Subj : Re: Memory synchronization with pthreads
To   : comp.programming.threads
From : Alexander Terekhov
Date : Tue Jan 18 2005 10:18 am


Joseph Seigh wrote:
[...]
> > It does not say "if you registered an at fork handler with pthread_atfork()
> > AND the handler invoked pthread functions that synchronized memory".
> 
> fork shouldn't be in that list.  

Wrong. In release consistency speak, fork() has "release->acquire" 
msync semantics with respect to the calling thread and the initial 
thread in the created process. The fact that the copy "is made" 
(COW aside for a moment) is pretty much irrelevant. 

regards,
alexander.

.