* Support for recvmmsg / sendmmsg
@ 2020-09-24 19:20 Norman Maurer
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From: Norman Maurer @ 2020-09-24 19:20 UTC (permalink / raw)
To: io-uring
Hi there,
I am currently working on support for Datagrams in Netty using io_uring. One of the things that I noticed is that there is no recvmmsg / sendmmsg atm. You can argue that this may not be needed as I can jus submit multiple IORING_OP_* operations and so emulate it. While this is mostly true it would be still nice to have support for these calls because of:
* Issuing multiple IORING_OP_SENDMSG / RECVMSG is not the same as just issue one of them as I need to call io_uring_enter(…) earlier to ensure I not “overflow” the submission queue.
* Having multiple IORING_OP_SENDMSG / RECVMSG makes it more complicated in terms of keeping state in some cases
So would it be possible to add these ? For now I have implemented my own “batching” but its a way more complicated as I would love to :/
Thanks
Norman
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