blacs_grid_.c File Reference

#include "Bdef.h"

Go to the source code of this file.

Functions
F_VOID_FUNC	blacs_gridexit_ (Int *ConTxt)

Function Documentation

blacs_gridexit_()

F_VOID_FUNC blacs_gridexit_

(

Int *

ConTxt

)

Definition at line 6 of file blacs_grid_.c.

{
   Int i;
   BLACSCONTEXT *ctxt;
   extern Int BI_MaxNCtxt;
   extern BLACSCONTEXT **BI_MyContxts;
 
   if ( (Mpval(ConTxt) < 0) || (Mpval(ConTxt) >= BI_MaxNCtxt) )
      BI_BlacsErr(Mpval(ConTxt), __LINE__, __FILE__,
              "Trying to exit non-existent context");
 
   if (BI_MyContxts[Mpval(ConTxt)] == NULL)
      BI_BlacsErr(Mpval(ConTxt), __LINE__, __FILE__,
              "Trying to exit an already freed context");
 
   MGetConTxt(Mpval(ConTxt), ctxt);
/*
 * Destroy context
 */
   MPI_Comm_free(&ctxt->pscp.comm);
   MPI_Comm_free(&ctxt->ascp.comm);
   MPI_Comm_free(&ctxt->rscp.comm);
   MPI_Comm_free(&ctxt->cscp.comm);
   free(ctxt);
   BI_MyContxts[Mpval(ConTxt)] = NULL;
}