ceph/src/arrow/go/arrow/memory/allocator.go

   1 // Licensed to the Apache Software Foundation (ASF) under one
   2 // or more contributor license agreements.  See the NOTICE file
   3 // distributed with this work for additional information
   4 // regarding copyright ownership.  The ASF licenses this file
   5 // to you under the Apache License, Version 2.0 (the
   6 // "License"); you may not use this file except in compliance
   7 // with the License.  You may obtain a copy of the License at
   8 //
   9 // http://www.apache.org/licenses/LICENSE-2.0
  10 //
  11 // Unless required by applicable law or agreed to in writing, software
  12 // distributed under the License is distributed on an "AS IS" BASIS,
  13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 // See the License for the specific language governing permissions and
  15 // limitations under the License.
  16
  17 package memory
  18
  19 const (
  20         alignment = 64
  21 )
  22
  23 type Allocator interface {
  24         Allocate(size int) []byte
  25         Reallocate(size int, b []byte) []byte
  26         Free(b []byte)
  27 }
  28
  29 // DefaultAllocator is a default implementation of Allocator and can be used anywhere
  30 // an Allocator is required.
  31 //
  32 // DefaultAllocator is safe to use from multiple goroutines.
  33 var DefaultAllocator Allocator = NewGoAllocator()