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529 lines
20 KiB
Plaintext
529 lines
20 KiB
Plaintext
/*
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* Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P.
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*
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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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*
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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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*
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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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* SOFTWARE.
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*/
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/* XSIZE_fetch_compare_and_swap */
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#if defined(AO_HAVE_XSIZE_fetch_compare_and_swap) \
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&& defined(AO_HAVE_nop_full) \
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&& !defined(AO_HAVE_XSIZE_fetch_compare_and_swap_acquire)
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AO_INLINE XCTYPE
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AO_XSIZE_fetch_compare_and_swap_acquire(volatile XCTYPE *addr,
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XCTYPE old_val, XCTYPE new_val)
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{
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XCTYPE result = AO_XSIZE_fetch_compare_and_swap(addr, old_val, new_val);
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AO_nop_full();
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return result;
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}
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# define AO_HAVE_XSIZE_fetch_compare_and_swap_acquire
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#endif
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#if defined(AO_HAVE_XSIZE_fetch_compare_and_swap) \
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&& defined(AO_HAVE_nop_full) \
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&& !defined(AO_HAVE_XSIZE_fetch_compare_and_swap_release)
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# define AO_XSIZE_fetch_compare_and_swap_release(addr, old_val, new_val) \
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(AO_nop_full(), \
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AO_XSIZE_fetch_compare_and_swap(addr, old_val, new_val))
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# define AO_HAVE_XSIZE_fetch_compare_and_swap_release
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#endif
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#if defined(AO_HAVE_XSIZE_fetch_compare_and_swap_full)
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# if !defined(AO_HAVE_XSIZE_fetch_compare_and_swap_release)
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# define AO_XSIZE_fetch_compare_and_swap_release(addr, old_val, new_val) \
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AO_XSIZE_fetch_compare_and_swap_full(addr, old_val, new_val)
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# define AO_HAVE_XSIZE_fetch_compare_and_swap_release
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# endif
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# if !defined(AO_HAVE_XSIZE_fetch_compare_and_swap_acquire)
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# define AO_XSIZE_fetch_compare_and_swap_acquire(addr, old_val, new_val) \
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AO_XSIZE_fetch_compare_and_swap_full(addr, old_val, new_val)
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# define AO_HAVE_XSIZE_fetch_compare_and_swap_acquire
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# endif
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# if !defined(AO_HAVE_XSIZE_fetch_compare_and_swap_write)
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# define AO_XSIZE_fetch_compare_and_swap_write(addr, old_val, new_val) \
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AO_XSIZE_fetch_compare_and_swap_full(addr, old_val, new_val)
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# define AO_HAVE_XSIZE_fetch_compare_and_swap_write
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# endif
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# if !defined(AO_HAVE_XSIZE_fetch_compare_and_swap_read)
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# define AO_XSIZE_fetch_compare_and_swap_read(addr, old_val, new_val) \
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AO_XSIZE_fetch_compare_and_swap_full(addr, old_val, new_val)
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# define AO_HAVE_XSIZE_fetch_compare_and_swap_read
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# endif
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#endif /* AO_HAVE_XSIZE_fetch_compare_and_swap_full */
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#if !defined(AO_HAVE_XSIZE_fetch_compare_and_swap) \
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&& defined(AO_HAVE_XSIZE_fetch_compare_and_swap_release)
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# define AO_XSIZE_fetch_compare_and_swap(addr, old_val, new_val) \
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AO_XSIZE_fetch_compare_and_swap_release(addr, old_val, new_val)
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# define AO_HAVE_XSIZE_fetch_compare_and_swap
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#endif
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#if !defined(AO_HAVE_XSIZE_fetch_compare_and_swap) \
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&& defined(AO_HAVE_XSIZE_fetch_compare_and_swap_acquire)
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# define AO_XSIZE_fetch_compare_and_swap(addr, old_val, new_val) \
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AO_XSIZE_fetch_compare_and_swap_acquire(addr, old_val, new_val)
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# define AO_HAVE_XSIZE_fetch_compare_and_swap
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#endif
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#if !defined(AO_HAVE_XSIZE_fetch_compare_and_swap) \
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&& defined(AO_HAVE_XSIZE_fetch_compare_and_swap_write)
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# define AO_XSIZE_fetch_compare_and_swap(addr, old_val, new_val) \
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AO_XSIZE_fetch_compare_and_swap_write(addr, old_val, new_val)
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# define AO_HAVE_XSIZE_fetch_compare_and_swap
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#endif
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#if !defined(AO_HAVE_XSIZE_fetch_compare_and_swap) \
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&& defined(AO_HAVE_XSIZE_fetch_compare_and_swap_read)
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# define AO_XSIZE_fetch_compare_and_swap(addr, old_val, new_val) \
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AO_XSIZE_fetch_compare_and_swap_read(addr, old_val, new_val)
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# define AO_HAVE_XSIZE_fetch_compare_and_swap
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#endif
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#if defined(AO_HAVE_XSIZE_fetch_compare_and_swap_acquire) \
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&& defined(AO_HAVE_nop_full) \
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&& !defined(AO_HAVE_XSIZE_fetch_compare_and_swap_full)
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# define AO_XSIZE_fetch_compare_and_swap_full(addr, old_val, new_val) \
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(AO_nop_full(), \
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AO_XSIZE_fetch_compare_and_swap_acquire(addr, old_val, new_val))
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# define AO_HAVE_XSIZE_fetch_compare_and_swap_full
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#endif
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#if !defined(AO_HAVE_XSIZE_fetch_compare_and_swap_release_write) \
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&& defined(AO_HAVE_XSIZE_fetch_compare_and_swap_write)
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# define AO_XSIZE_fetch_compare_and_swap_release_write(addr,old_val,new_val) \
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AO_XSIZE_fetch_compare_and_swap_write(addr, old_val, new_val)
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# define AO_HAVE_XSIZE_fetch_compare_and_swap_release_write
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#endif
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#if !defined(AO_HAVE_XSIZE_fetch_compare_and_swap_release_write) \
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&& defined(AO_HAVE_XSIZE_fetch_compare_and_swap_release)
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# define AO_XSIZE_fetch_compare_and_swap_release_write(addr,old_val,new_val) \
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AO_XSIZE_fetch_compare_and_swap_release(addr, old_val, new_val)
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# define AO_HAVE_XSIZE_fetch_compare_and_swap_release_write
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#endif
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#if !defined(AO_HAVE_XSIZE_fetch_compare_and_swap_acquire_read) \
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&& defined(AO_HAVE_XSIZE_fetch_compare_and_swap_read)
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# define AO_XSIZE_fetch_compare_and_swap_acquire_read(addr,old_val,new_val) \
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AO_XSIZE_fetch_compare_and_swap_read(addr, old_val, new_val)
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# define AO_HAVE_XSIZE_fetch_compare_and_swap_acquire_read
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#endif
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#if !defined(AO_HAVE_XSIZE_fetch_compare_and_swap_acquire_read) \
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&& defined(AO_HAVE_XSIZE_fetch_compare_and_swap_acquire)
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# define AO_XSIZE_fetch_compare_and_swap_acquire_read(addr,old_val,new_val) \
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AO_XSIZE_fetch_compare_and_swap_acquire(addr, old_val, new_val)
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# define AO_HAVE_XSIZE_fetch_compare_and_swap_acquire_read
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#endif
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#ifdef AO_NO_DD_ORDERING
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# if defined(AO_HAVE_XSIZE_fetch_compare_and_swap_acquire_read)
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# define AO_XSIZE_fetch_compare_and_swap_dd_acquire_read(addr,old_val,new_val) \
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AO_XSIZE_fetch_compare_and_swap_acquire_read(addr, old_val, new_val)
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# define AO_HAVE_XSIZE_fetch_compare_and_swap_dd_acquire_read
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# endif
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#else
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# if defined(AO_HAVE_XSIZE_fetch_compare_and_swap)
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# define AO_XSIZE_fetch_compare_and_swap_dd_acquire_read(addr,old_val,new_val) \
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AO_XSIZE_fetch_compare_and_swap(addr, old_val, new_val)
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# define AO_HAVE_XSIZE_fetch_compare_and_swap_dd_acquire_read
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# endif
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#endif /* !AO_NO_DD_ORDERING */
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/* XSIZE_compare_and_swap */
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#if defined(AO_HAVE_XSIZE_compare_and_swap) && defined(AO_HAVE_nop_full) \
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&& !defined(AO_HAVE_XSIZE_compare_and_swap_acquire)
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AO_INLINE int
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AO_XSIZE_compare_and_swap_acquire(volatile XCTYPE *addr, XCTYPE old,
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XCTYPE new_val)
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{
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int result = AO_XSIZE_compare_and_swap(addr, old, new_val);
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AO_nop_full();
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return result;
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}
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# define AO_HAVE_XSIZE_compare_and_swap_acquire
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#endif
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#if defined(AO_HAVE_XSIZE_compare_and_swap) && defined(AO_HAVE_nop_full) \
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&& !defined(AO_HAVE_XSIZE_compare_and_swap_release)
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# define AO_XSIZE_compare_and_swap_release(addr, old, new_val) \
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(AO_nop_full(), AO_XSIZE_compare_and_swap(addr, old, new_val))
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# define AO_HAVE_XSIZE_compare_and_swap_release
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#endif
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#if defined(AO_HAVE_XSIZE_compare_and_swap_full)
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# if !defined(AO_HAVE_XSIZE_compare_and_swap_release)
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# define AO_XSIZE_compare_and_swap_release(addr, old, new_val) \
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AO_XSIZE_compare_and_swap_full(addr, old, new_val)
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# define AO_HAVE_XSIZE_compare_and_swap_release
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# endif
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# if !defined(AO_HAVE_XSIZE_compare_and_swap_acquire)
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# define AO_XSIZE_compare_and_swap_acquire(addr, old, new_val) \
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AO_XSIZE_compare_and_swap_full(addr, old, new_val)
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# define AO_HAVE_XSIZE_compare_and_swap_acquire
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# endif
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# if !defined(AO_HAVE_XSIZE_compare_and_swap_write)
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# define AO_XSIZE_compare_and_swap_write(addr, old, new_val) \
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AO_XSIZE_compare_and_swap_full(addr, old, new_val)
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# define AO_HAVE_XSIZE_compare_and_swap_write
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# endif
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# if !defined(AO_HAVE_XSIZE_compare_and_swap_read)
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# define AO_XSIZE_compare_and_swap_read(addr, old, new_val) \
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AO_XSIZE_compare_and_swap_full(addr, old, new_val)
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# define AO_HAVE_XSIZE_compare_and_swap_read
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# endif
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#endif /* AO_HAVE_XSIZE_compare_and_swap_full */
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#if !defined(AO_HAVE_XSIZE_compare_and_swap) \
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&& defined(AO_HAVE_XSIZE_compare_and_swap_release)
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# define AO_XSIZE_compare_and_swap(addr, old, new_val) \
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AO_XSIZE_compare_and_swap_release(addr, old, new_val)
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# define AO_HAVE_XSIZE_compare_and_swap
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#endif
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#if !defined(AO_HAVE_XSIZE_compare_and_swap) \
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&& defined(AO_HAVE_XSIZE_compare_and_swap_acquire)
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# define AO_XSIZE_compare_and_swap(addr, old, new_val) \
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AO_XSIZE_compare_and_swap_acquire(addr, old, new_val)
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# define AO_HAVE_XSIZE_compare_and_swap
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#endif
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#if !defined(AO_HAVE_XSIZE_compare_and_swap) \
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&& defined(AO_HAVE_XSIZE_compare_and_swap_write)
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# define AO_XSIZE_compare_and_swap(addr, old, new_val) \
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AO_XSIZE_compare_and_swap_write(addr, old, new_val)
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# define AO_HAVE_XSIZE_compare_and_swap
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#endif
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#if !defined(AO_HAVE_XSIZE_compare_and_swap) \
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&& defined(AO_HAVE_XSIZE_compare_and_swap_read)
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# define AO_XSIZE_compare_and_swap(addr, old, new_val) \
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AO_XSIZE_compare_and_swap_read(addr, old, new_val)
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# define AO_HAVE_XSIZE_compare_and_swap
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#endif
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#if defined(AO_HAVE_XSIZE_compare_and_swap_acquire) \
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&& defined(AO_HAVE_nop_full) \
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&& !defined(AO_HAVE_XSIZE_compare_and_swap_full)
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# define AO_XSIZE_compare_and_swap_full(addr, old, new_val) \
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(AO_nop_full(), \
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AO_XSIZE_compare_and_swap_acquire(addr, old, new_val))
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# define AO_HAVE_XSIZE_compare_and_swap_full
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#endif
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#if !defined(AO_HAVE_XSIZE_compare_and_swap_release_write) \
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&& defined(AO_HAVE_XSIZE_compare_and_swap_write)
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# define AO_XSIZE_compare_and_swap_release_write(addr, old, new_val) \
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AO_XSIZE_compare_and_swap_write(addr, old, new_val)
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# define AO_HAVE_XSIZE_compare_and_swap_release_write
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#endif
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#if !defined(AO_HAVE_XSIZE_compare_and_swap_release_write) \
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&& defined(AO_HAVE_XSIZE_compare_and_swap_release)
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# define AO_XSIZE_compare_and_swap_release_write(addr, old, new_val) \
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AO_XSIZE_compare_and_swap_release(addr, old, new_val)
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# define AO_HAVE_XSIZE_compare_and_swap_release_write
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#endif
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#if !defined(AO_HAVE_XSIZE_compare_and_swap_acquire_read) \
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&& defined(AO_HAVE_XSIZE_compare_and_swap_read)
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# define AO_XSIZE_compare_and_swap_acquire_read(addr, old, new_val) \
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AO_XSIZE_compare_and_swap_read(addr, old, new_val)
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# define AO_HAVE_XSIZE_compare_and_swap_acquire_read
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#endif
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#if !defined(AO_HAVE_XSIZE_compare_and_swap_acquire_read) \
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&& defined(AO_HAVE_XSIZE_compare_and_swap_acquire)
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# define AO_XSIZE_compare_and_swap_acquire_read(addr, old, new_val) \
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AO_XSIZE_compare_and_swap_acquire(addr, old, new_val)
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# define AO_HAVE_XSIZE_compare_and_swap_acquire_read
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#endif
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#ifdef AO_NO_DD_ORDERING
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# if defined(AO_HAVE_XSIZE_compare_and_swap_acquire_read)
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# define AO_XSIZE_compare_and_swap_dd_acquire_read(addr, old, new_val) \
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AO_XSIZE_compare_and_swap_acquire_read(addr, old, new_val)
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# define AO_HAVE_XSIZE_compare_and_swap_dd_acquire_read
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# endif
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#else
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# if defined(AO_HAVE_XSIZE_compare_and_swap)
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# define AO_XSIZE_compare_and_swap_dd_acquire_read(addr, old, new_val) \
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AO_XSIZE_compare_and_swap(addr, old, new_val)
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# define AO_HAVE_XSIZE_compare_and_swap_dd_acquire_read
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# endif
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#endif /* !AO_NO_DD_ORDERING */
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/* XSIZE_load */
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#if defined(AO_HAVE_XSIZE_load_full) && !defined(AO_HAVE_XSIZE_load_acquire)
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# define AO_XSIZE_load_acquire(addr) AO_XSIZE_load_full(addr)
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# define AO_HAVE_XSIZE_load_acquire
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#endif
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#if defined(AO_HAVE_XSIZE_load_acquire) && !defined(AO_HAVE_XSIZE_load)
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# define AO_XSIZE_load(addr) AO_XSIZE_load_acquire(addr)
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# define AO_HAVE_XSIZE_load
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#endif
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#if defined(AO_HAVE_XSIZE_load_full) && !defined(AO_HAVE_XSIZE_load_read)
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# define AO_XSIZE_load_read(addr) AO_XSIZE_load_full(addr)
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# define AO_HAVE_XSIZE_load_read
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#endif
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#if !defined(AO_HAVE_XSIZE_load_acquire_read) \
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&& defined(AO_HAVE_XSIZE_load_acquire)
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# define AO_XSIZE_load_acquire_read(addr) AO_XSIZE_load_acquire(addr)
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# define AO_HAVE_XSIZE_load_acquire_read
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#endif
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#if defined(AO_HAVE_XSIZE_load) && defined(AO_HAVE_nop_full) \
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&& !defined(AO_HAVE_XSIZE_load_acquire)
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AO_INLINE XCTYPE
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AO_XSIZE_load_acquire(const volatile XCTYPE *addr)
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{
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XCTYPE result = AO_XSIZE_load(addr);
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/* Acquire barrier would be useless, since the load could be delayed */
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/* beyond it. */
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AO_nop_full();
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return result;
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}
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# define AO_HAVE_XSIZE_load_acquire
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#endif
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#if defined(AO_HAVE_XSIZE_load) && defined(AO_HAVE_nop_read) \
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&& !defined(AO_HAVE_XSIZE_load_read)
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AO_INLINE XCTYPE
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AO_XSIZE_load_read(const volatile XCTYPE *addr)
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{
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XCTYPE result = AO_XSIZE_load(addr);
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AO_nop_read();
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return result;
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}
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# define AO_HAVE_XSIZE_load_read
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#endif
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#if defined(AO_HAVE_XSIZE_load_acquire) && defined(AO_HAVE_nop_full) \
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&& !defined(AO_HAVE_XSIZE_load_full)
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# define AO_XSIZE_load_full(addr) (AO_nop_full(), AO_XSIZE_load_acquire(addr))
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# define AO_HAVE_XSIZE_load_full
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#endif
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#if defined(AO_HAVE_XSIZE_compare_and_swap_read) \
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&& !defined(AO_HAVE_XSIZE_load_read)
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# define AO_XSIZE_CAS_BASED_LOAD_READ
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AO_ATTR_NO_SANITIZE_THREAD
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AO_INLINE XCTYPE
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AO_XSIZE_load_read(const volatile XCTYPE *addr)
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{
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XCTYPE result;
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do {
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result = *(const XCTYPE *)addr;
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} while (AO_EXPECT_FALSE(!AO_XSIZE_compare_and_swap_read(
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(volatile XCTYPE *)addr,
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result, result)));
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return result;
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}
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# define AO_HAVE_XSIZE_load_read
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#endif
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#if !defined(AO_HAVE_XSIZE_load_acquire_read) \
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&& defined(AO_HAVE_XSIZE_load_read)
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# define AO_XSIZE_load_acquire_read(addr) AO_XSIZE_load_read(addr)
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# define AO_HAVE_XSIZE_load_acquire_read
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#endif
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#if defined(AO_HAVE_XSIZE_load_acquire_read) && !defined(AO_HAVE_XSIZE_load) \
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&& (!defined(AO_XSIZE_CAS_BASED_LOAD_READ) \
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|| !defined(AO_HAVE_XSIZE_compare_and_swap))
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# define AO_XSIZE_load(addr) AO_XSIZE_load_acquire_read(addr)
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# define AO_HAVE_XSIZE_load
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#endif
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#if defined(AO_HAVE_XSIZE_compare_and_swap_full) \
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&& !defined(AO_HAVE_XSIZE_load_full)
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AO_ATTR_NO_SANITIZE_THREAD
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AO_INLINE XCTYPE
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AO_XSIZE_load_full(const volatile XCTYPE *addr)
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{
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XCTYPE result;
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do {
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result = *(const XCTYPE *)addr;
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} while (AO_EXPECT_FALSE(!AO_XSIZE_compare_and_swap_full(
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(volatile XCTYPE *)addr,
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result, result)));
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return result;
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}
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# define AO_HAVE_XSIZE_load_full
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#endif
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#if defined(AO_HAVE_XSIZE_compare_and_swap_acquire) \
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&& !defined(AO_HAVE_XSIZE_load_acquire)
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AO_ATTR_NO_SANITIZE_THREAD
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AO_INLINE XCTYPE
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AO_XSIZE_load_acquire(const volatile XCTYPE *addr)
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{
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XCTYPE result;
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do {
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result = *(const XCTYPE *)addr;
|
|
} while (AO_EXPECT_FALSE(!AO_XSIZE_compare_and_swap_acquire(
|
|
(volatile XCTYPE *)addr,
|
|
result, result)));
|
|
return result;
|
|
}
|
|
# define AO_HAVE_XSIZE_load_acquire
|
|
#endif
|
|
|
|
#if defined(AO_HAVE_XSIZE_compare_and_swap) && !defined(AO_HAVE_XSIZE_load)
|
|
AO_ATTR_NO_SANITIZE_THREAD
|
|
AO_INLINE XCTYPE
|
|
AO_XSIZE_load(const volatile XCTYPE *addr)
|
|
{
|
|
XCTYPE result;
|
|
|
|
do {
|
|
result = *(const XCTYPE *)addr;
|
|
} while (AO_EXPECT_FALSE(!AO_XSIZE_compare_and_swap(
|
|
(volatile XCTYPE *)addr,
|
|
result, result)));
|
|
return result;
|
|
}
|
|
# define AO_HAVE_XSIZE_load
|
|
#endif
|
|
|
|
#ifdef AO_NO_DD_ORDERING
|
|
# if defined(AO_HAVE_XSIZE_load_acquire_read)
|
|
# define AO_XSIZE_load_dd_acquire_read(addr) \
|
|
AO_XSIZE_load_acquire_read(addr)
|
|
# define AO_HAVE_XSIZE_load_dd_acquire_read
|
|
# endif
|
|
#else
|
|
# if defined(AO_HAVE_XSIZE_load)
|
|
# define AO_XSIZE_load_dd_acquire_read(addr) AO_XSIZE_load(addr)
|
|
# define AO_HAVE_XSIZE_load_dd_acquire_read
|
|
# endif
|
|
#endif /* !AO_NO_DD_ORDERING */
|
|
|
|
/* XSIZE_store */
|
|
#if defined(AO_HAVE_XSIZE_store_full) && !defined(AO_HAVE_XSIZE_store_release)
|
|
# define AO_XSIZE_store_release(addr, val) AO_XSIZE_store_full(addr, val)
|
|
# define AO_HAVE_XSIZE_store_release
|
|
#endif
|
|
|
|
#if defined(AO_HAVE_XSIZE_store_release) && !defined(AO_HAVE_XSIZE_store)
|
|
# define AO_XSIZE_store(addr, val) AO_XSIZE_store_release(addr, val)
|
|
# define AO_HAVE_XSIZE_store
|
|
#endif
|
|
|
|
#if defined(AO_HAVE_XSIZE_store_full) && !defined(AO_HAVE_XSIZE_store_write)
|
|
# define AO_XSIZE_store_write(addr, val) AO_XSIZE_store_full(addr, val)
|
|
# define AO_HAVE_XSIZE_store_write
|
|
#endif
|
|
|
|
#if defined(AO_HAVE_XSIZE_store_release) \
|
|
&& !defined(AO_HAVE_XSIZE_store_release_write)
|
|
# define AO_XSIZE_store_release_write(addr, val) \
|
|
AO_XSIZE_store_release(addr, val)
|
|
# define AO_HAVE_XSIZE_store_release_write
|
|
#endif
|
|
|
|
#if defined(AO_HAVE_XSIZE_store_write) && !defined(AO_HAVE_XSIZE_store)
|
|
# define AO_XSIZE_store(addr, val) AO_XSIZE_store_write(addr, val)
|
|
# define AO_HAVE_XSIZE_store
|
|
#endif
|
|
|
|
#if defined(AO_HAVE_XSIZE_store) && defined(AO_HAVE_nop_full) \
|
|
&& !defined(AO_HAVE_XSIZE_store_release)
|
|
# define AO_XSIZE_store_release(addr, val) \
|
|
(AO_nop_full(), AO_XSIZE_store(addr, val))
|
|
# define AO_HAVE_XSIZE_store_release
|
|
#endif
|
|
|
|
#if defined(AO_HAVE_XSIZE_store) && defined(AO_HAVE_nop_write) \
|
|
&& !defined(AO_HAVE_XSIZE_store_write)
|
|
# define AO_XSIZE_store_write(addr, val) \
|
|
(AO_nop_write(), AO_XSIZE_store(addr, val))
|
|
# define AO_HAVE_XSIZE_store_write
|
|
#endif
|
|
|
|
#if defined(AO_HAVE_XSIZE_compare_and_swap_write) \
|
|
&& !defined(AO_HAVE_XSIZE_store_write)
|
|
AO_ATTR_NO_SANITIZE_MEMORY AO_ATTR_NO_SANITIZE_THREAD
|
|
AO_INLINE void
|
|
AO_XSIZE_store_write(volatile XCTYPE *addr, XCTYPE new_val)
|
|
{
|
|
XCTYPE old_val;
|
|
|
|
do {
|
|
old_val = *(XCTYPE *)addr;
|
|
} while (AO_EXPECT_FALSE(!AO_XSIZE_compare_and_swap_write(addr, old_val,
|
|
new_val)));
|
|
}
|
|
# define AO_HAVE_XSIZE_store_write
|
|
#endif
|
|
|
|
#if defined(AO_HAVE_XSIZE_store_write) \
|
|
&& !defined(AO_HAVE_XSIZE_store_release_write)
|
|
# define AO_XSIZE_store_release_write(addr, val) \
|
|
AO_XSIZE_store_write(addr, val)
|
|
# define AO_HAVE_XSIZE_store_release_write
|
|
#endif
|
|
|
|
#if defined(AO_HAVE_XSIZE_store_release) && defined(AO_HAVE_nop_full) \
|
|
&& !defined(AO_HAVE_XSIZE_store_full)
|
|
# define AO_XSIZE_store_full(addr, val) \
|
|
(AO_XSIZE_store_release(addr, val), \
|
|
AO_nop_full())
|
|
# define AO_HAVE_XSIZE_store_full
|
|
#endif
|
|
|
|
#if defined(AO_HAVE_XSIZE_compare_and_swap) && !defined(AO_HAVE_XSIZE_store)
|
|
AO_ATTR_NO_SANITIZE_MEMORY AO_ATTR_NO_SANITIZE_THREAD
|
|
AO_INLINE void
|
|
AO_XSIZE_store(volatile XCTYPE *addr, XCTYPE new_val)
|
|
{
|
|
XCTYPE old_val;
|
|
|
|
do {
|
|
old_val = *(XCTYPE *)addr;
|
|
} while (AO_EXPECT_FALSE(!AO_XSIZE_compare_and_swap(addr,
|
|
old_val, new_val)));
|
|
}
|
|
# define AO_HAVE_XSIZE_store
|
|
#endif
|
|
|
|
#if defined(AO_HAVE_XSIZE_compare_and_swap_release) \
|
|
&& !defined(AO_HAVE_XSIZE_store_release)
|
|
AO_ATTR_NO_SANITIZE_MEMORY AO_ATTR_NO_SANITIZE_THREAD
|
|
AO_INLINE void
|
|
AO_XSIZE_store_release(volatile XCTYPE *addr, XCTYPE new_val)
|
|
{
|
|
XCTYPE old_val;
|
|
|
|
do {
|
|
old_val = *(XCTYPE *)addr;
|
|
} while (AO_EXPECT_FALSE(!AO_XSIZE_compare_and_swap_release(addr, old_val,
|
|
new_val)));
|
|
}
|
|
# define AO_HAVE_XSIZE_store_release
|
|
#endif
|
|
|
|
#if defined(AO_HAVE_XSIZE_compare_and_swap_full) \
|
|
&& !defined(AO_HAVE_XSIZE_store_full)
|
|
AO_ATTR_NO_SANITIZE_MEMORY AO_ATTR_NO_SANITIZE_THREAD
|
|
AO_INLINE void
|
|
AO_XSIZE_store_full(volatile XCTYPE *addr, XCTYPE new_val)
|
|
{
|
|
XCTYPE old_val;
|
|
|
|
do {
|
|
old_val = *(XCTYPE *)addr;
|
|
} while (AO_EXPECT_FALSE(!AO_XSIZE_compare_and_swap_full(addr, old_val,
|
|
new_val)));
|
|
}
|
|
# define AO_HAVE_XSIZE_store_full
|
|
#endif
|