hello, just a question, I was actually trying the same thing (putting a thread in a class) today, but vc7.1 shows a warning on code like below: warning C4355: 'this' : used in base member initializer list

Simple() : th(boost::bind(&Simple::run, boost::ref(*this))) {}

And in the help it says <quote> The base-class constructors and class member constructors are called before this constructor. In effect, you've passed a pointer to an unconstructed object to another constructor. If those other constructors access any members or call member functions on this, the result will be undefined. You should using the this pointer until all construction has completed </quote> suggestions/comments? Can I ignore this? thanks, Filip --- Patrick wrote:

Hello Sliwa,

This should do it.

class Simple

{

Simple() : th(boost::bind(&Simple::run, boost::ref(*this)))

{}

void run()

{

for(;;){

//Thread's work goes here.

}

}

private:

boost::thread th;

};

_____

From: boost-users-bounces@lists.boost.org [mailto:boost-users-bounces@lists.boost.org] On Behalf Of Sliwa, Przemyslaw (London) Sent: Friday, January 27, 2006 4:25 AM To: boost-users@lists.boost.org Subject: [Boost-users] Spawning a thread on a member function

All,

Does anyone know how to spawn a thread on member function of an existing object in its constructor.

Clearly simple boost::bind does not work. I do not know how to tell the compiler it must take the member function.

Thanks for help,

Pshemek

Kind regards

Pshemek

Przemyslaw Sliwa Global Foreign Exchange

FX Risk Engine Development Merrill Lynch *** +44 (0)20 7995 4182 * +44 (0)79 6325 2319 *** Email: przemyslaw_sliwa@ml.com

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This is even simpler. Is there is reason for "boost::ref(*this)" ? class Simple { Simple() : th( boost::bind( run, this )) {} void run() { for(;;){ //Thread's work goes here. } } private: boost::thread th; };