Atmosphere/libraries/libstratosphere/include/stratosphere/os/os_rw_lock.hpp
Michael Scire 0105455086 git subrepo clone https://github.com/Atmosphere-NX/Atmosphere-libs libraries
subrepo:
  subdir:   "libraries"
  merged:   "07af583b"
upstream:
  origin:   "https://github.com/Atmosphere-NX/Atmosphere-libs"
  branch:   "master"
  commit:   "07af583b"
git-subrepo:
  version:  "0.4.0"
  origin:   "https://github.com/ingydotnet/git-subrepo"
  commit:   "5d6aba9"
2019-12-09 18:54:29 -08:00

89 lines
2.4 KiB
C++

/*
* Copyright (c) 2018-2019 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 "os_common_types.hpp"
namespace ams::os {
class ReadWriteLock {
NON_COPYABLE(ReadWriteLock);
NON_MOVEABLE(ReadWriteLock);
private:
::RwLock r;
public:
ReadWriteLock() {
rwlockInit(&this->r);
}
bool IsWriteLockHeldByCurrentThread() const {
return rwlockIsWriteLockHeldByCurrentThread(const_cast<::RwLock *>(&this->r));
}
bool IsLockOwner() const {
return rwlockIsOwnedByCurrentThread(const_cast<::RwLock *>(&this->r));
}
void AcquireReadLock() {
rwlockReadLock(&this->r);
}
void ReleaseReadLock() {
rwlockReadUnlock(&this->r);
}
bool TryAcquireReadLock() {
return rwlockTryReadLock(&this->r);
}
void AcquireWriteLock() {
rwlockWriteLock(&this->r);
}
void ReleaseWriteLock() {
rwlockWriteUnlock(&this->r);
}
bool TryAcquireWriteLock() {
return rwlockTryWriteLock(&this->r);
}
void lock_shared() {
this->AcquireReadLock();
}
void unlock_shared() {
this->ReleaseReadLock();
}
bool try_lock_shared() {
return this->TryAcquireReadLock();
}
void lock() {
this->AcquireWriteLock();
}
void unlock() {
this->ReleaseWriteLock();
}
bool try_lock() {
return this->TryAcquireWriteLock();
}
};
}