Messages in this thread | | | Subject | Re: sigcontext on Linux-ppc in user space | From | Andreas Jaeger <> | Date | 24 Jan 2001 08:02:23 +0100 |
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John Kacur <jkacur@home.com> writes:
> Does anyone know how to get at the struct sigcontext in a signal handler > on Linux for powerpc? sigaction of course lets you create a signal > handler as a function with the prototype void(*)(int, siginfo_t *, void > *) > where the last argument, a pointer to void, is the sigcontext. I believe > that the last argument is NOT defined by POSIX and so is implementation > dependent. > > On Intel it seems sufficient to use #include <asm/sigcontext.h> > to get the definition of struct sigcontext, and then get the values > you'd like out of the signal handler. But on Linux for powerpc, the same > thing doesn't work. Does anyone know what the trick is here to > accomplish this?
You should never include kernel headers in user space.
If you have a glibc 2.1 (or newer) based system, just include <signal.h> which will include <bits/sigcontext.h> with the struct (this works on all architectures).
Andreas -- Andreas Jaeger SuSE Labs aj@suse.de private aj@arthur.inka.de http://www.suse.de/~aj - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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