1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
/*-
* 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 0x60
#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
|
