/vendor/gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/atomic_load_store.h
http://github.com/feyeleanor/RubyGoLightly · C++ Header · 46 lines · 12 code · 7 blank · 27 comment · 0 complexity · f6ea69b83ca6f61c1072da0bcdba85b5 MD5 · raw file
- /*
- * Copyright (c) 2003 Hewlett-Packard Development Company, L.P.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
- /*
- * Definitions for architecturs on which loads and stores of AO_t are
- * atomic fo all legal alignments.
- */
- AO_INLINE AO_t
- AO_load(volatile AO_t *addr)
- {
- /* Cast away the volatile for architectures like IA64 where */
- /* volatile adds barrier semantics. */
- return (*(AO_t *)addr);
- }
- #define AO_HAVE_load
- AO_INLINE void
- AO_store(volatile AO_t *addr, AO_t new_val)
- {
- (*(AO_t *)addr) = new_val;
- }
- #define AO_HAVE_store