forked from Silverfish/proton-bridge
f3c69faf8b
* Renaming GUI, CLI, no-impact config. * License header and documentation rebranding. * Rename app title and vendor. Impact: manual install * Migrating mac keychain and launch on startup. * Fix linter and linter renaming
62 lines
1.3 KiB
Go
62 lines
1.3 KiB
Go
// Copyright (c) 2022 Proton AG
|
|
//
|
|
// This file is part of Proton Mail Bridge.
|
|
//
|
|
// Proton Mail Bridge is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// Proton Mail Bridge is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
package cache
|
|
|
|
import "sync"
|
|
|
|
type pending struct {
|
|
lock sync.Mutex
|
|
path map[string]chan struct{}
|
|
}
|
|
|
|
func newPending() *pending {
|
|
return &pending{path: make(map[string]chan struct{})}
|
|
}
|
|
|
|
func (p *pending) add(path string) bool {
|
|
p.lock.Lock()
|
|
defer p.lock.Unlock()
|
|
|
|
if _, ok := p.path[path]; ok {
|
|
return false
|
|
}
|
|
|
|
p.path[path] = make(chan struct{})
|
|
|
|
return true
|
|
}
|
|
|
|
func (p *pending) wait(path string) {
|
|
p.lock.Lock()
|
|
ch, ok := p.path[path]
|
|
p.lock.Unlock()
|
|
|
|
if ok {
|
|
<-ch
|
|
}
|
|
}
|
|
|
|
func (p *pending) done(path string) {
|
|
p.lock.Lock()
|
|
defer p.lock.Unlock()
|
|
|
|
defer close(p.path[path])
|
|
|
|
delete(p.path, path)
|
|
}
|