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, Matt Emmerton
35 */
36
37#include "utilities/locking.h"
38
39#include <cstring>
40
41#ifndef WIN32
42#include <iostream>
43#include <sstream>
44#include <stdexcept>
45#include <cerrno>
46#include <cstdlib>
47#include <sys/time.h>
48
49using std::exit;
50using std::strerror;
51#endif
52
53#include "utilities/error.h"
54
55namespace TPCE {
56
57#ifdef WIN32
58
59//////////////////////////////////////////////////////////
60// Windows Implementation
61//////////////////////////////////////////////////////////
62
63CMutex::CMutex() : mutex_() {
64 InitializeCriticalSection(&mutex_);
65}
66
67CMutex::~CMutex() {
68 DeleteCriticalSection(&mutex_);
69}
70
71LPCRITICAL_SECTION CMutex::mutex() {
72 return &mutex_;
73}
74
75void CMutex::lock() {
76 EnterCriticalSection(&mutex_);
77}
78
79void CMutex::unlock() {
80 LeaveCriticalSection(&mutex_);
81}
82
83#else
84
85//////////////////////////////////////////////////////////
86// Non-Windows Implementation (pthreads)
87//////////////////////////////////////////////////////////
88
89CMutex::CMutex() : mutex_() {
90 int rc = pthread_mutex_init(&mutex_, NULL);
91 if (rc != 0) {
92 std::ostringstream strm;
93 strm << "pthread_mutex_init error: " << strerror(rc) << "(" << rc << ")";
94 throw std::runtime_error(strm.str());
95 }
96}
97
98CMutex::~CMutex() {
99 int rc = pthread_mutex_destroy(&mutex_);
100 if (rc != 0) {
101 std::ostringstream strm;
102 strm << "pthread_mutex_destroy error: " << strerror(rc) << "(" << rc << ")";
103 }
104}
105
106pthread_mutex_t *CMutex::mutex() {
107 return &mutex_;
108}
109
110void CMutex::lock() {
111 int rc = pthread_mutex_lock(&mutex_);
112 if (rc != 0) {
113 std::ostringstream strm;
114 strm << "pthread_cond_wait error: " << strerror(rc) << "(" << rc << ")";
115 throw std::runtime_error(strm.str());
116 }
117}
118
119void CMutex::unlock() {
120 int rc = pthread_mutex_unlock(&mutex_);
121 if (rc != 0) {
122 std::ostringstream strm;
123 strm << "pthread_cond_wait error: " << strerror(rc) << "(" << rc << ")";
124 throw std::runtime_error(strm.str());
125 }
126}
127
128#endif
129
130} // namespace TPCE
131