////////////////////////////////////////////////////////////////////////
// buffer.cpp : implementation of the CBuffer class
//
// $Log: buffer.cpp,v $
// Revision 1.1  1997/06/13 18:17:43  nettleto
// Initial revision
//
//

#include "buffer.h"

void
CBuffer::Put (int c)
{
  m.Lock ();
  while (N >= SIZE)
    Inc.Wait (&m);
  Buf [Inp] = c;
  N++;
  Inp = (Inp + 1) % SIZE;
  Outc.Signal ();
  m.Unlock ();
}

void
CBuffer::Get (int &c)
{
  m.Lock ();
  while (N <= 0)
    Outc.Wait (&m);
  c = Buf [Outp];
  N--;
  Outp = (Outp + 1) % SIZE;
  Inc.Signal ();
  m.Unlock ();
}