-/* LibMemcached
- * Copyright (C) 2006-2009 Brian Aker
- * All rights reserved.
- *
- * Use and distribution licensed under the BSD license. See
- * the COPYING file in the parent directory for full text.
- *
- * Summary:
- *
- */
+/*
+ +--------------------------------------------------------------------+
+ | libmemcached - C/C++ Client Library for memcached |
+ +--------------------------------------------------------------------+
+ | Redistribution and use in source and binary forms, with or without |
+ | modification, are permitted under the terms of the BSD license. |
+ | You should have received a copy of the license in a bundled file |
+ | named LICENSE; in case you did not receive a copy you can review |
+ | the terms online at: https://opensource.org/licenses/BSD-3-Clause |
+ +--------------------------------------------------------------------+
+ | Copyright (c) 2006-2014 Brian Aker https://datadifferential.com/ |
+ | Copyright (c) 2020 Michael Wallner <mike@php.net> |
+ +--------------------------------------------------------------------+
+*/
#ifndef CLIENTS_MS_ATOMIC_H
#define CLIENTS_MS_ATOMIC_H
#if HAVE_C_STDATOMIC
-# define ATOMIC _Atomic
+# define ATOMIC _Atomic
#else
-# define ATOMIC volatile
+# define ATOMIC volatile
#endif
#if defined(__SUNPRO_C)
-# define _KERNEL
-# include <atomic.h>
-# if SIZEOF_SIZE_T == 8
-# define atomic_add_size(X, Y) atomic_add_64((X), (Y))
-# define atomic_add_size_nv(X, Y) atomic_add_64((X), (Y))
-# define atomic_dec_size(X, Y) atomic_add_64((X), (Y))
-# define atomic_dec_size_nv(X, Y) atomic_add_64((X), (Y))
-# else
-# define atomic_add_size(X, Y) atomic_add_32((X), (Y))
-# define atomic_add_size_nv(X, Y) atomic_add_32((X), (Y))
-# define atomic_dec_size(X, Y) atomic_add_32((X), (Y))
-# define atomic_dec_size_nv(X, Y) atomic_add_32((X), (Y))
-# endif
-# undef _KERNEL
+# define _KERNEL
+# if SIZEOF_SIZE_T == 8
+# define atomic_add_size(X, Y) atomic_add_64((X), (Y))
+# define atomic_add_size_nv(X, Y) atomic_add_64((X), (Y))
+# define atomic_dec_size(X, Y) atomic_add_64((X), (Y))
+# define atomic_dec_size_nv(X, Y) atomic_add_64((X), (Y))
+# else
+# define atomic_add_size(X, Y) atomic_add_32((X), (Y))
+# define atomic_add_size_nv(X, Y) atomic_add_32((X), (Y))
+# define atomic_dec_size(X, Y) atomic_add_32((X), (Y))
+# define atomic_dec_size_nv(X, Y) atomic_add_32((X), (Y))
+# endif
+# undef _KERNEL
#elif HAVE_GCC_ATOMIC_BUILTINS
-# define atomic_add_8(X, Y) __sync_fetch_and_add((X), (Y))
-# define atomic_add_16(X, Y) __sync_fetch_and_add((X), (Y))
-# define atomic_add_32(X, Y) __sync_fetch_and_add((X), (Y))
-# define atomic_add_size(X, Y) __sync_fetch_and_add((X), (Y))
-# define atomic_dec_8(X) __sync_fetch_and_sub((X), 1)
-# define atomic_dec_16(X) __sync_fetch_and_sub((X), 1)
-# define atomic_dec_32(X) __sync_fetch_and_sub((X), 1)
-# define atomic_dec_size(X) __sync_fetch_and_sub((X), 1)
+# define atomic_add_8(X, Y) __sync_fetch_and_add((X), (Y))
+# define atomic_add_16(X, Y) __sync_fetch_and_add((X), (Y))
+# define atomic_add_32(X, Y) __sync_fetch_and_add((X), (Y))
+# define atomic_add_size(X, Y) __sync_fetch_and_add((X), (Y))
+# define atomic_dec_8(X) __sync_fetch_and_sub((X), 1)
+# define atomic_dec_16(X) __sync_fetch_and_sub((X), 1)
+# define atomic_dec_32(X) __sync_fetch_and_sub((X), 1)
+# define atomic_dec_size(X) __sync_fetch_and_sub((X), 1)
/* The same as above, but these return the new value instead of void */
-# define atomic_add_8_nv(X, Y) __sync_fetch_and_add((X), (Y))
-# define atomic_add_16_nv(X, Y) __sync_fetch_and_add((X), (Y))
-# define atomic_add_32_nv(X, Y) __sync_fetch_and_add((X), (Y))
-# define atomic_add_size_nv(X, Y) __sync_fetch_and_add((X), (Y))
-# define atomic_dec_8_nv(X) __sync_fetch_and_sub((X), 1)
-# define atomic_dec_16_nv(X) __sync_fetch_and_sub((X), 1)
-# define atomic_dec_32_nv(X) __sync_fetch_and_sub((X), 1)
-# define atomic_dec_size_nv(X) __sync_fetch_and_sub((X), 1)
+# define atomic_add_8_nv(X, Y) __sync_fetch_and_add((X), (Y))
+# define atomic_add_16_nv(X, Y) __sync_fetch_and_add((X), (Y))
+# define atomic_add_32_nv(X, Y) __sync_fetch_and_add((X), (Y))
+# define atomic_add_size_nv(X, Y) __sync_fetch_and_add((X), (Y))
+# define atomic_dec_8_nv(X) __sync_fetch_and_sub((X), 1)
+# define atomic_dec_16_nv(X) __sync_fetch_and_sub((X), 1)
+# define atomic_dec_32_nv(X) __sync_fetch_and_sub((X), 1)
+# define atomic_dec_size_nv(X) __sync_fetch_and_sub((X), 1)
#elif HAVE_C_STDATOMIC
-# include <stdatomic.h>
-# define atomic_add_8(X, Y) atomic_fetch_add(X, Y)
-# define atomic_add_16(X, Y) atomic_fetch_add(X, Y)
-# define atomic_add_32(X, Y) atomic_fetch_add(X, Y)
-# define atomic_add_size(X, Y) atomic_fetch_add(X, Y)
-# define atomic_dec_8(X) atomic_fetch_sub(X, 1)
-# define atomic_dec_16(X) atomic_fetch_sub(X, 1)
-# define atomic_dec_32(X) atomic_fetch_sub(X, 1)
-# define atomic_dec_size(X) atomic_fetch_sub(X, 1)
+# include <stdatomic.h>
+# define atomic_add_8(X, Y) atomic_fetch_add(X, Y)
+# define atomic_add_16(X, Y) atomic_fetch_add(X, Y)
+# define atomic_add_32(X, Y) atomic_fetch_add(X, Y)
+# define atomic_add_size(X, Y) atomic_fetch_add(X, Y)
+# define atomic_dec_8(X) atomic_fetch_sub(X, 1)
+# define atomic_dec_16(X) atomic_fetch_sub(X, 1)
+# define atomic_dec_32(X) atomic_fetch_sub(X, 1)
+# define atomic_dec_size(X) atomic_fetch_sub(X, 1)
/* The same as above, but these return the new value instead of void */
-# define ATOMIC_ADD_FETCH_DECL(T) \
-static inline T atomic_add_fetch_##T(ATOMIC T *ptr, T add) { \
- T des, cur = atomic_load(ptr); \
- do { \
- des = cur + add; \
- } while(!atomic_compare_exchange_weak(ptr, &cur, des)); \
- return des; \
-}
-# define ATOMIC_SUB_FETCH_DECL(T) \
-T atomic_sub_fetch_##T(ATOMIC T *ptr) { \
- T des, cur = atomic_load(ptr); \
- do { \
- des = cur - 1; \
- } while(!atomic_compare_exchange_weak(ptr, &cur, des)); \
- return des; \
-}
+# define ATOMIC_ADD_FETCH_DECL(T) \
+ static inline T atomic_add_fetch_##T(ATOMIC T *ptr, T add) { \
+ T des, cur = atomic_load(ptr); \
+ do { \
+ des = cur + add; \
+ } while (!atomic_compare_exchange_weak(ptr, &cur, des)); \
+ return des; \
+ }
+# define ATOMIC_SUB_FETCH_DECL(T) \
+ T atomic_sub_fetch_##T(ATOMIC T *ptr) { \
+ T des, cur = atomic_load(ptr); \
+ do { \
+ des = cur - 1; \
+ } while (!atomic_compare_exchange_weak(ptr, &cur, des)); \
+ return des; \
+ }
ATOMIC_ADD_FETCH_DECL(uint8_t)
-# define atomic_add_8_nv(X, Y) atomic_add_fetch_uint8_t(X, Y)
+# define atomic_add_8_nv(X, Y) atomic_add_fetch_uint8_t(X, Y)
ATOMIC_ADD_FETCH_DECL(uint16_t)
-# define atomic_add_16_nv(X, Y) atomic_add_fetch_uint16_t(X, Y)
+# define atomic_add_16_nv(X, Y) atomic_add_fetch_uint16_t(X, Y)
ATOMIC_ADD_FETCH_DECL(uint32_t)
-# define atomic_add_32_nv(X, Y) atomic_add_fetch_uint32_t(X, Y)
+# define atomic_add_32_nv(X, Y) atomic_add_fetch_uint32_t(X, Y)
ATOMIC_ADD_FETCH_DECL(size_t)
-# define atomic_add_size_nv(X, Y) atomic_add_fetch_size_t(X, Y)
-# define atomic_dec_8_nv(X) atomic_sub_fetch<uint8_t>(X, Y)
-# define atomic_dec_16_nv(X) atomic_sub_fetch<uint16_t>(X, Y)
-# define atomic_dec_32_nv(X) atomic_sub_fetch<uint32_t>(X, Y)
-# define atomic_dec_size_nv(X) atomic_sub_fetch<size_t>(X, Y)
+# define atomic_add_size_nv(X, Y) atomic_add_fetch_size_t(X, Y)
+# define atomic_dec_8_nv(X) atomic_sub_fetch<uint8_t>(X, Y)
+# define atomic_dec_16_nv(X) atomic_sub_fetch<uint16_t>(X, Y)
+# define atomic_dec_32_nv(X) atomic_sub_fetch<uint32_t>(X, Y)
+# define atomic_dec_size_nv(X) atomic_sub_fetch<size_t>(X, Y)
#else
-#warning "Atomic operators not found so memslap will not work correctly"
-# define atomic_add_8(X, Y) 0
-# define atomic_add_16(X, Y) 0
-# define atomic_add_32(X, Y) 0
-# define atomic_add_size(X, Y) 0
-# define atomic_dec_8(X) 0
-# define atomic_dec_16(X) 0
-# define atomic_dec_32(X) 0
-# define atomic_dec_size(X) 0
+# warning "Atomic operators not found so memslap will not work correctly"
+# define atomic_add_8(X, Y) 0
+# define atomic_add_16(X, Y) 0
+# define atomic_add_32(X, Y) 0
+# define atomic_add_size(X, Y) 0
+# define atomic_dec_8(X) 0
+# define atomic_dec_16(X) 0
+# define atomic_dec_32(X) 0
+# define atomic_dec_size(X) 0
/* The same as above, but these return the new value instead of void */
-# define atomic_add_8_nv(X, Y) 0
-# define atomic_add_16_nv(X, Y) 0
-# define atomic_add_32_nv(X, Y) 0
-# define atomic_add_size_nv(X, Y) 0
-# define atomic_dec_8_nv(X) 0
-# define atomic_dec_16_nv(X) 0
-# define atomic_dec_32_nv(X) 0
-# define atomic_dec_size_nv(X) 0
+# define atomic_add_8_nv(X, Y) 0
+# define atomic_add_16_nv(X, Y) 0
+# define atomic_add_32_nv(X, Y) 0
+# define atomic_add_size_nv(X, Y) 0
+# define atomic_dec_8_nv(X) 0
+# define atomic_dec_16_nv(X) 0
+# define atomic_dec_32_nv(X) 0
+# define atomic_dec_size_nv(X) 0
#endif /* defined(__SUNPRO_C) */
#endif /* CLIENTS_MS_ATOMIC_H */
projects / awesomized / libmemcached / blobdiff