CVS commit: src/common/lib/libc/atomic

["Taylor R Campbell" <riastradh%netbsd.org@localhost>]

Module Name:    src
Committed By:   riastradh
Date:           Sun Mar  9 16:19:14 UTC 2014

Modified Files:
        src/common/lib/libc/atomic: atomic_cas_by_cas32.c

Log Message:
Fix subword atomic_cas.

- Don't loop forever on failure.
- Don't shift away the result and return zero on success.

Evidently we lack automatic tests for these!


To generate a diff of this commit:
cvs rdiff -u -r1.2 -r1.3 src/common/lib/libc/atomic/atomic_cas_by_cas32.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.