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/*****************************************************************************
sc_barrier.h -- Barrier Process Synchronization Definition
Original Author: Andy Goodrich, Forte Design Systems, 5 May 2003
*****************************************************************************/
/*****************************************************************************
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#ifndef SCX_BARRIER_H
#define SCX_BARRIER_H
namespace sc_core {
// -----------------------------------------------------------------------------
// CLASS scx_barrier
//
// This class provides a way of synchronising a set of processes. Each process
// calls the wait() method and one all processes have called that method they
// will all be released for execution.
// -----------------------------------------------------------------------------
class scx_barrier {
public:
void initialize( int thread_n )
{
m_thread_n = thread_n;
}
void wait()
{
m_thread_n--;
if ( m_thread_n )
{
::sc_core::wait(m_barrier_event);
}
else
{
m_barrier_event.notify_delayed();
::sc_core::wait(m_barrier_event);
}
}
protected:
sc_event m_barrier_event; // Event to wait on.
int m_thread_n; // # of threads left to wait.
};
} // namespace sc_core
#endif // SCX_BARRIER_H
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main.cpp
scx_barrier.dsp
scx_barrier.dsw
scx_barrier.h
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