freebsd-dev/contrib/ngatm/libngatm/unicust.h
2004-08-11 12:17:54 +00:00

124 lines
3.5 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/unicust.h,v 1.4 2003/09/19 13:10:35 hbb Exp $
*
* Customisation of signalling source to user space.
*/
#include <sys/types.h>
#include <sys/queue.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#define ASSERT(E, M) assert(E)
static __inline__ void *
mzalloc(size_t s)
{
void *ptr = malloc(s);
if (ptr)
bzero(ptr, s);
return (ptr);
}
#define INS_ALLOC() mzalloc(sizeof(struct uni))
#define INS_FREE(P) free(P)
#define UNI_ALLOC() mzalloc(sizeof(struct uni_all))
#define UNI_FREE(P) free(P)
#define SIG_ALLOC() mzalloc(sizeof(struct sig))
#define SIG_FREE(P) free(P)
#define CALL_ALLOC() mzalloc(sizeof(struct call))
#define CALL_FREE(P) free(P)
#define PARTY_ALLOC() mzalloc(sizeof(struct party))
#define PARTY_FREE(P) free(P)
/*
* Timers
*/
struct uni_timer {
void *c;
};
#define _TIMER_INIT(X,T) (X)->T.c = NULL
#define _TIMER_DESTROY(U,F) _TIMER_STOP(U,F)
#define _TIMER_STOP(U,F) \
do { \
if (F.c != NULL) { \
(U)->funcs->stop_timer(U, U->arg, F.c); \
F.c = NULL; \
} \
} while(0)
#define _TIMER_START(UNI,ARG,FIELD,DUE,FUNC) \
(void)(FIELD.c = (UNI)->funcs->start_timer(UNI, \
UNI->arg, DUE, FUNC, ARG))
#define TIMER_ISACT(X,T) (X->T.c != NULL)
#define TIMER_FUNC_UNI(T,F) \
static void F(struct uni *); \
static void \
_##T##_func(void *varg) \
{ \
struct uni *uni = (struct uni *)varg; \
uni->T.c = NULL; \
(F)(uni); \
}
/*
* Be careful: call may be invalid after the call to F
*/
#define TIMER_FUNC_CALL(T,F) \
static void F(struct call *); \
static void \
_##T##_func(void *varg) \
{ \
struct call *call = (struct call *)varg; \
call->T.c = NULL; \
(F)(call); \
}
/*
* Be careful: call/party may be invalid after the call to F
*/
#define TIMER_FUNC_PARTY(T,F) \
static void F(struct party *); \
static void \
_##T##_func(void *varg) \
{ \
struct party *party = (struct party *)varg; \
party->T.c = NULL; \
(F)(party); \
}