diff options
author | Florian Dold <florian.dold@gmail.com> | 2016-10-16 19:13:45 +0000 |
---|---|---|
committer | Florian Dold <florian.dold@gmail.com> | 2016-10-16 19:13:45 +0000 |
commit | bc57c1cebf65b9d10c97961cc0cd8a7bf166d76e (patch) | |
tree | f0d057680247821ccaf769246ba361b94aa1225a /src/include/gnunet_mq_lib.h | |
parent | 9df183774b9b2b4cef897cb4f66240bb8c2198ec (diff) | |
download | gnunet-bc57c1cebf65b9d10c97961cc0cd8a7bf166d76e.tar.gz gnunet-bc57c1cebf65b9d10c97961cc0cd8a7bf166d76e.zip |
Add evict functionalty to mq cancellation.
Useful to avoid copying of buffers when canceling a
partially sent message.
Diffstat (limited to 'src/include/gnunet_mq_lib.h')
-rw-r--r-- | src/include/gnunet_mq_lib.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/include/gnunet_mq_lib.h b/src/include/gnunet_mq_lib.h index 08434698e..b339fe0eb 100644 --- a/src/include/gnunet_mq_lib.h +++ b/src/include/gnunet_mq_lib.h | |||
@@ -726,6 +726,24 @@ GNUNET_MQ_impl_current (struct GNUNET_MQ_Handle *mq); | |||
726 | 726 | ||
727 | 727 | ||
728 | /** | 728 | /** |
729 | * Get the message that is currently being sent when cancellation of that | ||
730 | * message is requested. Returns an opaque pointer which contains the memory | ||
731 | * for the message, as well as some control data used by mq. | ||
732 | * | ||
733 | * This function may be called at most once in the cancel_impl | ||
734 | * function of a message queue. | ||
735 | * | ||
736 | * Use this function to avoid copying a half-sent message. | ||
737 | * | ||
738 | * @param mq message queue | ||
739 | * @parem msg pointer to store the message being canceled | ||
740 | * @return memory block that contains the message, must be freed by the caller | ||
741 | */ | ||
742 | void * | ||
743 | GNUNET_MQ_impl_cancel_evict (struct GNUNET_MQ_Handle *mq, struct GNUNET_MessageHeader **msg); | ||
744 | |||
745 | |||
746 | /** | ||
729 | * Get the implementation state associated with the | 747 | * Get the implementation state associated with the |
730 | * message queue. | 748 | * message queue. |
731 | * | 749 | * |