Rebekah Rowe
6c4b2e9186
Commit is being made to allow additions of GPL3+ code previously un-addable. With these changes, contributions back to cuberite are possible with the backporting exemtion, as well as adding stuff in minetest with minetest code properly being read through and implimented to upgrade it to GPL3 from GPL2. project still has Apache2.0 license and credits to all its contributers, but now has the freedom of GPL3+ and all the code that can be implimented and shared with it.
77 lines
1.8 KiB
C++
77 lines
1.8 KiB
C++
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/*
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* Copyright 2011-2022 Cuberite Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// StressEvent.cpp
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// Stress-tests the cEvent implementation
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#include "Globals.h"
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#include <thread>
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/** Number of repetitions of the thread loops. */
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const int NUM_REPETITIONS = 5000;
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// Forward declarations are needed for clang
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void runThread(cEvent * a_Event1, cEvent * a_Event2, const char * a_ThreadName);
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/** Function that runs in a separate thread, notifies event1 and waits for event2, in a loop, NUM_REPETITIONS times.
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This basically simulates a producer / consumer pattern with 2 events, one for "queue empty", the other for "queue full". */
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void runThread(cEvent * a_Event1, cEvent * a_Event2, const char * a_ThreadName)
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{
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LOG("Thread %s started", a_ThreadName);
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for (int i = 0; i < NUM_REPETITIONS; ++i)
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{
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// LOGD("%s: Waiting for event %p (%d)", a_ThreadName, a_Event2, i);
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a_Event2->Wait();
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// LOGD("%s: Setting event %p (%d)", a_ThreadName, a_Event1, i);
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a_Event1->SetAll();
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}
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LOG("Thread %s finished", a_ThreadName);
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}
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int main()
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{
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LOG("Test started");
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cEvent event1, event2;
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event1.Set();
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std::thread thread1(&runThread, &event1, &event2, "A");
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std::thread thread2(&runThread, &event2, &event1, "B");
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thread1.join();
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thread2.join();
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LOG("Test finished");
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return 0;
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}
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