On 9/15/20 11:44 AM, Vladimir Sementsov-Ogievskiy wrote:
We have a very frequent pattern of creating coroutine from function with several arguments:
+++ b/docs/devel/block-coroutine-wrapper.rst @@ -0,0 +1,54 @@ +======================= +block-coroutine-wrapper +======================= + +A lot of functions in QEMJ block layer (see ``block/*``) can by called
My editor italicized everhting after block/*...
+only in coroutine context. Such functions are normally marked by +coroutine_fn specifier. Still, sometimes we need to call them from +non-coroutine context, for this we need to start a coroutine, run the +needed function from it and wait for coroutine finish in +BDRV_POLL_WHILE() loop. To run a coroutine we need a function with one +void* argument. So for each coroutine_fn function, which needs
...through void*. I wonder if you need to use \* to let .rst know that these are literal *, and not markup for a different font style. Although I did not check the actual generated docs to see how they look.
-- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3226 Virtualization: qemu.org | libvirt.org
