api/c/irq_8h_source.html

/*

 * Copyright (C) 2026 Kamil Lulko <kamil.lulko@gmail.com>

 *

 * SPDX-License-Identifier: GPL-3.0-or-later

 *

 * This file is part of oveRTOS.

 */


#ifndef OVE_IRQ_H

#define OVE_IRQ_H


#include "ove/types.h"

#include "ove_config.h"

#include <stdbool.h>


#ifdef __cplusplus

extern "C" {

#endif


typedef uint64_t ove_irq_key_t;


#ifdef CONFIG_OVE_ASYNC


ove_irq_key_t ove_irq_lock(void);


void ove_irq_unlock(ove_irq_key_t key);


bool ove_is_in_isr(void);


#else /* !CONFIG_OVE_ASYNC */


static inline ove_irq_key_t ove_irq_lock(void)

{

    return 0;

}

static inline void ove_irq_unlock(ove_irq_key_t key)

{

    (void)key;

}

static inline bool ove_is_in_isr(void)

{

    return false;

}


#endif /* CONFIG_OVE_ASYNC */


#ifdef __cplusplus

}

#endif


 /* end of ove_irq group */

#endif /* OVE_IRQ_H */

ove_irq_lock
ove_irq_key_t ove_irq_lock(void)
Enter a critical section: disable interrupts (or equivalent backend mechanism) and return an opaque r...

ove_is_in_isr
bool ove_is_in_isr(void)
Return true if the caller is currently in interrupt context.

ove_irq_unlock
void ove_irq_unlock(ove_irq_key_t key)
Leave a critical section, restoring the interrupt state captured by the corresponding ove_irq_lock.

ove_irq_key_t
uint64_t ove_irq_key_t
Opaque cookie returned by ove_irq_lock for use with ove_irq_unlock.
Definition irq.h:54

types.h