github.com/zuoyebang/bitalosdb@v1.1.1-0.20240516111551-79a8c4d8ce20/internal/cache/lrucache/entry_invariants.go (about)

     1  // Copyright 2021 The Bitalosdb author(hustxrb@163.com) and other contributors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  //go:build (invariants && !race) || (tracing && !race)
    16  // +build invariants,!race tracing,!race
    17  
    18  package lrucache
    19  
    20  import (
    21  	"fmt"
    22  	"os"
    23  
    24  	"github.com/zuoyebang/bitalosdb/internal/invariants"
    25  )
    26  
    27  const entriesGoAllocated = true
    28  
    29  func entryAllocNew() *entry {
    30  	e := &entry{}
    31  	invariants.SetFinalizer(e, func(obj interface{}) {
    32  		e := obj.(*entry)
    33  		if v := e.ref.refs(); v != 0 {
    34  			fmt.Fprintf(os.Stderr, "%p: cache entry has non-zero reference count: %d\n%s",
    35  				e, v, e.ref.traces())
    36  			os.Exit(1)
    37  		}
    38  	})
    39  	return e
    40  }
    41  
    42  func entryAllocFree(e *entry) {
    43  }