summaryrefslogtreecommitdiff
path: root/mysql/atomic
diff options
context:
space:
mode:
Diffstat (limited to 'mysql/atomic')
-rw-r--r--mysql/atomic/gcc_atomic.h94
-rw-r--r--mysql/atomic/gcc_sync.h106
-rw-r--r--mysql/atomic/generic-msvc.h135
-rw-r--r--mysql/atomic/solaris.h117
4 files changed, 0 insertions, 452 deletions
diff --git a/mysql/atomic/gcc_atomic.h b/mysql/atomic/gcc_atomic.h
deleted file mode 100644
index 8807857..0000000
--- a/mysql/atomic/gcc_atomic.h
+++ /dev/null
@@ -1,94 +0,0 @@
-#ifndef GCC_ATOMIC_INCLUDED
-#define GCC_ATOMIC_INCLUDED
-
-/* Copyright (c) 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 */
-
-/* New GCC __atomic builtins introduced in GCC 4.7 */
-
-static inline int my_atomic_cas32(int32 volatile *a, int32 *cmp, int32 set)
-{
- return __atomic_compare_exchange_n(a, cmp, set, 0,
- __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST);
-}
-
-static inline int my_atomic_cas64(int64 volatile *a, int64 *cmp, int64 set)
-{
- return __atomic_compare_exchange_n(a, cmp, set, 0,
- __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST);
-}
-
-static inline int my_atomic_casptr(void * volatile *a, void **cmp, void *set)
-{
- return __atomic_compare_exchange_n(a, cmp, set, 0,
- __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST);
-}
-
-static inline int32 my_atomic_add32(int32 volatile *a, int32 v)
-{
- return __atomic_fetch_add(a, v, __ATOMIC_SEQ_CST);
-}
-
-static inline int64 my_atomic_add64(int64 volatile *a, int64 v)
-{
- return __atomic_fetch_add(a, v, __ATOMIC_SEQ_CST);
-}
-
-static inline int32 my_atomic_fas32(int32 volatile *a, int32 v)
-{
- return __atomic_exchange_n(a, v, __ATOMIC_SEQ_CST);
-}
-
-static inline int64 my_atomic_fas64(int64 volatile *a, int64 v)
-{
- return __atomic_exchange_n(a, v, __ATOMIC_SEQ_CST);
-}
-
-static inline void * my_atomic_fasptr(void * volatile *a, void * v)
-{
- return __atomic_exchange_n(a, v, __ATOMIC_SEQ_CST);
-}
-
-static inline int32 my_atomic_load32(int32 volatile *a)
-{
- return __atomic_load_n(a, __ATOMIC_SEQ_CST);
-}
-
-static inline int64 my_atomic_load64(int64 volatile *a)
-{
- return __atomic_load_n(a, __ATOMIC_SEQ_CST);
-}
-
-static inline void* my_atomic_loadptr(void * volatile *a)
-{
- return __atomic_load_n(a, __ATOMIC_SEQ_CST);
-}
-
-static inline void my_atomic_store32(int32 volatile *a, int32 v)
-{
- __atomic_store_n(a, v, __ATOMIC_SEQ_CST);
-}
-
-static inline void my_atomic_store64(int64 volatile *a, int64 v)
-{
- __atomic_store_n(a, v, __ATOMIC_SEQ_CST);
-}
-
-static inline void my_atomic_storeptr(void * volatile *a, void *v)
-{
- __atomic_store_n(a, v, __ATOMIC_SEQ_CST);
-}
-
-#endif /* GCC_ATOMIC_INCLUDED */
diff --git a/mysql/atomic/gcc_sync.h b/mysql/atomic/gcc_sync.h
deleted file mode 100644
index 82eea35..0000000
--- a/mysql/atomic/gcc_sync.h
+++ /dev/null
@@ -1,106 +0,0 @@
-#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 */
diff --git a/mysql/atomic/generic-msvc.h b/mysql/atomic/generic-msvc.h
deleted file mode 100644
index 9fe2cdd..0000000
--- a/mysql/atomic/generic-msvc.h
+++ /dev/null
@@ -1,135 +0,0 @@
-#ifndef ATOMIC_MSC_INCLUDED
-#define ATOMIC_MSC_INCLUDED
-
-/* Copyright (c) 2006, 2014, 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 */
-
-#include <windows.h>
-
-static inline int my_atomic_cas32(int32 volatile *a, int32 *cmp, int32 set)
-{
- int32 initial_cmp= *cmp;
- int32 initial_a= InterlockedCompareExchange((volatile LONG*)a,
- set, initial_cmp);
- int ret= (initial_a == initial_cmp);
- if (!ret)
- *cmp= initial_a;
- return ret;
-}
-
-static inline int my_atomic_cas64(int64 volatile *a, int64 *cmp, int64 set)
-{
- int64 initial_cmp= *cmp;
- int64 initial_a= InterlockedCompareExchange64((volatile LONGLONG*)a,
- (LONGLONG)set,
- (LONGLONG)initial_cmp);
- int ret= (initial_a == initial_cmp);
- if (!ret)
- *cmp= initial_a;
- return ret;
-}
-
-static inline int my_atomic_casptr(void * volatile *a, void **cmp, void *set)
-{
- void *initial_cmp= *cmp;
- void *initial_a= InterlockedCompareExchangePointer(a, set, initial_cmp);
- int ret= (initial_a == initial_cmp);
- if (!ret)
- *cmp= initial_a;
- return ret;
-}
-
-static inline int32 my_atomic_add32(int32 volatile *a, int32 v)
-{
- return (int32)InterlockedExchangeAdd((volatile LONG*)a, v);
-}
-
-static inline int64 my_atomic_add64(int64 volatile *a, int64 v)
-{
- return (int64)InterlockedExchangeAdd64((volatile LONGLONG*)a, (LONGLONG)v);
-}
-
-static inline int32 my_atomic_load32(int32 volatile *a)
-{
- return (int32)InterlockedCompareExchange((volatile LONG *)a, 0, 0);
-}
-
-static inline int64 my_atomic_load64(int64 volatile *a)
-{
- return (int64)InterlockedCompareExchange64((volatile LONGLONG *)a, 0, 0);
-}
-
-static inline void* my_atomic_loadptr(void * volatile *a)
-{
- return InterlockedCompareExchangePointer(a, 0, 0);
-}
-
-static inline int32 my_atomic_fas32(int32 volatile *a, int32 v)
-{
- return (int32)InterlockedExchange((volatile LONG*)a, v);
-}
-
-static inline int64 my_atomic_fas64(int64 volatile *a, int64 v)
-{
- return (int64)InterlockedExchange64((volatile LONGLONG*)a, v);
-}
-
-static inline void * my_atomic_fasptr(void * volatile *a, void * v)
-{
- return InterlockedExchangePointer(a, v);
-}
-
-static inline void my_atomic_store32(int32 volatile *a, int32 v)
-{
- (void)InterlockedExchange((volatile LONG*)a, v);
-}
-
-static inline void my_atomic_store64(int64 volatile *a, int64 v)
-{
- (void)InterlockedExchange64((volatile LONGLONG*)a, v);
-}
-
-static inline void my_atomic_storeptr(void * volatile *a, void *v)
-{
- (void)InterlockedExchangePointer(a, v);
-}
-
-
-/*
- my_yield_processor (equivalent of x86 PAUSE instruction) should be used
- to improve performance on hyperthreaded CPUs. Intel recommends to use it in
- spin loops also on non-HT machines to reduce power consumption (see e.g
- http://softwarecommunity.intel.com/articles/eng/2004.htm)
-
- Running benchmarks for spinlocks implemented with InterlockedCompareExchange
- and YieldProcessor shows that much better performance is achieved by calling
- YieldProcessor in a loop - that is, yielding longer. On Intel boxes setting
- loop count in the range 200-300 brought best results.
- */
-#define YIELD_LOOPS 200
-
-static inline int my_yield_processor()
-{
- int i;
- for (i=0; i<YIELD_LOOPS; i++)
- {
- YieldProcessor();
- }
- return 1;
-}
-
-#define LF_BACKOFF my_yield_processor()
-
-#endif /* ATOMIC_MSC_INCLUDED */
diff --git a/mysql/atomic/solaris.h b/mysql/atomic/solaris.h
deleted file mode 100644
index 5be36ec..0000000
--- a/mysql/atomic/solaris.h
+++ /dev/null
@@ -1,117 +0,0 @@
-#ifndef ATOMIC_SOLARIS_INCLUDED
-#define ATOMIC_SOLARIS_INCLUDED
-
-/* Copyright (c) 2008, 2014, 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 */
-
-#include <atomic.h>
-
-#if defined(__GNUC__)
-#define atomic_typeof(T,V) __typeof__(V)
-#else
-#define atomic_typeof(T,V) T
-#endif
-
-static inline int my_atomic_cas32(int32 volatile *a, int32 *cmp, int32 set)
-{
- int ret;
- atomic_typeof(uint32_t, *cmp) sav;
- sav= atomic_cas_32((volatile uint32_t *)a, (uint32_t)*cmp, (uint32_t)set);
- ret= (sav == *cmp);
- if (!ret)
- *cmp= sav;
- return ret;
-}
-
-static inline int my_atomic_cas64(int64 volatile *a, int64 *cmp, int64 set)
-{
- int ret;
- atomic_typeof(uint64_t, *cmp) sav;
- sav= atomic_cas_64((volatile uint64_t *)a, (uint64_t)*cmp, (uint64_t)set);
- ret= (sav == *cmp);
- if (!ret)
- *cmp= sav;
- return ret;
-}
-
-static inline int my_atomic_casptr(void * volatile *a, void **cmp, void *set)
-{
- int ret;
- atomic_typeof(void *, *cmp) sav;
- sav= atomic_cas_ptr((volatile void **)a, (void *)*cmp, (void *)set);
- ret= (sav == *cmp);
- if (!ret)
- *cmp= sav;
- return ret;
-}
-
-static inline int32 my_atomic_add32(int32 volatile *a, int32 v)
-{
- int32 nv= atomic_add_32_nv((volatile uint32_t *)a, v);
- return nv - v;
-}
-
-static inline int64 my_atomic_add64(int64 volatile *a, int64 v)
-{
- int64 nv= atomic_add_64_nv((volatile uint64_t *)a, v);
- return nv - v;
-}
-
-static inline int32 my_atomic_fas32(int32 volatile *a, int32 v)
-{
- return atomic_swap_32((volatile uint32_t *)a, (uint32_t)v);
-}
-
-static inline int64 my_atomic_fas64(int64 volatile *a, int64 v)
-{
- return atomic_swap_64((volatile uint64_t *)a, (uint64_t)v);
-}
-
-static inline void * my_atomic_fasptr(void * volatile *a, void * v)
-{
- return atomic_swap_ptr(a, v);
-}
-
-static inline int32 my_atomic_load32(int32 volatile *a)
-{
- return atomic_or_32_nv((volatile uint32_t *)a, 0);
-}
-
-static inline int64 my_atomic_load64(int64 volatile *a)
-{
- return atomic_or_64_nv((volatile uint64_t *)a, 0);
-}
-
-static inline void* my_atomic_loadptr(void * volatile *a)
-{
- return atomic_add_ptr_nv(a, 0);
-}
-
-static inline void my_atomic_store32(int32 volatile *a, int32 v)
-{
- (void) atomic_swap_32((volatile uint32_t *)a, (uint32_t)v);
-}
-
-static inline void my_atomic_store64(int64 volatile *a, int64 v)
-{
- (void) atomic_swap_64((volatile uint64_t *)a, (uint64_t)v);
-}
-
-static inline void my_atomic_storeptr(void * volatile *a, void *v)
-{
- (void) atomic_swap_ptr((volatile void **)a, (void *)v);
-}
-
-#endif /* ATOMIC_SOLARIS_INCLUDED */
generated by cgit v1.1 at 2024-04-27 22:13:46 +0000