From 72e7f011b29998d8a3e15eb5b381ef962af5fe5b Mon Sep 17 00:00:00 2001 From: Karen Arutyunov Date: Fri, 5 Apr 2019 10:30:58 +0300 Subject: Upgrade to 8.0.15 --- mysql/my_atomic.h | 76 ------------------------------------------------------- 1 file changed, 76 deletions(-) delete mode 100644 mysql/my_atomic.h (limited to 'mysql/my_atomic.h') diff --git a/mysql/my_atomic.h b/mysql/my_atomic.h deleted file mode 100644 index 065209d..0000000 --- a/mysql/my_atomic.h +++ /dev/null @@ -1,76 +0,0 @@ -#ifndef MY_ATOMIC_INCLUDED -#define MY_ATOMIC_INCLUDED - -/* Copyright (c) 2006, 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 */ - -/* - This header defines five atomic operations: - - my_atomic_add#(&var, what) - 'Fetch and Add' - add 'what' to *var, and return the old value of *var - - my_atomic_fas#(&var, what) - 'Fetch And Store' - store 'what' in *var, and return the old value of *var - - my_atomic_cas#(&var, &old, new) - An odd variation of 'Compare And Set/Swap' - if *var is equal to *old, then store 'new' in *var, and return TRUE - otherwise store *var in *old, and return FALSE - Usually, &old should not be accessed if the operation is successful. - - my_atomic_load#(&var) - return *var - - my_atomic_store#(&var, what) - store 'what' in *var - - '#' is substituted by a size suffix - 32, 64, or ptr - (e.g. my_atomic_add64, my_atomic_fas32, my_atomic_casptr). -*/ - -/* - We choose implementation as follows: - ------------------------------------ - On Windows using Visual C++ the native implementation should be - preferrable. When using gcc we prefer the Solaris implementation - before the gcc because of stability preference, we choose gcc - builtins if available. If neither Visual C++ or gcc we still choose - the Solaris implementation on Solaris (mainly for SunStudio compilers). -*/ -#if defined(_MSC_VER) -# include "atomic/generic-msvc.h" -#elif defined(HAVE_SOLARIS_ATOMIC) -# include "atomic/solaris.h" -#elif defined(HAVE_GCC_SYNC_BUILTINS) /* Use old __sync by default */ -# include "atomic/gcc_sync.h" -#elif defined(HAVE_GCC_ATOMIC_BUILTINS) /* Use __atomic on e.g. powerpc */ -# include "atomic/gcc_atomic.h" -#else -# error Native atomics support not found! -#endif - -/* - the macro below defines (as an expression) the code that - will be run in spin-loops. Intel manuals recummend to have PAUSE there. - It is expected to be defined in include/atomic/ *.h files -*/ -#ifndef LF_BACKOFF -#define LF_BACKOFF (1) -#endif - -#endif /* MY_ATOMIC_INCLUDED */ -- cgit v1.1