Hi Esteban,

    you'll find that my Mac VMs as of r2519 do "the right thing", agreeing
with the linux VM.  See

http://www.squeakvm.org/svn/squeak/branches/Cog/platforms/Mac%20OS/vm/sqMacUnixCommandLineInterface.c

--- platforms/Mac OS/vm/sqMacUnixCommandLineInterface.c (revision 2515)
+++ platforms/Mac OS/vm/sqMacUnixCommandLineInterface.c (revision 2522)
@@ -63,14 +63,14 @@
 char *unixArgcInterfaceGetParm(int n) {
        int actual;

-       if (n < 0)
+       if (n < 0) {
                actual = -n;
-       else
+               return actual < vmArgCnt ? vmArgVec[actual] : nil;
+       }
+       else {
                actual = n - 2;
-
-       if (actual < squeakArgCnt)
-               return squeakArgVec[actual];
-       return nil;
+               return actual < squeakArgCnt ? squeakArgVec[actual] : nil;
+       }
 }

And e.g.

$ oscogvm/macbuild/Fast.app/Contents/MacOS/Croquet -headless
startreader.image foo bar baz
squeak> (0 to: -3 by: -1) collect: [:i| Smalltalk getSystemAttribute: i]!
#('oscogvm/macbuild/Fast.app/Contents/MacOS/Croquet' '-headless'
'startreader.image' nil)
squeak> (0 to: 5) collect: [:i| Smalltalk getSystemAttribute: i]!
#('oscogvm/macbuild/Fast.app/Contents/MacOS/Croquet'
'/Users/eliot/Cog/startreader.image' 'foo' 'bar' 'baz' nil)
squeak> Smalltalk quit!
$
On Mon, Jan 2, 2012 at 8:04 AM, Esteban Lorenzano <[email protected]>wrote:

> Hi,
>
> I was trying to fix this, but seems to be a problem (besides the
> "'-psn_0_528513'", which is an error).
> According SmalltalkImage>>#getSystemAttribute: comment,
> getSystemAttribute: 0 shouldn't answer the executable name, but the VM path:
>
>      0               the full path name for currently executing VM
>                       (or, on some platforms, just the path name of the
> VM's directory)
>
> ...so... getSystemAttribute: 0 is answering fine... and -1 should answer
> nil (or the vm parameters, if present), not the executable name. Real
> problem then is:
>
> we don't have a way  to get the executable name
>
> or
>
> getSystemAttribute: comment is wrong :)
>
> what's the audience opinion?
>
> cheers,
> Esteban
>
>
> El 31/12/2011, a las 9:11p.m., Sean P. DeNigris escribió:
>
> > The latest blessed cocoa build from Jenkins (12/11/11 #10) + 1.3-rc
> returns:
> >
> > SmalltalkImage current getSystemAttribute: -1."'-psn_0_528513'"
> > SmalltalkImage current getSystemAttribute: 0 "'/Applications'"
> >
> > There does not seem to be a way to get the vm executable name.
> >
> > Sean
> >
> > --
> > View this message in context:
> http://forum.world.st/VM-Smalltalk-getSystemAttribute-tp4122708p4249718.html
> > Sent from the Pharo Smalltalk mailing list archive at Nabble.com.
> >
>
>
>


-- 
best,
Eliot

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