2b9f9f67a4
happen in the event thread so that the process starters can actually reap the dead processes when required * Added logic to ompi_mpi_abort to kill both local and remote groups This commit was SVN r3808.
105 строки
3.0 KiB
C
105 строки
3.0 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University.
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* All rights reserved.
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* Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
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* All rights reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#include "ompi_config.h"
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#include <unistd.h>
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#include "communicator/communicator.h"
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#include "util/show_help.h"
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#include "util/proc_info.h"
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#include "runtime/runtime.h"
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#include "mca/ns/ns.h"
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#include "mca/ns/base/base.h"
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#include "event/event.h"
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#if HAVE_SIGNAL_H
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#include <signal.h>
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#endif
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static
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int
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abort_procs(ompi_proc_t **procs, int proc_count,
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mca_ns_base_jobid_t my_jobid)
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{
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int i;
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int ret = OMPI_SUCCESS;
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int killret;
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mca_ns_base_jobid_t jobid;
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for (i = 0 ; i < proc_count ; ++i) {
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jobid = ompi_name_server.get_jobid(&(procs[i]->proc_name));
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if (jobid == my_jobid) continue;
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killret = ompi_rte_terminate_job(jobid, 0);
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if (OMPI_SUCCESS != killret) ret = killret;
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}
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return ret;
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}
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int
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ompi_mpi_abort(struct ompi_communicator_t* comm,
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int errcode,
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bool kill_remote_of_intercomm)
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{
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mca_ns_base_jobid_t my_jobid;
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int ret;
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/* BWB - XXX - Should probably publish the error code somewhere */
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/* Kill everyone in the job. We may make this better someday to
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actually loop over ompi_rte_kill_proc() to only kill the procs
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in comm, and additionally to somehow use errorcode. */
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my_jobid = ompi_name_server.get_jobid(ompi_rte_get_self());
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/* kill everyone in the remote group execpt our jobid, if requested */
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if (kill_remote_of_intercomm && OMPI_COMM_IS_INTER(comm)) {
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abort_procs(comm->c_remote_group->grp_proc_pointers,
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comm->c_remote_group->grp_proc_count,
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my_jobid);
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}
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/* kill everyone in the local group, except our jobid */
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abort_procs(comm->c_local_group->grp_proc_pointers,
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comm->c_local_group->grp_proc_count,
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my_jobid);
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ret = ompi_rte_terminate_job(my_jobid, 0);
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if (OMPI_SUCCESS == ret) {
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while (1) {
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/* We should never really get here, since
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ompi_rte_terminate_job shouldn't return until the job
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is actually dead. But just in case there are some
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race conditions, keep progressing the event loop until
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we get killed */
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if (!OMPI_HAVE_THREADS || ompi_event_progress_thread()) {
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ompi_event_loop(0);
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} else {
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sleep(1000);
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}
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}
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} else {
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/* If ret isn't OMPI_SUCCESS, then the rest of the job is
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still running. But we can't really do anything about that, so
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just exit and let it become Somebody Elses Problem. */
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abort();
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}
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return OMPI_SUCCESS;
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}
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