Re: Global variable in static library - double free or corruption error

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Could you explain the last phrase. Do you mean, once I break the ODR the 
behaviour is unexpected?  



----- Original Message ----
From: Andrew Haley <aph@xxxxxxxxxx>
To: noloader@xxxxxxxxx
Cc: Alexey Skidanov <skidanovalexey@xxxxxxxxx>; Alexey Skidanov 
<Alexey.Skidanov@xxxxxxxxxxxx>; gcc-help@xxxxxxxxxxx
Sent: Fri, October 22, 2010 3:02:13 PM
Subject: Re: Global variable in static library - double free or corruption error

On 10/22/2010 01:22 PM, Jeffrey Walton wrote:
> On Fri, Oct 22, 2010 at 4:32 AM, Andrew Haley <aph@xxxxxxxxxx> wrote:
>> Please stop top-posting.  It makes it very hard to reply to you.
>>
>> On 10/21/2010 09:01 PM, Alexey Skidanov wrote:
>>> Actually, you claim that if some static library defines some global 
variable,
>>> then it should NOT be linked with more then one shared library.
>>
>> In the same process, yes.  That's absolutely true.
>>
>>> That is, if you
>>> have the dependencies tree like in my example then you have a problem. Think
>>> about such static library is third party library where I can't change the 
>>code.
>>>
>>> Regarding the ODR. You are absolutly right. But what about a MULTIPLE 
>variable
>>> initialization. Is it correct behaviour according to standard?
>>
>> I don't know what you mean by a "MULTIPLE variable initialization".
> I believe he means the constructor running multiple times (the
> antithesis of the destructor running multiple times).

I see, thanks.

Well, unless there's a bug you can't get that unless you break the
ODR.

Andrew.







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