1 /*
2  * Copyright (c) 2018 Intel Corporation
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  */
6 
7 #ifndef ZEPHYR_INCLUDE_POSIX_MQUEUE_H_
8 #define ZEPHYR_INCLUDE_POSIX_MQUEUE_H_
9 
10 #include <zephyr/kernel.h>
11 #include <zephyr/posix/time.h>
12 #include <zephyr/posix/fcntl.h>
13 #include <zephyr/posix/sys/stat.h>
14 #include "posix_types.h"
15 
16 #ifdef __cplusplus
17 extern "C" {
18 #endif
19 
20 typedef void *mqd_t;
21 
22 struct mq_attr {
23 	long mq_flags;
24 	long mq_maxmsg;
25 	long mq_msgsize;
26 	long mq_curmsgs;	/* Number of messages currently queued. */
27 };
28 
29 mqd_t mq_open(const char *name, int oflags, ...);
30 int mq_close(mqd_t mqdes);
31 int mq_unlink(const char *name);
32 int mq_getattr(mqd_t mqdes, struct mq_attr *mqstat);
33 int mq_receive(mqd_t mqdes, char *msg_ptr, size_t msg_len,
34 		   unsigned int *msg_prio);
35 int mq_send(mqd_t mqdes, const char *msg_ptr, size_t msg_len,
36 	    unsigned int msg_prio);
37 int mq_setattr(mqd_t mqdes, const struct mq_attr *mqstat,
38 	       struct mq_attr *omqstat);
39 int mq_timedreceive(mqd_t mqdes, char *msg_ptr, size_t msg_len,
40 			unsigned int *msg_prio, const struct timespec *abstime);
41 int mq_timedsend(mqd_t mqdes, const char *msg_ptr, size_t msg_len,
42 		 unsigned int msg_prio, const struct timespec *abstime);
43 
44 #ifdef __cplusplus
45 }
46 #endif
47 
48 #endif  /* ZEPHYR_INCLUDE_POSIX_MQUEUE_H_ */
49