Re: [Boost-users] [Thread] this_tread::sleep won't compile with gcc, "no match for operator+"

Subject: Re: [Boost-users] [Thread] this_tread::sleep won't compile with gcc, "no match for operator+"
From: Anthony Williams (anthony.ajw_at_[hidden])
Date: 2011-05-31 12:21:53

Alexey Malakhov <malakhov_at_[hidden]> writes:

> 2011/5/30 Igor R <boost.lists_at_[hidden]>
>
>     > Basically, what I'm trying to do is:
>     >
>     > Â Â Â  using namespace boost::posix_time;
>     > Â Â Â  using namespace boost::this_thread;
>     >
>     > Â Â Â  time_duration td = milliseconds(2000);
>     > Â Â Â  sleep(&td);
>
>     Just curious: what's the purpose of the ampersand here?
>     http://www.boost.org/doc/libs/1_46_1/doc/html/thread/thread_management.html
>     #thread.thread_management.this_thread.sleep
>
>
> Igor, thanks for the note. My ampersand came from VS refusing to compile
> otherwise.
> But you're right, semantically it should not be there.
>
> And it's true, in win32 version this_thread::sleep() declaration is
> inline void sleep(TimeDuration const& rel_time)
> Â Â Â Â Â Â Â  {
> Â Â Â Â Â Â Â Â Â Â Â  interruptible_wait(detail::pin_to_zero(rel_time->total_milliseconds
> ()));
> Â Â Â Â Â Â Â  }

No, it isn't. I don't know where the -> came from, but it's not in the
boost source.

> It's probably not supposed to be like that, but this is the only way it's
> working for me. If anyone could
> come up with a more elegant solution, I'd appreciate it greatly.

Install the latest boost and use sleep(td) on all platforms.

Anthony
-- 
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