265 строки
7.6 KiB
C
265 строки
7.6 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* 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 (c) 2004-2005 The Regents of the University of California.
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* 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 "orte_config.h"
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#include "orte/orte_constants.h"
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#include "opal/util/output.h"
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#include "opal/util/trace.h"
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#include "orte/runtime/runtime.h"
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#include "orte/mca/ns/ns_types.h"
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#include "orte/mca/gpr/gpr_types.h"
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#include "orte/mca/rml/rml.h"
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#include "orte/mca/errmgr/base/errmgr_private.h"
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#include "orte/mca/errmgr/proxy/errmgr_proxy.h"
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/*
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* This function gets called when the SMR updates a process state to
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* indicate that it aborted. Since the proxy component is only active on
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* non-HNP processes, this function will NEVER be called
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*/
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int orte_errmgr_proxy_proc_aborted(orte_gpr_notify_message_t *msg)
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{
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OPAL_TRACE(1);
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return ORTE_ERR_NOT_AVAILABLE;
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}
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/*
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* This function gets called when the SMR updates a process state to
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* indicate that it failed to start. Since the proxy component is only active on
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* non-HNP processes, this function will NEVER be called
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*/
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int orte_errmgr_proxy_incomplete_start(orte_gpr_notify_message_t *msg)
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{
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OPAL_TRACE(1);
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return ORTE_ERR_NOT_AVAILABLE;
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}
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/*
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* This function gets called when a process detects an internal error.
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* Various non-HNP/non-orted errmgr components will deal with this in various
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* ways - for now, we simply abort and provide the error_code as our
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* exit status
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*/
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void orte_errmgr_proxy_error_detected(int error_code, char *fmt, ...)
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{
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va_list arglist;
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OPAL_TRACE(1);
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/* If there was a message, output it */
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va_start(arglist, fmt);
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if( NULL != fmt ) {
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char* buffer = NULL;
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vasprintf( &buffer, fmt, arglist );
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opal_output( 0, buffer );
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free( buffer );
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}
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va_end(arglist);
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orte_abort(error_code, true);
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}
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/*
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* This function gets called when a process desperately needs to just die.
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* Nothing can be done by definition here - this function ONLY gets
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* called as an absolute last resort.
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*/
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void orte_errmgr_proxy_abort()
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{
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/* abnormal exit */
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orte_abort(-1, true);
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}
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/*
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* Alternatively, some systems (e.g., OpenMPI) need to tell us to kill
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* some other subset of processes along with us. Send that info to the
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* HNP so it can kill them.
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*
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* NOTE: this function assumes that the underlying ORTE infrastructure is
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* still operational. Use of this function should therefore be restricted
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* to cases where the problem is in a higher layer (e.g., MPI) as the
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* process is likely to "hang" if an ORTE problem has been encountered.
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*/
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int orte_errmgr_proxy_abort_procs_request(orte_process_name_t *procs, orte_std_cntr_t nprocs)
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{
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orte_buffer_t* cmd;
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orte_buffer_t* answer;
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orte_errmgr_cmd_flag_t command;
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orte_std_cntr_t count;
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int rc;
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OPAL_TRACE(1);
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/* protect us against error */
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if (NULL == procs) {
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return ORTE_ERR_BAD_PARAM;
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}
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command = ORTE_ERRMGR_ABORT_PROCS_REQUEST_CMD;
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cmd = OBJ_NEW(orte_buffer_t);
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if (cmd == NULL) {
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ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
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return ORTE_ERR_OUT_OF_RESOURCE;
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}
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/* pack the command */
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if (ORTE_SUCCESS != (rc = orte_dss.pack(cmd, &command, 1, ORTE_ERRMGR_CMD))) {
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ORTE_ERROR_LOG(rc);
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OBJ_RELEASE(cmd);
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return rc;
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}
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/* pack the number of procs we are requesting be aborted */
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if (ORTE_SUCCESS != (rc = orte_dss.pack(cmd, &nprocs, 1, ORTE_STD_CNTR))) {
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ORTE_ERROR_LOG(rc);
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OBJ_RELEASE(cmd);
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return rc;
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}
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/* pack the array of proc names */
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if (ORTE_SUCCESS != (rc = orte_dss.pack(cmd, procs, nprocs, ORTE_NAME))) {
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ORTE_ERROR_LOG(rc);
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OBJ_RELEASE(cmd);
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return rc;
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}
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/* send the request */
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if (0 > orte_rml.send_buffer(orte_errmgr_proxy_globals.replica, cmd, ORTE_RML_TAG_ERRMGR, 0)) {
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ORTE_ERROR_LOG(ORTE_ERR_COMM_FAILURE);
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OBJ_RELEASE(cmd);
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return ORTE_ERR_COMM_FAILURE;
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}
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OBJ_RELEASE(cmd);
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/* setup a buffer for the answer */
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answer = OBJ_NEW(orte_buffer_t);
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if(answer == NULL) {
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ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
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return ORTE_ERR_OUT_OF_RESOURCE;
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}
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/* enter a blocking receive until we hear back */
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if (0 > orte_rml.recv_buffer(orte_errmgr_proxy_globals.replica, answer, ORTE_RML_TAG_ERRMGR)) {
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ORTE_ERROR_LOG(ORTE_ERR_COMM_FAILURE);
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OBJ_RELEASE(answer);
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return ORTE_ERR_COMM_FAILURE;
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}
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count = 1;
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if (ORTE_SUCCESS != (rc = orte_dss.unpack(answer, &command, &count, ORTE_ERRMGR_CMD))) {
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ORTE_ERROR_LOG(rc);
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OBJ_RELEASE(answer);
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return rc;
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}
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/* check that this is the right command */
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if (ORTE_ERRMGR_ABORT_PROCS_REQUEST_CMD != command) {
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ORTE_ERROR_LOG(ORTE_ERR_COMM_FAILURE);
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OBJ_RELEASE(answer);
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return ORTE_ERR_COMM_FAILURE;
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}
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/* clean up and leave */
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OBJ_RELEASE(answer);
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return ORTE_SUCCESS;
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}
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/*
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* It is imperative that ONLY an HNP perform this registration!
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*/
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int orte_errmgr_proxy_register_job(orte_jobid_t job)
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{
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orte_buffer_t* cmd;
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orte_buffer_t* answer;
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orte_errmgr_cmd_flag_t command;
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orte_std_cntr_t count;
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int rc;
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OPAL_TRACE(1);
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command = ORTE_ERRMGR_REGISTER_JOB_CMD;
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cmd = OBJ_NEW(orte_buffer_t);
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if (cmd == NULL) {
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ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
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return ORTE_ERR_OUT_OF_RESOURCE;
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}
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/* pack the command */
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if (ORTE_SUCCESS != (rc = orte_dss.pack(cmd, &command, 1, ORTE_ERRMGR_CMD))) {
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ORTE_ERROR_LOG(rc);
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OBJ_RELEASE(cmd);
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return rc;
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}
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/* pack the jobid we are requesting be monitored */
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if (ORTE_SUCCESS != (rc = orte_dss.pack(cmd, &job, 1, ORTE_JOBID))) {
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ORTE_ERROR_LOG(rc);
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OBJ_RELEASE(cmd);
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return rc;
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}
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/* send the request */
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if (0 > orte_rml.send_buffer(orte_errmgr_proxy_globals.replica, cmd, ORTE_RML_TAG_ERRMGR, 0)) {
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ORTE_ERROR_LOG(ORTE_ERR_COMM_FAILURE);
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OBJ_RELEASE(cmd);
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return ORTE_ERR_COMM_FAILURE;
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}
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OBJ_RELEASE(cmd);
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/* setup a buffer for the answer */
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answer = OBJ_NEW(orte_buffer_t);
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if(answer == NULL) {
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ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
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return ORTE_ERR_OUT_OF_RESOURCE;
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}
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/* enter a blocking receive until we hear back */
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if (0 > orte_rml.recv_buffer(orte_errmgr_proxy_globals.replica, answer, ORTE_RML_TAG_ERRMGR)) {
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ORTE_ERROR_LOG(ORTE_ERR_COMM_FAILURE);
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OBJ_RELEASE(answer);
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return ORTE_ERR_COMM_FAILURE;
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}
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count = 1;
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if (ORTE_SUCCESS != (rc = orte_dss.unpack(answer, &command, &count, ORTE_ERRMGR_CMD))) {
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ORTE_ERROR_LOG(rc);
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OBJ_RELEASE(answer);
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return rc;
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}
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/* check that this is the right command */
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if (ORTE_ERRMGR_REGISTER_JOB_CMD != command) {
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ORTE_ERROR_LOG(ORTE_ERR_COMM_FAILURE);
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OBJ_RELEASE(answer);
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return ORTE_ERR_COMM_FAILURE;
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}
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/* clean up and leave */
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OBJ_RELEASE(answer);
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return ORTE_SUCCESS;
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}
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