kernel: simplify KAbstractSchedulerLock::Lock

This commit is contained in:
Liam 2023-02-22 21:30:47 -05:00
parent 0746a2084e
commit 62711fec02

View file

@ -31,22 +31,23 @@ public:
} }
if (IsLockedByCurrentThread()) { if (IsLockedByCurrentThread()) {
// If we already own the lock, we can just increment the count. // If we already own the lock, the lock count should be > 0.
// For debug, ensure this is true.
ASSERT(lock_count > 0); ASSERT(lock_count > 0);
lock_count++;
} else { } else {
// Otherwise, we want to disable scheduling and acquire the spinlock. // Otherwise, we want to disable scheduling and acquire the spinlock.
SchedulerType::DisableScheduling(kernel); SchedulerType::DisableScheduling(kernel);
spin_lock.Lock(); spin_lock.Lock();
// For debug, ensure that our state is valid.
ASSERT(lock_count == 0); ASSERT(lock_count == 0);
ASSERT(owner_thread == nullptr); ASSERT(owner_thread == nullptr);
// Increment count, take ownership. // Take ownership of the lock.
lock_count = 1;
owner_thread = GetCurrentThreadPointer(kernel); owner_thread = GetCurrentThreadPointer(kernel);
} }
// Increment the lock count.
lock_count++;
} }
void Unlock() { void Unlock() {