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* Copyright (c) 2004 Hewlett-Packard Development Company, L.P.
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* Definitions for architecturs on which loads and stores of unsigned int are
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* atomic fo all legal alignments.
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AO_INLINE unsigned int
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AO_int_load(volatile unsigned int *addr)
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assert(((unsigned long)addr & (sizeof(unsigned int) - 1)) == 0);
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/* Cast away the volatile for architectures like IA64 where */
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/* volatile adds barrier semantics. */
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return (*(unsigned int *)addr);
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#define AO_HAVE_int_load
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AO_int_store(volatile unsigned int *addr, unsigned int new_val)
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assert(((unsigned long)addr & (sizeof(unsigned int) - 1)) == 0);
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(*(unsigned int *)addr) = new_val;
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#define AO_HAVE_int_store
added
removed
src/atomic_ops/sysdeps/int_aligned_atomic_load_store.h
