p_sync.F

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!                   *****************
                    SUBROUTINE p_sync
!                   *****************
!
!
!***********************************************************************
! PARALLEL   V6P1                                   21/08/2010
!***********************************************************************
!
!brief    SYNCHRONISES ALL THE PROCESSORS.
!
!warning  THIS ROUTINE MUST BE CALLED BY ALL THE NODES/PROCESSORS,
!+            OTHERWISE THE PROGRAM WILL "HANG"
!
!history  REINHARD HINKELMANN (HANOVER)
!+        08/06/1996
!+
!+   MODIFIED
!
!history  J-M HERVOUET (LNH)
!+        17/12/1996
!+
!+   MODIFIED
!
!history  RAINER JOHANNI (SGI MUNICH)
!+        **/10/1999
!+
!+   ADAPTED FOR MPI
!
!history  J.A. JANKOWSKI (BAW KARLSRUHE)
!+        28/12/1999
!+
!+   RELEASE 5.0 MODIFIED
!
!history  HANS HERRMANN (HANOVER)
!+        23/06/2008
!+        V5P9
!+
!
!history  N.DURAND (HRW), S.E.BOURBAN (HRW)
!+        13/07/2010
!+        V6P0
!+   Translation of French comments within the FORTRAN sources into
!+   English comments
!
!history  N.DURAND (HRW), S.E.BOURBAN (HRW)
!+        21/08/2010
!+        V6P0
!+   Creation of DOXYGEN tags for automated documentation and
!+   cross-referencing of the FORTRAN sources
!
!~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!
      USE declarations_parallel
      USE declarations_special
      IMPLICIT NONE
!
      INTEGER IER
!
!-----------------------------------------------------------------------
!
      ier = 0
#if defined HAVE_MPI
      CALL mpi_barrier(comm,ier)
!
      IF(ier.NE.0) THEN
        WRITE(lu,*) 'P_SYNC: ERROR IN MPI_BARRIER'
        WRITE(lu,*) 'MPI ERROR ',ier
        CALL plante(1)
        stop
      ENDIF
      RETURN
#else
      WRITE(lu,*) 'CALL OF P_SYNC IN ITS VOID VERSION'
      stop
#endif
!
!-----------------------------------------------------------------------
!
      END