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-rw-r--r--nuttx/include/mqueue.h109
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diff --git a/nuttx/include/mqueue.h b/nuttx/include/mqueue.h
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--- a/nuttx/include/mqueue.h
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-/********************************************************************************
- * include/mqueue.h
- *
- * Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <gnutt@nuttx.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- ********************************************************************************/
-
-#ifndef __INCLUDE_MQUEUE_H
-#define __INCLUDE_MQUEUE_H
-
-/********************************************************************************
- * Included Files
- ********************************************************************************/
-
-#include <sys/types.h>
-#include <signal.h>
-#include "queue.h"
-
-/********************************************************************************
- * Compilations Switches
- ********************************************************************************/
-
-/********************************************************************************
- * Definitions
- ********************************************************************************/
-
-#define MQ_NONBLOCK O_NONBLOCK
-
-/********************************************************************************
- * Global Type Declarations
- ********************************************************************************/
-
-/* Message queue attributes */
-
-struct mq_attr
-{
- size_t mq_maxmsg; /* Max number of messages in queue */
- size_t mq_msgsize; /* Max message size */
- unsigned mq_flags; /* Queue flags */
- size_t mq_curmsgs; /* Number of messages currently in queue */
-};
-
-/* Message queue descriptor */
-
-typedef FAR struct mq_des *mqd_t;
-
-/********************************************************************************
- * Global Variables
- ********************************************************************************/
-
-/********************************************************************************
- * Global Function Prototypes
- ********************************************************************************/
-
-#ifdef __cplusplus
-#define EXTERN extern "C"
-extern "C" {
-#else
-#define EXTERN extern
-#endif
-
-EXTERN mqd_t mq_open(const char *mq_name, int oflags, ...);
-EXTERN int mq_close(mqd_t mqdes );
-EXTERN int mq_unlink(const char *mq_name);
-EXTERN int mq_send(mqd_t mqdes, const void *msg, size_t msglen, int prio);
-EXTERN int mq_timedsend(mqd_t mqdes, const char *msg, size_t msglen, int prio,
- const struct timespec *abstime);
-EXTERN ssize_t mq_receive(mqd_t mqdes, void *msg, size_t msglen, int *prio);
-EXTERN ssize_t mq_timedreceive(mqd_t mqdes, void *msg, size_t msglen,
- int *prio, const struct timespec *abstime);
-EXTERN int mq_notify(mqd_t mqdes, const struct sigevent *notification);
-EXTERN int mq_setattr(mqd_t mqdes, const struct mq_attr *mq_stat,
- struct mq_attr *oldstat);
-EXTERN int mq_getattr(mqd_t mqdes, struct mq_attr *mq_stat);
-
-#undef EXTERN
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* __INCLUDE_MQUEUE_H */