1 /*
2  * Copyright (c) 2018 Intel Corporation
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  */
6 
7 #ifndef ZEPHYR_INCLUDE_POSIX_MESSAGE_PASSING_H_
8 #define ZEPHYR_INCLUDE_POSIX_MESSAGE_PASSING_H_
9 
10 #include <time.h>
11 #include <signal.h>
12 
13 #include <zephyr/kernel.h>
14 #include <zephyr/posix/fcntl.h>
15 #include <zephyr/posix/sys/stat.h>
16 #include <zephyr/posix/posix_types.h>
17 
18 #ifdef __cplusplus
19 extern "C" {
20 #endif
21 
22 typedef void *mqd_t;
23 
24 struct mq_attr {
25 	long mq_flags;
26 	long mq_maxmsg;
27 	long mq_msgsize;
28 	long mq_curmsgs;	/* Number of messages currently queued. */
29 };
30 
31 mqd_t mq_open(const char *name, int oflags, ...);
32 int mq_close(mqd_t mqdes);
33 int mq_unlink(const char *name);
34 int mq_getattr(mqd_t mqdes, struct mq_attr *mqstat);
35 int mq_receive(mqd_t mqdes, char *msg_ptr, size_t msg_len,
36 		   unsigned int *msg_prio);
37 int mq_send(mqd_t mqdes, const char *msg_ptr, size_t msg_len,
38 	    unsigned int msg_prio);
39 int mq_setattr(mqd_t mqdes, const struct mq_attr *mqstat,
40 	       struct mq_attr *omqstat);
41 int mq_timedreceive(mqd_t mqdes, char *msg_ptr, size_t msg_len,
42 			unsigned int *msg_prio, const struct timespec *abstime);
43 int mq_timedsend(mqd_t mqdes, const char *msg_ptr, size_t msg_len,
44 		 unsigned int msg_prio, const struct timespec *abstime);
45 int mq_notify(mqd_t mqdes, const struct sigevent *notification);
46 
47 #ifdef __cplusplus
48 }
49 #endif
50 
51 #endif  /* ZEPHYR_INCLUDE_POSIX_MESSAGE_PASSING_H_ */
52