basicsharedmemqueue.cpp File Reference

#include "basicsharedmemqueue.h"
#include <BasicUtils/BasicException.h>
#include <sys/shm.h>
#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#include <errno.h>
#include <unistd.h>
#include <string>

Include dependency graph for basicsharedmemqueue.cpp:

Defines
#define	MIN(x, y)   (x < y ? x : y)
#define	MAX(x, y)   (x > y ? x : y)
#define	FMOD(x, y)   (x < y ? x : (x) - (y))
#define	BUF_SPACE   (FMOD((control->size - control->write) + control->read - 1, control->size))
#define	BUF_FILLED   (FMOD((control->size - control->read) + control->write, control->size))
#define	SEM_LOCK   if (control && control->host_attached) sem.lock();
#define	SEM_UNLOCK   if (control && control->host_attached) sem.unlock();
Functions
int	circularwrite (unsigned char *dest, size_t size, const unsigned char *src, size_t start, size_t n)
int	circularread (unsigned char *dest, const unsigned char *src, size_t size, size_t start, size_t n)

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Define Documentation

#define MIN (  x, y   )     (x < y ? x : y)

#define MAX (  x, y   )     (x > y ? x : y)

#define FMOD (  x, y   )     (x < y ? x : (x) - (y))

#define BUF_SPACE   (FMOD((control->size - control->write) + control->read - 1, control->size))

#define BUF_FILLED   (FMOD((control->size - control->read) + control->write, control->size))

#define SEM_LOCK   if (control && control->host_attached) sem.lock();

#define SEM_UNLOCK   if (control && control->host_attached) sem.unlock();

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Function Documentation

int circularwrite (  unsigned char *  dest, size_t  size, const unsigned char *  src, size_t  start, size_t  n )

int circularread (  unsigned char *  dest, const unsigned char *  src, size_t  size, size_t  start, size_t  n )

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