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New file missed in my atomic patch
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Mikael Ronstrom
commit
d2925f5e43
1 changed files with 210 additions and 0 deletions
210
include/atomic/solaris.h
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210
include/atomic/solaris.h
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/* Copyright (C) 2008 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#include <atomic.h>
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#define MY_ATOMIC_MODE "solaris-atomic"
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/*
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* This is defined to indicate we fully define the my_atomic_* (inline)
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* functions here, so there is no need to "make" them in my_atomic.h
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* using make_atomic_* and make_atomic_*_body.
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*/
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#define MY_ATOMICS_MADE
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STATIC_INLINE int
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my_atomic_cas8(int8 volatile *a, int8 *cmp, int8 set)
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{
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int ret;
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int8 sav;
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sav = (int8) atomic_cas_8((volatile uint8_t *)a, (uint8_t)*cmp,
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(uint8_t)set);
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if (! (ret = (sav == *cmp)))
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*cmp = sav;
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return ret;
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}
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STATIC_INLINE int
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my_atomic_cas16(int16 volatile *a, int16 *cmp, int16 set)
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{
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int ret;
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int16 sav;
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sav = (int16) atomic_cas_16((volatile uint16_t *)a, (uint16_t)*cmp,
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(uint16_t)set);
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if (! (ret = (sav == *cmp)))
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*cmp = sav;
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return ret;
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}
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STATIC_INLINE int
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my_atomic_cas32(int32 volatile *a, int32 *cmp, int32 set)
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{
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int ret;
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int32 sav;
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sav = (int32) atomic_cas_32((volatile uint32_t *)a, (uint32_t)*cmp,
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(uint32_t)set);
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if (! (ret = (sav == *cmp)))
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*cmp = sav;
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return ret;
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}
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STATIC_INLINE int
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my_atomic_casptr(void * volatile *a, void **cmp, void *set)
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{
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int ret;
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void *sav;
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sav = atomic_cas_ptr(a, *cmp, set);
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if (! (ret = (sav == *cmp)))
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*cmp = sav;
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return ret;
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}
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/* ------------------------------------------------------------------------ */
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STATIC_INLINE int8
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my_atomic_add8(int8 volatile *a, int8 v)
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{
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int8 nv;
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nv = atomic_add_8_nv((volatile uint8_t *)a, v);
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return (nv - v);
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}
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STATIC_INLINE int16
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my_atomic_add16(int16 volatile *a, int16 v)
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{
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int16 nv;
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nv = atomic_add_16_nv((volatile uint16_t *)a, v);
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return (nv - v);
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}
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STATIC_INLINE int32
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my_atomic_add32(int32 volatile *a, int32 v)
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{
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int32 nv;
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nv = atomic_add_32_nv((volatile uint32_t *)a, v);
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return (nv - v);
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}
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/* ------------------------------------------------------------------------ */
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#ifdef MY_ATOMIC_MODE_DUMMY
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STATIC_INLINE int8
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my_atomic_load8(int8 volatile *a) { return (*a); }
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STATIC_INLINE int16
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my_atomic_load16(int16 volatile *a) { return (*a); }
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STATIC_INLINE int32
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my_atomic_load32(int32 volatile *a) { return (*a); }
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STATIC_INLINE void *
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my_atomic_loadptr(void * volatile *a) { return (*a); }
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/* ------------------------------------------------------------------------ */
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STATIC_INLINE void
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my_atomic_store8(int8 volatile *a, int8 v) { *a = v; }
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STATIC_INLINE void
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my_atomic_store16(int16 volatile *a, int16 v) { *a = v; }
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STATIC_INLINE void
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my_atomic_store32(int32 volatile *a, int32 v) { *a = v; }
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STATIC_INLINE void
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my_atomic_storeptr(void * volatile *a, void *v) { *a = v; }
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/* ------------------------------------------------------------------------ */
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#else /* MY_ATOMIC_MODE_DUMMY */
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STATIC_INLINE int8
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my_atomic_load8(int8 volatile *a)
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{
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return ((int8) atomic_or_8_nv((volatile uint8_t *)a, 0));
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}
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STATIC_INLINE int16
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my_atomic_load16(int16 volatile *a)
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{
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return ((int16) atomic_or_16_nv((volatile uint16_t *)a, 0));
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}
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STATIC_INLINE int32
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my_atomic_load32(int32 volatile *a)
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{
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return ((int32) atomic_or_32_nv((volatile uint32_t *)a, 0));
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}
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STATIC_INLINE void *
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my_atomic_loadptr(void * volatile *a)
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{
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return ((void *) atomic_or_ulong_nv((volatile ulong_t *)a, 0));
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}
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/* ------------------------------------------------------------------------ */
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STATIC_INLINE void
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my_atomic_store8(int8 volatile *a, int8 v)
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{
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(void) atomic_swap_8((volatile uint8_t *)a, (uint8_t)v);
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}
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STATIC_INLINE void
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my_atomic_store16(int16 volatile *a, int16 v)
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{
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(void) atomic_swap_16((volatile uint16_t *)a, (uint16_t)v);
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}
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STATIC_INLINE void
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my_atomic_store32(int32 volatile *a, int32 v)
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{
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(void) atomic_swap_32((volatile uint32_t *)a, (uint32_t)v);
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}
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STATIC_INLINE void
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my_atomic_storeptr(void * volatile *a, void *v)
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{
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(void) atomic_swap_ptr(a, v);
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}
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#endif
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/* ------------------------------------------------------------------------ */
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STATIC_INLINE int8
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my_atomic_swap8(int8 volatile *a, int8 v)
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{
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return ((int8) atomic_swap_8((volatile uint8_t *)a, (uint8_t)v));
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}
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STATIC_INLINE int16
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my_atomic_swap16(int16 volatile *a, int16 v)
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{
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return ((int16) atomic_swap_16((volatile uint16_t *)a, (uint16_t)v));
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}
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STATIC_INLINE int32
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my_atomic_swap32(int32 volatile *a, int32 v)
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{
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return ((int32) atomic_swap_32((volatile uint32_t *)a, (uint32_t)v));
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}
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STATIC_INLINE void *
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my_atomic_swapptr(void * volatile *a, void *v)
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{
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return (atomic_swap_ptr(a, v));
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}
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