/* -*- 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_get_errhandler */
#if defined(HAVE_PRAGMA_WEAK)
#pragma weak MPI_Comm_get_errhandler = PMPI_Comm_get_errhandler
#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
#pragma _HP_SECONDARY_DEF PMPI_Comm_get_errhandler MPI_Comm_get_errhandler
#elif defined(HAVE_PRAGMA_CRI_DUP)
#pragma _CRI duplicate MPI_Comm_get_errhandler as PMPI_Comm_get_errhandler
#elif defined(HAVE_WEAK_ATTRIBUTE)
int MPI_Comm_get_errhandler(MPI_Comm comm, MPI_Errhandler * errhandler)
__attribute__ ((weak, alias("PMPI_Comm_get_errhandler")));
#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_get_errhandler
#define MPI_Comm_get_errhandler PMPI_Comm_get_errhandler
/* MPIR_Comm_get_errhandler_impl
returning NULL for errhandler_ptr means the default handler, MPI_ERRORS_ARE_FATAL is used */
#undef FUNCNAME
#define FUNCNAME MPIR_Comm_get_errhandler_impl
#undef FCNAME
#define FCNAME MPL_QUOTE(FUNCNAME)
void MPIR_Comm_get_errhandler_impl(MPIR_Comm * comm_ptr, MPIR_Errhandler ** errhandler_ptr)
{
MPID_THREAD_CS_ENTER(POBJ, MPIR_THREAD_POBJ_COMM_MUTEX(comm_ptr));
*errhandler_ptr = comm_ptr->errhandler;
if (comm_ptr->errhandler)
MPIR_Errhandler_add_ref(comm_ptr->errhandler);
MPID_THREAD_CS_EXIT(POBJ, MPIR_THREAD_POBJ_COMM_MUTEX(comm_ptr));
return;
}
#endif
#undef FUNCNAME
#define FUNCNAME MPI_Comm_get_errhandler
#undef FCNAME
#define FCNAME MPL_QUOTE(FUNCNAME)
/*@
MPI_Comm_get_errhandler - Get the error handler attached to a communicator
Input Parameters:
. comm - communicator (handle)
Output Parameters:
. errhandler - handler currently associated with communicator (handle)
.N ThreadSafeNoUpdate
.N Fortran
.N Errors
.N MPI_SUCCESS
.N MPI_ERR_COMM
@*/
int MPI_Comm_get_errhandler(MPI_Comm comm, MPI_Errhandler * errhandler)
{
int mpi_errno = MPI_SUCCESS;
MPIR_Comm *comm_ptr = NULL;
MPIR_Errhandler *errhandler_ptr;
MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_COMM_GET_ERRHANDLER);
MPIR_ERRTEST_INITIALIZED_ORDIE();
MPID_THREAD_CS_ENTER(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
MPIR_FUNC_TERSE_ENTER(MPID_STATE_MPI_COMM_GET_ERRHANDLER);
/* Validate parameters, especially handles needing to be converted */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_ERRTEST_COMM(comm, mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
#endif
/* Convert MPI object handles to object pointers */
MPIR_Comm_get_ptr(comm, comm_ptr);
/* Validate parameters and objects (post conversion) */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
/* Validate comm_ptr; if comm_ptr is not valid, it will be reset to null */
MPIR_Comm_valid_ptr(comm_ptr, mpi_errno, TRUE);
if (mpi_errno)
goto fn_fail;
MPIR_ERRTEST_ARGNULL(errhandler, "errhandler", mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
MPIR_Comm_get_errhandler_impl(comm_ptr, &errhandler_ptr);
if (errhandler_ptr)
*errhandler = errhandler_ptr->handle;
else
*errhandler = MPI_ERRORS_ARE_FATAL;
/* ... end of body of routine ... */
#ifdef HAVE_ERROR_CHECKING
fn_exit:
#endif
MPIR_FUNC_TERSE_EXIT(MPID_STATE_MPI_COMM_GET_ERRHANDLER);
MPID_THREAD_CS_EXIT(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
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_comm_get_errhandler", "**mpi_comm_get_errhandler %C %p",
comm, errhandler);
}
mpi_errno = MPIR_Err_return_comm(comm_ptr, FCNAME, mpi_errno);
goto fn_exit;
#endif
/* --END ERROR HANDLING-- */
}