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/*
* Copyright (c) 2004-2005 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) 2004-2005 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"
#include "ompi/constants.h"
#include "ompi/request/request.h"
int ompi_request_test_any(
size_t count,
ompi_request_t ** requests,
int *index,
int *completed,
ompi_status_public_t * status)
{
size_t i;
size_t num_requests_null_inactive = 0;
ompi_request_t **rptr;
ompi_request_t *request;
opal_atomic_mb();
rptr = requests;
for (i = 0; i < count; i++, rptr++) {
request = *rptr;
if( request->req_state == OMPI_REQUEST_INACTIVE ) {
num_requests_null_inactive++;
continue;
}
if( request->req_complete ) {
*index = i;
*completed = true;
if (MPI_STATUS_IGNORE != status) {
*status = request->req_status;
}
if( request->req_persistent ) {
request->req_state = OMPI_REQUEST_INACTIVE;
return OMPI_SUCCESS;
}
return ompi_request_free(rptr);
}
}
/* Only fall through here if we found nothing */
*index = MPI_UNDEFINED;
if(num_requests_null_inactive != count) {
*completed = false;
#if OMPI_ENABLE_PROGRESS_THREADS == 0
opal_progress();
#endif
} else {
*completed = true;
if (MPI_STATUS_IGNORE != status) {
*status = ompi_status_empty;
}
}
return OMPI_SUCCESS;
}
int ompi_request_test_all(
size_t count,
ompi_request_t ** requests,
int *completed,
ompi_status_public_t * statuses)
{
size_t i;
ompi_request_t **rptr;
size_t num_completed = 0;
ompi_request_t *request;
opal_atomic_mb();
rptr = requests;
for (i = 0; i < count; i++, rptr++) {
request = *rptr;
if( request->req_state == OMPI_REQUEST_INACTIVE ||
request->req_complete) {
num_completed++;
}
}
if (num_completed != count) {
*completed = false;
#if OMPI_ENABLE_PROGRESS_THREADS == 0
opal_progress();
#endif
return OMPI_SUCCESS;
}
rptr = requests;
*completed = true;
if (MPI_STATUSES_IGNORE != statuses) {
/* fill out completion status and free request if required */
for( i = 0; i < count; i++, rptr++ ) {
int rc;
request = *rptr;
if( request->req_state == OMPI_REQUEST_INACTIVE ) {
statuses[i] = ompi_status_empty;
continue;
}
statuses[i] = request->req_status;
if( request->req_persistent ) {
request->req_state = OMPI_REQUEST_INACTIVE;
continue;
}
rc = ompi_request_free(rptr);
if(rc != OMPI_SUCCESS)
return rc;
}
} else {
/* free request if required */
for( i = 0; i < count; i++, rptr++ ) {
int rc;
request = *rptr;
if( request->req_state == OMPI_REQUEST_INACTIVE) {
continue;
}
if( request->req_persistent ) {
request->req_state = OMPI_REQUEST_INACTIVE;
continue;
}
rc = ompi_request_free(rptr);
if(rc != OMPI_SUCCESS)
return rc;
}
}
return OMPI_SUCCESS;
}
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