bool ReadWriteLock::BeginWriteTimeout(long milliseconds)
{
const int sleepMillis = 5;
StopWatch watch;
watch.Start();
do
{
RETURN_TRUE_IF_TRUE(TryBeginWrite());
Thread::Sleep(sleepMillis);
watch.Shot();
} while (watch.ElapsedMilliseconds() < milliseconds);
return false;
}
bool ReadWriteLock::BeginReadTimeout(long milliseconds)
{
#if defined(MEDUSA_ANDROID)||defined(MEDUSA_IOS)
const int sleepMillis = 5;
StopWatch watch;
watch.Start();
do
{
RETURN_TRUE_IF_TRUE(TryBeginRead());
Thread::Sleep(sleepMillis);
watch.Shot();
} while (watch.ElapsedMilliseconds() < milliseconds);
return false;
#else
struct timespec abstime = PerformanceCounter::ToAbsoluteTime(milliseconds);
int result = pthread_rwlock_timedrdlock(&mLock, &abstime);
return result == 0;
#endif
}
int main()
{
int vertex;
string str;
Graph InitialGraph;
pair<int, int> tuple;
vector<string> tokens;
StopWatch watch;
ifstream ff("dijkstraData.txt");
while(ff.good())
{
getline(ff, str);
tokens = Tokenize(str);
vertex = atoi(tokens[0].c_str());
for (unsigned i = 1; i<tokens.size(); i++)
{
tuple = Split(tokens[i]);
InitialGraph.AddEdge(Edge(vertex, tuple.first), tuple.second);
}
}
ff.close();
watch.Start();
InitialGraph.ShortestPath(1);
watch.Stop();
cout << "Tempo impiegato: " << watch.ElapsedMilliseconds() << endl;
// clock_t end = clock();
// double elapsed_secs = double(end - begin) / CLOCKS_PER_SEC;
// cout << "Tempo impiegato: " << elapsed_secs << endl;
return 0;
}