System::Threading::AutoResetEvent class
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]AutoResetEvent class
Event to notify waiting thread that resets automatically. Objects of this class should only be allocated using System::MakeObject() function. Never create instance of this type on stack or using operator new, as it will result in runtime errors and/or assertion faults. Always wrap this class into System::SmartPtr pointer and use this pointer to pass it to functions as argument.
class AutoResetEvent : public System::Threading::EventWaitHandle
Methods
Method | Description |
---|---|
AutoResetEvent(bool) | RTTI information. |
Fields
Field | Description |
---|---|
static WaitTimeout | Special value to be returned by the function otherwise returning index of signalled object in array, if timeout exceeds and nothing signals. |
Remarks
#include "system/threading/auto_reset_event.h"
#include "system/threading/thread.h"
#include "system/smart_ptr.h"
#include "system/string.h"
#include <iostream>
#include <vector>
int main()
{
using namespace System::Threading;
const auto threadsCount = 3;
std::cout << "Threads count: " << threadsCount << std::endl;
auto autoResetEvent = System::MakeObject<AutoResetEvent>(true);
int x = 0;
std::vector<System::SharedPtr<Thread>> threads;
threads.reserve(threadsCount);
for (auto i = 0; i < threadsCount; ++i)
{
threads.emplace_back(System::MakeObject<Thread>([&x, &autoResetEvent]() -> void {
autoResetEvent->WaitOne();
x = 1;
for (auto i = 0; i < 5; ++i)
{
std::cout << Thread::get_CurrentThread()->get_Name() << ": " << x++ << std::endl;
Thread::Sleep(100);
}
autoResetEvent->Set();
}));
threads.back()->set_Name(System::String("Thread " + std::to_string(i)));
threads.back()->Start();
}
Thread::Sleep(threadsCount * 100);
for (auto& thread : threads)
{
thread->Join();
}
return 0;
}
/*
This code example produces the following output:
Threads count: 3
Thread 0: 1
Thread 0: 2
Thread 0: 3
Thread 0: 4
Thread 0: 5
Thread 1: 1
Thread 1: 2
Thread 1: 3
Thread 1: 4
Thread 1: 5
Thread 2: 1
Thread 2: 2
Thread 2: 3
Thread 2: 4
Thread 2: 5
*/
See Also
- Class EventWaitHandle
- Namespace System::Threading
- Library Aspose.PUB for C++