[haiku-bugs] Re: [Haiku] #8007: [app_server] fully unresponsive when resizing window of big textfile
- From: "axeld" <trac@xxxxxxxxxxxx>
- Date: Tue, 08 Nov 2011 13:38:38 -0000
#8007: [app_server] fully unresponsive when resizing window of big textfile
----------------------------------+----------------------------
Reporter: ttcoder | Owner: axeld
Type: bug | Status: new
Priority: normal | Milestone: R1
Component: Servers/app_server | Version: R1/Development
Resolution: | Keywords:
Blocked By: | Blocking:
Has a Patch: 0 | Platform: All
----------------------------------+----------------------------
Comment (by axeld):
I am not really a fan of unconditional thread priority boost after
acquiring a lock - we actually had such a system in place, once, but it
didn't really work with our threading model. Maybe works better when we
restrict it to mutexes, though, but I somehow doubt it; why should a low
priority thread be able to preempt a high priority thread just because it
acquired a mutex?
Priority inversion means that low priority threads are able to starve high
priority threads by sharing the same lock - due to other system activity,
the low priority thread doesn't get through with its work, so the high
priority thread somehow inherits the low priority, thus it becomes a
victim of priority inversion.
--
Ticket URL: <http://dev.haiku-os.org/ticket/8007#comment:22>
Haiku <http://dev.haiku-os.org>
Haiku - the operating system.
Other related posts:
