coremsgimpl.h File Reference

This header file provides interfaces of the Message Queue Handler which are used by the implementation and the Application Configuration. More...

#include <rtems/score/coremsg.h>
#include <rtems/score/status.h>
#include <rtems/score/chainimpl.h>
#include <rtems/score/threaddispatch.h>
#include <rtems/score/threadqimpl.h>
#include <limits.h>
#include <string.h>

Go to the source code of this file.

Macros
#define	CORE_MESSAGE_QUEUE_SEND_REQUEST   INT_MAX
	Used when appending messages onto a message queue.
#define	CORE_MESSAGE_QUEUE_URGENT_REQUEST   INT_MIN
	Used when prepending messages onto a message queue.
#define	_CORE_message_queue_Set_notify(the_message_queue, the_handler)    do { } while ( 0 )
	Initializes notification information.

Typedefs
typedef int	CORE_message_queue_Submit_types
	The modes in which a message may be submitted to a message queue.
typedef void *(*	CORE_message_queue_Allocate_buffers) (CORE_message_queue_Control *the_message_queue, size_t size, const void *arg)
	This handler shall allocate the message buffer storage area for a message queue.

Functions
void *	_CORE_message_queue_Workspace_allocate (CORE_message_queue_Control *the_message_queue, size_t size, const void *arg)
	This handler allocates the message buffer storage area for a message queue from the RTEMS Workspace.
Status_Control	_CORE_message_queue_Initialize (CORE_message_queue_Control *the_message_queue, CORE_message_queue_Disciplines discipline, uint32_t maximum_pending_messages, size_t maximum_message_size, CORE_message_queue_Allocate_buffers allocate_buffers, const void *arg)
	Initializes a message queue.
void	_CORE_message_queue_Close (CORE_message_queue_Control *the_message_queue, Thread_queue_Context *queue_context)
	Closes a message queue.
uint32_t	_CORE_message_queue_Flush (CORE_message_queue_Control *the_message_queue, Thread_queue_Context *queue_context)
	Flushes pending messages.
Status_Control	_CORE_message_queue_Broadcast (CORE_message_queue_Control *the_message_queue, const void *buffer, size_t size, uint32_t *count, Thread_queue_Context *queue_context)
	Broadcasts a message to the message queue.
Status_Control	_CORE_message_queue_Submit (CORE_message_queue_Control *the_message_queue, Thread_Control *executing, const void *buffer, size_t size, CORE_message_queue_Submit_types submit_type, bool wait, Thread_queue_Context *queue_context)
	Submits a message to the message queue.
Status_Control	_CORE_message_queue_Seize (CORE_message_queue_Control *the_message_queue, Thread_Control *executing, void *buffer, size_t *size_p, bool wait, Thread_queue_Context *queue_context)
	Seizes a message from the message queue.
void	_CORE_message_queue_Insert_message (CORE_message_queue_Control *the_message_queue, CORE_message_queue_Buffer *the_message, const void *content_source, size_t content_size, CORE_message_queue_Submit_types submit_type)
	Inserts a message into the message queue.

Detailed Description

This header file provides interfaces of the Message Queue Handler which are used by the implementation and the Application Configuration.