tree 4d0a4a8ec0896dd037b95e02a27462fb4f84d3ff
parent 72c267b743462d8ba64f54257238c92192dcdf31
author David Grove <groved@us.ibm.com> 1495207374 -0400
committer Daniel A. Steffen <das@apple.com> 1501534569 -0700

clarify config of pthread_workqueue vs. internal_workqueue

As suggested in review of PR-206, DISPATCH_USE_INTERNAL_WORKQUEUES
should not enable HAVE_PTHREAD_WORKQUEUES.  Instead, a new
DISPATCH_USE_WORKQUEUES is defined in queue.c to guard code that
should be enabled in either case.

Signed-off-by: Daniel A. Steffen <dsteffen@apple.com>