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Diffstat (limited to 'debian/htdig/htdig-3.2.0b6/db/parisc.gcc')
| -rw-r--r-- | debian/htdig/htdig-3.2.0b6/db/parisc.gcc | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/debian/htdig/htdig-3.2.0b6/db/parisc.gcc b/debian/htdig/htdig-3.2.0b6/db/parisc.gcc new file mode 100644 index 00000000..5769ae04 --- /dev/null +++ b/debian/htdig/htdig-3.2.0b6/db/parisc.gcc @@ -0,0 +1,36 @@ +/* + * @(#)parisc.gcc 11.1 (Sleepycat) 7/25/99 + * + * 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 MUTEX_SET(tsl) ({ \ + register tsl_t *__l = (tsl); \ + int __r; \ + asm volatile("ldcws 0(%1),%0" : "=r" (__r) : "r" (__l)); \ + __r & 1; \ +}) + +#define MUTEX_UNSET(tsl) (*(tsl) = -1) +#define MUTEX_INIT(tsl) MUTEX_UNSET(tsl) |