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CVS commit: src/sys
Module Name: src
Committed By: pooka
Date: Thu Oct 9 10:48:21 UTC 2008
src/sys/kern: init_main.c subr_once.c
Rewrite once to use global locks and atomic ops to get rid of the
static simplelock initializer (and simplelock too). The fastpath
is still lockless, so doesn't make a difference in terms of
Also fixes a hanging bug if the once routine returned an error.
It does not retry after an error occurs, as I can't really imagine
fruitful semantics for that.
To generate a diff of this commit:
cvs rdiff -r1.363 -r1.364 src/sys/kern/init_main.c
cvs rdiff -r1.3 -r1.4 src/sys/kern/subr_once.c
cvs rdiff -r1.4 -r1.5 src/sys/sys/once.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
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