diff options
author | raf <none@none> | 2007-06-29 13:31:58 -0700 |
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committer | raf <none@none> | 2007-06-29 13:31:58 -0700 |
commit | 883492d5a933deb34cd27521e7f2756773cd27af (patch) | |
tree | 0c80cc8bc2b91d1882235f25cf28ef8ed0e4e6e3 /usr/src/lib/libc/sparc | |
parent | ec4858345aa8c9134ae2563545c54823cd78b5c8 (diff) | |
download | illumos-gate-883492d5a933deb34cd27521e7f2756773cd27af.tar.gz |
PSARC 2007/285 robust locks revisited
6296770 process robust mutexes should be much faster
Diffstat (limited to 'usr/src/lib/libc/sparc')
-rw-r--r-- | usr/src/lib/libc/sparc/sys/_lwp_mutex_unlock.s | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/usr/src/lib/libc/sparc/sys/_lwp_mutex_unlock.s b/usr/src/lib/libc/sparc/sys/_lwp_mutex_unlock.s index 5cf848d7b7..fb2e0f2dce 100644 --- a/usr/src/lib/libc/sparc/sys/_lwp_mutex_unlock.s +++ b/usr/src/lib/libc/sparc/sys/_lwp_mutex_unlock.s @@ -2,9 +2,8 @@ * CDDL HEADER START * * The contents of this file are subject to the terms of the - * Common Development and Distribution License, Version 1.0 only - * (the "License"). You may not use this file except in compliance - * with the License. + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. @@ -19,8 +18,9 @@ * * CDDL HEADER END */ + /* - * Copyright 2005 Sun Microsystems, Inc. All rights reserved. + * Copyright 2007 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ @@ -53,7 +53,8 @@ clr %o0 ! return 0 ! else (note that %o0 is still ! &mutex) - SYSTRAP_RVAL1(lwp_mutex_wakeup) ! call kernel to wakeup waiter + clr %o1 ! call kernel to wakeup waiter: + SYSTRAP_RVAL1(lwp_mutex_wakeup) ! lwp_mutex_wakeup(mp, 0) SYSLWPERR 2: RET SET_SIZE(_lwp_mutex_unlock) |