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Message-ID: <42E7B413.8040203@familiehaase.de>
Date: Wed, 27 Jul 2005 18:19:31 +0200
From: "Gerrit P. Haase" <gerrit AT familiehaase DOT de>
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To: Krzysztof Duleba <krzysan AT skrzynka DOT pl>
CC: cygwin AT cygwin DOT com
Subject: Re: perl - segfault on "free unused scalar"
References: <dc7n8k$m72$1 AT sea DOT gmane DOT org> <42E76865 DOT 4000301 AT familiehaase DOT de> <dc82t0$r0a$1 AT sea DOT gmane DOT org>
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Krzysztof Duleba wrote:

> Gerrit P. Haase wrote:
>> With 5.8.7 I get the core dump after calling `foo 1` the first time:
>>
>> $ ./inter.pl
>> perl> sub foo($){$a=shift;foo($a+1);}
>> perl> foo 1
>> Out of memory during request for 4040 bytes, total sbrk() is 402624512 
>> bytes!
>> Segmentation fault (core dumped)
> 
> 
> How many times did you try that? With 5.8.7 I get either

I tried it one time ;)


> Another version (with "my $a"):
> 
> perl> sub foo($){my $a=shift;foo($a+1);}
> perl> foo 1
> Out of memory during "large" request for 134221824 bytes, total sbrk() 
> is 304633856 bytes at (eval 19) line 1.
> perl> foo 1
> Bad realloc() ignored at (eval 19) line 1.
> Segmentation fault (core dumped)
> 
> 
> Is this a perl bug, Cygwin bug, or just a feature?

I don't know.  Maybe it is a Windows feature that applications running
out of memory are crashing?


Gerrit
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