66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
/*
|
|
* comm.h - Fakefile IPC functions
|
|
*
|
|
* Copyright 2012 by Werner Almesberger
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*/
|
|
|
|
#ifndef COMM_H
|
|
#define COMM_H
|
|
|
|
#include <sys/types.h>
|
|
|
|
|
|
#define FAKEFILE_MASTER_OUT_VAR "FAKEFILE_MASTER_OUT"
|
|
#define FAKEFILE_MASTER_IN_VAR "FAKEFILE_MASTER_IN"
|
|
|
|
|
|
struct fakefile_peer;
|
|
struct fakefile_msg;
|
|
|
|
struct fakefile_peer *fakefile_peer(int in, int out);
|
|
void fakefile_peer_close(struct fakefile_peer *peer);
|
|
int fakefile_peer_fd(const struct fakefile_peer *peer);
|
|
|
|
struct fakefile_msg *fakefile_msg_new(struct fakefile_peer *peer,
|
|
int size);
|
|
struct fakefile_msg *fakefile_msg_recv(struct fakefile_peer *peer);
|
|
void fakefile_msg_end(struct fakefile_msg *msg);
|
|
|
|
void fakefile_msg_add(struct fakefile_msg *msg, const void *buf, size_t len);
|
|
void fakefile_msg_get(struct fakefile_msg *msg, void *buf, size_t len);
|
|
|
|
|
|
#define decl_add(type) \
|
|
static inline void fakefile_msg_add_##type( \
|
|
struct fakefile_msg *msg, type value) \
|
|
{ \
|
|
fakefile_msg_add(msg, &value, sizeof(value)); \
|
|
}
|
|
|
|
#define decl_get(type) \
|
|
static inline type fakefile_msg_get_##type( \
|
|
struct fakefile_msg *msg) \
|
|
{ \
|
|
type value; \
|
|
\
|
|
fakefile_msg_get(msg, &value, sizeof(value)); \
|
|
return value; \
|
|
}
|
|
|
|
#define decl_access(type) decl_add(type) decl_get(type)
|
|
|
|
decl_access(int)
|
|
decl_access(size_t)
|
|
decl_access(ssize_t)
|
|
|
|
#undef decl_add
|
|
#undef decl_get
|
|
#undef decl_access
|
|
|
|
#endif /* !COMM_H */
|