X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=clients%2Fms_atomic.h;h=0b05bcecd3e29ab8e5b65ed68c4c13a3a84416a2;hb=e9c7a25491f4cf9265a926b7d9848bd70acaf7aa;hp=580afabfe93d2d9fa7785b93606ac0f893a2824e;hpb=88642cefb9f215ee7dd2be926af1e8fdbe64b963;p=m6w6%2Flibmemcached diff --git a/clients/ms_atomic.h b/clients/ms_atomic.h index 580afabf..0b05bcec 100644 --- a/clients/ms_atomic.h +++ b/clients/ms_atomic.h @@ -1,24 +1,69 @@ +/* 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: + * + */ + #ifndef CLIENTS_MS_ATOMIC_H #define CLIENTS_MS_ATOMIC_H -#if defined(__SUNC) - -#define _KERNEL -#include -#undef _KERNEL - -inline int32_t __sync_add_and_fetch(volatile int32_t* ptr, int32_t val) -{ - (val == 1) ? atomic_inc_32((volatile uint32_t*)ptr) : atomic_add_32((volatile uint32_t*)ptr, val); - return *ptr; -} - - -inline uint32_t __sync_sub_and_fetch(volatile uint32_t* ptr, uint32_t val) -{ - (val == 1) ? atomic_dec_32(ptr) : atomic_add_32(ptr, 0-(int32_t)val); - return *ptr; -} +#if defined(__SUNPRO_C) +# define _KERNEL +# include +# 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) +/* 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) +#else +#warning "Atomic operators not found so memslap will not work correctly" +# define atomic_add_8(X, Y) +# define atomic_add_16(X, Y) +# define atomic_add_32(X, Y) +# define atomic_add_size(X, Y) +# define atomic_dec_8(X) +# define atomic_dec_16(X) +# define atomic_dec_32(X) +# define atomic_dec_size(X) +/* The same as above, but these return the new value instead of void */ +# define atomic_add_8_nv(X, Y) +# define atomic_add_16_nv(X, Y) +# define atomic_add_32_nv(X, Y) +# define atomic_add_size_nv(X, Y) +# define atomic_dec_8_nv(X) +# define atomic_dec_16_nv(X) +# define atomic_dec_32_nv(X) +# define atomic_dec_size_nv(X) +#endif /* defined(__SUNPRO_C) */ -#endif /* defined(__SUNC) */ #endif /* CLIENTS_MS_ATOMIC_H */