82 lines
2.5 KiB
Plaintext
82 lines
2.5 KiB
Plaintext
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#! /bin/sh -e
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# DP: Description: atomicity.h placeholder for HPPA
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# DP: Author: Carlos O'Donell <carlos@baldric.uwo.ca>
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# DP: Upstream status: Not submitted upstream
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# DP: Status Details: --
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# DP: Date: November 16, 2002
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if [ $# -ne 2 ]; then
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echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
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exit 1
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fi
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case "$1" in
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-patch) patch -d "$2" -f --no-backup-if-mismatch -p1 < $0;;
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-unpatch) patch -d "$2" -f --no-backup-if-mismatch -R -p1 < $0;;
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*)
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echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
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exit 1
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esac
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exit 0
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# append the patch here and adjust the -p? flag in the patch calls.
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diff -urN glibc-2.3.1.orig/sysdeps/hppa/atomicity.h glibc-2.3.1/sysdeps/hppa/atomicity.h
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--- glibc-2.3.1.orig/sysdeps/hppa/atomicity.h 1969-12-31 19:00:00.000000000 -0500
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+++ glibc-2.3.1/sysdeps/hppa/atomicity.h 2002-11-07 08:35:55.000000000 -0500
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@@ -0,0 +1,55 @@
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+/* Low-level functions for atomic operations. HP-PARISC version.
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+ Copyright (C) 1997,2001 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library; if not, write to the Free
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+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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+ 02111-1307 USA. */
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+
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+#ifndef _ATOMICITY_H
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+#define _ATOMICITY_H 1
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+
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+#include <inttypes.h>
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+
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+#warning stub atomicity functions are not atomic
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+#warning CAO This will get implemented soon
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+
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+static inline int
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+__attribute__ ((unused))
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+exchange_and_add (volatile uint32_t *mem, int val)
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+{
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+ int result = *mem;
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+ *mem += val;
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+ return result;
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+}
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+
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+static inline void
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+__attribute__ ((unused))
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+atomic_add (volatile uint32_t *mem, int val)
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+{
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+ *mem += val;
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+}
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+
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+static inline int
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+__attribute__ ((unused))
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+compare_and_swap (volatile long int *p, long int oldval, long int newval)
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+{
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+ if (*p != oldval)
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+ return 0;
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+
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+ *p = newval;
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+ return 1;
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+}
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+
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+#endif /* atomicity.h */
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