Date: Wed, 13 Jan 2016 22:34:55 +0000 (UTC) From: Eric van Gyzen <vangyzen@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r293858 - head/lib/libthr/thread Message-ID: <201601132234.u0DMYt8L033002@repo.freebsd.org>
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Author: vangyzen Date: Wed Jan 13 22:34:55 2016 New Revision: 293858 URL: https://svnweb.freebsd.org/changeset/base/293858 Log: libthr: const-ify two variables Make the default umutex and urwlock initializers const, because they can be, and as a microoptimization. MFC after: 5 days Sponsored by: Dell Inc. Modified: head/lib/libthr/thread/thr_umtx.c Modified: head/lib/libthr/thread/thr_umtx.c ============================================================================== --- head/lib/libthr/thread/thr_umtx.c Wed Jan 13 21:56:48 2016 (r293857) +++ head/lib/libthr/thread/thr_umtx.c Wed Jan 13 22:34:55 2016 (r293858) @@ -42,7 +42,7 @@ int _umtx_op_err(void *obj, int op, u_lo void _thr_umutex_init(struct umutex *mtx) { - static struct umutex default_mtx = DEFAULT_UMUTEX; + static const struct umutex default_mtx = DEFAULT_UMUTEX; *mtx = default_mtx; } @@ -50,7 +50,8 @@ _thr_umutex_init(struct umutex *mtx) void _thr_urwlock_init(struct urwlock *rwl) { - static struct urwlock default_rwl = DEFAULT_URWLOCK; + static const struct urwlock default_rwl = DEFAULT_URWLOCK; + *rwl = default_rwl; }
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