C++ (Cpp) mxm_req_cancel_send Examples

Example #1

File: mlxm_ep.c Project: ddurnov/libfabric

static ssize_t mlxm_ep_cancel(fid_t fid, void *ctx)
{
    struct mlxm_fid_ep *fid_ep;
    struct mlxm_req    *req;
    struct fi_context  *context = (struct fi_context*)ctx;
    int err;

    fid_ep = container_of(fid, struct mlxm_fid_ep, ep.fid);
    if (!fid_ep->domain)
        return -EBADF;
    if (!context)
        return -EINVAL;
    if (context->internal[1] == NULL)
        return -FI_EINVAL;

    req =(struct mlxm_req *)context->internal[1];
    if (FI_RECV == (uint64_t)(context->internal[3])) {
        err = mxm_req_cancel_recv(&req->mxm_req.rreq);
    } else {
        err = mxm_req_cancel_send(&req->mxm_req.sreq);
    }
    if (err == MXM_OK) {
        mxm_req_wait(&req->mxm_req.rreq.base);
    }
    return mlxm_errno(err);
}

Example #2

File: mtl_mxm_cancel.c Project: 00datman/ompi

int ompi_mtl_mxm_cancel(struct mca_mtl_base_module_t* mtl,
                        struct mca_mtl_request_t *mtl_request, int flag)
{
    mca_mtl_mxm_request_t *mtl_mxm_request = (mca_mtl_mxm_request_t*) mtl_request;
    mxm_error_t err;

#if MXM_API >= MXM_VERSION(2,0)
    if (mtl_mxm_request->is_send) {
        err = mxm_req_cancel_send(&mtl_mxm_request->mxm.send);
    } else {
        err = mxm_req_cancel_recv(&mtl_mxm_request->mxm.recv);
    }
#else
    err = mxm_req_cancel(&mtl_mxm_request->mxm.base);
#endif
    if ((err != MXM_OK) && (err != MXM_ERR_NO_PROGRESS)) {
        return OMPI_ERROR;
    }

    return OMPI_SUCCESS;
}

Example #3

File: pml_yalla_request.c Project: 00datman/ompi

static int mca_pml_yalla_send_request_cancel(ompi_request_t *request, int flag)
{
    mca_pml_yalla_send_request_t *sreq = (mca_pml_yalla_send_request_t*)request;
    mxm_error_t error;

    if (REQUEST_COMPLETE(request)) {
        /*
         * This might be a buffered send request which has completed anyway, so
         * we cannot cancel it anymore. Just hope for the best.
         */
        PML_YALLA_VERBOSE(7, "not canceling a completed send request %p", (void *)request);
        return OMPI_SUCCESS;
    }

    error = mxm_req_cancel_send(&sreq->mxm);
    if ((error != MXM_OK) && (error != MXM_ERR_NO_PROGRESS)) {
        PML_YALLA_ERROR("failed to cancel send request %p: %s", (void *)request,
                        mxm_error_string(error));
        return OMPI_ERROR;
    }

    PML_YALLA_VERBOSE(9, "canceled send request %p", (void *)request);
    return OMPI_SUCCESS;
}