tree ff3a903451212262f8822b23a6f957fa36a1cae7
parent eefdbf530c5fbe3f1295b61ac343c9e79470fb78
author Ed Tanous <ed@tanous.net> 1740340323 -0800
committer Ed Tanous <ed@tanous.net> 1741033112 +0000

break out boost coroutines async_send

async_send is a method that was attempted to be shared between coroutine
and non-coroutine cases.  Unfortunately to have this code sharing
requires a very expensive template, boost::asio::initiate.  While this
template is great for generalizing, it results in a template
instantiation per call site, which doesn't scale well at build time in
things like bmcweb, where we have 400+ async_method_call sites.

This commit breaks out async_send into async_send and async_send_yield,
which allows using concrete callback and return types, thus avoiding
the multiple template instantiations.

Tested: ClangBuildAnalyzer shows that this template is no longer one of
the longest to instantiate.

Change-Id: Ic8f226e5be71f05c5f5dcb73eb51e6094dc704eb
Signed-off-by: Ed Tanous <etanous@nvidia.com>