Re: [Sbcl-devel] DEF-ALIEN-ROUTINE problem

[William H. N. <wil...@ai...>]

On Wed, Jan 23, 2002 at 12:05:53AM +0100, Stig E Sandoe wrote:
> hi,
> 
> here goes yet more spamming about problems.  I have code in a package that 
> :uses SB-ALIEN:
> 
> (sb-alien:define-alien-routine ("z_quit" c_quit!)
>            void
>            (msg (* char) :in))
> 
> This code seems to stumble on VOID, but works fine for INT and other 
> reasonable values.  The error message is:
> 
> debugger invoked on condition of type SIMPLE-ERROR: cannot use values 
> types here
> 
> Quoting Dan Barlow:
> <dan_b> * (sb-alien:def-alien-routine ("z_quit" c_quit!) void (msg (* char) :in))
> <dan_b> C_QUIT!
> <dan_b> works fine in 0.6.13
> <dan_b> sounds liek a 0.7 bug
> 
> I don't know if it's related to the earlier problems I had with 
> LOAD-FOREIGN (but I used a work-around Christophe gave me).  But 
> I don't think so, as it accepts other basic types as return-values. 

It's a known bug, #133. Probably I should move it upward on my to-do
list, since I'm happy to have people working on FFI code for SBCL, and
since it's obviously an annoying problem, and since I broke it, after
all.

-- 
William Harold Newman <wil...@ai...>
"Look on my works, ye Mighty, and despair!" -- Ozymandias, King of Kings 
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