11d44cec1b
errors on the root. Thanks to Federico Golfre Andreasi for reporting the problem. This commit was SVN r21838.
142 строки
4.5 KiB
C
142 строки
4.5 KiB
C
/*
|
|
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
|
|
* University Research and Technology
|
|
* Corporation. All rights reserved.
|
|
* Copyright (c) 2004-2005 The University of Tennessee and The University
|
|
* of Tennessee Research Foundation. All rights
|
|
* reserved.
|
|
* Copyright (c) 2004-2008 High Performance Computing Center Stuttgart,
|
|
* University of Stuttgart. All rights reserved.
|
|
* Copyright (c) 2004-2005 The Regents of the University of California.
|
|
* All rights reserved.
|
|
* Copyright (c) 2006-2007 Cisco Systems, Inc. All rights reserved.
|
|
* $COPYRIGHT$
|
|
*
|
|
* Additional copyrights may follow
|
|
*
|
|
* $HEADER$
|
|
*/
|
|
#include "ompi_config.h"
|
|
#include <stdio.h>
|
|
|
|
#include "ompi/info/info.h"
|
|
#include "ompi/mpi/c/bindings.h"
|
|
#include "ompi/runtime/params.h"
|
|
#include "ompi/communicator/communicator.h"
|
|
#include "ompi/errhandler/errhandler.h"
|
|
#include "ompi/mca/dpm/dpm.h"
|
|
#include "ompi/memchecker.h"
|
|
|
|
#if OPAL_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
|
|
#pragma weak MPI_Comm_spawn = PMPI_Comm_spawn
|
|
#endif
|
|
|
|
#if OMPI_PROFILING_DEFINES
|
|
#include "ompi/mpi/c/profile/defines.h"
|
|
#endif
|
|
|
|
static const char FUNC_NAME[] = "MPI_Comm_spawn";
|
|
|
|
|
|
int MPI_Comm_spawn(char *command, char **argv, int maxprocs, MPI_Info info,
|
|
int root, MPI_Comm comm, MPI_Comm *intercomm,
|
|
int *array_of_errcodes)
|
|
{
|
|
int rank, rc=OMPI_SUCCESS, i, flag;
|
|
bool send_first = false; /* we wait to be contacted */
|
|
ompi_communicator_t *newcomp=NULL;
|
|
char port_name[MPI_MAX_PORT_NAME];
|
|
bool non_mpi = false;
|
|
|
|
MEMCHECKER(
|
|
memchecker_comm(comm);
|
|
);
|
|
|
|
if ( MPI_PARAM_CHECK ) {
|
|
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
|
|
|
|
if ( ompi_comm_invalid (comm)) {
|
|
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM,
|
|
FUNC_NAME);
|
|
}
|
|
if ( OMPI_COMM_IS_INTER(comm)) {
|
|
return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_COMM,
|
|
FUNC_NAME);
|
|
}
|
|
if ( (0 > root) || (ompi_comm_size(comm) <= root) ) {
|
|
return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_ARG,
|
|
FUNC_NAME);
|
|
}
|
|
if ( NULL == intercomm ) {
|
|
return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_ARG,
|
|
FUNC_NAME);
|
|
}
|
|
}
|
|
|
|
rank = ompi_comm_rank ( comm );
|
|
if ( MPI_PARAM_CHECK ) {
|
|
if ( rank == root ) {
|
|
if ( NULL == command ) {
|
|
return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_ARG,
|
|
FUNC_NAME);
|
|
}
|
|
if ( 0 > maxprocs ) {
|
|
return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_ARG,
|
|
FUNC_NAME);
|
|
}
|
|
if (NULL == info || ompi_info_is_freed(info)) {
|
|
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INFO,
|
|
FUNC_NAME);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* initialize the port name to avoid problems */
|
|
memset(port_name, 0, MPI_MAX_PORT_NAME);
|
|
|
|
/* See if the info key "ompi_non_mpi" was set to true */
|
|
if (rank == root) {
|
|
ompi_info_get_bool(info, "ompi_non_mpi", &non_mpi, &flag);
|
|
}
|
|
|
|
OPAL_CR_ENTER_LIBRARY();
|
|
|
|
if ( rank == root ) {
|
|
if (!non_mpi) {
|
|
/* Open a port. The port_name is passed as an environment
|
|
variable to the children. */
|
|
if (OMPI_SUCCESS != (rc = ompi_dpm.open_port (port_name, OMPI_RML_TAG_INVALID))) {
|
|
goto error;
|
|
}
|
|
}
|
|
if (OMPI_SUCCESS != (rc = ompi_dpm.spawn (1, &command, &argv, &maxprocs,
|
|
&info, port_name))) {
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
if (non_mpi) {
|
|
newcomp = MPI_COMM_NULL;
|
|
} else {
|
|
rc = ompi_dpm.connect_accept (comm, root, port_name, send_first, &newcomp);
|
|
}
|
|
|
|
error:
|
|
OPAL_CR_EXIT_LIBRARY();
|
|
|
|
/* close the port */
|
|
if (rank == root && !non_mpi) {
|
|
ompi_dpm.close_port(port_name);
|
|
}
|
|
|
|
/* set error codes */
|
|
if (MPI_ERRCODES_IGNORE != array_of_errcodes) {
|
|
for ( i=0; i < maxprocs; i++ ) {
|
|
array_of_errcodes[i]=rc;
|
|
}
|
|
}
|
|
|
|
*intercomm = newcomp;
|
|
OMPI_ERRHANDLER_RETURN (rc, comm, rc, FUNC_NAME);
|
|
}
|