1
1
openmpi/src/mpi/runtime/ompi_mpi_abort.c

116 строки
3.3 KiB
C
Исходник Обычный вид История

/*
* Copyright (c) 2004-2005 The Trustees of Indiana University.
* All rights reserved.
* Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
* All rights reserved.
* Copyright (c) 2004-2005 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.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "communicator/communicator.h"
#include "util/show_help.h"
#include "util/proc_info.h"
#include "runtime/runtime.h"
#include "mca/ns/ns.h"
#include "mca/rmgr/rmgr.h"
#include "event/event.h"
#if HAVE_SIGNAL_H
#include <signal.h>
#endif
static
int
abort_procs(ompi_proc_t **procs, int proc_count,
orte_jobid_t my_jobid)
{
int i;
int ret = OMPI_SUCCESS;
int killret=OMPI_SUCCESS;
orte_jobid_t jobid;
for (i = 0 ; i < proc_count ; ++i) {
if (ORTE_SUCCESS != (ret = orte_ns.get_jobid(&jobid, &(procs[i]->proc_name)))) {
return ret;
}
if (jobid == my_jobid) continue;
killret = orte_rmgr.terminate_job(jobid);
if (OMPI_SUCCESS != killret) ret = killret;
}
return ret;
}
int
ompi_mpi_abort(struct ompi_communicator_t* comm,
int errcode,
bool kill_remote_of_intercomm)
{
orte_jobid_t my_jobid;
int ret=OMPI_SUCCESS;
/* BWB - XXX - Should probably publish the error code somewhere */
/* Kill everyone in the job. We may make this better someday to
actually loop over ompi_rte_kill_proc() to only kill the procs
in comm, and additionally to somehow use errorcode. */
if (ORTE_SUCCESS != (ret = orte_ns.get_jobid(&my_jobid, orte_process_info.my_name))) {
return ret;
}
/* kill everyone in the remote group execpt our jobid, if requested */
if (kill_remote_of_intercomm && OMPI_COMM_IS_INTER(comm)) {
abort_procs(comm->c_remote_group->grp_proc_pointers,
comm->c_remote_group->grp_proc_count,
my_jobid);
}
/* kill everyone in the local group, except our jobid */
abort_procs(comm->c_local_group->grp_proc_pointers,
comm->c_local_group->grp_proc_count,
my_jobid);
ret = orte_rmgr.terminate_job(my_jobid);
if (OMPI_SUCCESS == ret) {
while (1) {
/* We should never really get here, since
ompi_rte_terminate_job shouldn't return until the job
is actually dead. But just in case there are some
race conditions, keep progressing the event loop until
we get killed */
if (!OMPI_ENABLE_PROGRESS_THREADS || ompi_event_progress_thread()) {
ompi_event_loop(0);
} else {
sleep(1000);
}
}
} else {
/* If ret isn't OMPI_SUCCESS, then the rest of the job is
still running. But we can't really do anything about that, so
just exit and let it become Somebody Elses Problem. */
abort();
}
return OMPI_SUCCESS;
}