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Avoid selecting an outdated merger from cache

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We cache a merger for partial input as well, because it is automatically
invalidated as soon as the new data comes in.

However, there was a race condition where a cached merger for a partial
input is used even after the input stream was complete. This commit
fixes the problem.

Fix #4034
This commit is contained in:
Junegunn Choi 2024-10-16 00:27:56 +09:00
parent 97f1dae2d1
commit 90a8800bb5
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1 changed files with 1 additions and 1 deletions
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2
src/matcher.go
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@ -102,7 +102,7 @@ func (m *Matcher) Loop() {
if !cacheCleared { if !cacheCleared {
if count == prevCount { if count == prevCount {
// Look up mergerCache // Look up mergerCache
if cached, found := m.mergerCache[patternString]; found { if cached, found := m.mergerCache[patternString]; found && cached.final == request.final {
merger = cached merger = cached
} }
} else { } else {