Re: [Boost-users] Using boost::asio::async_write to stream out data

Subject: Re: [Boost-users] Using boost::asio::async_write to stream out data
From: Alex Black (alex_at_[hidden])
Date: 2009-07-23 09:47:34

So, doing this is not allowed:

async_write( socket, ... );
async_write( socket, ... );

Instead, I have to queue the 2nd buffer until the first write is done?

> -----Original Message-----
> From: boost-users-bounces_at_[hidden] 
> [mailto:boost-users-bounces_at_[hidden]] On Behalf Of Igor R
> Sent: Thursday, July 23, 2009 9:41 AM
> To: boost-users_at_[hidden]
> Subject: Re: [Boost-users] Using boost::asio::async_write to 
> stream out data
> 
> > I'm not 100% clear on this yet, is it safe for my thread to call 
> > async_write over and over again without waiting for 
> previous writes to complete?
> >
> > Is it safe to do this on two different threads writing each out on 
> > their own socket?
> 
> It's safe to issue simultanious async_write's for different 
> sockets and buffers. It's not safe to do this for the same 
> socket, because
> async_write() does not guarantee that all the data is sent at once.
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