[boost] Re: [network] An RFC - updated

From: Michel André (michel.andre_at_[hidden])
Date: 2005-04-22 06:13:15

Iain Hanson wrote:
> On Fri, 2005-04-22 at 12:42 +0300, Peter Dimov wrote:
>>Rationale: buffer management is a pain with multiple callbacks active ;-)
>>
> 
> This would give a significant performance hit as there will now be two
> copies of the data. The 1st from kennel space to the library and the
> second in the callback from the library to the user.

And in some cases setting the buffer sizes of the socket to 0 will also 
remove the buffering in the kernel and only use usermode buffers. And 
making to many choices on memory and thread managment isn't a good idea 
in a general purpose networking library.

/Michel