109 lines
3.1 KiB
C
109 lines
3.1 KiB
C
/*
|
|
* Copyright (c) 2001-2003
|
|
* Fraunhofer Institute for Open Communication Systems (FhG Fokus).
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* Author: Hartmut Brandt <harti@freebsd.org>
|
|
*
|
|
* $Begemot: libunimsg/libngatm/sscfucust.h,v 1.4 2004/07/08 08:21:40 brandt Exp $
|
|
*
|
|
* Customisation of the SSCFU code for the user space library.
|
|
*/
|
|
#include <sys/types.h>
|
|
#include <sys/queue.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#ifdef SSCFU_DEBUG
|
|
#include <assert.h>
|
|
#endif
|
|
#include <netnatm/unimsg.h>
|
|
|
|
/*
|
|
* Allocate zeroed or non-zeroed memory of some size and cast it.
|
|
* Return NULL on failure.
|
|
*/
|
|
#define MEMINIT()
|
|
|
|
#define MEMZALLOC(PTR,CAST,SIZE) do { \
|
|
void *_m = malloc(SIZE); \
|
|
if (_m != NULL) \
|
|
bzero(_m, SIZE); \
|
|
(PTR) = (CAST)_m; \
|
|
} while(0)
|
|
|
|
#define MEMFREE(PTR) \
|
|
free(PTR)
|
|
|
|
#define SIG_ALLOC(PTR) \
|
|
MEMZALLOC(PTR, struct sscfu_sig *, sizeof(struct sscfu_sig))
|
|
#define SIG_FREE(PTR) \
|
|
MEMFREE(PTR)
|
|
|
|
/*
|
|
* Signal queues
|
|
*/
|
|
typedef TAILQ_ENTRY(sscfu_sig) sscfu_sigq_link_t;
|
|
typedef TAILQ_HEAD(sscfu_sigq, sscfu_sig) sscfu_sigq_head_t;
|
|
#define SIGQ_INIT(Q) TAILQ_INIT(Q)
|
|
#define SIGQ_APPEND(Q,S) TAILQ_INSERT_TAIL(Q, S, link)
|
|
#define SIGQ_GET(Q) \
|
|
({ \
|
|
struct sscfu_sig *_s = NULL; \
|
|
\
|
|
if(!TAILQ_EMPTY(Q)) { \
|
|
_s = TAILQ_FIRST(Q); \
|
|
TAILQ_REMOVE(Q, _s, link); \
|
|
} \
|
|
_s; \
|
|
})
|
|
|
|
#define SIGQ_CLEAR(Q) \
|
|
do { \
|
|
struct sscfu_sig *_s1, *_s2; \
|
|
\
|
|
_s1 = TAILQ_FIRST(Q); \
|
|
while(_s1 != NULL) { \
|
|
_s2 = TAILQ_NEXT(_s1, link); \
|
|
if(_s1->m) \
|
|
MBUF_FREE(_s1->m); \
|
|
SIG_FREE(_s1); \
|
|
_s1 = _s2; \
|
|
} \
|
|
TAILQ_INIT(Q); \
|
|
} while(0)
|
|
|
|
|
|
/*
|
|
* Message buffers
|
|
*/
|
|
#define MBUF_FREE(M) uni_msg_destroy(M)
|
|
|
|
#ifdef SSCFU_DEBUG
|
|
#define ASSERT(S) assert(S)
|
|
#else
|
|
#define ASSERT(S)
|
|
#endif
|