Re: [boost] Boost.Thread request: event object

From: Daryle Walker (darylew_at_[hidden])
Date: 2004-01-26 15:12:31

On 1/25/04 5:28 PM, "Matthew Hurd" <matt_at_[hidden]> wrote:

[SNIP]
> But it does look neat.
> 
> if (lock lk(guard_,t))
> 
> and would release automagically as the if scope rolls out.  I'm warming to
> it.
> 
> Other than that you could scope it as I wrote previously:
> 
> {
> lock   smock(guard_, false);
> if (smock.acquire_timed(t)) {
> // don't worry be happy
> }
> }
> 
> I thought a comma operator could rescue us, but I was misguided:
> 
> if (lock lk(guard_,false), lk.acquire_timed(t) )
> 
> would do the trick if it was valid c++, but I'm pretty sure it isn't.

You're right, you CANNOT do:

if ( Type  Object1( XXX ) )  // possibly with ", Object2( YYY )", etc.

You can only do

if ( Type  Object = Whatever )

or the "scoping in advance" trick you already showed.

-- 
Daryle Walker
Mac, Internet, and Video Game Junkie
darylew AT hotmail DOT com