// EPOS Condition Implementation
//
// Author: alexandre
// Documentation: $EPOS/doc/synchronizer			Date: 19 May 2004

#include <abstraction/synchronizer/condition.h>
//#include <abstraction/thread/concurrent_thread.h>

__BEGIN_SYS
__BEGIN_IMP

Condition::Condition()
{
	db<Condition>(TRC) << "Condition()\n";
	Condition::counter = 0;
}

Condition::~Condition()
{
  db<Condition>(TRC) << "~Condition()\n";
}

void Condition::wait()
{
  db<Condition>(TRC) << "Condition::wait()\n";

  Condition::self = Concurrent_Thread::running();
  Condition::self->suspend();
  Condition::counter++;
}

void Condition::signal()
{
  db<Condition>(TRC) << "Condition::signal()\n";

  Condition::self = Concurrent_Thread::running();
  Condition::self->resume();
  
  Condition::counter--;
}

void Condition::broadcast()
{
  db<Condition>(TRC) << "Condition::broadcast()\n";
  while (Condition::counter > 0) {
    signal();
  }


}
__END_IMP
__END_SYS