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core/state/snapshot: acquire the lock on Release (#30011)

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* core/state/snapshot: acquire the lock on release

* core/state/snapshot: only acquire read-lock when iterating
This commit is contained in:
Marius van der Wijden 2024-06-18 04:52:49 +02:00 committed by GitHub
parent d8664490da
commit 7cf6a63687
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GPG key ID: B5690EEEBB952194
1 changed files with 7 additions and 4 deletions
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11
core/state/snapshot/snapshot.go
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@ -666,6 +666,9 @@ func diffToDisk(bottom *diffLayer) *diskLayer {
// Release releases resources
func (t *Tree) Release() {
t.lock.RLock()
defer t.lock.RUnlock()
if dl := t.disklayer(); dl != nil {
dl.Release()
}
@ -850,8 +853,8 @@ func (t *Tree) diskRoot() common.Hash {
// generating is an internal helper function which reports whether the snapshot
// is still under the construction.
func (t *Tree) generating() (bool, error) {
t.lock.Lock()
defer t.lock.Unlock()
t.lock.RLock()
defer t.lock.RUnlock()
layer := t.disklayer()
if layer == nil {
@ -864,8 +867,8 @@ func (t *Tree) generating() (bool, error) {
// DiskRoot is an external helper function to return the disk layer root.
func (t *Tree) DiskRoot() common.Hash {
t.lock.Lock()
defer t.lock.Unlock()
t.lock.RLock()
defer t.lock.RUnlock()
return t.diskRoot()
}