[M3devel] malloc/free from Modula-3?

Daniel Alejandro Benavides D. dabenavidesd at yahoo.es
Mon Apr 18 20:57:01 CEST 2011

Hi all:
ok, but are you telling this about in user threads or working ill or all threads and pthreads?
Thanks in advance

--- El lun, 18/4/11, Mika Nystrom <mika at async.caltech.edu> escribió:

> De: Mika Nystrom <mika at async.caltech.edu>
> Asunto: Re: [M3devel] malloc/free from Modula-3?
> Para: "Daniel Alejandro Benavides D." <dabenavidesd at yahoo.es>
> CC: m3devel at elegosoft.com
> Fecha: lunes, 18 de abril, 2011 13:47
> "Daniel Alejandro Benavides D."
> writes:
> >Hi all:
> >the only thing you need to keep control as of CM3 is
> concerned is the modul=
> >a-3 free calls equals the number of news, that is, if
> not is runtime error,=
> Not exactly.  You can't necessarily call malloc/free
> from multiple threads.
> This is a big problem for Modula-3 programs that call out
> to nontrivial C code.
> (Why don't we wrap malloc/free ourselves in a special
> library?  Linker problems
> I suppose... and I also suppose the effort should rather be
> on getting pthreads
> working again than messing around with problems with user
> threads...)
>      Mika

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