Messages in this thread | | | From | Arnd Bergmann <> | Subject | Re: [PATCH] RFC: futex: make futex_lock_pi interruptible | Date | Thu, 29 Oct 2009 09:39:32 +0100 |
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On Tuesday 27 October 2009, Darren Hart wrote: > The following C test case demonstrates how this patch could be used to > implement interruptible locking. There is an awful lot of debug code and > some other relics of a hacked together test in there now, but if anyone > wanted to test the futex changes, this will do the trick. >
Your test program uses a signal handler to interrupt the mutex. If you are using a signal handler already to implement a user space mutex_cancel, why can't you just do a longjmp out of the signal handler rather than modifying the kernel?
Arnd <><
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