124 lines
3.9 KiB
C
Executable File
124 lines
3.9 KiB
C
Executable File
/*-
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* Copyright (c) 2009-2010 Brad Penoff
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* Copyright (c) 2009-2010 Humaira Kamal
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* Copyright (c) 2011-2012 Irene Ruengeler
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* Copyright (c) 2011-2012 Michael Tuexen
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _USER_ENVIRONMENT_H_
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#define _USER_ENVIRONMENT_H_
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/* __Userspace__ */
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#include <sys/types.h>
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#ifdef __FreeBSD__
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#ifndef _SYS_MUTEX_H_
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#include <sys/mutex.h>
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#endif
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#endif
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#if defined(_WIN32)
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#include "netinet/sctp_os_userspace.h"
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#endif
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/* maxsockets is used in SCTP_ZONE_INIT call. It refers to
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* kern.ipc.maxsockets kernel environment variable.
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*/
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extern int maxsockets;
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/* int hz; is declared in sys/kern/subr_param.c and refers to kernel timer frequency.
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* See http://ivoras.sharanet.org/freebsd/vmware.html for additional info about kern.hz
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* hz is initialized in void init_param1(void) in that file.
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*/
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extern int hz;
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/* The following two ints define a range of available ephemeral ports. */
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extern int ipport_firstauto, ipport_lastauto;
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/* nmbclusters is used in sctp_usrreq.c (e.g., sctp_init). In the FreeBSD kernel,
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* this is 1024 + maxusers * 64.
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*/
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extern int nmbclusters;
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#if !defined(_MSC_VER) && !defined(__MINGW32__)
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#define min(a,b) (((a)>(b))?(b):(a))
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#define max(a,b) (((a)>(b))?(a):(b))
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#endif
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void init_random(void);
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void read_random(void *, size_t);
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void finish_random(void);
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/* errno's may differ per OS. errno.h now included in sctp_os_userspace.h */
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/* Source: /usr/src/sys/sys/errno.h */
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/* #define ENOSPC 28 */ /* No space left on device */
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/* #define ENOBUFS 55 */ /* No buffer space available */
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/* #define ENOMEM 12 */ /* Cannot allocate memory */
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/* #define EACCES 13 */ /* Permission denied */
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/* #define EFAULT 14 */ /* Bad address */
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/* #define EHOSTDOWN 64 */ /* Host is down */
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/* #define EHOSTUNREACH 65 */ /* No route to host */
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/* Source ip_output.c. extern'd in ip_var.h */
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extern u_short ip_id;
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#if defined(__linux__)
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#define IPV6_VERSION 0x60
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#endif
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#if defined(INVARIANTS)
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#include <stdlib.h>
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#if defined(_WIN32)
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static inline void __declspec(noreturn)
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#else
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static inline void __attribute__((__noreturn__))
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#endif
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terminate_non_graceful(void) {
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abort();
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}
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#define panic(...) \
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do { \
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SCTP_PRINTF("%s(): ", __func__); \
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SCTP_PRINTF(__VA_ARGS__); \
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SCTP_PRINTF("\n"); \
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terminate_non_graceful(); \
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} while (0)
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#define KASSERT(cond, args) \
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do { \
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if (!(cond)) { \
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panic args ; \
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} \
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} while (0)
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#else
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#define KASSERT(cond, args)
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#endif
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/* necessary for sctp_pcb.c */
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extern int ip_defttl;
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#endif
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