Squashed 'third_party/rawrtc/usrsctp/' content from commit bd1a92db3
Change-Id: If227cd6edd3243ac26044056b7427ae5bca71ef8
git-subtree-dir: third_party/rawrtc/usrsctp
git-subtree-split: bd1a92db338ba1e57453637959a127032bb566ff
diff --git a/usrsctplib/user_environment.h b/usrsctplib/user_environment.h
new file mode 100755
index 0000000..306ff6b
--- /dev/null
+++ b/usrsctplib/user_environment.h
@@ -0,0 +1,116 @@
+/*-
+ * Copyright (c) 2009-2010 Brad Penoff
+ * Copyright (c) 2009-2010 Humaira Kamal
+ * Copyright (c) 2011-2012 Irene Ruengeler
+ * Copyright (c) 2011-2012 Michael Tuexen
+ *
+ * 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.
+ */
+
+#ifndef _USER_ENVIRONMENT_H_
+#define _USER_ENVIRONMENT_H_
+/* __Userspace__ */
+#include <sys/types.h>
+
+#ifdef __Userspace_os_FreeBSD
+#ifndef _SYS_MUTEX_H_
+#include <sys/mutex.h>
+#endif
+#endif
+#if defined (__Userspace_os_Windows)
+#include "netinet/sctp_os_userspace.h"
+#endif
+
+/* maxsockets is used in SCTP_ZONE_INIT call. It refers to
+ * kern.ipc.maxsockets kernel environment variable.
+ */
+extern int maxsockets;
+
+/* int hz; is declared in sys/kern/subr_param.c and refers to kernel timer frequency.
+ * See http://ivoras.sharanet.org/freebsd/vmware.html for additional info about kern.hz
+ * hz is initialized in void init_param1(void) in that file.
+ */
+extern int hz;
+
+
+/* The following two ints define a range of available ephermal ports. */
+extern int ipport_firstauto, ipport_lastauto;
+
+/* nmbclusters is used in sctp_usrreq.c (e.g., sctp_init). In the FreeBSD kernel,
+ * this is 1024 + maxusers * 64.
+ */
+extern int nmbclusters;
+
+#if !defined (__Userspace_os_Windows)
+#define min(a,b) ((a)>(b)?(b):(a))
+#define max(a,b) ((a)>(b)?(a):(b))
+#endif
+
+extern int read_random(void *buf, int count);
+
+/* errno's may differ per OS. errno.h now included in sctp_os_userspace.h */
+/* Source: /usr/src/sys/sys/errno.h */
+/* #define ENOSPC 28 */ /* No space left on device */
+/* #define ENOBUFS 55 */ /* No buffer space available */
+/* #define ENOMEM 12 */ /* Cannot allocate memory */
+/* #define EACCES 13 */ /* Permission denied */
+/* #define EFAULT 14 */ /* Bad address */
+/* #define EHOSTDOWN 64 */ /* Host is down */
+/* #define EHOSTUNREACH 65 */ /* No route to host */
+
+/* Source ip_output.c. extern'd in ip_var.h */
+extern u_short ip_id;
+
+#if defined(__Userspace_os_Linux)
+#define IPV6_VERSION 0x60
+#endif
+
+#if defined(INVARIANTS)
+#include <stdlib.h>
+
+static inline void
+terminate_non_graceful(void) {
+ abort();
+}
+
+#define panic(...) \
+ do { \
+ SCTP_PRINTF(__VA_ARGS__);\
+ SCTP_PRINTF("\n"); \
+ terminate_non_graceful();\
+} while (0)
+
+#define KASSERT(cond, args) \
+ do { \
+ if (!(cond)) { \
+ panic args ;\
+ } \
+ } while (0)
+#else
+#define KASSERT(cond, args)
+#endif
+
+/* necessary for sctp_pcb.c */
+extern int ip_defttl;
+#endif