Thursday, November 24, 2016

Digest for comp.lang.c++@googlegroups.com - 1 update in 1 topic

"Chris M. Thomasson" <invalid@invalid.invalid>: Nov 24 03:14PM -0800

On 11/24/2016 12:58 PM, Jerry Stuckle wrote:
>> the same machine as the display server.
 
> Don't forget if any process writes to the shared memory, all access to
> the shared memory must be protected by mutex semaphores.
 
Why? Keep in mind that C++11 has basically all the functionality we need
to efficiently avoid mutexs and/or semaphores when possible.
 
 
> That slows
> things down a bit - but it's still a lot faster than any other IPC.
 
Yes. Mutexs can slow definitely things down, however, they do have their
place.
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