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2020 Jun 07
3
[External] Re: use of the tcltk package crashes R 4.0.1 for Windows
On Sun, Jun 7, 2020 at 5:53 PM <luke-tierney at uiowa.edu> wrote:
>
> On Sun, 7 Jun 2020, peter dalgaard wrote:
>
> > So this wasn't tested for a month?
> >
> > Anyways, Free() is just free() with a check that we're not freeing a null pointer, followed by setting the pointer to NULL. At that point of tcltk.c, we have
> >
> > for (objc = i = 0;
2020 Jun 07
4
[External] Re: use of the tcltk package crashes R 4.0.1 for Windows
...cular do not use free or strdup with it."
>>
>> I think the reason is that R uses dlmalloc for Calloc on Windows:
>> https://github.com/wch/r-source/blob/c634fec5214e73747b44d7c0e6f047fefe44667d/src/main/memory.c#L94-L103
>
> But that section #defines calloc and free to Rm_... counterparts in lockstep? (I assume that is where dlmalloc comes in?)
>
> Anyways, does it actually work to change free() to Free()? If so, then all this post mortem analysis is rather a moot point.
>
> -pd
>
>
--
Luke Tierney
Ralph E. Wareham Professor of Mathematical Scienc...
2020 Jun 07
0
[External] Re: use of the tcltk package crashes R 4.0.1 for Windows
...gt; malloc: in particular do not use free or strdup with it."
>
> I think the reason is that R uses dlmalloc for Calloc on Windows:
> https://github.com/wch/r-source/blob/c634fec5214e73747b44d7c0e6f047fefe44667d/src/main/memory.c#L94-L103
But that section #defines calloc and free to Rm_... counterparts in lockstep? (I assume that is where dlmalloc comes in?)
Anyways, does it actually work to change free() to Free()? If so, then all this post mortem analysis is rather a moot point.
-pd
--
Peter Dalgaard, Professor,
Center for Statistics, Copenhagen Business School
Solbjerg Plad...
2020 Jun 07
0
[External] use of the tcltk package crashes R 4.0.1 for Windows
Ah, I see it now:
The remapping of free() to Rm_free() and calloc() to Rm_calloc() happens in memory.c, but not in tcltk.c; the macro Calloc in R_ext/RS.h maps to a call to R_chk_alloc which is defined in memory.h; RS.h is included in tcltk.c, so tcltk.c winds up calling Rm_calloc() via Calloc(), but then the NON-remapped free(), and the walls co...
2009 May 27
1
[PATCH server] UI tweaks for cloud
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2012 Oct 26
12
Have Class Only Perform Actions When There Is Work To Do (i.e. Making Them Idempotent)
Howdy. I feel like I am missing something really simply with regards to the
way that Puppet works and I am wondering if someone can point me in the
write direction.
I have written a class that downloads, uncompresses, compiles, and installs
Python from source. So far so good. The problem is that it only needs to do
this once, when Python is not already in place (or some other custom
2009 Aug 18
2
Bug#542265: sendmail-base and logcheck-database: error when trying to install together
Package: logcheck-database,sendmail-base
Version: logcheck-database/1.2.69
Version: sendmail-base/8.14.3-9
Severity: serious
User: treinen at debian.org
Usertags: edos-file-overwrite
Date: 2009-08-18
Architecture: amd64
Distribution: sid
Hi,
automatic installation tests of packages that share a file and at the
same time do not conflict by their package dependency relationships has
detected the