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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <chrono>
#include <thread>
static std::atomic<int64_t> number;
#define INCREASE_NUMBER_AMOUNT 10000
using namespace std::chrono_literals;
class ThreadTestBase : public BaseTest, public FastOS_Runnable
{
private:
std::mutex printMutex;
public:
ThreadTestBase(void)
: printMutex()
{
}
virtual ~ThreadTestBase() {}
void PrintProgress (char *string) override {
std::lock_guard<std::mutex> guard(printMutex);
BaseTest::PrintProgress(string);
}
void Run (FastOS_ThreadInterface *thread, void *arg) override;
void WaitForThreadsToFinish (Job *jobs, int count) {
int i;
Progress(true, "Waiting for threads to finish...");
for(;;) {
bool threadsFinished=true;
for (i=0; i<count; i++) {
if (jobs[i].result == -1) {
threadsFinished = false;
break;
}
}
std::this_thread::sleep_for(1us);
if(threadsFinished)
break;
}
Progress(true, "Threads finished");
}
};
void ThreadTestBase::Run (FastOS_ThreadInterface *thread, void *arg)
{
if(arg == nullptr)
return;
Job *job = static_cast<Job *>(arg);
char someStack[15*1024];
memset(someStack, 0, 15*1024);
switch(job->code)
{
case SILENTNOP:
{
job->result = 1;
break;
}
case NOP:
{
Progress(true, "Doing NOP");
job->result = 1;
break;
}
case PRINT_MESSAGE_AND_WAIT3MSEC:
{
Progress(true, "Thread printing message: [%s]", job->message);
job->result = strlen(job->message);
std::this_thread::sleep_for(3ms);
break;
}
case INCREASE_NUMBER:
{
int result;
std::unique_lock<std::mutex> guard;
if(job->mutex != nullptr) {
guard = std::unique_lock<std::mutex>(*job->mutex);
}
result = static_cast<int>(number.load(std::memory_order_relaxed));
int sleepOn = (INCREASE_NUMBER_AMOUNT/2) * 321/10000;
for (int i=0; i<(INCREASE_NUMBER_AMOUNT/2); i++) {
number.fetch_add(2, std::memory_order_relaxed);
if (i == sleepOn)
std::this_thread::sleep_for(1ms);
}
guard = std::unique_lock<std::mutex>();
job->result = result; // This marks the end of the thread
break;
}
case WAIT_FOR_BREAK_FLAG:
{
for(;;) {
std::this_thread::sleep_for(1us);
if (thread->GetBreakFlag()) {
Progress(true, "Thread %p got breakflag", thread);
break;
}
}
break;
}
case WAIT_FOR_THREAD_TO_FINISH:
{
std::unique_lock<std::mutex> guard;
if (job->mutex != nullptr) {
guard = std::unique_lock<std::mutex>(*job->mutex);
}
if (job->otherThread != nullptr)
job->otherThread->Join();
break;
}
case TEST_ID:
{
job->mutex->lock(); // Initially the parent threads owns the lock
job->mutex->unlock(); // It is unlocked when we should start
FastOS_ThreadId currentId = FastOS_Thread::GetCurrentThreadId();
if(currentId == job->_threadId)
job->result = 1;
else
job->result = -1;
break;
}
default:
Progress(false, "Unknown jobcode");
break;
}
}
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