/*-
* 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 __FreeBSD__
#ifndef _SYS_MUTEX_H_
#include <sys/mutex.h>
#endif
#endif
#if defined (_WIN32)
#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 ephemeral 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 (_MSC_VER) && !defined (__MINGW32__)
#define min(a,b) (((a)>(b))?(b):(a))
#define max(a,b) (((a)>(b))?(a):(b))
#endif
void init_random(void );
void read_random(void *, size_t);
void finish_random(void );
/* 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 (__linux__)
#define IPV6_VERSION 0 x60
#endif
#if defined (INVARIANTS)
#include <stdlib.h>
#if defined (_WIN32)
static inline void __declspec(noreturn)
#else
static inline void __attribute__((__noreturn__))
#endif
terminate_non_graceful(void ) {
abort();
}
#define panic(...) \
do { \
SCTP_PRINTF("%s(): " , __func__); \
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
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