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openmpi/ompi/mca/mtl/psm/mtl_psm_cancel.c
Howard Pritchard 4643110c5e mtl/psm: fix problem with cancel sends
incorporate patch from @afriedle-intel to fix
problem with psm mtl cancel of sends.

Sorry for the delay in getting to this.

Fixes 347
2015-01-27 20:02:05 -07:00

55 строки
1.7 KiB
C

/*
* Copyright (c) 2004-2006 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) 2004-2006 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2006 QLogic Corporation. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "mtl_psm.h"
#include "mtl_psm_request.h"
int ompi_mtl_psm_cancel(struct mca_mtl_base_module_t* mtl,
struct mca_mtl_request_t *mtl_request,
int flag) {
psm_error_t err;
psm_mq_status_t status;
mca_mtl_psm_request_t *mtl_psm_request =
(mca_mtl_psm_request_t*) mtl_request;
/* PSM does not support canceling sends */
if(OMPI_MTL_PSM_ISEND == mtl_psm_request->type) {
return OMPI_SUCCESS;
}
err = psm_mq_cancel(&mtl_psm_request->psm_request);
if(PSM_OK == err) {
err = psm_mq_test(&mtl_psm_request->psm_request, &status);
if(PSM_OK == err) {
mtl_request->ompi_req->req_status._cancelled = true;
mtl_psm_request->super.completion_callback(&mtl_psm_request->super);
return OMPI_SUCCESS;
} else {
return OMPI_ERROR;
}
} else if(PSM_MQ_INCOMPLETE == err) {
return OMPI_SUCCESS;
}
return OMPI_ERROR;
}