Zephyr API Documentation 4.4.99
A Scalable Open Source RTOS
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atomic_arch.h
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1/*
2 * Copyright (c) 2021 Demant A/S
3 * Copyright (c) 2023 Nordic Semiconductor ASA
4 *
5 * SPDX-License-Identifier: Apache-2.0
6 */
7
14
15#ifndef ZEPHYR_INCLUDE_SYS_ATOMIC_ARCH_H_
16#define ZEPHYR_INCLUDE_SYS_ATOMIC_ARCH_H_
17
18#include <stdbool.h>
20
21/* Included from <atomic.h> */
22
24
25/* Arch specific atomic primitives */
26
27bool atomic_cas(atomic_t *target, atomic_val_t old_value,
28 atomic_val_t new_value);
29
30bool atomic_ptr_cas(atomic_ptr_t *target, void *old_value,
31 void *new_value);
32
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40
41atomic_val_t atomic_get(const atomic_t *target);
42
43void *atomic_ptr_get(const atomic_ptr_t *target);
44
46
47void *atomic_ptr_set(atomic_ptr_t *target, void *value);
48
50
51void *atomic_ptr_clear(atomic_ptr_t *target);
52
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60
62
63#endif /* ZEPHYR_INCLUDE_SYS_ATOMIC_ARCH_H_ */
Atomic type definitions for the atomic operations API.
long atomic_t
Atomic integer variable.
Definition atomic_types.h:31
atomic_val_t atomic_or(atomic_t *target, atomic_val_t value)
Atomic bitwise inclusive OR.
atomic_val_t atomic_xor(atomic_t *target, atomic_val_t value)
Atomic bitwise exclusive OR (XOR).
atomic_ptr_val_t atomic_ptr_get(const atomic_ptr_t *target)
Atomic get a pointer value.
atomic_t atomic_val_t
Value type for atomic integer variables.
Definition atomic_types.h:38
atomic_val_t atomic_get(const atomic_t *target)
Atomic get.
atomic_ptr_val_t atomic_ptr_set(atomic_ptr_t *target, atomic_ptr_val_t value)
Atomic get-and-set for pointer values.
atomic_val_t atomic_nand(atomic_t *target, atomic_val_t value)
Atomic bitwise NAND.
atomic_val_t atomic_and(atomic_t *target, atomic_val_t value)
Atomic bitwise AND.
atomic_val_t atomic_add(atomic_t *target, atomic_val_t value)
Atomic addition.
atomic_ptr_val_t atomic_ptr_clear(atomic_ptr_t *target)
Atomic clear of a pointer value.
atomic_val_t atomic_set(atomic_t *target, atomic_val_t value)
Atomic get-and-set.
atomic_val_t atomic_sub(atomic_t *target, atomic_val_t value)
Atomic subtraction.
atomic_val_t atomic_clear(atomic_t *target)
Atomic clear.
bool atomic_ptr_cas(atomic_ptr_t *target, atomic_ptr_val_t old_value, atomic_ptr_val_t new_value)
Atomic compare-and-set with pointer values.
atomic_val_t atomic_inc(atomic_t *target)
Atomic increment.
bool atomic_cas(atomic_t *target, atomic_val_t old_value, atomic_val_t new_value)
Atomic compare-and-set.
atomic_val_t atomic_dec(atomic_t *target)
Atomic decrement.
void * atomic_ptr_t
Atomic pointer variable.
Definition atomic_types.h:46