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rx: Implement rx_atomic_dec_and_read
authorSimon Wilkinson <sxw@your-file-system.com>
Thu, 16 Dec 2010 11:36:43 +0000 (11:36 +0000)
committerJeffrey Altman <jaltman@openafs.org>
Sun, 2 Jan 2011 03:22:03 +0000 (19:22 -0800)
commitb114faf52f3af0debadc1f045be6212084a70305
treeb358e16773b4f6b8ec1750425fed9fe3e4a8a50atree | snapshot
parent50b1c161e8bed6ad3625b4156dc6481c77ecd866commit | diff
rx: Implement rx_atomic_dec_and_read

Add a function which decrements an atomic counter, and returns the
result. This is essential for implementing reference counting.

Change-Id: Ib173f078bcf117369a82f981d58124018648a71c
Reviewed-on: http://gerrit.openafs.org/3581
Reviewed-by: Jeffrey Altman <jaltman@openafs.org>
Tested-by: Jeffrey Altman <jaltman@openafs.org>
src/rx/rx_atomic.h diff | blob | history