Re: ___spin_lock
Re: ___spin_lock
- Subject: Re: ___spin_lock
- From: "Shawn Erickson" <email@hidden>
- Date: Tue, 12 Dec 2006 16:36:42 -0800
On 12/12/06, Perry Winkel <email@hidden> wrote:
hi,
i have a multi threaded application (posix)
and if a pause it because it doesn't seem 'to move on'
although i see cpu activity, one of the threads only shows the info
___spin_lock
at the bottom of my debug window i see a message saying something
about a gdb error: xcode could not locate source file cpu_capabilities.h
(line 216)
i would like to know what my thread is doing, it obviously is hanging but
why
and what does this spin lock mean
can anyone please help?
Do you have a more complete thread backstrace? If not get a debug
build of your application into that state and use something like sampe
(man sample) to understand the call stack for the thread that is using
the spin lock.
-Shawn
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| References: | |
| | >___spin_lock (From: Perry Winkel <email@hidden>) |