Re: [Boost-users] [Boost-Users][interprocess]ERROR_ACCESS_DENIED whenremoving a message_queue

Subject: Re: [Boost-users] [Boost-Users][interprocess]ERROR_ACCESS_DENIED whenremoving a message_queue
From: Eric MALENFANT (Eric.Malenfant_at_[hidden])
Date: 2009-04-07 11:40:26

Laurence Chambenois wrote:
> It works fine, if my program does this :
>     try
>     {
>     message_queue mq1(create_only, "toto", 10, 100);     }
>     catch (interprocess_exception &err)
>     {
>     return -1;
>     }
> 
>     message_queue::remove("toto");
> 
> but if it does :
>     message_queue   *mq1=0;
> 
>     try
>     {
>     mq1 = new message_queue(create_only, "toto", 10, 100);     }
>     catch (interprocess_exception &err)
>     {
>     return -1;
>     }
> 
>     message_queue::remove("toto");
> 
> 
> then the remove return ERROR_ACCESS_DENIED (on tthe
> DeleteFile call). I don't understand why. Is somebody can
> tell me what is wrong with my code ?
>

Just a wild guess: That's probably because the message queue is still
open by the object mq1 points to. In the case where it works, mq1 is
destroyed before the call to remove("toto").