*BSD support in 6.8.3
marlowsd at gmail.com
Thu Jun 5 04:49:22 EDT 2008
Donn Cave wrote:
> On Mon, 02 Jun 2008 09:36:41 +0100
> Simon Marlow <marlowsd at gmail.com> wrote:
>> Donn Cave wrote:
>>> 20080531 and NetBSD-amd64 4.0, not so good:
>>> GHCi, version 126.96.36.19980531: http://www.haskell.org/ghc/ :? for help
>>> Loading package base ... linking ... done.
>>> Bad system call (core dumped)
>>> SIGSYS appears to happen in select(), is all I could get out of gdb. Prior
>>> to the patch, it was the usual error.
>> I guess the error in the linker was masking the SIGSYS in select(), because
>> it occurred first. So now we need to figure out what is causing this SIGSYS.
> Well, good news and bad news. The patch works - this was indeed
> a different problem, and with that out of the way ghci comes up
> and works well enough to pass some randomly selected tests from a
> testsuite - ghci, rts. This is 20080531 plus patch 2013.
> The SIGSYS problem is an awkward issue between GHC and NetBSD,
> which I see has already been reported, #2305. C code compiled
> from /usr/include/signal.h links to __sigprocmask14, but
> libraries/base/System/Posix/Internals.hs links to sigprocmask
> because it misses out on the __RENAME magic in signal.h. That's
> a compatibility function that doesn't work out so well for ghci.
> I will take this up with the NetBSD ghc package maintainer. At
> worst, we can just hard-code the (incompatibility?) function names.
See my update to #2305 - it looks like we need a C wrapper for
sigprocmask() in the base package. Would you like to make a ticket for
this, or better still a patch (it's not too hard, there are plenty of other
examples of this in base already)?
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