text: /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
  /*
   *
   *  (C) 2001 by Argonne National Laboratory.
   *      See COPYRIGHT in top-level directory.
   */
  
  #include "mpiimpl.h"
  #include "errcodes.h"
  
  /* -- Begin Profiling Symbol Block for routine MPI_Error_class */
  #if defined(HAVE_PRAGMA_WEAK)
  #pragma weak MPI_Error_class = PMPI_Error_class
  #elif defined(HAVE_PRAGMA_HP_SEC_DEF)
  #pragma _HP_SECONDARY_DEF PMPI_Error_class  MPI_Error_class
  #elif defined(HAVE_PRAGMA_CRI_DUP)
  #pragma _CRI duplicate MPI_Error_class as PMPI_Error_class
  #elif defined(HAVE_WEAK_ATTRIBUTE)
  int MPI_Error_class(int errorcode, int *errorclass) __attribute__((weak,alias("PMPI_Error_class")));
  #endif
  /* -- End Profiling Symbol Block */
  
  /* Define MPICH_MPI_FROM_PMPI if weak symbols are not supported to build
     the MPI routines */
  #ifndef MPICH_MPI_FROM_PMPI
  #undef MPI_Error_class
  #define MPI_Error_class PMPI_Error_class
  
  #endif
  
  #undef FUNCNAME
  #define FUNCNAME MPI_Error_class
  
  /*@
     MPI_Error_class - Converts an error code into an error class
  
  Input Parameters:
  . errorcode - Error code returned by an MPI routine 
  
  Output Parameters:
  . errorclass - Error class associated with 'errorcode'
  
  .N SignalSafe
  
  .N Fortran
  
  .N Errors
  .N MPI_SUCCESS
  @*/
  int MPI_Error_class(int errorcode, int *errorclass)
  {
  #ifdef HAVE_ERROR_CHECKING
      static const char FCNAME[] = "MPI_Error_class";
  #endif
      int mpi_errno = MPI_SUCCESS;
      MPID_MPI_STATE_DECL(MPID_STATE_MPI_ERROR_CLASS);
  
      MPIR_ERRTEST_INITIALIZED_ORDIE();
      
      MPID_MPI_FUNC_ENTER(MPID_STATE_MPI_ERROR_CLASS);
  
      /* Validate parameters, especially handles needing to be converted */
  #   ifdef HAVE_ERROR_CHECKING
      {
          MPID_BEGIN_ERROR_CHECKS;
          {
  	    MPIR_ERRTEST_ARGNULL(errorclass,"errorclass",mpi_errno);
          }
          MPID_END_ERROR_CHECKS;
      }
  #   endif /* HAVE_ERROR_CHECKING */
  
      /* ... body of routine ...  */
      
      /* We include the dynamic bit because this is needed to fully
         describe the dynamic error classes */
      *errorclass = errorcode & (ERROR_CLASS_MASK | ERROR_DYN_MASK);
      
      /* ... end of body of routine ... */
  
  #ifdef HAVE_ERROR_CHECKING
    fn_exit:
  #endif
      MPID_MPI_FUNC_EXIT(MPID_STATE_MPI_ERROR_CLASS);
      return mpi_errno;
  
      /* --BEGIN ERROR HANDLING-- */
  #   ifdef HAVE_ERROR_CHECKING
    fn_fail:
      {
  	mpi_errno = MPIR_Err_create_code(
  	    mpi_errno, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__, MPI_ERR_OTHER, 
  	    "**mpi_error_class",
  	    "**mpi_error_class %d %p", errorcode, errorclass);
      }
      mpi_errno = MPIR_Err_return_comm( NULL, FCNAME, mpi_errno );
      goto fn_exit;
  #   endif
      /* --END ERROR HANDLING-- */
  }
  
  