msg-queue.c File Reference

#include "msg-queue.h"
#include <string.h>

Data Structures
struct	ndn_msg

Macros
#define	NDN_MSG_PADDING   (ndn_msg_callback)(-1)
	Padding message. More...
#define	MSGQUEUE_NEXT(ptr)

Typedefs
typedef struct ndn_msg	ndn_msg_t

Functions
void	ndn_msgqueue_init (void)
	Init the message queue. More...
bool	ndn_msgqueue_empty (void)
	Return if the messque queue is empty. More...
bool	ndn_msgqueue_dispatch (void)
	Dispatch a message on the top of the queue. More...
struct ndn_msg *	ndn_msgqueue_post (void *target, ndn_msg_callback reason, size_t param_length, void *param)
	Post a message to the queue. More...
void	ndn_msgqueue_process (void)
	Dispatch current messages. More...
void	ndn_msgqueue_cancel (struct ndn_msg *msg)
	Cancel a posted message. More...

Variables
static uint8_t	msg_queue [NDN_MSGQUEUE_SIZE]
static ndn_msg_t *	pfront
static ndn_msg_t *	ptail
static ndn_msg_t *	psplit

Macro Definition Documentation

MSGQUEUE_NEXT

#define MSGQUEUE_NEXT

(

ptr

)

Value:

ptr = (ndn_msg_t*)(((uint8_t*)ptr) + ptr->length); \
  if(((uint8_t*)ptr) >= &msg_queue[NDN_MSGQUEUE_SIZE]){ \
    ptr = (ndn_msg_t*)&msg_queue[0]; \
  };

NDN_MSG_PADDING

#define NDN_MSG_PADDING   (ndn_msg_callback)(-1)

Padding message.

This will only occur at the end of the queue. When the last message's func is NDN_MSG_PADDING, it means the next message is at the begining of the queue and has a size larger than this padding one.

Typedef Documentation

ndn_msg_t

typedef struct ndn_msg ndn_msg_t

Variable Documentation

msg_queue

uint8_t msg_queue[NDN_MSGQUEUE_SIZE]

static

pfront

ndn_msg_t* pfront

static

psplit

ndn_msg_t * psplit

static

ptail

ndn_msg_t * ptail

static