Permalink
Show file tree
Hide file tree
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Browse files
MDEV-13728 - Import MySQL 5.7 atomic operations for MSVC and Solaris
gcc_sync.h, solaris.h, generic-msvc.h copied verbatim.
- Loading branch information
Sergey Vojtovich
committed
Nov 27, 2017
1 parent
62fb022
commit 1029b22
Showing
6 changed files
with
304 additions
and
261 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| #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 */ |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.