Virgin import of the NgATM SAAL layer user part v0.9.

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