[boost] Re: Threads: better condition variables?

From: jsiek_at_[hidden]
Date: 2000-08-10 15:59:47

scleary_at_[hidden] writes:
 > > As for the predicate to remove the while...  I considered that a lot 
 > > yesterday while thinking on this subject.  The only problem I see is 
 > > that you don't always have a predicate or while loop.
 > 
 > Right!  Condition variables can also be used on their own.  I've used them
 > in that way before.  The example given by Jeremy was using CV's as a

I'm not familiar with the usage scenario you're alluding to
here. Could you give an example?

 > monitor, not as CV's in their own right.  I'd recommend leaving pthread CV's
 > largely as-is, but adding a Monitor class that wraps the while Predicate
 > loop.

I'm not sure I like the use of the word "monitor" in this sense. I've
always thought that a monitor is a class that automatically serializes
accesses to its member functions. I know that signal() and wait() were
discussed in Hoare's paper, but I thought he was using "condition
variable" for that part of the functionality.

Cheers,

Jeremy