Commit d8118048 authored by Rémi Denis-Courmont's avatar Rémi Denis-Courmont

include: remove atomic legacy wrappers

parent 72bfe44f
......@@ -18,6 +18,10 @@
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef __cplusplus
# error Not implemented in C++.
#endif
#ifndef VLC_ATOMIC_H
# define VLC_ATOMIC_H
......@@ -26,170 +30,7 @@
* Atomic operations do not require locking, but they are not very powerful.
*/
/* Clang older versions support atomics but lacks the stdatomic.h header */
#if defined(__clang__)
# if !defined(__has_include) || !__has_include(<stdatomic.h>)
# define __STDC_NO_ATOMICS__ 1
# endif
#endif
# ifndef __cplusplus
# if !defined (__STDC_NO_ATOMICS__)
/*** Native C11 atomics ***/
# include <stdatomic.h>
# else
/*** Intel/GCC atomics ***/
# define ATOMIC_FLAG_INIT false
# define ATOMIC_VAR_INIT(value) (value)
# define atomic_init(obj, value) \
do { *(obj) = (value); } while(0)
# define kill_dependency(y) \
((void)0)
# define atomic_thread_fence(order) \
__sync_synchronize()
# define atomic_signal_fence(order) \
((void)0)
# define atomic_is_lock_free(obj) \
false
typedef bool atomic_flag;
typedef bool atomic_bool;
typedef char atomic_char;
typedef signed char atomic_schar;
typedef unsigned char atomic_uchar;
typedef short atomic_short;
typedef unsigned short atomic_ushort;
typedef int atomic_int;
typedef unsigned int atomic_uint;
typedef long atomic_long;
typedef unsigned long atomic_ulong;
typedef long long atomic_llong;
typedef unsigned long long atomic_ullong;
//typedef char16_t atomic_char16_t;
//typedef char32_t atomic_char32_t;
typedef wchar_t atomic_wchar_t;
typedef int_least8_t atomic_int_least8_t;
typedef uint_least8_t atomic_uint_least8_t;
typedef int_least16_t atomic_int_least16_t;
typedef uint_least16_t atomic_uint_least16_t;
typedef int_least32_t atomic_int_least32_t;
typedef uint_least32_t atomic_uint_least32_t;
typedef int_least64_t atomic_int_least64_t;
typedef uint_least64_t atomic_uint_least64_t;
typedef int_fast8_t atomic_int_fast8_t;
typedef uint_fast8_t atomic_uint_fast8_t;
typedef int_fast16_t atomic_int_fast16_t;
typedef uint_fast16_t atomic_uint_fast16_t;
typedef int_fast32_t atomic_int_fast32_t;
typedef uint_fast32_t atomic_uint_fast32_t;
typedef int_fast64_t atomic_int_fast64_t;
typedef uint_fast64_t atomic_uint_fast64_t;
typedef intptr_t atomic_intptr_t;
typedef uintptr_t atomic_uintptr_t;
typedef size_t atomic_size_t;
typedef ptrdiff_t atomic_ptrdiff_t;
typedef intmax_t atomic_intmax_t;
typedef uintmax_t atomic_uintmax_t;
# define atomic_store(object,desired) \
do { \
*(object) = (desired); \
__sync_synchronize(); \
} while (0)
# define atomic_store_explicit(object,desired,order) \
atomic_store(object,desired)
# define atomic_load(object) \
(__sync_synchronize(), *(object))
# define atomic_load_explicit(object,order) \
atomic_load(object)
# define atomic_exchange(object,desired) \
({ \
typeof (object) _obj = (object); \
typeof (*object) _old; \
do \
_old = atomic_load(_obj); \
while (!__sync_bool_compare_and_swap(_obj, _old, (desired))); \
_old; \
})
# define atomic_exchange_explicit(object,desired,order) \
atomic_exchange(object,desired)
# define atomic_compare_exchange(object,expected,desired) \
({ \
typeof (object) _exp = (expected); \
typeof (*object) _old = *_exp; \
*_exp = __sync_val_compare_and_swap((object), _old, (desired)); \
*_exp == _old; \
})
# define atomic_compare_exchange_strong(object,expected,desired) \
atomic_compare_exchange(object, expected, desired)
# define atomic_compare_exchange_strong_explicit(object,expected,desired,order,order_different) \
atomic_compare_exchange_strong(object, expected, desired)
# define atomic_compare_exchange_weak(object,expected,desired) \
atomic_compare_exchange(object, expected, desired)
# define atomic_compare_exchange_weak_explicit(object,expected,desired,order_equal,order_different) \
atomic_compare_exchange_weak(object, expected, desired)
# define atomic_fetch_add(object,operand) \
__sync_fetch_and_add(object, operand)
# define atomic_fetch_add_explicit(object,operand,order) \
atomic_fetch_add(object,operand)
# define atomic_fetch_sub(object,operand) \
__sync_fetch_and_sub(object, operand)
# define atomic_fetch_sub_explicit(object,operand,order) \
atomic_fetch_sub(object,operand)
# define atomic_fetch_or(object,operand) \
__sync_fetch_and_or(object, operand)
# define atomic_fetch_or_explicit(object,operand,order) \
atomic_fetch_or(object,operand)
# define atomic_fetch_xor(object,operand) \
__sync_fetch_and_sub(object, operand)
# define atomic_fetch_xor_explicit(object,operand,order) \
atomic_fetch_sub(object,operand)
# define atomic_fetch_and(object,operand) \
__sync_fetch_and_and(object, operand)
# define atomic_fetch_and_explicit(object,operand,order) \
atomic_fetch_and(object,operand)
# define atomic_flag_test_and_set(object) \
atomic_exchange(object, true)
# define atomic_flag_test_and_set_explicit(object,order) \
atomic_flag_test_and_set(object)
# define atomic_flag_clear(object) \
atomic_store(object, false)
# define atomic_flag_clear_explicit(object,order) \
atomic_flag_clear(object)
# endif /* !C11 */
# include <stdatomic.h>
typedef atomic_uint_least32_t vlc_atomic_float;
......@@ -216,9 +57,4 @@ static inline void vlc_atomic_store_float(vlc_atomic_float *atom, float f)
atomic_store(atom, u.i);
}
# else /* C++ */
/*** Native C++11 atomics ***/
# include <atomic>
# endif /* C++ */
#endif
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