Lunchbox  1.16.0
Multi-threaded C++ toolbox library for all application developers creating high-performance multi-threaded programs.
readyFuture.h
1 
2 /* Copyright (c) 2013-2014, Stefan.Eilemann@epfl.ch
3  *
4  * This library is free software; you can redistribute it and/or modify it under
5  * the terms of the GNU Lesser General Public License version 2.1 as published
6  * by the Free Software Foundation.
7  *
8  * This library is distributed in the hope that it will be useful, but WITHOUT
9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
10  * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
11  * details.
12  *
13  * You should have received a copy of the GNU Lesser General Public License
14  * along with this library; if not, write to the Free Software Foundation, Inc.,
15  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
16  */
17 
18 #ifndef LUNCHBOX_READYFUTURE_H
19 #define LUNCHBOX_READYFUTURE_H
20 
21 #include <lunchbox/future.h> // base class
22 
23 namespace lunchbox
24 {
26 template <bool value>
27 class FutureBool : public FutureImpl<bool>
28 {
29 protected:
30  bool wait(const uint32_t) final { return value; }
31  bool isReady() const final { return true; }
32 };
33 
36 {
37  return Future<bool>(new FutureBool<true>);
38 }
39 
42 {
43  return Future<bool>(new FutureBool<false>);
44 }
45 }
46 #endif // LUNCHBOX_READYFUTURE_H
Future< bool > makeTrueFuture()
Definition: readyFuture.h:35
bool isReady() const final
Definition: readyFuture.h:31
Future< bool > makeFalseFuture()
Definition: readyFuture.h:41
Base class to implement the wait method fulfilling the future.
Definition: future.h:39
A future represents a asynchronous operation.
Definition: future.h:62
A boolean future with a known value.
Definition: readyFuture.h:27
Abstraction layer and common utilities for multi-threaded programming.
Definition: algorithm.h:29
bool wait(const uint32_t) final
Wait for the promise to be fullfilled.
Definition: readyFuture.h:30