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Diffstat (limited to 'contrib/ngatm/libngatm/sscfucust.h')
-rw-r--r-- | contrib/ngatm/libngatm/sscfucust.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/contrib/ngatm/libngatm/sscfucust.h b/contrib/ngatm/libngatm/sscfucust.h new file mode 100644 index 0000000..5168ef4 --- /dev/null +++ b/contrib/ngatm/libngatm/sscfucust.h @@ -0,0 +1,108 @@ +/* + * 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/libunimsg/sscfucust.h,v 1.3 2003/09/19 13:10:35 hbb 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 |