[API-NEXT,v5,1/2] api: schedule: add schedule order unlock lock api

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State New
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  • [API-NEXT,v5,1/2] api: schedule: add schedule order unlock lock api
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Commit Message

Github ODP bot Sept. 11, 2017, 7 a.m.
From: Balasubramanian Manoharan <bala.manoharan@linaro.org>


Adds odp_schedule_order_unlock_lock() api. This API combines schedule order
unlock and lock into a single api for performance optimization in HW.

Signed-off-by: Balasubramanian Manoharan <bala.manoharan@linaro.org>

---
/** Email created from pull request 160 (bala-manoharan:api_sched_order_lock)
 ** https://github.com/Linaro/odp/pull/160
 ** Patch: https://github.com/Linaro/odp/pull/160.patch
 ** Base sha: 7fa8e2c97ed18f8dd6e95cbc78b7e668ccb98869
 ** Merge commit sha: eeca3e8f8849d22500b6f87e1304c48f2d417d29
 **/
 include/odp/api/spec/schedule.h | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

Patch

diff --git a/include/odp/api/spec/schedule.h b/include/odp/api/spec/schedule.h
index 8244746d7..6597e6c66 100644
--- a/include/odp/api/spec/schedule.h
+++ b/include/odp/api/spec/schedule.h
@@ -368,6 +368,27 @@  void odp_schedule_order_lock(unsigned lock_index);
 void odp_schedule_order_unlock(unsigned lock_index);
 
 /**
+ * Release existing ordered context lock and acquire a new lock
+ *
+ * This call is valid only when holding an ordered synchronization context.
+ * Release a previously locked ordered context lock and acquire a new ordered
+ * context lock. This call is valid only when there is a single ordered context
+ * lock active. Results are undefined if this call is made when multiple ordered
+ * context locks are acquired in nested fashion.
+ * This call does not release the existing ordered context and only switches
+ * from one ordered lock to another ordered lock within the same ordered
+ * context.
+ *
+ * @param lock_index	Index of the ordered lock in the current context to be
+ *			acquired. Previously acquired ordered lock is released.
+ *			Must be in the range 0...odp_queue_lock_count() - 1.
+ *
+ * @see odp_schedule_order_lock(), odp_schedule_order_unlock()
+ *
+ */
+void odp_schedule_order_unlock_lock(uint32_t lock_index);
+
+/**
  * @}
  */