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[24.28.70.239]) by smtp.gmail.com with ESMTPSA id d184sm9449191oif.9.2015.08.08.18.55.21 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sat, 08 Aug 2015 18:55:21 -0700 (PDT) From: Bill Fischofer To: lng-odp@lists.linaro.org Date: Sat, 8 Aug 2015 20:55:03 -0500 Message-Id: <1439085315-6957-2-git-send-email-bill.fischofer@linaro.org> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1439085315-6957-1-git-send-email-bill.fischofer@linaro.org> References: <1439085315-6957-1-git-send-email-bill.fischofer@linaro.org> X-Topics: patch Subject: [lng-odp] [API-NEXT PATCHv11 01/13] api: schedule: additional scheduler group functions 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 209.85.217.176 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 APIs for scheduler groups: odp_schedule_group_lookup() odp_schedule_group_join() odp_schedule_group_leave() odp_schedule_group_count() Signed-off-by: Bill Fischofer --- include/odp/api/schedule.h | 63 +++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 59 insertions(+), 4 deletions(-) diff --git a/include/odp/api/schedule.h b/include/odp/api/schedule.h index 36e52cd..bd858b3 100644 --- a/include/odp/api/schedule.h +++ b/include/odp/api/schedule.h @@ -187,12 +187,12 @@ int odp_schedule_num_prio(void); /** * Schedule group create * - * Creates a schedule group with the thread mask. Only threads in the + * Create a schedule group with the specified thread mask. Only threads in the * mask will receive events from a queue that belongs to the schedule group. * Thread masks of various schedule groups may overlap. There are predefined * groups such as ODP_SCHED_GROUP_ALL and ODP_SCHED_GROUP_WORKER, which are - * always present and automatically updated. Group name is optional - * (may be NULL) and can have ODP_SCHED_GROUP_NAME_LEN characters in maximum. + * always present and automatically updated. Group name is optional (may be + * NULL) and can contain a maximum of ODP_SCHED_GROUP_NAME_LEN characters. * * @param name Schedule group name * @param mask Thread mask @@ -208,7 +208,7 @@ odp_schedule_group_t odp_schedule_group_create(const char *name, /** * Schedule group destroy * - * Destroys a schedule group. All queues belonging to the schedule group must + * Destroy a schedule group. All queues belonging to the schedule group must * be destroyed before destroying the group. Other operations on this group * must not be invoked in parallel. * @@ -220,6 +220,61 @@ odp_schedule_group_t odp_schedule_group_create(const char *name, int odp_schedule_group_destroy(odp_schedule_group_t group); /** + * Look up a schedule group by name + * + * Return the handle of a schedule group from its name + * + * @param name Name of schedule group + * + * @return Handle of schedule group for specified name + * @retval ODP_SCHEDULE_GROUP_INVALID No matching schedule group found + */ +odp_schedule_group_t odp_schedule_group_lookup(const char *name); + +/** + * Join a schedule group + * + * Join a threadmask to an existing schedule group + * + * @param group Schdule group handle + * @param mask Thread mask + * + * @retval 0 on success + * @retval <0 on failure + */ +int odp_schedule_group_join(odp_schedule_group_t group, + const odp_thrmask_t *mask); + +/** + * Leave a schedule group + * + * Remove a threadmask from an existing schedule group + * + * @param group Schedule group handle + * @param mask Thread mask + * + * @retval 0 on success + * @retval <0 on failure + * + * @note Leaving a schedule group means threads in the specified mask will no + * longer receive events from queues belonging to the specified schedule + * group. This effect is not instantaneous, however, and events that have been + * prestaged may still be presented to the masked threads. + */ +int odp_schedule_group_leave(odp_schedule_group_t group, + const odp_thrmask_t *mask); + +/** + * Count members in a schedule group + * + * @param group Schedule group handle + * + * @return Count of threads currently members of this schedule group. + * @retval <0 Invalid group specified + */ +int odp_schedule_group_count(odp_schedule_group_t group); + +/** * Initialize ordered context lock * * Initialize an ordered queue context lock. The lock can be associated only