eventgroup.h

/*
 * 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_EVENTGROUP_H
#define OVE_EVENTGROUP_H
 
#include "ove/types.h"
#include "ove_config.h"
#include "ove/storage.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define OVE_EG_WAIT_ALL      0x01
 
#define OVE_EG_CLEAR_ON_EXIT 0x02
 
#ifdef CONFIG_OVE_EVENTGROUP
 
int  ove_eventgroup_init(ove_eventgroup_t *eg,
             ove_eventgroup_storage_t *storage);
 
void ove_eventgroup_deinit(ove_eventgroup_t eg);
 
#ifdef OVE_HEAP_EVENTGROUP
int  ove_eventgroup_create(ove_eventgroup_t *eg);
 
void ove_eventgroup_destroy(ove_eventgroup_t eg);
#elif !defined(__ZIG_CIMPORT__) /* !OVE_HEAP_EVENTGROUP — zero-heap mode */
 
#define ove_eventgroup_create(peg) \
    ({ static ove_eventgroup_storage_t _ove_stor_; \
       ove_eventgroup_init((peg), &_ove_stor_); })
#define ove_eventgroup_destroy(eg) ove_eventgroup_deinit(eg)
 
#endif /* OVE_HEAP_EVENTGROUP */
 
ove_eventbits_t ove_eventgroup_set_bits(ove_eventgroup_t eg,
                    ove_eventbits_t bits);
 
ove_eventbits_t ove_eventgroup_clear_bits(ove_eventgroup_t eg,
                      ove_eventbits_t bits);
 
int  ove_eventgroup_wait_bits(ove_eventgroup_t eg,
                  ove_eventbits_t bits,
                  uint32_t flags, uint32_t timeout_ms,
                  ove_eventbits_t *result);
 
ove_eventbits_t ove_eventgroup_set_bits_from_isr(
    ove_eventgroup_t eg, ove_eventbits_t bits);
 
ove_eventbits_t ove_eventgroup_get_bits(ove_eventgroup_t eg);
 
#else /* !CONFIG_OVE_EVENTGROUP */
 
static inline int ove_eventgroup_create(ove_eventgroup_t *eg) { (void)eg; return OVE_ERR_NOT_SUPPORTED; }
static inline void ove_eventgroup_destroy(ove_eventgroup_t eg) { (void)eg; }
static inline ove_eventbits_t ove_eventgroup_set_bits(ove_eventgroup_t eg, ove_eventbits_t bits) { (void)eg; (void)bits; return 0; }
static inline ove_eventbits_t ove_eventgroup_clear_bits(ove_eventgroup_t eg, ove_eventbits_t bits) { (void)eg; (void)bits; return 0; }
static inline int ove_eventgroup_wait_bits(ove_eventgroup_t eg, ove_eventbits_t bits, uint32_t flags, uint32_t timeout_ms, ove_eventbits_t *result) { (void)eg; (void)bits; (void)flags; (void)timeout_ms; (void)result; return OVE_ERR_NOT_SUPPORTED; }
static inline ove_eventbits_t ove_eventgroup_set_bits_from_isr(ove_eventgroup_t eg, ove_eventbits_t bits) { (void)eg; (void)bits; return 0; }
static inline ove_eventbits_t ove_eventgroup_get_bits(ove_eventgroup_t eg) { (void)eg; return 0; }
 
#endif /* CONFIG_OVE_EVENTGROUP */
 
#ifdef __cplusplus
}
#endif
 
 
#endif /* OVE_EVENTGROUP_H */