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mdbx: fix possible semaphore exhaustion on cancelled context (#567)

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Ryan Schneider 2022-08-03 21:43:56 -07:00 committed by GitHub
parent 1d6c297797
commit 8fbf01ca91
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1 changed files with 0 additions and 6 deletions
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6
kv/mdbx/kv_mdbx.go
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@ -419,12 +419,6 @@ func (db *MdbxKV) BeginRo(ctx context.Context) (txn kv.Tx, err error) {
return nil, semErr return nil, semErr
} }
// if context cancelled as we acquire the sempahore, it may succeed without blocking
// in this case we should return
if ctx.Err() != nil {
return nil, ctx.Err()
}
defer func() { defer func() {
if err == nil { if err == nil {
db.wg.Add(1) db.wg.Add(1)