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/*-
* Public Domain 2014-present MongoDB, Inc.
* Public Domain 2008-2014 WiredTiger, Inc.
*
* This is free and unencumbered software released into the public domain.
*
* Anyone is free to copy, modify, publish, use, compile, sell, or
* distribute this software, either in source code form or as a compiled
* binary, for any purpose, commercial or non-commercial, and by any
* means.
*
* In jurisdictions that recognize copyright laws, the author or authors
* of this software dedicate any and all copyright interest in the
* software to the public domain. We make this dedication for the benefit
* of the public at large and to the detriment of our heirs and
* successors. We intend this dedication to be an overt act of
* relinquishment in perpetuity of all present and future rights to this
* software under copyright law.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef THREAD_MANAGER_H
#define THREAD_MANAGER_H
#include <thread>
#include "workload/database_operation.h"
#include "workload/thread_context.h"
namespace test_harness {
/* Class that handles threads, from their initialization to their deletion. */
class thread_manager {
public:
~thread_manager()
{
for (auto &it : _workers) {
if (it != nullptr && it->joinable()) {
debug_print("You should've called join on the thread manager", DEBUG_ERROR);
it->join();
}
delete it;
it = nullptr;
}
_workers.clear();
}
/*
* Generic function to create threads that take contexts, typically these will be static
* functions.
*/
template <typename Callable>
void
add_thread(thread_context *tc, database_operation *db_operation, Callable &&fct)
{
tc->set_running(true);
std::thread *t = new std::thread(fct, std::ref(*tc), std::ref(*db_operation));
_workers.push_back(t);
}
/*
* Generic function to create threads that do not take thread contexts but take a single
* argument, typically these threads are calling non static member function of classes.
*/
template <typename Callable, typename Args>
void
add_thread(Callable &&fct, Args &&args)
{
std::thread *t = new std::thread(fct, args);
_workers.push_back(t);
}
/*
* Complete the operations for all threads.
*/
void
join()
{
for (const auto &it : _workers) {
if (it->joinable())
it->join();
}
}
private:
std::vector<std::thread *> _workers;
};
} // namespace test_harness
#endif
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