modules/cudacodec/src/thread.cpp

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This source file includes following definitions.
WinThreadFunction
wait
PThreadFunction
wait
wait
sleep
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//
//                          License Agreement
//                For Open Source Computer Vision Library
//
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// are permitted provided that the following conditions are met:
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#include "precomp.hpp"

#ifdef HAVE_NVCUVID

using namespace cv::cudacodec::detail;

#ifdef WIN32

namespace
{
    struct UserData
    {
        Thread::Func func;
        void* param;
    };

    DWORD WINAPI WinThreadFunction(LPVOID lpParam)
    {
        UserData* userData = static_cast<UserData*>(lpParam);

        userData->func(userData->param);

        return 0;
    }
}

class cv::cudacodec::detail::Thread::Impl
{
public:
    Impl(Thread::Func func, void* userData)
    {
        userData_.func = func;
        userData_.param = userData;

        thread_ = CreateThread(
            NULL,                   // default security attributes
            0,                      // use default stack size
            WinThreadFunction,      // thread function name
            &userData_,             // argument to thread function
            0,                      // use default creation flags
            &threadId_);            // returns the thread identifier
    }

    ~Impl()
    {
        CloseHandle(thread_);
    }

    void wait()
    {
        WaitForSingleObject(thread_, INFINITE);
    }

private:
    UserData userData_;
    HANDLE thread_;
    DWORD threadId_;
};

#else

namespace
{
    struct UserData
    {
        Thread::Func func;
        void* param;
    };

    void* PThreadFunction(void* lpParam)
    {
        UserData* userData = static_cast<UserData*>(lpParam);

        userData->func(userData->param);

        return 0;
    }
}

class cv::cudacodec::detail::Thread::Impl
{
public:
    Impl(Thread::Func func, void* userData)
    {
        userData_.func = func;
        userData_.param = userData;

        pthread_create(&thread_, NULL, PThreadFunction, &userData_);
    }

    ~Impl()
    {
        pthread_detach(thread_);
    }

    void wait()
    {
        pthread_join(thread_, NULL);
    }

private:
    pthread_t thread_;
    UserData userData_;
};

#endif

cv::cudacodec::detail::Thread::Thread(Func func, void* userData) :
    impl_(new Impl(func, userData))
{
}

void cv::cudacodec::detail::Thread::wait()
{
    impl_->wait();
}

void cv::cudacodec::detail::Thread::sleep(int ms)
{
#ifdef WIN32
    ::Sleep(ms);
#else
    ::usleep(ms * 1000);
#endif
}

#endif // HAVE_NVCUVID
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root/modules/cudacodec/src/thread.cpp

DEFINITIONS
