-
Notifications
You must be signed in to change notification settings - Fork 216
Expand file tree
/
Copy pathSwitchLock.java
More file actions
38 lines (30 loc) · 1.22 KB
/
SwitchLock.java
File metadata and controls
38 lines (30 loc) · 1.22 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
// This file is part of the "IBController".
// Copyright (C) 2004 Steven M. Kearns (skearns23@yahoo.com )
// Copyright (C) 2004 - 2011 Richard L King (rlking@aultan.com)
// For conditions of distribution and use, see copyright notice in COPYING.txt
// IBController 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.
// IBController 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 IBController. If not, see <http://www.gnu.org/licenses/>.
package ibcontroller;
class SwitchLock {
private boolean mIsSet;
synchronized void clear() {mIsSet = false;}
synchronized boolean set() {
if (mIsSet) {
return false;
} else {
mIsSet = true;
return true;
}
}
synchronized boolean query() {
return mIsSet;
}
}