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39 lines
998 B
Go
39 lines
998 B
Go
// Copyright 2020 The LevelDB-Go and Pebble Authors. All rights reserved. Use
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// of this source code is governed by a BSD-style license that can be found in
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// the LICENSE file.
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//
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//go:build (invariants && !race) || (tracing && !race)
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// +build invariants,!race tracing,!race
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package cache
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import (
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"fmt"
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"os"
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"github.com/cockroachdb/pebble/internal/invariants"
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)
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// When the "invariants" or "tracing" build tags are enabled, we need to
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// allocate entries using the Go allocator so entry.val properly maintains a
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// reference to the Value.
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const entriesGoAllocated = true
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func entryAllocNew() *entry {
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e := &entry{}
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// Note: this is a no-op if invariants and tracing are disabled or race is
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// enabled.
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invariants.SetFinalizer(e, func(obj interface{}) {
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e := obj.(*entry)
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if v := e.ref.refs(); v != 0 {
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fmt.Fprintf(os.Stderr, "%p: cache entry has non-zero reference count: %d\n%s",
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e, v, e.ref.traces())
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os.Exit(1)
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}
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})
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return e
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}
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func entryAllocFree(e *entry) {
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}
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