Attachment 207127 Details for Bug 239981 – File from mariadb 10.4.6: include/atomic/gcc_sync.h

File from mariadb 10.4.6: include/atomic/gcc_sync.h

gcc_sync.h (text/plain), 2.70 KB, created by Vladimir Druzenko on 2019-09-02 23:42:34 UTC

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Creator: Vladimir Druzenko

Created: 2019-09-02 23:42:34 UTC

Size: 2.70 KB

patch

obsolete

>#ifndef GCC_SYNC_INCLUDED
>#define GCC_SYNC_INCLUDED
>
>/* Copyright (c) 2008, 2016, Oracle and/or its affiliates. All rights reserved.
>
>   This program is free software; you can redistribute it and/or modify
>   it under the terms of the GNU General Public License as published by
>   the Free Software Foundation; version 2 of the License.
>
>   This program is distributed in the hope that it will be useful,
>   but WITHOUT ANY WARRANTY; without even the implied warranty of
>   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
>   GNU General Public License for more details.
>
>   You should have received a copy of the GNU General Public License
>   along with this program; if not, write to the Free Software
>   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */
>
>/* Old GCC __sync builtins introduced in GCC 4.1 */
>
>static inline int my_atomic_cas32(int32 volatile *a, int32 *cmp, int32 set)
>{
>  int32 cmp_val= *cmp;
>  int32 sav= __sync_val_compare_and_swap(a, cmp_val, set);
>  int ret= (sav == cmp_val);
>  if (!ret)
>    *cmp = sav;
>  return ret;
>}
>
>static inline int my_atomic_cas64(int64 volatile *a, int64 *cmp, int64 set)
>{
>  int64 cmp_val= *cmp;
>  int64 sav= __sync_val_compare_and_swap(a, cmp_val, set);
>  int ret= (sav == cmp_val);
>  if (!ret)
>    *cmp = sav;
>  return ret;
>}
>
>static inline int my_atomic_casptr(void * volatile *a, void **cmp, void *set)
>{
>  void *cmp_val= *cmp;
>  void *sav= __sync_val_compare_and_swap(a, cmp_val, set);
>  int ret= (sav == cmp_val);
>  if (!ret)
>    *cmp = sav;
>  return ret;
>}
>
>static inline int32 my_atomic_add32(int32 volatile *a, int32 v)
>{
>  return __sync_fetch_and_add(a, v);
>}
>
>static inline int64 my_atomic_add64(int64 volatile *a, int64 v)
>{
>  return __sync_fetch_and_add(a, v);
>}
>
>static inline int32 my_atomic_fas32(int32 volatile *a, int32 v)
>{
>  return __sync_lock_test_and_set(a, v);
>}
>
>static inline int64 my_atomic_fas64(int64 volatile *a, int64 v)
>{
>  return __sync_lock_test_and_set(a, v);
>}
>
>static inline void * my_atomic_fasptr(void * volatile *a, void * v)
>{
>  return __sync_lock_test_and_set(a, v);
>}
>
>static inline int32 my_atomic_load32(int32 volatile *a)
>{
>  return __sync_fetch_and_or(a, 0);
>}
>
>static inline int64 my_atomic_load64(int64 volatile *a)
>{
>  return __sync_fetch_and_or(a, 0);
>}
>
>static inline void* my_atomic_loadptr(void * volatile *a)
>{
>  return __sync_fetch_and_or(a, 0);
>}
>
>static inline void my_atomic_store32(int32 volatile *a, int32 v)
>{
>  (void) __sync_lock_test_and_set(a, v);
>}
>
>static inline void my_atomic_store64(int64 volatile *a, int64 v)
>{
>  (void) __sync_lock_test_and_set(a, v);
>}
>
>static inline void my_atomic_storeptr(void * volatile *a, void *v)
>{
>  (void) __sync_lock_test_and_set(a, v);
>}
>
>#endif /* GCC_SYNC_INCLUDED */

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Attachments on bug 239981: 207126 | 207127