include/sync.h

   1 /*
   2  * $Id$
   3  *
   4  *       This source code is part of
   5  *
   6  *        G   R   O   M   A   C   S
   7  *
   8  * GROningen MAchine for Chemical Simulations
   9  *
  10  *               VERSION 2.0
  11  *
  12  * Copyright (c) 1991-1999
  13  * BIOSON Research Institute, Dept. of Biophysical Chemistry
  14  * University of Groningen, The Netherlands
  15  *
  16  * Please refer to:
  17  * GROMACS: A message-passing parallel molecular dynamics implementation
  18  * H.J.C. Berendsen, D. van der Spoel and R. van Drunen
  19  * Comp. Phys. Comm. 91, 43-56 (1995)
  20  *
  21  * Also check out our WWW page:
  22  * http://md.chem.rug.nl/~gmx
  23  * or e-mail to:
  24  * gromacs@chem.rug.nl
  25  *
  26  * And Hey:
  27  * Green Red Orange Magenta Azure Cyan Skyblue
  28  */
  29
  30 #ifndef _sync_h
  31 #define _sync_h
  32
  33 static char *SRCID_sync_h = "$Id$";
  34
  35 #ifdef HAVE_IDENT
  36 #ident  "@(#) sync.h 1.9 11/23/92"
  37 #endif /* HAVE_IDENT */
  38
  39 #define SYNC_AVAILABLE  1234
  40 #define SYNC_DONE       4321
  41
  42 extern void sync_open();
  43      /*
  44       * Initialises the synchronisation primimtives by creating the
  45       * needed semaphores.
  46       */
  47 extern void sync_close();
  48      /*
  49       * Removes the uses semaphores from the system.
  50       */
  51 extern void sync_available();
  52      /*
  53       * Wait until data is available.
  54       */
  55 extern void sync_done();
  56      /*
  57       * Signal data is handled.
  58       */
  59
  60 #endif  /* _sync_h */