Atmosphere/libraries/libvapours/include/vapours/prfile2/prfile2_critical_section.hpp
2021-02-03 12:45:25 -08:00

51 lines
1.6 KiB
C++

/*
* Copyright (c) 2018-2020 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 <vapours/prfile2/pf/prfile2_pf_config.hpp>
namespace ams::prfile2 {
struct CriticalSection {
enum State {
State_NotInitialized = 0,
State_Initialized = 1,
};
struct Resource;
u8 state;
int lock_count;
Resource *resource;
u64 owner;
};
void InitializeCriticalSection(CriticalSection *cs);
void FinalizeCriticalSection(CriticalSection *cs);
void EnterCriticalSection(CriticalSection *cs);
void ExitCriticalSection(CriticalSection *cs);
class ScopedCriticalSection {
private:
CriticalSection *cs;
public:
ALWAYS_INLINE ScopedCriticalSection(CriticalSection *c) : cs(c) { EnterCriticalSection(this->cs); }
ALWAYS_INLINE ScopedCriticalSection(CriticalSection &c) : ScopedCriticalSection(std::addressof(c)) { /* ... */ }
ALWAYS_INLINE ~ScopedCriticalSection() { ExitCriticalSection(this->cs); }
};
}