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core/rawdb: use tryRLock if readonly

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Signed-off-by: jsvisa <delweng@gmail.com>
This commit is contained in:
jsvisa 2023-09-22 16:18:37 +08:00
parent 83f3fc2e80
commit 637347f2ac
1 changed files with 7 additions and 1 deletions
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8
core/rawdb/freezer.go
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@ -108,7 +108,13 @@ func NewFreezer(datadir string, namespace string, readonly bool, maxTableSize ui
// Leveldb uses LOCK as the filelock filename. To prevent the
// name collision, we use FLOCK as the lock name.
lock := flock.New(flockFile)
if locked, err := lock.TryLock(); err != nil {
tryLock := func() (bool, error) {
if readonly {
return lock.TryRLock()
}
return lock.TryLock()
}
if locked, err := tryLock(); err != nil {
return nil, err
} else if !locked {
return nil, errors.New("locking failed")