eventfd.h

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/*
 * Copyright (c) 2020 Tobias Svehagen
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_ZVFS_EVENTFD_H_
#define ZEPHYR_INCLUDE_ZVFS_EVENTFD_H_
 
#include <stdint.h>
 
#include <zephyr/kernel.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define ZVFS_EFD_SEMAPHORE 2
#define ZVFS_EFD_NONBLOCK 0x4000
 
typedef uint64_t zvfs_eventfd_t;

int zvfs_eventfd(unsigned int initval, int flags);

int zvfs_eventfd_read(int fd, zvfs_eventfd_t *value);

int zvfs_eventfd_write(int fd, zvfs_eventfd_t value);
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_INCLUDE_ZVFS_EVENTFD_H_ */