void team_barrier()
{
const bool not_root = m_team_rank + 1 < m_team_size ;
for ( int i = 0 ; i < m_fan_team_size ; ++i ) {
spinwait( m_fan_team[i]->m_state_team , OpenMPexec::Active );
}
if ( not_root ) {
m_state_team = Rendezvous ;
spinwait( m_state_team , OpenMPexec::Rendezvous );
}
for ( int i = 0 ; i < m_fan_team_size ; ++i ) {
m_fan_team[i]->m_state_team = OpenMPexec::Active ;
}
}
DWORD WINAPI consumerthread(LPVOID thread)
{
DWORD threadID=GetCurrentThreadId();
EnterCriticalSection(&cs);
printf("Spawning Consumer");
dequeue();
LeaveCriticalSection(&cs);
SetEvent(Ready);
spinwait(Ptime*100000);
return 0;
}
DWORD WINAPI producerthread(LPVOID thread)
{
DWORD threadID=GetCurrentThreadId();
int i;
for(i=1; i<=X;i++)
{
EnterCriticalSection(&cs);
enqueue(i);
LeaveCriticalSection(&cs);
SetEvent(Ready);
}
spinwait(Ptime*100000);
return 0;
}
findcpuspeed()
{
unsigned char low;
unsigned int remainder;
/* Put counter in count down mode */
outb(IO_TIMER1+3, 0x34);
outb(IO_TIMER1, 0xff);
outb(IO_TIMER1, 0xff);
delaycount = FIRST_GUESS;
spinwait(1);
/* Read the value left in the counter */
low = inb(IO_TIMER1); /* least siginifcant */
remainder = inb(IO_TIMER1); /* most significant */
remainder = (remainder<<8) + low ;
/* Formula for delaycount is :
* (loopcount * timer clock speed)/ (counter ticks * 1000)
*/
delaycount = (FIRST_GUESS * (XTALSPEED/1000)) / (0xffff-remainder);
}
