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// StressEvent.cpp
// Stress-tests the cEvent implementation
#include "Globals.h"
#include <thread>
/** Number of repetitions of the thread loops. */
const int NUM_REPETITIONS = 5000;
// Forward declarations are needed for clang
void runThread(cEvent * a_Event1, cEvent * a_Event2, const char * a_ThreadName);
/** Function that runs in a separate thread, notifies event1 and waits for event2, in a loop, NUM_REPETITIONS times.
This basically simulates a producer / consumer pattern with 2 events, one for "queue empty", the other for "queue full". */
void runThread(cEvent * a_Event1, cEvent * a_Event2, const char * a_ThreadName)
{
LOG("Thread %s started", a_ThreadName);
for (int i = 0; i < NUM_REPETITIONS; ++i)
{
// LOGD("%s: Waiting for event %p (%d)", a_ThreadName, a_Event2, i);
a_Event2->Wait();
// LOGD("%s: Setting event %p (%d)", a_ThreadName, a_Event1, i);
a_Event1->SetAll();
}
LOG("Thread %s finished", a_ThreadName);
}
int main()
{
LOG("Test started");
cEvent event1, event2;
event1.Set();
std::thread thread1(&runThread, &event1, &event2, "A");
std::thread thread2(&runThread, &event2, &event1, "B");
thread1.join();
thread2.join();
LOG("Test finished");
return 0;
}
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