stdatomic.h File Reference

#include <stddef.h>
#include <stdint.h>

Go to the source code of this file.

Macros
#define	ATOMIC_FLAG_INIT   0
#define	ATOMIC_VAR_INIT(value)   (value)
#define	atomic_init(obj, value)
#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)   0
#define	atomic_store(object, desired)
#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)
#define	atomic_exchange_explicit(object, desired, order)   atomic_exchange(object, desired)
#define	atomic_compare_exchange_strong(object, expected, desired)
#define	atomic_compare_exchange_strong_explicit(object, expected, desired, success, failure)   atomic_compare_exchange_strong(object, expected, desired)
#define	atomic_compare_exchange_weak(object, expected, desired)   atomic_compare_exchange_strong(object, expected, desired)
#define	atomic_compare_exchange_weak_explicit(object, expected, desired, success, failure)   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_xor(object, operand)
#define	atomic_fetch_xor_explicit(object, operand, order)   atomic_fetch_xor(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, 1)
#define	atomic_flag_test_and_set_explicit(object, order)   atomic_flag_test_and_set(object)
#define	atomic_flag_clear(object)   atomic_store(object, 0)
#define	atomic_flag_clear_explicit(object, order)   atomic_flag_clear(object)

Typedefs
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 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

Macro Definition Documentation

#define ATOMIC_FLAG_INIT   0

Definition at line 30 of file stdatomic.h.

#define ATOMIC_VAR_INIT

(

value

)

(value)

Definition at line 32 of file stdatomic.h.

#define atomic_init	(		obj,
			value
	)

Value:

do {                            \
    *(obj) = (value);           \
} while(0)

Definition at line 34 of file stdatomic.h.

#define kill_dependency

(

y

)

((void)0)

Definition at line 39 of file stdatomic.h.

#define atomic_thread_fence

(

order

)

__sync_synchronize()

Definition at line 41 of file stdatomic.h.

#define atomic_signal_fence

(

order

)

((void)0)

Definition at line 44 of file stdatomic.h.

#define atomic_is_lock_free

(

obj

)

0

Definition at line 47 of file stdatomic.h.

#define atomic_store	(		object,
			desired
	)

Value:

do {                                    \
    *(object) = (desired);              \
    __sync_synchronize();               \
} while (0)

Definition at line 86 of file stdatomic.h.

#define atomic_store_explicit	(		object,
			desired,
			order
	)		atomic_store(object, desired)

Definition at line 92 of file stdatomic.h.

#define atomic_load

(

object

)

(__sync_synchronize(), *(object))

Definition at line 95 of file stdatomic.h.

#define atomic_load_explicit	(		object,
			order
	)		atomic_load(object)

Definition at line 98 of file stdatomic.h.

#define atomic_exchange	(		object,
			desired
	)

Value:

({                                                                  \
    __typeof__(object) _obj = (object);                             \
    __typeof__(*object) _old;                                       \
    do                                                              \
        _old = atomic_load(_obj);                                   \
    while (!__sync_bool_compare_and_swap(_obj, _old, (desired)));   \
    _old;                                                           \
})

Definition at line 101 of file stdatomic.h.

#define atomic_exchange_explicit	(		object,
			desired,
			order
	)		atomic_exchange(object, desired)

Definition at line 111 of file stdatomic.h.

#define atomic_compare_exchange_strong	(		object,
			expected,
			desired
	)

Value:

({                                                                  \
    __typeof__(object) _exp = (expected);                           \
    __typeof__(*object) _old = *_exp;                               \
    *_exp = __sync_val_compare_and_swap((object), _old, (desired)); \
    *_exp == _old;                                                  \
})

Definition at line 114 of file stdatomic.h.

#define atomic_compare_exchange_strong_explicit	(		object,
			expected,
			desired,
			success,
			failure
	)		atomic_compare_exchange_strong(object, expected, desired)

Definition at line 122 of file stdatomic.h.

#define atomic_compare_exchange_weak	(		object,
			expected,
			desired
	)		atomic_compare_exchange_strong(object, expected, desired)

Definition at line 125 of file stdatomic.h.

#define atomic_compare_exchange_weak_explicit	(		object,
			expected,
			desired,
			success,
			failure
	)		atomic_compare_exchange_weak(object, expected, desired)

Definition at line 128 of file stdatomic.h.

#define atomic_fetch_add	(		object,
			operand
	)		__sync_fetch_and_add(object, operand)

Definition at line 131 of file stdatomic.h.

Referenced by enqueue_buffer(), ff_er_add_slice(), ff_mediacodec_dec_ref(), ffmmal_add_packet(), ffmmal_fill_input_port(), ffmmal_stop_decoder(), input_callback(), mediacodec_dec_flush_codec(), mediacodec_wrap_hw_buffer(), mmap_read_frame(), and v4l2_buf_to_bufref().

#define atomic_fetch_add_explicit	(		object,
			operand,
			order
	)		atomic_fetch_add(object, operand)

Definition at line 134 of file stdatomic.h.

#define atomic_fetch_sub	(		object,
			operand
	)		__sync_fetch_and_sub(object, operand)

Definition at line 137 of file stdatomic.h.

Referenced by ff_mediacodec_dec_unref(), mediacodec_buffer_release(), and v4l2_free_buffer().

#define atomic_fetch_sub_explicit	(		object,
			operand,
			order
	)		atomic_fetch_sub(object, operand)

Definition at line 140 of file stdatomic.h.

#define atomic_fetch_or	(		object,
			operand
	)		__sync_fetch_and_or(object, operand)

Definition at line 143 of file stdatomic.h.

#define atomic_fetch_or_explicit	(		object,
			operand,
			order
	)		atomic_fetch_or(object, operand)

Definition at line 146 of file stdatomic.h.

#define atomic_fetch_xor	(		object,
			operand
	)		__sync_fetch_and_xor(object, operand)

Definition at line 149 of file stdatomic.h.

#define atomic_fetch_xor_explicit	(		object,
			operand,
			order
	)		atomic_fetch_xor(object, operand)

Definition at line 152 of file stdatomic.h.

#define atomic_fetch_and	(		object,
			operand
	)		__sync_fetch_and_and(object, operand)

Definition at line 155 of file stdatomic.h.

#define atomic_fetch_and_explicit	(		object,
			operand,
			order
	)		atomic_fetch_and(object, operand)

Definition at line 158 of file stdatomic.h.

#define atomic_flag_test_and_set

(

object

)

atomic_exchange(object, 1)

Definition at line 161 of file stdatomic.h.

#define atomic_flag_test_and_set_explicit	(		object,
			order
	)		atomic_flag_test_and_set(object)

Definition at line 164 of file stdatomic.h.

#define atomic_flag_clear

(

object

)

atomic_store(object, 0)

Definition at line 167 of file stdatomic.h.

#define atomic_flag_clear_explicit	(		object,
			order
	)		atomic_flag_clear(object)

Definition at line 170 of file stdatomic.h.

Typedef Documentation

typedef _Bool atomic_flag

Definition at line 49 of file stdatomic.h.

typedef _Bool atomic_bool

Definition at line 50 of file stdatomic.h.

typedef char atomic_char

Definition at line 51 of file stdatomic.h.

typedef signed char atomic_schar

Definition at line 52 of file stdatomic.h.

typedef unsigned char atomic_uchar

Definition at line 53 of file stdatomic.h.

typedef short atomic_short

Definition at line 54 of file stdatomic.h.

typedef unsigned short atomic_ushort

Definition at line 55 of file stdatomic.h.

typedef int atomic_int

Definition at line 56 of file stdatomic.h.

typedef unsigned int atomic_uint

Definition at line 57 of file stdatomic.h.

typedef long atomic_long

Definition at line 58 of file stdatomic.h.

typedef unsigned long atomic_ulong

Definition at line 59 of file stdatomic.h.

typedef long long atomic_llong

Definition at line 60 of file stdatomic.h.

typedef unsigned long long atomic_ullong

Definition at line 61 of file stdatomic.h.

typedef wchar_t atomic_wchar_t

Definition at line 62 of file stdatomic.h.

typedef int_least8_t atomic_int_least8_t

Definition at line 63 of file stdatomic.h.

typedef uint_least8_t atomic_uint_least8_t

Definition at line 64 of file stdatomic.h.

typedef int_least16_t atomic_int_least16_t

Definition at line 65 of file stdatomic.h.

typedef uint_least16_t atomic_uint_least16_t

Definition at line 66 of file stdatomic.h.

typedef int_least32_t atomic_int_least32_t

Definition at line 67 of file stdatomic.h.

typedef uint_least32_t atomic_uint_least32_t

Definition at line 68 of file stdatomic.h.

typedef int_least64_t atomic_int_least64_t

Definition at line 69 of file stdatomic.h.

typedef uint_least64_t atomic_uint_least64_t

Definition at line 70 of file stdatomic.h.

typedef int_fast8_t atomic_int_fast8_t

Definition at line 71 of file stdatomic.h.

typedef uint_fast8_t atomic_uint_fast8_t

Definition at line 72 of file stdatomic.h.

typedef int_fast16_t atomic_int_fast16_t

Definition at line 73 of file stdatomic.h.

typedef uint_fast16_t atomic_uint_fast16_t

Definition at line 74 of file stdatomic.h.

typedef int_fast32_t atomic_int_fast32_t

Definition at line 75 of file stdatomic.h.

typedef uint_fast32_t atomic_uint_fast32_t

Definition at line 76 of file stdatomic.h.

typedef int_fast64_t atomic_int_fast64_t

Definition at line 77 of file stdatomic.h.

typedef uint_fast64_t atomic_uint_fast64_t

Definition at line 78 of file stdatomic.h.

typedef intptr_t atomic_intptr_t

Definition at line 79 of file stdatomic.h.

typedef uintptr_t atomic_uintptr_t

Definition at line 80 of file stdatomic.h.

typedef size_t atomic_size_t

Definition at line 81 of file stdatomic.h.

typedef ptrdiff_t atomic_ptrdiff_t

Definition at line 82 of file stdatomic.h.

typedef intmax_t atomic_intmax_t

Definition at line 83 of file stdatomic.h.

typedef uintmax_t atomic_uintmax_t

Definition at line 84 of file stdatomic.h.