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Add conditional acquisition parameter to RAII guard classes
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This commit is contained in:
Aiken Harris
2026-06-06 17:26:39 +02:00
parent f680830b53
commit cf25af23d1
2 changed files with 48 additions and 12 deletions
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30
xtoskrnl/includes/ke/guard.hh
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@@ -19,17 +19,26 @@ namespace KE
{
private:
KSPIN_LOCK_QUEUE_LEVEL QueuedLockLevel;
BOOLEAN Owned;
public:
QueuedSpinLockGuard(IN OUT KSPIN_LOCK_QUEUE_LEVEL LockLevel)
QueuedSpinLockGuard(IN OUT KSPIN_LOCK_QUEUE_LEVEL LockLevel,
IN BOOLEAN Acquire = TRUE)
{
QueuedLockLevel = LockLevel;
KE::SpinLock::AcquireQueuedSpinLock(QueuedLockLevel);
Owned = Acquire;
if(Owned)
{
KE::SpinLock::AcquireQueuedSpinLock(QueuedLockLevel);
}
}
~QueuedSpinLockGuard()
{
KE::SpinLock::ReleaseQueuedSpinLock(QueuedLockLevel);
if(Owned)
{
KE::SpinLock::ReleaseQueuedSpinLock(QueuedLockLevel);
}
}
QueuedSpinLockGuard(const QueuedSpinLockGuard&) = delete;
@@ -40,17 +49,26 @@ namespace KE
{
private:
PKSPIN_LOCK Lock;
BOOLEAN Owned;
public:
SpinLockGuard(IN OUT PKSPIN_LOCK SpinLock)
SpinLockGuard(IN OUT PKSPIN_LOCK SpinLock,
IN BOOLEAN Acquire = TRUE)
{
Lock = SpinLock;
KE::SpinLock::AcquireSpinLock(Lock);
Owned = Acquire;
if(Owned)
{
KE::SpinLock::AcquireSpinLock(Lock);
}
}
~SpinLockGuard()
{
KE::SpinLock::ReleaseSpinLock(Lock);
if(Owned)
{
KE::SpinLock::ReleaseSpinLock(Lock);
}
}
SpinLockGuard(const SpinLockGuard&) = delete;