mirror of
https://github.com/go-gitea/gitea.git
synced 2024-11-04 08:17:24 -05:00
fdf750e4d4
* Update blevesearch v0.8.1 -> v1.0.7 * make vendor Co-authored-by: zeripath <art27@cantab.net>
61 lines
1.3 KiB
Go
Vendored
61 lines
1.3 KiB
Go
Vendored
// Copyright (c) 2017 Couchbase, Inc.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
// +build !nommap
|
|
|
|
package vellum
|
|
|
|
import (
|
|
"os"
|
|
|
|
mmap "github.com/blevesearch/mmap-go"
|
|
)
|
|
|
|
type mmapWrapper struct {
|
|
f *os.File
|
|
mm mmap.MMap
|
|
}
|
|
|
|
func (m *mmapWrapper) Close() (err error) {
|
|
if m.mm != nil {
|
|
err = m.mm.Unmap()
|
|
}
|
|
// try to close file even if unmap failed
|
|
if m.f != nil {
|
|
err2 := m.f.Close()
|
|
if err == nil {
|
|
// try to return first error
|
|
err = err2
|
|
}
|
|
}
|
|
return
|
|
}
|
|
|
|
func open(path string) (*FST, error) {
|
|
f, err := os.Open(path)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
mm, err := mmap.Map(f, mmap.RDONLY, 0)
|
|
if err != nil {
|
|
// mmap failed, try to close the file
|
|
_ = f.Close()
|
|
return nil, err
|
|
}
|
|
return new(mm, &mmapWrapper{
|
|
f: f,
|
|
mm: mm,
|
|
})
|
|
}
|