tree 4a414f21a4987dd9426b3e9f329912466af0bf25
parent d6f0557deb671f8a4e5228ac7e107916a555c436
author Christopher Faulet <cfaulet@haproxy.com> 1683625496 +0200
committer Christopher Faulet <cfaulet@haproxy.com> 1683626008 +0200

MEDIUM: stconn: Be sure to always be able to unblock a SC that needs room

When sc_need_room() is called, the caller cannot request more free space
than a minimum value to be sure it is always possible to unblock it. it is a
safety guard to not freeze any SC on NEED_ROOM condition. At worse it will
lead to some wakeups un excess at the edge.

To keep things simple, the following minimum is used:

  (global.tune.bufsize - global.tune.maxrewrite - sizeof(struct htx))