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os: implement SdkRecursiveMutex

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This commit is contained in:
Michael Scire 2021-09-29 14:56:53 -07:00
parent c949779b3d
commit b25218c918
7 changed files with 226 additions and 22 deletions
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11
libraries/libstratosphere/source/os/os_sdk_mutex.cpp
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@ -18,25 +18,36 @@
namespace ams::os {
void InitializeSdkMutex(SdkMutexType *mutex) {
/* Initialize the critical section. */
GetReference(mutex->_storage).Initialize();
}
bool IsSdkMutexLockedByCurrentThread(const SdkMutexType *mutex) {
/* Check whether the critical section is held. */
return GetReference(mutex->_storage).IsLockedByCurrentThread();
}
void LockSdkMutex(SdkMutexType *mutex) {
/* Check pre-conditions. */
AMS_ABORT_UNLESS(!IsSdkMutexLockedByCurrentThread(mutex));
/* Enter the critical section. */
return GetReference(mutex->_storage).Enter();
}
bool TryLockSdkMutex(SdkMutexType *mutex) {
/* Check pre-conditions. */
AMS_ABORT_UNLESS(!IsSdkMutexLockedByCurrentThread(mutex));
/* Try to enter the critical section. */
return GetReference(mutex->_storage).TryEnter();
}
void UnlockSdkMutex(SdkMutexType *mutex) {
/* Check pre-conditions. */
AMS_ABORT_UNLESS(IsSdkMutexLockedByCurrentThread(mutex));
/* Leave the critical section. */
return GetReference(mutex->_storage).Leave();
}