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This commit is contained in:
chrislu
2023-09-21 23:51:32 -07:00
parent 3e23421608
commit 2df70ce95f
2 changed files with 24 additions and 17 deletions
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36
weed/util/lock_table.go
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@@ -64,12 +64,14 @@ func (lt *LockTable[T]) AcquireLock(intention string, key T, lockType LockType)
// If the lock is held exclusively, wait
entry.mu.Lock()
if len(entry.waiters) > 0 || lockType == ExclusiveLock {
glog.V(4).Infof("ActiveLock %d %s wait for %+v type=%v with waiters %d active %d.\n", lock.ID, lock.intention, key, lockType, len(entry.waiters), entry.activeLockOwnerCount)
if glog.V(4) && len(entry.waiters) > 0 {
for _, waiter := range entry.waiters {
fmt.Printf(" %d", waiter.ID)
if glog.V(4) {
fmt.Printf("ActiveLock %d %s wait for %+v type=%v with waiters %d active %d.\n", lock.ID, lock.intention, key, lockType, len(entry.waiters), entry.activeLockOwnerCount)
if len(entry.waiters) > 0 {
for _, waiter := range entry.waiters {
fmt.Printf(" %d", waiter.ID)
}
fmt.Printf("\n")
}
fmt.Printf("\n")
}
entry.waiters = append(entry.waiters, lock)
if lockType == ExclusiveLock {
@@ -91,12 +93,14 @@ func (lt *LockTable[T]) AcquireLock(intention string, key T, lockType LockType)
// Otherwise, grant the lock
entry.lockType = lockType
glog.V(4).Infof("ActiveLock %d %s locked %+v type=%v with waiters %d active %d.\n", lock.ID, lock.intention, key, lockType, len(entry.waiters), entry.activeLockOwnerCount)
if glog.V(4) && len(entry.waiters) > 0 {
for _, waiter := range entry.waiters {
fmt.Printf(" %d", waiter.ID)
if glog.V(4) {
fmt.Printf("ActiveLock %d %s locked %+v type=%v with waiters %d active %d.\n", lock.ID, lock.intention, key, lockType, len(entry.waiters), entry.activeLockOwnerCount)
if len(entry.waiters) > 0 {
for _, waiter := range entry.waiters {
fmt.Printf(" %d", waiter.ID)
}
fmt.Printf("\n")
}
fmt.Printf("\n")
}
entry.mu.Unlock()
@@ -129,12 +133,14 @@ func (lt *LockTable[T]) ReleaseLock(key T, lock *ActiveLock) {
delete(lt.locks, key)
}
glog.V(4).Infof("ActiveLock %d %s unlocked %+v type=%v with waiters %d active %d.\n", lock.ID, lock.intention, key, entry.lockType, len(entry.waiters), entry.activeLockOwnerCount)
if len(entry.waiters) > 0 {
for _, waiter := range entry.waiters {
fmt.Printf(" %d", waiter.ID)
if glog.V(4) {
fmt.Printf("ActiveLock %d %s unlocked %+v type=%v with waiters %d active %d.\n", lock.ID, lock.intention, key, entry.lockType, len(entry.waiters), entry.activeLockOwnerCount)
if len(entry.waiters) > 0 {
for _, waiter := range entry.waiters {
fmt.Printf(" %d", waiter.ID)
}
fmt.Printf("\n")
}
fmt.Printf("\n")
}
entry.activeLockOwnerCount--