), this->handles.size(), timeout);
}
static Result PanicCallback(void *arg, Handle *handles, size_t num_handles, u64 timeout) {
/* TODO: Panic. */
return 0xCAFE;
}
};