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Summary

  1. Add multiple messages buffers to struct iofd_msghdr (details)
Commit ec86910eb5eb3c8d722e520b6a95a7dc14efbcc8 by Andreas Eversberg
Add multiple messages buffers to struct iofd_msghdr

This is a prerequisite for transfering multiple buffers with a single
SQE or CQE when using osmo_io with io_uring.

The message buffers at struct iofd_msghr, as well as the io vectors are
arrays. A maximum number is stored, as well as the current number.

As this patch does not implement multiple buffers yet, only index 0 of a
message buffer is used. (msg[0])

Having more than one buffer is optional and the number can be controlled
via environment variable.

Related: OS#6705
Change-Id: I4fb1067de4615cc22cc6caf99b481491e7f2ef92
The file was modifiedsrc/core/osmo_io_uring.c
The file was modifiedsrc/core/osmo_io_internal.h
The file was modifiedsrc/core/libosmocore.map
The file was modifiedsrc/core/osmo_io.c
The file was modifiedinclude/osmocom/core/osmo_io.h
The file was modifiedsrc/core/osmo_io_poll.c