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1da7dd3da9
* Remove superfluous defer calls * Improve status table implementation as well This would probably only help with large, high-traffic installs
48 lines
1.1 KiB
Go
48 lines
1.1 KiB
Go
// Copyright 2016 The Gogs Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package sync
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import (
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"sync"
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)
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// StatusTable is a table maintains true/false values.
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//
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// This table is particularly useful for un/marking and checking values
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// in different goroutines.
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type StatusTable struct {
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lock sync.RWMutex
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pool map[string]struct{}
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}
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// NewStatusTable initializes and returns a new StatusTable object.
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func NewStatusTable() *StatusTable {
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return &StatusTable{
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pool: make(map[string]struct{}),
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}
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}
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// Start sets value of given name to true in the pool.
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func (p *StatusTable) Start(name string) {
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p.lock.Lock()
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p.pool[name] = struct{}{}
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p.lock.Unlock()
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}
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// Stop sets value of given name to false in the pool.
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func (p *StatusTable) Stop(name string) {
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p.lock.Lock()
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delete(p.pool, name)
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p.lock.Unlock()
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}
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// IsRunning checks if value of given name is set to true in the pool.
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func (p *StatusTable) IsRunning(name string) bool {
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p.lock.RLock()
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_, ok := p.pool[name]
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p.lock.RUnlock()
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return ok
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}
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