Re: [boost] [threads] Problem with lambda and tls

Subject: Re: [boost] [threads] Problem with lambda and tls
From: Fu ji (fujimailing_at_[hidden])
Date: 2015-07-13 07:27:33

That's right I replace windows specific api to something cross-platform and
in win there was something like WaitForMultipleEvents check in loop so
there was only one threadid.

Right now I have lambda called from different thread.

Thanks

2015-07-10 14:07 GMT+02:00 Andrey Semashev <andrey.semashev_at_[hidden]>:

> On 10.07.2015 14:54, Fu ji wrote:
>
>> Hello,
>> I have a problem when I use lambda in lambda and I want to obtain thread
>> local storage. Here is simple example:
>>
>> auto late_connect = wakeup_signal_notify_to_connect.connect([this](){
>>      auto* alias_to_this = this;
>>
>>      this->OnInvokeUpdate(); //here I can obtain thread local storage
>> from boost
>>
>>      auto wakeup = wakeup_signal_ptr->connect([alias_to_this]()
>>      {
>>              alias_to_this->OnInvokeUpdate(); //here I cannot obtain
>> thread local storage from boost
>>          }
>>      });});
>>
>> Between first and second of invoke OnInvokeUpdate function there was no
>> destructor call.
>> Someone have idei why ? If I don't use alias for this in capture list
>> there
>> is the same effet.
>>
>
> My guess is that you have these lambdas called in different threads.
>
>
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