Atmosphere/libraries/libstratosphere/source/os/os_sdk_mutex.cpp

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/*
* 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/>.
*/
#include <stratosphere.hpp>
namespace ams::os {
void InitializeSdkMutex(SdkMutexType *mutex) {
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/* Initialize the critical section. */
GetReference(mutex->_storage).Initialize();
}
bool IsSdkMutexLockedByCurrentThread(const SdkMutexType *mutex) {
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/* Check whether the critical section is held. */
return GetReference(mutex->_storage).IsLockedByCurrentThread();
}
void LockSdkMutex(SdkMutexType *mutex) {
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/* Check pre-conditions. */
AMS_ABORT_UNLESS(!IsSdkMutexLockedByCurrentThread(mutex));
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/* Enter the critical section. */
return GetReference(mutex->_storage).Enter();
}
bool TryLockSdkMutex(SdkMutexType *mutex) {
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/* Check pre-conditions. */
AMS_ABORT_UNLESS(!IsSdkMutexLockedByCurrentThread(mutex));
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/* Try to enter the critical section. */
return GetReference(mutex->_storage).TryEnter();
}
void UnlockSdkMutex(SdkMutexType *mutex) {
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/* Check pre-conditions. */
AMS_ABORT_UNLESS(IsSdkMutexLockedByCurrentThread(mutex));
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/* Leave the critical section. */
return GetReference(mutex->_storage).Leave();
}
}