Mercurial > hg > nginx
comparison src/core/ngx_slab.h @ 7631:b4dbf8b98f9a
Fixed premature background subrequest finalization.
When "aio" or "aio threads" is used while processing the response body of an
in-memory background subrequest, the subrequest could be finalized with an aio
operation still in progress. Upon aio completion either parent request is
woken or the old r->write_event_handler is called again. The latter may result
in request errors. In either case post_subrequest handler is never called with
the full response body, which is typically expected when using in-memory
subrequests.
Currently in nginx background subrequests are created by the upstream module
and the mirror module. The issue does not manifest itself with these
subrequests because they are header-only. But it can manifest itself with
third-party modules which create in-memory background subrequests.
author | Dmitry Volyntsev <xeioex@nginx.com> |
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date | Mon, 02 Mar 2020 20:07:36 +0300 |
parents | 69f9ee0342db |
children |
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7630:f001d9384293 | 7631:b4dbf8b98f9a |
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