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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple style='word-wrap: break-word;-webkit-nbsp-mode: space;-webkit-line-break: after-white-space'><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Jay / Tony:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I am seeing in this thread that the approach to fixing the problem is not yet agreed upon.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I will be glad to help in any way I can, but right now, I am “in the dark”, both as to what change was introduced that caused the problem, and the various potential solution paths.  All I know is that it has been broken for a number of weeks now.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I know Jay has asked for help, and I am willing to help, but it may cost him or you some time/effort in getting me up to speed on what went wrong and the pros/cons of potential solutions.  If you choose to help enlighten me, I pledge to try and put that knowledge to good use both now and in the future.  Otherwise, I will have to wait for one of you to solve the problem.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>BTW, when I look at the linker error reports for the various packages, I’m seeing several different symbols that don’t resolve, not just the one dealing with memory allocation.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Regards,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Randy<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='margin-left:.5in'><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Tony Hosking [mailto:hosking@cs.purdue.edu] <br><b>Sent:</b> Thursday, February 10, 2011 3:33 PM<br><b>To:</b> jay.krell@cornell.edu<br><b>Cc:</b> Coleburn, Randy; m3devel<br><b>Subject:</b> Re: [M3devel] threading on Windows?<o:p></o:p></span></p></div></div><p class=MsoNormal style='margin-left:.5in'><o:p> </o:p></p><p class=MsoNormal style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:.5in'>Why is it better?  Because rebinding to a different function is just a matter of changing an INTERFACE in the libraries, rather than hacking the compiler.<o:p></o:p></p><div><div><p class=MsoNormal style='margin-left:.5in'>On Feb 10, 2011, at 6:01 AM, <a href="mailto:jay.krell@cornell.edu">jay.krell@cornell.edu</a> wrote:<o:p></o:p></p></div><p class=MsoNormal style='margin-left:.5in'><br><br><o:p></o:p></p><div><div><p class=MsoNormal style='margin-left:.5in'>1. I never understood why this any better.<br>2. It how things are currently.<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:.5in'>3. Why not m3cg.alloca? (but see #2)<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:.5in'><br> - Jay/iPad<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:.5in'><br>On Feb 9, 2011, at 9:48 PM, Tony Hosking <<a href="mailto:hosking@cs.purdue.edu">hosking@cs.purdue.edu</a>> wrote:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal style='margin-left:.5in'>What happened to fixing this with runtime hooks?<o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:.5in'><o:p> </o:p></p><div><div><p class=MsoNormal style='margin-left:.5in'>On Feb 9, 2011, at 11:40 PM, Jay K wrote:<o:p></o:p></p></div><p class=MsoNormal style='margin-left:.5in'><br><br><o:p></o:p></p><div><p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Of course not.<br>It is a made-up function that the frontend generates a call to.<br>That it never previously did.<br>Using the general function call interface.<br>You need to add a special case, in the general function call code, to do something different and specific<br>for this specific function.<br> <br> <br> - Jay <br> <o:p></o:p></span></p><div class=MsoNormal align=center style='margin-left:.5in;text-align:center'><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><hr size=2 width="100%" align=center id=stopSpelling></span></div><p class=MsoNormal style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:.5in'><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:<span class=apple-converted-space> </span><a href="mailto:rcolebur@SCIRES.COM">rcolebur@SCIRES.COM</a><br>To:<span class=apple-converted-space> </span><a href="mailto:jay.krell@cornell.edu">jay.krell@cornell.edu</a>;<span class=apple-converted-space> </span><a href="mailto:m3devel@elegosoft.com">m3devel@elegosoft.com</a><br>Date: Wed, 9 Feb 2011 22:28:45 -050<br>Subject: Re: [M3devel] threading on Windows?<o:p></o:p></span></p><div><div><p class=MsoNormal style='margin-left:.5in'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Jay:</span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p></o:p></span></p></div><p class=ecxmsonormal style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p></o:p></span></p><div><p class=MsoNormal style='margin-left:.5in'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I looked thru the 4,618 lines of M3x86.m3, but I don’t see any reference to “m3_alloca” or even “alloc” in this file.</span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p></o:p></span></p></div><p class=ecxmsonormal style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p></o:p></span></p><div><p class=MsoNormal style='margin-left:.5in'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Regards,</span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal style='margin-left:.5in'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Randy</span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p></o:p></span></p></div><p class=ecxmsonormal style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p></o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in;border-bottom-color:initial;border-left-color:initial;border-right-color:initial'><div style='margin-left:.5in'><p class=MsoNormal style='margin-left:.5in'><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span class=apple-converted-space><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> </span></span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><a href="mailto:jayk123@hotmail.com">jayk123@hotmail.com</a><span class=apple-converted-space> </span>[mailto:jayk123@hotmail.com]<span class=apple-converted-space> </span><b>On Behalf Of<span class=apple-converted-space> </span></b>Jay K<br><b>Sent:</b><span class=apple-converted-space> </span>Wednesday, February 09, 2011 9:01 PM<br><b>To:</b><span class=apple-converted-space> </span>Coleburn, Randy; m3devel<br><b>Subject:</b><span class=apple-converted-space> </span>RE: [M3devel] threading on Windows?<o:p></o:p></span></p></div></div></div><p class=ecxmsonormal style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:1.0in;margin-bottom:.0001pt'><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> <o:p></o:p></span></p><div style='margin-left:.5in'><p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>In m3back/src/M3x86.m3.<br> <br> - Jay<br><br> <o:p></o:p></span></p></div><div style='margin-left:.5in'><div class=MsoNormal align=center style='margin-left:.5in;text-align:center'><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><hr size=2 width="100%" align=center></span></div></div><p class=ecxmsonormal style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:1.0in'><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:<span class=apple-converted-space> </span><a href="mailto:rcolebur@SCIRES.COM">rcolebur@SCIRES.COM</a><br>To:<span class=apple-converted-space> </span><a href="mailto:m3devel@elegosoft.com">m3devel@elegosoft.com</a><br>Date: Wed, 9 Feb 2011 18:22:56 -0500<br>Subject: Re: [M3devel] threading on Windows?<o:p></o:p></span></p><div><div style='margin-left:.5in'><p class=MsoNormal style='margin-left:.5in'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I am certainly willing to work on the problem, but need more context info about what caused it in order to know how to resolve.</span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p></o:p></span></p></div><div style='margin-left:.5in'><p class=MsoNormal style='margin-left:.5in'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>All I know is that everything was working fine until I checked out the HEAD repository.</span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p></o:p></span></p></div><div style='margin-left:.5in'><p class=MsoNormal style='margin-left:.5in'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>When you say “special case” calls “m3_alloca”, where do I go about finding this “special case”?</span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p></o:p></span></p></div><div style='margin-left:.5in'><p class=MsoNormal style='margin-left:.5in'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Are we talking Modula-3 code, C code, Assembler, what?  What package/module?</span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p></o:p></span></p></div><div style='margin-left:.5in'><p class=MsoNormal style='margin-left:.5in'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Regards,</span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p></o:p></span></p></div><div style='margin-left:.5in'><p class=MsoNormal style='margin-left:.5in'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Randy</span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p></o:p></span></p></div><p class=ecxmsonormal style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:1.0in;margin-bottom:.0001pt'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p></o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in;border-bottom-color:initial;border-left-color:initial;border-right-color:initial'><div style='margin-left:1.0in'><p class=MsoNormal style='margin-left:.5in'><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span class=apple-converted-space><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> </span></span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><a href="mailto:jayk123@hotmail.com">jayk123@hotmail.com</a><span class=apple-converted-space> </span>[mailto:jayk123@hotmail.com]<span class=apple-converted-space> </span><b>On Behalf Of<span class=apple-converted-space> </span></b>Jay K<br><b>Sent:</b><span class=apple-converted-space> </span>Wednesday, February 09, 2011 5:59 PM<br><b>To:</b><span class=apple-converted-space> </span>Coleburn, Randy; Mika Nystrom; m3devel<br><b>Subject:</b><span class=apple-converted-space> </span>RE: [M3devel] threading on Windows?<o:p></o:p></span></p></div></div></div><p class=ecxmsonormal style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:1.5in;margin-bottom:.0001pt'><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> <o:p></o:p></span></p><div style='margin-left:1.0in'><p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Maybe someone else can do it?<br>The fix is: special case calls to the function "m3_alloca".<br>Change it to call "_chkstk" (or maybe "chkstk", whatever works).<br>The one parameter is an unsigned 32bit quantity, passed in eax, and the return value is a pointer, returned in esp.<br>To some extent I drag my feet hoping anyone else might become motivated enough to do it and start learning how.<br> <br> - Jay<br> <br>> From:<span class=apple-converted-space> </span><a href="mailto:rcolebur@SCIRES.COM">rcolebur@SCIRES.COM</a><br>> To:<span class=apple-converted-space> </span><a href="mailto:mika@async.caltech.edu">mika@async.caltech.edu</a>;<span class=apple-converted-space> </span><a href="mailto:m3devel@elegosoft.com">m3devel@elegosoft.com</a><br>> Date: Wed, 9 Feb 2011 17:25:20 -0500<br>> Subject: Re: [M3devel] threading on Windows?<br>><span class=apple-converted-space> </span><br>> Mika:<br>><span class=apple-converted-space> </span><br>> Sorry, but my Windows build is broken. Jay seems to indicate he is working on a "fix" and that this fix is relatively simple, but so far no solution has been checked in.<br>><span class=apple-converted-space> </span><br>> I've been wanting to run your program ever since you first checked it in, but that was about same time the HEAD branch update introduced a build problem. Problem is an unresolved symbol during link.<br>><span class=apple-converted-space> </span><br>> As soon as I can get the build problem resolved, I'll try out your test program.<br>><span class=apple-converted-space> </span><br>> Regards,<br>> Randy Coleburn<br>><span class=apple-converted-space> </span><br>> -----Original Message-----<br>> From: Mika Nystrom [mailto:mika@async.caltech.edu]<span class=apple-converted-space> </span><br>> Sent: Wednesday, February 09, 2011 5:01 PM<br>> To:<span class=apple-converted-space> </span><a href="mailto:m3devel@elegosoft.com">m3devel@elegosoft.com</a><br>> Subject: [M3devel] threading on Windows?<br>><span class=apple-converted-space> </span><br>> Hi m3devel,<br>><span class=apple-converted-space> </span><br>> I'm just curious if anyone out there who's running CM3 on Windows has had<br>> a chance to try my thread testing program yet. Current status on Unix<br>> (Linux, FreeBSD) appears to be that there are problems in pthreads (but<br>> I think only under heavy load) and that user threading works perfectly.<br>> So I now wonder how things are on the third threading platform (Windows).<br>> The thread testing program is at m3-libs/m3core/tests/thread .<br>><span class=apple-converted-space> </span><br>> (Note however that there is a memory leak in TRY-EXCEPT in the current<br>> head so don't try to update everything to the CVS head. The previous<br>> release should be OK.)<br>><span class=apple-converted-space> </span><br>> Also has anyone else noticed that debugging information has recently<br>> broken? m3gdb is very unhappy on all platforms for me...<br>><span class=apple-converted-space> </span><br>> Mika<o:p></o:p></span></p></div></div></div></div></div><p class=MsoNormal style='margin-left:.5in'><o:p> </o:p></p></div></div></blockquote></div></div><p class=MsoNormal style='margin-left:.5in'><o:p> </o:p></p></div></body></html>