Ticket #6549: test2_win.cpp.txt

#include <boost/date_time/posix_time/posix_time.hpp>
using namespace boost::posix_time;
#include <iostream>
using namespace std;

#include <Windows.h>

int main() {

        const size_t iterations = 100000;

        HANDLE sem1 = OpenSemaphore(SEMAPHORE_ALL_ACCESS , false, "wsem1");
        HANDLE sem2 = OpenSemaphore(SEMAPHORE_ALL_ACCESS , false, "wsem2");

        if(sem1 == NULL || sem2 == NULL) {
            cerr << "HOUSTON WE HAVE A PROBLEM" << endl;
        }

        DWORD waitResult;
        LONG previous;
        ptime start = boost::posix_time::microsec_clock::local_time();
        for(size_t i = 0; i < iterations; ++i) {
                if(!ReleaseSemaphore(sem1, 1, &previous)) {
                    cerr << "Release semaphore A error: " << GetLastError() << endl;
                }
//              else {
//                  cerr << "Previous A: " << previous << endl;
//              }

                waitResult = WaitForSingleObject(sem2, INFINITE);
                if(waitResult != WAIT_OBJECT_0) {
                    cerr << "WTF A " << waitResult << " / " << GetLastError() << endl;
                    break;
                }
//              else {
//                  cerr << "GOT A" << endl;
//              }

        }

        ptime end = boost::posix_time::microsec_clock::local_time();
        time_duration delta = end - start;

        double seconds = double(delta.total_nanoseconds())/1000000000.0;

        cout << "Total elapsed time: " << seconds << endl;;
        cout << "Time per iteration: " << (seconds/double(iterations)) << endl;
        return 0;
}