1c4a3598d0
refresh to openpmix/openpmix@ea3b29b1a4 Signed-off-by: Gilles Gouaillardet <gilles@rist.or.jp>
215 строки
8.2 KiB
C
215 строки
8.2 KiB
C
/*
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* Copyright (c) 2004-2010 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) 2004-2011 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 (c) 2006-2013 Los Alamos National Security, LLC.
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* All rights reserved.
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* Copyright (c) 2009-2012 Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2011 Oak Ridge National Labs. All rights reserved.
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* Copyright (c) 2013-2018 Intel, Inc. All rights reserved.
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* Copyright (c) 2015 Mellanox Technologies, Inc. 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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*/
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <time.h>
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#include <pthread.h>
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#include <pmix.h>
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typedef struct {
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pthread_mutex_t mutex;
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pthread_cond_t cond;
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volatile bool active;
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pmix_status_t status;
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} mylock_t;
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#define DEBUG_CONSTRUCT_LOCK(l) \
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do { \
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pthread_mutex_init(&(l)->mutex, NULL); \
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pthread_cond_init(&(l)->cond, NULL); \
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(l)->active = true; \
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(l)->status = PMIX_SUCCESS; \
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} while(0)
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#define DEBUG_DESTRUCT_LOCK(l) \
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do { \
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pthread_mutex_destroy(&(l)->mutex); \
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pthread_cond_destroy(&(l)->cond); \
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} while(0)
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#define DEBUG_WAIT_THREAD(lck) \
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do { \
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pthread_mutex_lock(&(lck)->mutex); \
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while ((lck)->active) { \
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pthread_cond_wait(&(lck)->cond, &(lck)->mutex); \
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} \
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pthread_mutex_unlock(&(lck)->mutex); \
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} while(0)
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#define DEBUG_WAKEUP_THREAD(lck) \
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do { \
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pthread_mutex_lock(&(lck)->mutex); \
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(lck)->active = false; \
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pthread_cond_broadcast(&(lck)->cond); \
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pthread_mutex_unlock(&(lck)->mutex); \
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} while(0)
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static pmix_proc_t myproc;
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static void notification_fn(size_t evhdlr_registration_id,
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pmix_status_t status,
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const pmix_proc_t *source,
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pmix_info_t info[], size_t ninfo,
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pmix_info_t results[], size_t nresults,
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pmix_event_notification_cbfunc_fn_t cbfunc,
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void *cbdata)
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{
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fprintf(stderr, "Client %s:%d NOTIFIED with status %d\n", myproc.nspace, myproc.rank, status);
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}
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static void op_callbk(pmix_status_t status,
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void *cbdata)
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{
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mylock_t *lock = (mylock_t*)cbdata;
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fprintf(stderr, "Client %s:%d OP CALLBACK CALLED WITH STATUS %d\n", myproc.nspace, myproc.rank, status);
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lock->status = status;
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DEBUG_WAKEUP_THREAD(lock);
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}
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static void errhandler_reg_callbk(pmix_status_t status,
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size_t errhandler_ref,
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void *cbdata)
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{
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mylock_t *lock = (mylock_t*)cbdata;
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fprintf(stderr, "Client %s:%d ERRHANDLER REGISTRATION CALLBACK CALLED WITH STATUS %d, ref=%lu\n",
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myproc.nspace, myproc.rank, status, (unsigned long)errhandler_ref);
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lock->status = status;
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DEBUG_WAKEUP_THREAD(lock);
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}
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int main(int argc, char **argv)
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{
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int rc;
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pmix_value_t value;
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pmix_value_t *val = &value;
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pmix_proc_t proc, *procs;
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uint32_t nprocs;
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mylock_t lock;
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pmix_info_t *results, info;
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size_t nresults, cid;
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/* init us */
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if (PMIX_SUCCESS != (rc = PMIx_Init(&myproc, NULL, 0))) {
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fprintf(stderr, "Client ns %s rank %d: PMIx_Init failed: %s\n", myproc.nspace, myproc.rank, PMIx_Error_string(rc));
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exit(0);
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}
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fprintf(stderr, "Client ns %s rank %d: Running\n", myproc.nspace, myproc.rank);
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PMIX_PROC_CONSTRUCT(&proc);
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(void)strncpy(proc.nspace, myproc.nspace, PMIX_MAX_NSLEN);
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proc.rank = PMIX_RANK_WILDCARD;
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/* get our universe size */
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if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, PMIX_UNIV_SIZE, NULL, 0, &val))) {
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fprintf(stderr, "Client ns %s rank %d: PMIx_Get universe size failed: %s\n", myproc.nspace, myproc.rank, PMIx_Error_string(rc));
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goto done;
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}
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nprocs = val->data.uint32;
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PMIX_VALUE_RELEASE(val);
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if (nprocs < 4) {
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if (0 == myproc.rank) {
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fprintf(stderr, "This example requires a minimum of 4 processes\n");
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}
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goto done;
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}
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fprintf(stderr, "Client %s:%d universe size %d\n", myproc.nspace, myproc.rank, nprocs);
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/* register our default errhandler */
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DEBUG_CONSTRUCT_LOCK(&lock);
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PMIx_Register_event_handler(NULL, 0, NULL, 0,
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notification_fn, errhandler_reg_callbk, (void*)&lock);
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DEBUG_WAIT_THREAD(&lock);
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rc = lock.status;
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DEBUG_DESTRUCT_LOCK(&lock);
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if (PMIX_SUCCESS != rc) {
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goto done;
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}
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/* call fence to sync */
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PMIX_PROC_CONSTRUCT(&proc);
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(void)strncpy(proc.nspace, myproc.nspace, PMIX_MAX_NSLEN);
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proc.rank = PMIX_RANK_WILDCARD;
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if (PMIX_SUCCESS != (rc = PMIx_Fence(&proc, 1, NULL, 0))) {
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fprintf(stderr, "Client ns %s rank %d: PMIx_Fence failed: %d\n", myproc.nspace, myproc.rank, rc);
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goto done;
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}
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/* rank=0,2,3 construct a new group */
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if (0 == myproc.rank || 2 == myproc.rank || 3 == myproc.rank) {
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fprintf(stderr, "%d executing Group_construct\n", myproc.rank);
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nprocs = 3;
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PMIX_PROC_CREATE(procs, nprocs);
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PMIX_PROC_LOAD(&procs[0], myproc.nspace, 0);
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PMIX_PROC_LOAD(&procs[1], myproc.nspace, 2);
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PMIX_PROC_LOAD(&procs[2], myproc.nspace, 3);
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PMIX_INFO_LOAD(&info, PMIX_GROUP_ASSIGN_CONTEXT_ID, NULL, PMIX_BOOL);
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rc = PMIx_Group_construct("ourgroup", procs, nprocs, &info, 1, &results, &nresults);
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if (PMIX_SUCCESS != rc) {
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fprintf(stderr, "Client ns %s rank %d: PMIx_Group_construct failed: %s\n", myproc.nspace, myproc.rank, PMIx_Error_string(rc));
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goto done;
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}
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/* we should have a single results object */
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if (NULL != results) {
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cid = 0;
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PMIX_VALUE_GET_NUMBER(rc, &results[0].value, cid, size_t);
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fprintf(stderr, "%d Group construct complete with status %s KEY %s CID %d\n",
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myproc.rank, PMIx_Error_string(rc), results[0].key, (int)cid);
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} else {
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fprintf(stderr, "%d Group construct complete, but no CID returned\n", myproc.rank);
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}
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PMIX_PROC_FREE(procs, nprocs);
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fprintf(stderr, "%d executing Group_destruct\n", myproc.rank);
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rc = PMIx_Group_destruct("ourgroup", NULL, 0);
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if (PMIX_SUCCESS != rc) {
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fprintf(stderr, "Client ns %s rank %d: PMIx_Group_destruct failed: %s\n", myproc.nspace, myproc.rank, PMIx_Error_string(rc));
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goto done;
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}
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}
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done:
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/* finalize us */
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DEBUG_CONSTRUCT_LOCK(&lock);
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PMIx_Deregister_event_handler(1, op_callbk, &lock);
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DEBUG_WAIT_THREAD(&lock);
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DEBUG_DESTRUCT_LOCK(&lock);
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fprintf(stderr, "Client ns %s rank %d: Finalizing\n", myproc.nspace, myproc.rank);
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if (PMIX_SUCCESS != (rc = PMIx_Finalize(NULL, 0))) {
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fprintf(stderr, "Client ns %s rank %d:PMIx_Finalize failed: %s\n", myproc.nspace, myproc.rank, PMIx_Error_string(rc));
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} else {
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fprintf(stderr, "Client ns %s rank %d:PMIx_Finalize successfully completed\n", myproc.nspace, myproc.rank);
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}
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fprintf(stderr, "%s:%d COMPLETE\n", myproc.nspace, myproc.rank);
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fflush(stderr);
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return(0);
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}
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