diff options
author | Xanadu <none@none> | 2010-07-20 02:49:28 +0200 |
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committer | Xanadu <none@none> | 2010-07-20 02:49:28 +0200 |
commit | 79622802f397258ee0f34327ba3ae6977ca3e7ff (patch) | |
tree | 1868946c234ab9ee256a6b7766a15713eae94235 /externals/mysql/mysys/my_atomic.c | |
parent | 7dd2dc91816ab8b3bc3b99a1b1c99c7ea314d5a8 (diff) | |
parent | f906976837502fa5aa81b982b901d1509f5aa0c4 (diff) |
Merge. Revision history for source files should be all back now.
--HG--
branch : trunk
rename : sql/CMakeLists.txt => sql/tools/CMakeLists.txt
rename : src/server/game/Pools/PoolHandler.cpp => src/server/game/Pools/PoolMgr.cpp
rename : src/server/game/Pools/PoolHandler.h => src/server/game/Pools/PoolMgr.h
rename : src/server/game/PrecompiledHeaders/NixCorePCH.cpp => src/server/game/PrecompiledHeaders/gamePCH.cpp
rename : src/server/game/PrecompiledHeaders/NixCorePCH.h => src/server/game/PrecompiledHeaders/gamePCH.h
Diffstat (limited to 'externals/mysql/mysys/my_atomic.c')
-rw-r--r-- | externals/mysql/mysys/my_atomic.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/externals/mysql/mysys/my_atomic.c b/externals/mysql/mysys/my_atomic.c new file mode 100644 index 00000000000..df6490b5770 --- /dev/null +++ b/externals/mysql/mysys/my_atomic.c @@ -0,0 +1,45 @@ +/* Copyright (C) 2006 MySQL AB + + 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ + +#include <my_global.h> +#include <my_sys.h> + +#ifndef HAVE_INLINE +/* the following will cause all inline functions to be instantiated */ +#define HAVE_INLINE +#undef STATIC_INLINE +#define STATIC_INLINE extern +#endif + +#include <my_atomic.h> + +/* + checks that the current build of atomic ops + can run on this machine + + RETURN + ATOMIC_xxx values, see my_atomic.h +*/ +int my_atomic_initialize() +{ + compile_time_assert(sizeof(intptr) == sizeof(void *)); + /* currently the only thing worth checking is SMP/UP issue */ +#ifdef MY_ATOMIC_MODE_DUMMY + return my_getncpus() == 1 ? MY_ATOMIC_OK : MY_ATOMIC_NOT_1CPU; +#else + return MY_ATOMIC_OK; +#endif +} + |