text: /*
   * Copyright (c) 2018 Intel Corporation
   *
   * SPDX-License-Identifier: Apache-2.0
   */
  
  #ifndef ZEPHYR_INCLUDE_POSIX_MQUEUE_H_
  #define ZEPHYR_INCLUDE_POSIX_MQUEUE_H_
  
  #include <kernel.h>
  #include <posix/time.h>
  #include <fcntl.h>
  #include "posix_types.h"
  #include "sys/stat.h"
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  typedef void *mqd_t;
  
  typedef struct mq_attr {
  	long mq_flags;
  	long mq_maxmsg;
  	long mq_msgsize;
  	long mq_curmsgs;	/* Number of messages currently queued. */
  } mq_attr;
  
  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);
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif  /* ZEPHYR_INCLUDE_POSIX_MQUEUE_H_ */
  