\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5×\D6?\BDê\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2€ \00 $\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4ê\E9\F2á\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// File Manager

File Manager

Path: /usr/include/mysql/server/private/atomic/

Viewing File: gcc_sync.h

#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 */