| // -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- |
| // Copyright (c) 2007, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| // --- |
| // Author: Craig Silverstein |
| // |
| // A few routines that are useful for multiple tests in this directory. |
| |
| #include "config_for_unittests.h" |
| |
| #include "tests/testutil.h" |
| |
| #include <stdlib.h> |
| |
| #include <functional> |
| #include <thread> |
| #include <vector> |
| |
| struct FunctionAndId { |
| void (*ptr_to_function)(int); |
| int id; |
| }; |
| |
| #if defined(NO_THREADS) |
| |
| extern "C" void RunThread(void (*fn)()) { |
| (*fn)(); |
| } |
| |
| extern "C" void RunManyThreads(void (*fn)(), int count) { |
| // I guess the best we can do is run fn sequentially, 'count' times |
| for (int i = 0; i < count; i++) |
| (*fn)(); |
| } |
| |
| extern "C" void RunManyThreadsWithId(void (*fn)(int), int count) { |
| for (int i = 0; i < count; i++) |
| (*fn)(i); // stacksize doesn't make sense in a non-threaded context |
| } |
| |
| #else |
| |
| extern "C" { |
| void RunThread(void (*fn)()) { |
| std::thread{fn}.join(); |
| } |
| |
| static void RunMany(const std::function<void(int)>& fn, int count) { |
| std::vector<std::thread> threads; |
| threads.reserve(count); |
| for (int i = 0; i < count; i++) { |
| threads.emplace_back(fn, i); |
| } |
| for (auto& t : threads) { |
| t.join(); |
| } |
| } |
| |
| void RunManyThreads(void (*fn)(), int count) { |
| RunMany([fn] (int dummy) { |
| fn(); |
| }, count); |
| } |
| |
| void RunManyThreadsWithId(void (*fn)(int), int count) { |
| RunMany(fn, count); |
| } |
| } |
| |
| #endif |