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