Re: [boost] boost::signal poor performance

Subject: Re: [boost] boost::signal poor performance
From: Hansi (hansipet_at_[hidden])
Date: 2008-09-25 01:34:43

I think it is because you have build the library with SECURE_SCL=1 
defined. It has not a compatible ABI!
I think boost should also make by default this libraries and autolink 
against the right one...

Best regards
Hansjörg

Wang Yun schrieb:
> Hi, I met a crash when define _SECURE_SCL=0 in release mode
> but in debug mode, it's ok, I'm using VC2005.
> 
> in e:\libraries\boost_1_36_0\boost\signals\detail\named_slot_map.hpp
> 
> void init_next_group()
>  {
>    while (group != last_group && group->second.empty()) ++group;
>    if (group != last_group) {
>      slot_ = group->second.begin();   // crash and debugger stops at here
>      slot_assigned = true;
>    }
>  }
> 
> //////// code below
> 
> class TestSignal
> {
> public:
> 
>    int counter;
> 
>    void OnEventReceived(char b)
>    {
>        counter++;
>    }
> };
> 
> int _tmain(int argc, _TCHAR* argv[])
> {
>    int const times = 100000;
> 
>    TestSignal testSignal;
>    boost::signal<void (char)> sig;
> 
>    sig.connect(boost::bind(&TestSignal::OnEventReceived,&testSignal,_1));
> 
>    for(int i = 0; i < times; i++)
>    {
>        sig('a');
>    }
> }
> 
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