include/zephyr/posix/mqueue.h

/*
 * Copyright (c) 2018 Intel Corporation
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#ifndef ZEPHYR_INCLUDE_POSIX_MESSAGE_PASSING_H_
#define ZEPHYR_INCLUDE_POSIX_MESSAGE_PASSING_H_

#include <zephyr/kernel.h>
#include <zephyr/posix/time.h>
#include <zephyr/posix/fcntl.h>
#include <zephyr/posix/signal.h>
#include <zephyr/posix/sys/stat.h>
#include <zephyr/posix/posix_types.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef void *mqd_t;

struct mq_attr {
	long mq_flags;
	long mq_maxmsg;
	long mq_msgsize;
	long mq_curmsgs;	/* Number of messages currently queued. */
};

mqd_t mq_open(const char *name, int oflags, ...);
int mq_close(mqd_t mqdes);
int mq_unlink(const char *name);
int mq_getattr(mqd_t mqdes, struct mq_attr *mqstat);
int mq_receive(mqd_t mqdes, char *msg_ptr, size_t msg_len,
		   unsigned int *msg_prio);
int mq_send(mqd_t mqdes, const char *msg_ptr, size_t msg_len,
	    unsigned int msg_prio);
int mq_setattr(mqd_t mqdes, const struct mq_attr *mqstat,
	       struct mq_attr *omqstat);
int mq_timedreceive(mqd_t mqdes, char *msg_ptr, size_t msg_len,
			unsigned int *msg_prio, const struct timespec *abstime);
int mq_timedsend(mqd_t mqdes, const char *msg_ptr, size_t msg_len,
		 unsigned int msg_prio, const struct timespec *abstime);
int mq_notify(mqd_t mqdes, const struct sigevent *notification);

#ifdef __cplusplus
}
#endif

#endif  /* ZEPHYR_INCLUDE_POSIX_MESSAGE_PASSING_H_ */