1/*
2 * Legal Notice
3 *
4 * This document and associated source code (the "Work") is a part of a
5 * benchmark specification maintained by the TPC.
6 *
7 * The TPC reserves all right, title, and interest to the Work as provided
8 * under U.S. and international laws, including without limitation all patent
9 * and trademark rights therein.
10 *
11 * No Warranty
12 *
13 * 1.1 TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THE INFORMATION
14 * CONTAINED HEREIN IS PROVIDED "AS IS" AND WITH ALL FAULTS, AND THE
15 * AUTHORS AND DEVELOPERS OF THE WORK HEREBY DISCLAIM ALL OTHER
16 * WARRANTIES AND CONDITIONS, EITHER EXPRESS, IMPLIED OR STATUTORY,
17 * INCLUDING, BUT NOT LIMITED TO, ANY (IF ANY) IMPLIED WARRANTIES,
18 * DUTIES OR CONDITIONS OF MERCHANTABILITY, OF FITNESS FOR A PARTICULAR
19 * PURPOSE, OF ACCURACY OR COMPLETENESS OF RESPONSES, OF RESULTS, OF
20 * WORKMANLIKE EFFORT, OF LACK OF VIRUSES, AND OF LACK OF NEGLIGENCE.
21 * ALSO, THERE IS NO WARRANTY OR CONDITION OF TITLE, QUIET ENJOYMENT,
22 * QUIET POSSESSION, CORRESPONDENCE TO DESCRIPTION OR NON-INFRINGEMENT
23 * WITH REGARD TO THE WORK.
24 * 1.2 IN NO EVENT WILL ANY AUTHOR OR DEVELOPER OF THE WORK BE LIABLE TO
25 * ANY OTHER PARTY FOR ANY DAMAGES, INCLUDING BUT NOT LIMITED TO THE
26 * COST OF PROCURING SUBSTITUTE GOODS OR SERVICES, LOST PROFITS, LOSS
27 * OF USE, LOSS OF DATA, OR ANY INCIDENTAL, CONSEQUENTIAL, DIRECT,
28 * INDIRECT, OR SPECIAL DAMAGES WHETHER UNDER CONTRACT, TORT, WARRANTY,
29 * OR OTHERWISE, ARISING IN ANY WAY OUT OF THIS OR ANY OTHER AGREEMENT
30 * RELATING TO THE WORK, WHETHER OR NOT SUCH AUTHOR OR DEVELOPER HAD
31 * ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.
32 *
33 * Contributors
34 * - Christopher Chan-Nui
35 */
36
37#ifndef CONDITION_H_INCLUDED
38#define CONDITION_H_INCLUDED
39
40#include <memory>
41#include <sstream>
42#include <stdexcept>
43
44#include "locking.h"
45
46namespace TPCE {
47
48// Condition class, requires a separate mutex to pair with.
49class CCondition {
50private:
51 CMutex &mutex_;
52#ifdef WIN32
53 mutable CONDITION_VARIABLE cond_;
54#else
55 mutable pthread_cond_t cond_;
56 bool timedwait(const struct timespec &timeout) const;
57#endif
58protected:
59 CMutex &mutex();
60
61public:
62 CCondition(CMutex &mutex);
63 void wait() const;
64 bool timedwait(long timeout = -1 /*us*/) const;
65 void lock();
66 void unlock();
67 void signal();
68 void broadcast();
69};
70
71} // namespace TPCE
72
73#endif // CONDITION_H_INCLUDED
74