2 This file is a part of libcds - Concurrent Data Structures library
4 (C) Copyright Maxim Khizhinsky (libcds.dev@gmail.com) 2006-2016
6 Source code repo: http://github.com/khizmax/libcds/
7 Download: http://sourceforge.net/projects/libcds/files/
9 Redistribution and use in source and binary forms, with or without
10 modification, are permitted provided that the following conditions are met:
12 * Redistributions of source code must retain the above copyright notice, this
13 list of conditions and the following disclaimer.
15 * Redistributions in binary form must reproduce the above copyright notice,
16 this list of conditions and the following disclaimer in the documentation
17 and/or other materials provided with the distribution.
19 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
23 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
25 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
26 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
27 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 #ifndef CDSTEST_THREAD_H
32 #define CDSTEST_THREAD_H
34 #include <gtest/gtest.h>
37 #include <condition_variable>
40 #include <cds/threading/model.h>
53 protected: // thread_pool interface
54 thread( thread const& sample );
65 virtual thread * clone() = 0;
66 virtual void test() = 0;
70 cds::threading::Manager::attachThread();
73 virtual void TearDown()
75 cds::threading::Manager::detachThread();
79 explicit thread( thread_pool& master, int type = 0 );
81 thread_pool& pool() { return m_pool; }
82 int type() const { return m_type; }
83 size_t id() const { return m_id; }
86 friend class thread_pool;
94 // Pool of test threads
98 explicit thread_pool( ::testing::Test& fixture )
99 : m_fixture( fixture )
100 , m_bRunning( false )
101 , m_bStopped( false )
110 void add( thread * what )
112 m_threads.push_back( what );
115 void add( thread * what, size_t count )
118 for ( size_t i = 1; i < count; ++i ) {
119 thread * p = what->clone();
124 std::chrono::milliseconds run()
129 auto time_start = std::chrono::steady_clock::now();
132 m_cvStart.notify_all();
135 scoped_lock l( m_cvMutex );
136 while ( m_doneCount != m_threads.size() )
140 auto time_end = std::chrono::steady_clock::now();
142 m_cvStop.notify_all();
144 for ( auto t : m_threads )
147 return m_testDuration = std::chrono::duration_cast<std::chrono::milliseconds>( time_end - time_start );
150 size_t size() const { return m_threads.size(); }
151 thread& get( size_t idx ) const { return *m_threads.at( idx ); }
153 template <typename Fixture>
156 return static_cast<Fixture&>(m_fixture);
159 std::chrono::milliseconds duration() const { return m_testDuration; }
163 for ( auto t : m_threads )
171 protected: // thread interface
174 return m_threads.size();
177 void ready_to_start( thread& /*who*/ )
179 // Called from test thread
181 // Wait for all thread created
182 scoped_lock l( m_cvMutex );
183 while ( !m_bRunning )
187 void thread_done( thread& /*who*/ )
189 // Called from test thread
192 scoped_lock l( m_cvMutex );
196 // Tell pool that the thread is done
197 m_cvDone.notify_all();
199 // Wait for all thread done
201 scoped_lock l( m_cvMutex );
202 while ( !m_bStopped )
210 ::testing::Test& m_fixture;
211 std::vector<thread *> m_threads;
213 typedef std::unique_lock<std::mutex> scoped_lock;
214 std::mutex m_cvMutex;
215 std::condition_variable m_cvStart;
216 std::condition_variable m_cvStop;
217 std::condition_variable m_cvDone;
219 volatile bool m_bRunning;
220 volatile bool m_bStopped;
221 volatile size_t m_doneCount;
223 std::chrono::milliseconds m_testDuration;
226 inline thread::thread( thread_pool& master, int type /*= 0*/ )
229 , m_id( master.get_next_id())
230 , m_impl( &thread::run, this )
233 inline thread::thread( thread const& sample )
234 : m_pool( sample.m_pool )
235 , m_type( sample.m_type )
236 , m_id( m_pool.get_next_id() )
237 , m_impl( &thread::run, this )
240 inline void thread::run()
243 m_pool.ready_to_start( *this );
245 m_pool.thread_done( *this );
249 } // namespace cds_test
251 #endif // CDSTEST_THREAD_H