Re: [boost] [boost::context] reusing stacks

Subject: Re: [boost] [boost::context] reusing stacks
From: Valentin Milea (valentin.milea_at_[hidden])
Date: 2012-11-27 03:24:32

Just to make sure, this means sample code is actually legal?

On Tue, Nov 27, 2012 at 10:09 AM, Oliver Kowalke
<oliver.kowalke_at_[hidden]> wrote:
> == context is not used further
> make_fcontext() returns a pointer to fcontext_t which is placed at the top
> of the stack
> If you call make_fcontext() again with the same stack the content of the
> previous fcontext_t will be destroyed
> Am 27.11.2012 08:59 schrieb "Valentin Milea" <valentin.milea_at_[hidden]>:
>
>> How do you deallocate a context? With fc being just a struct pointer
>> at beginning of stack, I assumed no special action needed.
>>
>> > yes, but only one context is allowed to own the stack. If the context is
>> > deallocated you could asign the stack to another context via
>> > make_fcontext() instead to deallocate it.
>> >
>> > Therefore your code is not correct (two context's share the same stack at
>> > the same time).
>>
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