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- /*
- * Copyright (c) 2003-2011 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.
- */
- /*
- * Generalize atomic operations for atomic_ops.h.
- * Should not be included directly.
- *
- * We make no attempt to define useless operations, such as
- * AO_nop_acquire
- * AO_nop_release
- *
- * We have also so far neglected to define some others, which
- * do not appear likely to be useful, e.g. stores with acquire
- * or read barriers.
- *
- * This file is sometimes included twice by atomic_ops.h.
- * All definitions include explicit checks that we are not replacing
- * an earlier definition. In general, more desirable expansions
- * appear earlier so that we are more likely to use them.
- *
- * We only make safe generalizations, except that by default we define
- * the ...dd_acquire_read operations to be equivalent to those without
- * a barrier. On platforms for which this is unsafe, the platform-specific
- * file must define AO_NO_DD_ORDERING.
- */
- #ifndef AO_ATOMIC_OPS_H
- # error This file should not be included directly.
- #endif
- /* Generate test_and_set_full, if necessary and possible. */
- #if !defined(AO_HAVE_test_and_set) && !defined(AO_HAVE_test_and_set_release) \
- && !defined(AO_HAVE_test_and_set_acquire) \
- && !defined(AO_HAVE_test_and_set_read) \
- && !defined(AO_HAVE_test_and_set_full)
- /* Emulate AO_compare_and_swap() via AO_fetch_compare_and_swap(). */
- # if defined(AO_HAVE_fetch_compare_and_swap) \
- && !defined(AO_HAVE_compare_and_swap)
- AO_INLINE int
- AO_compare_and_swap(volatile AO_t *addr, AO_t old_val, AO_t new_val)
- {
- return AO_fetch_compare_and_swap(addr, old_val, new_val) == old_val;
- }
- # define AO_HAVE_compare_and_swap
- # endif
- # if defined(AO_HAVE_fetch_compare_and_swap_full) \
- && !defined(AO_HAVE_compare_and_swap_full)
- AO_INLINE int
- AO_compare_and_swap_full(volatile AO_t *addr, AO_t old_val, AO_t new_val)
- {
- return AO_fetch_compare_and_swap_full(addr, old_val, new_val)
- == old_val;
- }
- # define AO_HAVE_compare_and_swap_full
- # endif
- # if defined(AO_HAVE_fetch_compare_and_swap_acquire) \
- && !defined(AO_HAVE_compare_and_swap_acquire)
- AO_INLINE int
- AO_compare_and_swap_acquire(volatile AO_t *addr, AO_t old_val,
- AO_t new_val)
- {
- return AO_fetch_compare_and_swap_acquire(addr, old_val, new_val)
- == old_val;
- }
- # define AO_HAVE_compare_and_swap_acquire
- # endif
- # if defined(AO_HAVE_fetch_compare_and_swap_release) \
- && !defined(AO_HAVE_compare_and_swap_release)
- AO_INLINE int
- AO_compare_and_swap_release(volatile AO_t *addr, AO_t old_val,
- AO_t new_val)
- {
- return AO_fetch_compare_and_swap_release(addr, old_val, new_val)
- == old_val;
- }
- # define AO_HAVE_compare_and_swap_release
- # endif
- # if AO_CHAR_TS_T
- # define AO_TS_COMPARE_AND_SWAP_FULL(a,o,n) \
- AO_char_compare_and_swap_full(a,o,n)
- # define AO_TS_COMPARE_AND_SWAP_ACQUIRE(a,o,n) \
- AO_char_compare_and_swap_acquire(a,o,n)
- # define AO_TS_COMPARE_AND_SWAP_RELEASE(a,o,n) \
- AO_char_compare_and_swap_release(a,o,n)
- # define AO_TS_COMPARE_AND_SWAP(a,o,n) AO_char_compare_and_swap(a,o,n)
- # endif
- # if AO_AO_TS_T
- # define AO_TS_COMPARE_AND_SWAP_FULL(a,o,n) AO_compare_and_swap_full(a,o,n)
- # define AO_TS_COMPARE_AND_SWAP_ACQUIRE(a,o,n) \
- AO_compare_and_swap_acquire(a,o,n)
- # define AO_TS_COMPARE_AND_SWAP_RELEASE(a,o,n) \
- AO_compare_and_swap_release(a,o,n)
- # define AO_TS_COMPARE_AND_SWAP(a,o,n) AO_compare_and_swap(a,o,n)
- # endif
- # if (AO_AO_TS_T && defined(AO_HAVE_compare_and_swap_full)) \
- || (AO_CHAR_TS_T && defined(AO_HAVE_char_compare_and_swap_full))
- AO_INLINE AO_TS_VAL_t
- AO_test_and_set_full(volatile AO_TS_t *addr)
- {
- if (AO_TS_COMPARE_AND_SWAP_FULL(addr, AO_TS_CLEAR, AO_TS_SET))
- return AO_TS_CLEAR;
- else
- return AO_TS_SET;
- }
- # define AO_HAVE_test_and_set_full
- # endif /* AO_HAVE_compare_and_swap_full */
- # if (AO_AO_TS_T && defined(AO_HAVE_compare_and_swap_acquire)) \
- || (AO_CHAR_TS_T && defined(AO_HAVE_char_compare_and_swap_acquire))
- AO_INLINE AO_TS_VAL_t
- AO_test_and_set_acquire(volatile AO_TS_t *addr)
- {
- if (AO_TS_COMPARE_AND_SWAP_ACQUIRE(addr, AO_TS_CLEAR, AO_TS_SET))
- return AO_TS_CLEAR;
- else
- return AO_TS_SET;
- }
- # define AO_HAVE_test_and_set_acquire
- # endif /* AO_HAVE_compare_and_swap_acquire */
- # if (AO_AO_TS_T && defined(AO_HAVE_compare_and_swap_release)) \
- || (AO_CHAR_TS_T && defined(AO_HAVE_char_compare_and_swap_release))
- AO_INLINE AO_TS_VAL_t
- AO_test_and_set_release(volatile AO_TS_t *addr)
- {
- if (AO_TS_COMPARE_AND_SWAP_RELEASE(addr, AO_TS_CLEAR, AO_TS_SET))
- return AO_TS_CLEAR;
- else
- return AO_TS_SET;
- }
- # define AO_HAVE_test_and_set_release
- # endif /* AO_HAVE_compare_and_swap_release */
- # if (AO_AO_TS_T && defined(AO_HAVE_compare_and_swap)) \
- || (AO_CHAR_TS_T && defined(AO_HAVE_char_compare_and_swap))
- AO_INLINE AO_TS_VAL_t
- AO_test_and_set(volatile AO_TS_t *addr)
- {
- if (AO_TS_COMPARE_AND_SWAP(addr, AO_TS_CLEAR, AO_TS_SET))
- return AO_TS_CLEAR;
- else
- return AO_TS_SET;
- }
- # define AO_HAVE_test_and_set
- # endif /* AO_HAVE_compare_and_swap */
- #endif /* No prior test and set */
- /* Nop */
- #if !defined(AO_HAVE_nop)
- AO_INLINE void AO_nop(void) {}
- # define AO_HAVE_nop
- #endif
- #if defined(AO_HAVE_test_and_set_full) && !defined(AO_HAVE_nop_full)
- AO_INLINE void
- AO_nop_full(void)
- {
- AO_TS_t dummy = AO_TS_INITIALIZER;
- AO_test_and_set_full(&dummy);
- }
- # define AO_HAVE_nop_full
- #endif
- #if defined(AO_HAVE_nop_acquire)
- # error AO_nop_acquire is useless: dont define.
- #endif
- #if defined(AO_HAVE_nop_release)
- # error AO_nop_release is useless: dont define.
- #endif
- #if defined(AO_HAVE_nop_full) && !defined(AO_HAVE_nop_read)
- # define AO_nop_read() AO_nop_full()
- # define AO_HAVE_nop_read
- #endif
- #if defined(AO_HAVE_nop_full) && !defined(AO_HAVE_nop_write)
- # define AO_nop_write() AO_nop_full()
- # define AO_HAVE_nop_write
- #endif
- /* Test_and_set */
- #if defined(AO_HAVE_test_and_set) && defined(AO_HAVE_nop_full) \
- && !defined(AO_HAVE_test_and_set_release)
- # define AO_test_and_set_release(addr) (AO_nop_full(), AO_test_and_set(addr))
- # define AO_HAVE_test_and_set_release
- #endif
- #if defined(AO_HAVE_test_and_set) && defined(AO_HAVE_nop_full) \
- && !defined(AO_HAVE_test_and_set_acquire)
- AO_INLINE AO_TS_VAL_t
- AO_test_and_set_acquire(volatile AO_TS_t *addr)
- {
- AO_TS_VAL_t result = AO_test_and_set(addr);
- AO_nop_full();
- return result;
- }
- # define AO_HAVE_test_and_set_acquire
- #endif
- #if defined(AO_HAVE_test_and_set_full)
- # if !defined(AO_HAVE_test_and_set_release)
- # define AO_test_and_set_release(addr) AO_test_and_set_full(addr)
- # define AO_HAVE_test_and_set_release
- # endif
- # if !defined(AO_HAVE_test_and_set_acquire)
- # define AO_test_and_set_acquire(addr) AO_test_and_set_full(addr)
- # define AO_HAVE_test_and_set_acquire
- # endif
- # if !defined(AO_HAVE_test_and_set_write)
- # define AO_test_and_set_write(addr) AO_test_and_set_full(addr)
- # define AO_HAVE_test_and_set_write
- # endif
- # if !defined(AO_HAVE_test_and_set_read)
- # define AO_test_and_set_read(addr) AO_test_and_set_full(addr)
- # define AO_HAVE_test_and_set_read
- # endif
- #endif /* AO_HAVE_test_and_set_full */
- #if !defined(AO_HAVE_test_and_set) && defined(AO_HAVE_test_and_set_release)
- # define AO_test_and_set(addr) AO_test_and_set_release(addr)
- # define AO_HAVE_test_and_set
- #endif
- #if !defined(AO_HAVE_test_and_set) && defined(AO_HAVE_test_and_set_acquire)
- # define AO_test_and_set(addr) AO_test_and_set_acquire(addr)
- # define AO_HAVE_test_and_set
- #endif
- #if !defined(AO_HAVE_test_and_set) && defined(AO_HAVE_test_and_set_write)
- # define AO_test_and_set(addr) AO_test_and_set_write(addr)
- # define AO_HAVE_test_and_set
- #endif
- #if !defined(AO_HAVE_test_and_set) && defined(AO_HAVE_test_and_set_read)
- # define AO_test_and_set(addr) AO_test_and_set_read(addr)
- # define AO_HAVE_test_and_set
- #endif
- #if defined(AO_HAVE_test_and_set_acquire) && defined(AO_HAVE_nop_full) \
- && !defined(AO_HAVE_test_and_set_full)
- # define AO_test_and_set_full(addr) \
- (AO_nop_full(), AO_test_and_set_acquire(addr))
- # define AO_HAVE_test_and_set_full
- #endif
- #if !defined(AO_HAVE_test_and_set_release_write) \
- && defined(AO_HAVE_test_and_set_write)
- # define AO_test_and_set_release_write(addr) AO_test_and_set_write(addr)
- # define AO_HAVE_test_and_set_release_write
- #endif
- #if !defined(AO_HAVE_test_and_set_release_write) \
- && defined(AO_HAVE_test_and_set_release)
- # define AO_test_and_set_release_write(addr) AO_test_and_set_release(addr)
- # define AO_HAVE_test_and_set_release_write
- #endif
- #if !defined(AO_HAVE_test_and_set_acquire_read) \
- && defined(AO_HAVE_test_and_set_read)
- # define AO_test_and_set_acquire_read(addr) AO_test_and_set_read(addr)
- # define AO_HAVE_test_and_set_acquire_read
- #endif
- #if !defined(AO_HAVE_test_and_set_acquire_read) \
- && defined(AO_HAVE_test_and_set_acquire)
- # define AO_test_and_set_acquire_read(addr) AO_test_and_set_acquire(addr)
- # define AO_HAVE_test_and_set_acquire_read
- #endif
- #ifdef AO_NO_DD_ORDERING
- # if defined(AO_HAVE_test_and_set_acquire_read)
- # define AO_test_and_set_dd_acquire_read(addr) \
- AO_test_and_set_acquire_read(addr)
- # define AO_HAVE_test_and_set_dd_acquire_read
- # endif
- #else
- # if defined(AO_HAVE_test_and_set)
- # define AO_test_and_set_dd_acquire_read(addr) AO_test_and_set(addr)
- # define AO_HAVE_test_and_set_dd_acquire_read
- # endif
- #endif /* !AO_NO_DD_ORDERING */
- #include "generalize-small.h"
- #include "generalize-arithm.h"
- /* Compare_double_and_swap_double based on double_compare_and_swap. */
- #ifdef AO_HAVE_DOUBLE_PTR_STORAGE
- # if defined(AO_HAVE_double_compare_and_swap) \
- && !defined(AO_HAVE_compare_double_and_swap_double)
- AO_INLINE int
- AO_compare_double_and_swap_double(volatile AO_double_t *addr,
- AO_t old_val1, AO_t old_val2,
- AO_t new_val1, AO_t new_val2)
- {
- AO_double_t old_w;
- AO_double_t new_w;
- old_w.AO_val1 = old_val1;
- old_w.AO_val2 = old_val2;
- new_w.AO_val1 = new_val1;
- new_w.AO_val2 = new_val2;
- return AO_double_compare_and_swap(addr, old_w, new_w);
- }
- # define AO_HAVE_compare_double_and_swap_double
- # endif
- # if defined(AO_HAVE_double_compare_and_swap_full) \
- && !defined(AO_HAVE_compare_double_and_swap_double_full)
- AO_INLINE int
- AO_compare_double_and_swap_double_full(volatile AO_double_t *addr,
- AO_t old_val1, AO_t old_val2,
- AO_t new_val1, AO_t new_val2)
- {
- AO_double_t old_w;
- AO_double_t new_w;
- old_w.AO_val1 = old_val1;
- old_w.AO_val2 = old_val2;
- new_w.AO_val1 = new_val1;
- new_w.AO_val2 = new_val2;
- return AO_double_compare_and_swap_full(addr, old_w, new_w);
- }
- # define AO_HAVE_compare_double_and_swap_double_full
- # endif
- #endif /* AO_HAVE_DOUBLE_PTR_STORAGE */
- /* Compare_double_and_swap_double */
- #if defined(AO_HAVE_compare_double_and_swap_double) \
- && defined(AO_HAVE_nop_full) \
- && !defined(AO_HAVE_compare_double_and_swap_double_acquire)
- AO_INLINE int
- AO_compare_double_and_swap_double_acquire(volatile AO_double_t *addr,
- AO_t o1, AO_t o2,
- AO_t n1, AO_t n2)
- {
- int result = AO_compare_double_and_swap_double(addr, o1, o2, n1, n2);
- AO_nop_full();
- return result;
- }
- # define AO_HAVE_compare_double_and_swap_double_acquire
- #endif
- #if defined(AO_HAVE_compare_double_and_swap_double) \
- && defined(AO_HAVE_nop_full) \
- && !defined(AO_HAVE_compare_double_and_swap_double_release)
- # define AO_compare_double_and_swap_double_release(addr,o1,o2,n1,n2) \
- (AO_nop_full(), AO_compare_double_and_swap_double(addr,o1,o2,n1,n2))
- # define AO_HAVE_compare_double_and_swap_double_release
- #endif
- #if defined(AO_HAVE_compare_double_and_swap_double_full)
- # if !defined(AO_HAVE_compare_double_and_swap_double_release)
- # define AO_compare_double_and_swap_double_release(addr,o1,o2,n1,n2) \
- AO_compare_double_and_swap_double_full(addr,o1,o2,n1,n2)
- # define AO_HAVE_compare_double_and_swap_double_release
- # endif
- # if !defined(AO_HAVE_compare_double_and_swap_double_acquire)
- # define AO_compare_double_and_swap_double_acquire(addr,o1,o2,n1,n2) \
- AO_compare_double_and_swap_double_full(addr,o1,o2,n1,n2)
- # define AO_HAVE_compare_double_and_swap_double_acquire
- # endif
- # if !defined(AO_HAVE_compare_double_and_swap_double_write)
- # define AO_compare_double_and_swap_double_write(addr,o1,o2,n1,n2) \
- AO_compare_double_and_swap_double_full(addr,o1,o2,n1,n2)
- # define AO_HAVE_compare_double_and_swap_double_write
- # endif
- # if !defined(AO_HAVE_compare_double_and_swap_double_read)
- # define AO_compare_double_and_swap_double_read(addr,o1,o2,n1,n2) \
- AO_compare_double_and_swap_double_full(addr,o1,o2,n1,n2)
- # define AO_HAVE_compare_double_and_swap_double_read
- # endif
- #endif /* AO_HAVE_compare_double_and_swap_double_full */
- #if !defined(AO_HAVE_compare_double_and_swap_double) \
- && defined(AO_HAVE_compare_double_and_swap_double_release)
- # define AO_compare_double_and_swap_double(addr,o1,o2,n1,n2) \
- AO_compare_double_and_swap_double_release(addr,o1,o2,n1,n2)
- # define AO_HAVE_compare_double_and_swap_double
- #endif
- #if !defined(AO_HAVE_compare_double_and_swap_double) \
- && defined(AO_HAVE_compare_double_and_swap_double_acquire)
- # define AO_compare_double_and_swap_double(addr,o1,o2,n1,n2) \
- AO_compare_double_and_swap_double_acquire(addr,o1,o2,n1,n2)
- # define AO_HAVE_compare_double_and_swap_double
- #endif
- #if !defined(AO_HAVE_compare_double_and_swap_double) \
- && defined(AO_HAVE_compare_double_and_swap_double_write)
- # define AO_compare_double_and_swap_double(addr,o1,o2,n1,n2) \
- AO_compare_double_and_swap_double_write(addr,o1,o2,n1,n2)
- # define AO_HAVE_compare_double_and_swap_double
- #endif
- #if !defined(AO_HAVE_compare_double_and_swap_double) \
- && defined(AO_HAVE_compare_double_and_swap_double_read)
- # define AO_compare_double_and_swap_double(addr,o1,o2,n1,n2) \
- AO_compare_double_and_swap_double_read(addr,o1,o2,n1,n2)
- # define AO_HAVE_compare_double_and_swap_double
- #endif
- #if defined(AO_HAVE_compare_double_and_swap_double_acquire) \
- && defined(AO_HAVE_nop_full) \
- && !defined(AO_HAVE_compare_double_and_swap_double_full)
- # define AO_compare_double_and_swap_double_full(addr,o1,o2,n1,n2) \
- (AO_nop_full(), \
- AO_compare_double_and_swap_double_acquire(addr,o1,o2,n1,n2))
- # define AO_HAVE_compare_double_and_swap_double_full
- #endif
- #if !defined(AO_HAVE_compare_double_and_swap_double_release_write) \
- && defined(AO_HAVE_compare_double_and_swap_double_write)
- # define AO_compare_double_and_swap_double_release_write(addr,o1,o2,n1,n2) \
- AO_compare_double_and_swap_double_write(addr,o1,o2,n1,n2)
- # define AO_HAVE_compare_double_and_swap_double_release_write
- #endif
- #if !defined(AO_HAVE_compare_double_and_swap_double_release_write) \
- && defined(AO_HAVE_compare_double_and_swap_double_release)
- # define AO_compare_double_and_swap_double_release_write(addr,o1,o2,n1,n2) \
- AO_compare_double_and_swap_double_release(addr,o1,o2,n1,n2)
- # define AO_HAVE_compare_double_and_swap_double_release_write
- #endif
- #if !defined(AO_HAVE_compare_double_and_swap_double_acquire_read) \
- && defined(AO_HAVE_compare_double_and_swap_double_read)
- # define AO_compare_double_and_swap_double_acquire_read(addr,o1,o2,n1,n2) \
- AO_compare_double_and_swap_double_read(addr,o1,o2,n1,n2)
- # define AO_HAVE_compare_double_and_swap_double_acquire_read
- #endif
- #if !defined(AO_HAVE_compare_double_and_swap_double_acquire_read) \
- && defined(AO_HAVE_compare_double_and_swap_double_acquire)
- # define AO_compare_double_and_swap_double_acquire_read(addr,o1,o2,n1,n2) \
- AO_compare_double_and_swap_double_acquire(addr,o1,o2,n1,n2)
- # define AO_HAVE_compare_double_and_swap_double_acquire_read
- #endif
- #ifdef AO_NO_DD_ORDERING
- # if defined(AO_HAVE_compare_double_and_swap_double_acquire_read)
- # define AO_compare_double_and_swap_double_dd_acquire_read(addr,o1,o2,n1,n2) \
- AO_compare_double_and_swap_double_acquire_read(addr,o1,o2,n1,n2)
- # define AO_HAVE_compare_double_and_swap_double_dd_acquire_read
- # endif
- #else
- # if defined(AO_HAVE_compare_double_and_swap_double)
- # define AO_compare_double_and_swap_double_dd_acquire_read(addr,o1,o2,n1,n2) \
- AO_compare_double_and_swap_double(addr,o1,o2,n1,n2)
- # define AO_HAVE_compare_double_and_swap_double_dd_acquire_read
- # endif
- #endif /* !AO_NO_DD_ORDERING */
- /* Compare_and_swap_double */
- #if defined(AO_HAVE_compare_and_swap_double) && defined(AO_HAVE_nop_full) \
- && !defined(AO_HAVE_compare_and_swap_double_acquire)
- AO_INLINE int
- AO_compare_and_swap_double_acquire(volatile AO_double_t *addr,
- AO_t o1,
- AO_t n1, AO_t n2)
- {
- int result = AO_compare_and_swap_double(addr, o1, n1, n2);
- AO_nop_full();
- return result;
- }
- # define AO_HAVE_compare_and_swap_double_acquire
- #endif
- #if defined(AO_HAVE_compare_and_swap_double) \
- && defined(AO_HAVE_nop_full) \
- && !defined(AO_HAVE_compare_and_swap_double_release)
- # define AO_compare_and_swap_double_release(addr,o1,n1,n2) \
- (AO_nop_full(), AO_compare_and_swap_double(addr,o1,n1,n2))
- # define AO_HAVE_compare_and_swap_double_release
- #endif
- #if defined(AO_HAVE_compare_and_swap_double_full)
- # if !defined(AO_HAVE_compare_and_swap_double_release)
- # define AO_compare_and_swap_double_release(addr,o1,n1,n2) \
- AO_compare_and_swap_double_full(addr,o1,n1,n2)
- # define AO_HAVE_compare_and_swap_double_release
- # endif
- # if !defined(AO_HAVE_compare_and_swap_double_acquire)
- # define AO_compare_and_swap_double_acquire(addr,o1,n1,n2) \
- AO_compare_and_swap_double_full(addr,o1,n1,n2)
- # define AO_HAVE_compare_and_swap_double_acquire
- # endif
- # if !defined(AO_HAVE_compare_and_swap_double_write)
- # define AO_compare_and_swap_double_write(addr,o1,n1,n2) \
- AO_compare_and_swap_double_full(addr,o1,n1,n2)
- # define AO_HAVE_compare_and_swap_double_write
- # endif
- # if !defined(AO_HAVE_compare_and_swap_double_read)
- # define AO_compare_and_swap_double_read(addr,o1,n1,n2) \
- AO_compare_and_swap_double_full(addr,o1,n1,n2)
- # define AO_HAVE_compare_and_swap_double_read
- # endif
- #endif /* AO_HAVE_compare_and_swap_double_full */
- #if !defined(AO_HAVE_compare_and_swap_double) \
- && defined(AO_HAVE_compare_and_swap_double_release)
- # define AO_compare_and_swap_double(addr,o1,n1,n2) \
- AO_compare_and_swap_double_release(addr,o1,n1,n2)
- # define AO_HAVE_compare_and_swap_double
- #endif
- #if !defined(AO_HAVE_compare_and_swap_double) \
- && defined(AO_HAVE_compare_and_swap_double_acquire)
- # define AO_compare_and_swap_double(addr,o1,n1,n2) \
- AO_compare_and_swap_double_acquire(addr,o1,n1,n2)
- # define AO_HAVE_compare_and_swap_double
- #endif
- #if !defined(AO_HAVE_compare_and_swap_double) \
- && defined(AO_HAVE_compare_and_swap_double_write)
- # define AO_compare_and_swap_double(addr,o1,n1,n2) \
- AO_compare_and_swap_double_write(addr,o1,n1,n2)
- # define AO_HAVE_compare_and_swap_double
- #endif
- #if !defined(AO_HAVE_compare_and_swap_double) \
- && defined(AO_HAVE_compare_and_swap_double_read)
- # define AO_compare_and_swap_double(addr,o1,n1,n2) \
- AO_compare_and_swap_double_read(addr,o1,n1,n2)
- # define AO_HAVE_compare_and_swap_double
- #endif
- #if defined(AO_HAVE_compare_and_swap_double_acquire) \
- && defined(AO_HAVE_nop_full) \
- && !defined(AO_HAVE_compare_and_swap_double_full)
- # define AO_compare_and_swap_double_full(addr,o1,n1,n2) \
- (AO_nop_full(), AO_compare_and_swap_double_acquire(addr,o1,n1,n2))
- # define AO_HAVE_compare_and_swap_double_full
- #endif
- #if !defined(AO_HAVE_compare_and_swap_double_release_write) \
- && defined(AO_HAVE_compare_and_swap_double_write)
- # define AO_compare_and_swap_double_release_write(addr,o1,n1,n2) \
- AO_compare_and_swap_double_write(addr,o1,n1,n2)
- # define AO_HAVE_compare_and_swap_double_release_write
- #endif
- #if !defined(AO_HAVE_compare_and_swap_double_release_write) \
- && defined(AO_HAVE_compare_and_swap_double_release)
- # define AO_compare_and_swap_double_release_write(addr,o1,n1,n2) \
- AO_compare_and_swap_double_release(addr,o1,n1,n2)
- # define AO_HAVE_compare_and_swap_double_release_write
- #endif
- #if !defined(AO_HAVE_compare_and_swap_double_acquire_read) \
- && defined(AO_HAVE_compare_and_swap_double_read)
- # define AO_compare_and_swap_double_acquire_read(addr,o1,n1,n2) \
- AO_compare_and_swap_double_read(addr,o1,n1,n2)
- # define AO_HAVE_compare_and_swap_double_acquire_read
- #endif
- #if !defined(AO_HAVE_compare_and_swap_double_acquire_read) \
- && defined(AO_HAVE_compare_and_swap_double_acquire)
- # define AO_compare_and_swap_double_acquire_read(addr,o1,n1,n2) \
- AO_compare_and_swap_double_acquire(addr,o1,n1,n2)
- # define AO_HAVE_compare_and_swap_double_acquire_read
- #endif
- #ifdef AO_NO_DD_ORDERING
- # if defined(AO_HAVE_compare_and_swap_double_acquire_read)
- # define AO_compare_and_swap_double_dd_acquire_read(addr,o1,n1,n2) \
- AO_compare_and_swap_double_acquire_read(addr,o1,n1,n2)
- # define AO_HAVE_compare_and_swap_double_dd_acquire_read
- # endif
- #else
- # if defined(AO_HAVE_compare_and_swap_double)
- # define AO_compare_and_swap_double_dd_acquire_read(addr,o1,n1,n2) \
- AO_compare_and_swap_double(addr,o1,n1,n2)
- # define AO_HAVE_compare_and_swap_double_dd_acquire_read
- # endif
- #endif
- /* Convenience functions for AO_double compare-and-swap which types and */
- /* reads easier in code. */
- #if defined(AO_HAVE_compare_double_and_swap_double) \
- && !defined(AO_HAVE_double_compare_and_swap)
- AO_INLINE int
- AO_double_compare_and_swap(volatile AO_double_t *addr,
- AO_double_t old_val, AO_double_t new_val)
- {
- return AO_compare_double_and_swap_double(addr,
- old_val.AO_val1, old_val.AO_val2,
- new_val.AO_val1, new_val.AO_val2);
- }
- # define AO_HAVE_double_compare_and_swap
- #endif
- #if defined(AO_HAVE_compare_double_and_swap_double_release) \
- && !defined(AO_HAVE_double_compare_and_swap_release)
- AO_INLINE int
- AO_double_compare_and_swap_release(volatile AO_double_t *addr,
- AO_double_t old_val, AO_double_t new_val)
- {
- return AO_compare_double_and_swap_double_release(addr,
- old_val.AO_val1, old_val.AO_val2,
- new_val.AO_val1, new_val.AO_val2);
- }
- # define AO_HAVE_double_compare_and_swap_release
- #endif
- #if defined(AO_HAVE_compare_double_and_swap_double_acquire) \
- && !defined(AO_HAVE_double_compare_and_swap_acquire)
- AO_INLINE int
- AO_double_compare_and_swap_acquire(volatile AO_double_t *addr,
- AO_double_t old_val, AO_double_t new_val)
- {
- return AO_compare_double_and_swap_double_acquire(addr,
- old_val.AO_val1, old_val.AO_val2,
- new_val.AO_val1, new_val.AO_val2);
- }
- # define AO_HAVE_double_compare_and_swap_acquire
- #endif
- #if defined(AO_HAVE_compare_double_and_swap_double_read) \
- && !defined(AO_HAVE_double_compare_and_swap_read)
- AO_INLINE int
- AO_double_compare_and_swap_read(volatile AO_double_t *addr,
- AO_double_t old_val, AO_double_t new_val)
- {
- return AO_compare_double_and_swap_double_read(addr,
- old_val.AO_val1, old_val.AO_val2,
- new_val.AO_val1, new_val.AO_val2);
- }
- # define AO_HAVE_double_compare_and_swap_read
- #endif
- #if defined(AO_HAVE_compare_double_and_swap_double_write) \
- && !defined(AO_HAVE_double_compare_and_swap_write)
- AO_INLINE int
- AO_double_compare_and_swap_write(volatile AO_double_t *addr,
- AO_double_t old_val, AO_double_t new_val)
- {
- return AO_compare_double_and_swap_double_write(addr,
- old_val.AO_val1, old_val.AO_val2,
- new_val.AO_val1, new_val.AO_val2);
- }
- # define AO_HAVE_double_compare_and_swap_write
- #endif
- #if defined(AO_HAVE_compare_double_and_swap_double_release_write) \
- && !defined(AO_HAVE_double_compare_and_swap_release_write)
- AO_INLINE int
- AO_double_compare_and_swap_release_write(volatile AO_double_t *addr,
- AO_double_t old_val, AO_double_t new_val)
- {
- return AO_compare_double_and_swap_double_release_write(addr,
- old_val.AO_val1, old_val.AO_val2,
- new_val.AO_val1, new_val.AO_val2);
- }
- # define AO_HAVE_double_compare_and_swap_release_write
- #endif
- #if defined(AO_HAVE_compare_double_and_swap_double_acquire_read) \
- && !defined(AO_HAVE_double_compare_and_swap_acquire_read)
- AO_INLINE int
- AO_double_compare_and_swap_acquire_read(volatile AO_double_t *addr,
- AO_double_t old_val, AO_double_t new_val)
- {
- return AO_compare_double_and_swap_double_acquire_read(addr,
- old_val.AO_val1, old_val.AO_val2,
- new_val.AO_val1, new_val.AO_val2);
- }
- # define AO_HAVE_double_compare_and_swap_acquire_read
- #endif
- #if defined(AO_HAVE_compare_double_and_swap_double_full) \
- && !defined(AO_HAVE_double_compare_and_swap_full)
- AO_INLINE int
- AO_double_compare_and_swap_full(volatile AO_double_t *addr,
- AO_double_t old_val, AO_double_t new_val)
- {
- return AO_compare_double_and_swap_double_full(addr,
- old_val.AO_val1, old_val.AO_val2,
- new_val.AO_val1, new_val.AO_val2);
- }
- # define AO_HAVE_double_compare_and_swap_full
- #endif
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