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Diffstat (limited to 'ext/sctp/usrsctp/usrsctplib/user_environment.h')
| -rw-r--r-- | ext/sctp/usrsctp/usrsctplib/user_environment.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/ext/sctp/usrsctp/usrsctplib/user_environment.h b/ext/sctp/usrsctp/usrsctplib/user_environment.h new file mode 100644 index 000000000..0c2ec9db2 --- /dev/null +++ b/ext/sctp/usrsctp/usrsctplib/user_environment.h @@ -0,0 +1,118 @@ +/*- + * 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); +int read_random(void *, int); + +/* 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> + +static inline void +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 |