Zephyr API Documentation 4.5.0-rc1
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/* IWYU pragma: private, include "zephyr/sys/atomic.h" */
16
17#ifndef ZEPHYR_INCLUDE_SYS_ATOMIC_ARCH_H_
18#define ZEPHYR_INCLUDE_SYS_ATOMIC_ARCH_H_
19
20#include <stdbool.h>
22
23/* Included from <atomic.h> */
24
26
27/* Arch specific atomic primitives */
28
29bool atomic_cas(atomic_t *target, atomic_val_t old_value,
30 atomic_val_t new_value);
31
32bool atomic_ptr_cas(atomic_ptr_t *target, void *old_value,
33 void *new_value);
34
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42
43atomic_val_t atomic_get(const atomic_t *target);
44
45void *atomic_ptr_get(const atomic_ptr_t *target);
46
48
49void *atomic_ptr_set(atomic_ptr_t *target, void *value);
50
52
53void *atomic_ptr_clear(atomic_ptr_t *target);
54
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64
65#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:34
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:41
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:49