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libipc-old
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libipc-old/lib/communication.h

50 lines
1.1 KiB
C

#ifndef __COMMUNICATION_H__
#define __COMMUNICATION_H__
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "process.h"
#include <unistd.h> // unlink
#include <sys/types.h> // mkfifo
#include <sys/stat.h> // mkfifo
#include <fcntl.h> // open
#include <errno.h> // error numbers
#define COMMUNICATION_VERSION 1
struct service {
unsigned int version;
unsigned int index;
};
int srv_path (char *buf, const char *sname);
int srv_get_new_process (struct process *proc, const char * spath);
/*
* returns
* 0 : ok
* 1 : no service name
* 2 : service name too long
* 3 : unable to create fifo
*/
int srv_create (const char *sname);
int srv_close (const char *sname);
int srv_read (struct process *, void * buf, size_t *);
int srv_write (struct process *, void * buf, size_t);
// APPLICATION
int app_create (struct process *, int index); // called by the application
int app_destroy (struct process *); // called by the application
int app_read (struct process *, void * buf, size_t *);
int app_write (struct process *, void * buf, size_t);
#endif