/* -*- 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_Initialized */
#if defined(HAVE_PRAGMA_WEAK)
#pragma weak MPI_Initialized = PMPI_Initialized
#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
#pragma _HP_SECONDARY_DEF PMPI_Initialized MPI_Initialized
#elif defined(HAVE_PRAGMA_CRI_DUP)
#pragma _CRI duplicate MPI_Initialized as PMPI_Initialized
#elif defined(HAVE_WEAK_ATTRIBUTE)
int MPI_Initialized(int *flag) __attribute__ ((weak, alias("PMPI_Initialized")));
#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_Initialized
#define MPI_Initialized PMPI_Initialized
#endif
#undef FUNCNAME
#define FUNCNAME MPI_Initialized
#undef FCNAME
#define FCNAME MPL_QUOTE(FUNCNAME)
/*@
MPI_Initialized - Indicates whether 'MPI_Init' has been called.
Output Parameters:
. flag - Flag is true if 'MPI_Init' or 'MPI_Init_thread' has been called and
false otherwise.
Notes:
.N Fortran
.N Errors
.N MPI_SUCCESS
@*/
int MPI_Initialized(int *flag)
{
int mpi_errno = MPI_SUCCESS;
MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_INITIALIZED);
MPIR_FUNC_TERSE_ENTER(MPID_STATE_MPI_INITIALIZED);
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
/* Should check that flag is not null */
if (flag == NULL) {
mpi_errno = MPI_ERR_ARG;
goto fn_fail;
}
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
*flag = (OPA_load_int(&MPIR_Process.mpich_state) >= MPICH_MPI_STATE__POST_INIT);
/* ... end of body of routine ... */
#ifdef HAVE_ERROR_CHECKING
fn_exit:
#endif
MPIR_FUNC_TERSE_EXIT(MPID_STATE_MPI_INITIALIZED);
return mpi_errno;
/* --BEGIN ERROR HANDLING-- */
#ifdef HAVE_ERROR_CHECKING
fn_fail:
if (OPA_load_int(&MPIR_Process.mpich_state) == MPICH_MPI_STATE__IN_INIT ||
OPA_load_int(&MPIR_Process.mpich_state) == MPICH_MPI_STATE__POST_INIT) {
{
mpi_errno = MPIR_Err_create_code(mpi_errno, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__,
MPI_ERR_OTHER, "**mpi_initialized",
"**mpi_initialized %p", flag);
}
mpi_errno = MPIR_Err_return_comm(0, FCNAME, mpi_errno);
}
goto fn_exit;
#endif
/* --END ERROR HANDLING-- */
}