mirror of
https://github.com/strukturag/nextcloud-spreed-signaling
synced 2024-06-17 05:06:14 +02:00
48 lines
1.2 KiB
Go
48 lines
1.2 KiB
Go
/**
|
|
* Standalone signaling server for the Nextcloud Spreed app.
|
|
* Copyright (C) 2023 struktur AG
|
|
*
|
|
* @author Joachim Bauch <bauch@struktur.de>
|
|
*
|
|
* @license GNU AGPL version 3 or any later version
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program 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 Affero General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
package signaling
|
|
|
|
import (
|
|
"sync/atomic"
|
|
)
|
|
|
|
type Closer struct {
|
|
closed uint32
|
|
C chan struct{}
|
|
}
|
|
|
|
func NewCloser() *Closer {
|
|
return &Closer{
|
|
C: make(chan struct{}),
|
|
}
|
|
}
|
|
|
|
func (c *Closer) IsClosed() bool {
|
|
return atomic.LoadUint32(&c.closed) != 0
|
|
}
|
|
|
|
func (c *Closer) Close() {
|
|
if atomic.CompareAndSwapUint32(&c.closed, 0, 1) {
|
|
close(c.C)
|
|
}
|
|
}
|