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Diffstat (limited to 'db2/mutex/parisc.gcc')
-rw-r--r-- | db2/mutex/parisc.gcc | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/db2/mutex/parisc.gcc b/db2/mutex/parisc.gcc deleted file mode 100644 index 2e4540f767..0000000000 --- a/db2/mutex/parisc.gcc +++ /dev/null @@ -1,36 +0,0 @@ -/* - * @(#)parisc.gcc 8.8 (Sleepycat) 6/2/98 - * - * Copyright (c) 1996-1997, The University of Utah and the Computer Systems - * Laboratory at the University of Utah (CSL). All rights reserved. - * - * Permission to use, copy, modify and distribute this software is hereby - * granted provided that (1) source code retains these copyright, permission, - * and disclaimer notices, and (2) redistributions including binaries - * reproduce the notices in supporting documentation, and (3) all advertising - * materials mentioning features or use of this software display the following - * acknowledgement: ``This product includes software developed by the Computer - * Systems Laboratory at the University of Utah.'' - * - * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS - * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF - * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * CSL requests users of this software to return to csl-dist@cs.utah.edu any - * improvements that they make and grant CSL redistribution rights. - */ - -/* - * The PA-RISC has a "load and clear" instead of a "test and set" instruction. - * The 32-bit word used by that instruction must be 16-byte aligned. We could - * use the "aligned" attribute in GCC but that doesn't work for stack variables. - */ -#define TSL_SET(tsl) ({ \ - register tsl_t *__l = (tsl); \ - int __r; \ - asm volatile("ldcws 0(%1),%0" : "=r" (__r) : "r" (__l)); \ - __r & 1; \ -}) - -#define TSL_UNSET(tsl) (*(tsl) = -1) -#define TSL_INIT(tsl) TSL_UNSET(tsl) |