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[24.28.70.239]) by smtp.gmail.com with ESMTPSA id i3sm5012321oig.24.2015.08.09.06.14.04 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 09 Aug 2015 06:14:04 -0700 (PDT) From: Bill Fischofer To: lng-odp@lists.linaro.org Date: Sun, 9 Aug 2015 08:13:46 -0500 Message-Id: <1439126035-13656-5-git-send-email-bill.fischofer@linaro.org> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1439126035-13656-1-git-send-email-bill.fischofer@linaro.org> References: <1439126035-13656-1-git-send-email-bill.fischofer@linaro.org> X-Topics: patch Subject: [lng-odp] [API-NEXT PATCHv12 04/13] api: schedule: add APIs for order copying and sustaining X-BeenThere: lng-odp@lists.linaro.org X-Mailman-Version: 2.1.16 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: , List-Help: , List-Subscribe: , MIME-Version: 1.0 Errors-To: lng-odp-bounces@lists.linaro.org Sender: "lng-odp" X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: bill.fischofer@linaro.org X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 209.85.215.48 as permitted sender) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 Additional scheduler APIs: odp_schedule_order_copy() odp_schedule_order_sustain() odp_schedule_order_sustain_set() Signed-off-by: Bill Fischofer --- include/odp/api/schedule.h | 51 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) diff --git a/include/odp/api/schedule.h b/include/odp/api/schedule.h index f27bf78..61d3b16 100644 --- a/include/odp/api/schedule.h +++ b/include/odp/api/schedule.h @@ -174,6 +174,57 @@ void odp_schedule_release_atomic(void); int odp_schedule_release_ordered(odp_event_t ev); /** + * Copy order from one event to another + * + * This call copies the order associated with an event originating from an + * ordered queue to another event. The target event must not have an + * associated ordering at input to the call. If the target is ordered, the + * prior ordering must first be released by an odp_schedule_release_ordered() + * call. Successfuly copying an order implicitly sets the order sustain + * attribute for the src_event as if odp_schedule_order_sustain() were called + * for it. + * + * @param src_event Event whose ordering is to be copied + * @param dst_event Event to receive the same ordering as src_event. + * + * @retval 0 Success + * @retval <0 Failure. Order not copied. + */ +int odp_schedule_order_copy(odp_event_t src_event, odp_event_t dst_event); + +/* + * Get order sustain attribute + * + * Retrieve the order sustain attribute associated with an event. An event + * normally consumes its order when enqueued. An event that sustains order + * does not consume its order when enqueued, permitting multiple events to + * be sequenced in the same relative order. + * + * @param ev Event + * + * @retval 0 Event will not sustain order when queued + * @retval 1 Event will sustain order when queued + * @retval <0 Event has no associated ordering + */ +int odp_schedule_order_sustain(odp_event_t ev); + +/* + * Set order sustain attribute + * + * Set the order sustain attribute associated with an event. An event + * normally consumes its order when enqueued. An event that sustains order + * does not consume its order when enqueued, permitting multiple events to + * be sequenced in the same relative order. + * + * @param ev Event + * @param sustain Value to be set (0 or 1) + * + * @retval 0 Success + * @retval <0 Failure. Event not ordered or invalid sustain value specified. + */ +int odp_schedule_order_sustain_set(odp_event_t ev, odp_bool_t sustain); + +/** * Prefetch events for next schedule call * * Hint the scheduler that application is about to finish processing the current