database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-08-08 11:22:35 +03:00
Code Activity

WL#2595 kernel-independent atomic operations

Browse Source 
Backport from 6.0.14 to 5.6.0

Original code from Sergei Golubchik
This commit is contained in:
Marc Alff
2009-11-17 17:11:32 -07:00
parent 7d59878096
commit 382ae22290
14 changed files with 681 additions and 288 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
include/atomic/gcc_builtins.h
View File

@@ -18,7 +18,7 @@
#define make_atomic_add_body(S) \
v= __sync_fetch_and_add(a, v);
#define make_atomic_swap_body(S) \
#define make_atomic_fas_body(S) \
v= __sync_lock_test_and_set(a, v);
#define make_atomic_cas_body(S) \
int ## S sav; \
@@ -28,7 +28,10 @@
#ifdef MY_ATOMIC_MODE_DUMMY
#define make_atomic_load_body(S) ret= *a
#define make_atomic_store_body(S) *a= v
#define MY_ATOMIC_MODE "gcc-builtins-up"
#else
#define MY_ATOMIC_MODE "gcc-builtins-smp"
#define make_atomic_load_body(S) \
ret= __sync_fetch_and_or(a, 0);
#define make_atomic_store_body(S) \