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Copy pathgfpool.go
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40 lines (35 loc) · 1.37 KB
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// Copyright 2017-2020 gf Author(https://github.com/gogf/gf). All Rights Reserved.
//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://github.com/gogf/gf.
// Package gfpool provides io-reusable pool for file pointer.
package gfpool
import (
"github.com/gogf/gf/container/gmap"
"github.com/gogf/gf/container/gpool"
"github.com/gogf/gf/container/gtype"
"os"
"time"
)
// File pointer pool.
type Pool struct {
id *gtype.Int // Pool id, which is used to mark this pool whether recreated.
pool *gpool.Pool // Underlying pool.
init *gtype.Bool // Whether initialized, used for marking this file added to fsnotify, and it can only be added just once.
ttl time.Duration // Time to live for file pointer items.
}
// File is an item in the pool.
type File struct {
*os.File // Underlying file pointer.
stat os.FileInfo // State of current file pointer.
pid int // Belonging pool id, which is set when file pointer created. It's used to check whether the pool is recreated.
pool *Pool // Belonging ool.
flag int // Flash for opening file.
perm os.FileMode // Permission for opening file.
path string // Absolute path of the file.
}
var (
// Global file pointer pool.
pools = gmap.NewStrAnyMap(true)
)