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"
  
  /* -- Begin Profiling Symbol Block for routine MPI_Comm_accept */
  #if defined(HAVE_PRAGMA_WEAK)
  #pragma weak MPI_Comm_accept = PMPI_Comm_accept
  #elif defined(HAVE_PRAGMA_HP_SEC_DEF)
  #pragma _HP_SECONDARY_DEF PMPI_Comm_accept  MPI_Comm_accept
  #elif defined(HAVE_PRAGMA_CRI_DUP)
  #pragma _CRI duplicate MPI_Comm_accept as PMPI_Comm_accept
  #elif defined(HAVE_WEAK_ATTRIBUTE)
  int MPI_Comm_accept(const char *port_name, MPI_Info info, int root, MPI_Comm comm,
                      MPI_Comm *newcomm) __attribute__((weak,alias("PMPI_Comm_accept")));
  #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_Comm_accept
  #define MPI_Comm_accept PMPI_Comm_accept
  
  #undef FUNCNAME
  #define FUNCNAME MPIR_Comm_accept_impl
  #undef FCNAME
  #define FCNAME MPIU_QUOTE(FUNCNAME)
  int MPIR_Comm_accept_impl(const char * port_name, MPID_Info * info_ptr, int root,
                            MPID_Comm * comm_ptr, MPID_Comm ** newcomm_ptr)
  {
      return MPID_Comm_accept(port_name, info_ptr, root, comm_ptr, newcomm_ptr);
  }
  
  
  #endif
  
  #undef FUNCNAME
  #define FUNCNAME MPI_Comm_accept
  #undef FCNAME
  #define FCNAME MPIU_QUOTE(FUNCNAME)
  /*@
     MPI_Comm_accept - Accept a request to form a new intercommunicator
  
  Input Parameters:
  + port_name - port name (string, used only on root) 
  . info - implementation-dependent information (handle, used only on root) 
  . root - rank in comm of root node (integer) 
  - comm - intracommunicator over which call is collective (handle)
  
  Output Parameters:
  . newcomm - intercommunicator with client as remote group (handle) 
  
  .N ThreadSafe
  
  .N Fortran
  
  .N Errors
  .N MPI_SUCCESS
  .N MPI_ERR_INFO
  .N MPI_ERR_COMM
  @*/
  int MPI_Comm_accept(const char *port_name, MPI_Info info, int root, MPI_Comm comm,
                      MPI_Comm *newcomm)
  {
      int mpi_errno = MPI_SUCCESS;
      MPID_Comm *comm_ptr = NULL;
      MPID_Comm *newcomm_ptr = NULL;
      MPID_Info *info_ptr = NULL;
      MPID_MPI_STATE_DECL(MPID_STATE_MPI_COMM_ACCEPT);
  
      MPIR_ERRTEST_INITIALIZED_ORDIE();
      
      MPIU_THREAD_CS_ENTER(ALLFUNC,);
      MPID_MPI_FUNC_ENTER(MPID_STATE_MPI_COMM_ACCEPT);
  
      /* Validate parameters, especially handles needing to be converted */
  #   ifdef HAVE_ERROR_CHECKING
      {
          MPID_BEGIN_ERROR_CHECKS;
          {
  	    MPIR_ERRTEST_COMM(comm, mpi_errno);
  	    MPIR_ERRTEST_INFO_OR_NULL(info, mpi_errno);
          }
          MPID_END_ERROR_CHECKS;
      }
  #   endif
      
      /* Convert MPI object handles to object pointers */
      MPID_Comm_get_ptr( comm, comm_ptr );
      MPID_Info_get_ptr( info, info_ptr );
      
      /* Validate parameters and objects (post conversion) */
  #   ifdef HAVE_ERROR_CHECKING
      {
          MPID_BEGIN_ERROR_CHECKS;
          {
              /* Validate comm_ptr */
              MPID_Comm_valid_ptr( comm_ptr, mpi_errno, FALSE );
              if (mpi_errno) goto fn_fail;
          }
          MPID_END_ERROR_CHECKS;
      }
  #   endif /* HAVE_ERROR_CHECKING */
  
      /* ... body of routine ...  */
      
      mpi_errno = MPIR_Comm_accept_impl(port_name, info_ptr, root, comm_ptr, &newcomm_ptr);
      if (mpi_errno) goto fn_fail;
  
      MPIU_OBJ_PUBLISH_HANDLE(*newcomm, newcomm_ptr->handle);
  
      /* ... end of body of routine ... */
  
    fn_exit:
      MPID_MPI_FUNC_EXIT(MPID_STATE_MPI_COMM_ACCEPT);
      MPIU_THREAD_CS_EXIT(ALLFUNC,);
      return mpi_errno;
  
    fn_fail:
      /* --BEGIN ERROR HANDLING-- */
  #   ifdef HAVE_ERROR_CHECKING
      {
  	mpi_errno = MPIR_Err_create_code(
  	    mpi_errno, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__, MPI_ERR_OTHER, "**mpi_comm_accept",
  	    "**mpi_comm_accept %s %I %d %C %p", port_name, info, root, comm, newcomm);
      }
  #   endif
      mpi_errno = MPIR_Err_return_comm( comm_ptr, FCNAME, mpi_errno );
      goto fn_exit;
      /* --END ERROR HANDLING-- */
  }
  