reactos/drivers/lib/oskittcp/include/freebsd/src/sys/sys/kernel.h

   1 /*-
   2  * Copyright (c) 1990, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  * (c) UNIX System Laboratories, Inc.
   5  * All or some portions of this file are derived from material licensed
   6  * to the University of California by American Telephone and Telegraph
   7  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
   8  * the permission of UNIX System Laboratories, Inc.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. All advertising materials mentioning features or use of this software
  19  *    must display the following acknowledgement:
  20  *      This product includes software developed by the University of
  21  *      California, Berkeley and its contributors.
  22  * 4. Neither the name of the University nor the names of its contributors
  23  *    may be used to endorse or promote products derived from this software
  24  *    without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  *
  38  *      @(#)kernel.h    8.3 (Berkeley) 1/21/94
  39  * $\Id: kernel.h,v 1.9 1995/03/20 19:20:26 wollman Exp $
  40  */
  41
  42 #ifndef _SYS_KERNEL_H_
  43 #define _SYS_KERNEL_H_
  44
  45 /* Global variables for the kernel. */
  46
  47 /* 1.1 */
  48 extern long hostid;
  49 extern char hostname[MAXHOSTNAMELEN];
  50 extern int hostnamelen;
  51 extern char domainname[MAXHOSTNAMELEN];
  52 extern int domainnamelen;
  53 extern char kernelname[MAXPATHLEN];
  54
  55 /* 1.2 */
  56 extern volatile struct timeval mono_time;
  57 extern struct timeval boottime;
  58 extern struct timeval runtime;
  59 #ifdef _MSC_VER /* TODO FIXME - need a library-specific macro for this one */
  60 extern volatile struct timeval kern_time;
  61 #else/*_MSC_VER*/
  62 extern volatile struct timeval time;
  63 #endif/*_MSC_VER*/
  64 extern struct timezone tz;                      /* XXX */
  65
  66 extern int tick;                        /* usec per tick (1000000 / hz) */
  67 extern int hz;                          /* system clock's frequency */
  68 extern int stathz;                      /* statistics clock's frequency */
  69 extern int profhz;                      /* profiling clock's frequency */
  70 extern int ticks;
  71 extern int lbolt;                       /* once a second sleep address */
  72 extern int tickdelta;
  73 extern long timedelta;
  74
  75 /*
  76  * The following macros are used to declare global sets of objects, which
  77  * are collected by the linker into a `struct linker_set' as defined below.
  78  *
  79  * NB: the constants defined below must match those defined in
  80  * ld/ld.h.  Since their calculation requires arithmetic, we
  81  * can't name them symbolically (e.g., 23 is N_SETT | N_EXT).
  82  */
  83 #ifdef _MSC_VER
  84 #define MAKE_SET(set, sym, type)
  85 #else
  86 #define MAKE_SET(set, sym, type) \
  87         asm(".stabs \"_" #set "\", " #type ", 0, 0, _" #sym)
  88 #endif
  89 #define TEXT_SET(set, sym) MAKE_SET(set, sym, 23)
  90 #define DATA_SET(set, sym) MAKE_SET(set, sym, 25)
  91 #define BSS_SET(set, sym)  MAKE_SET(set, sym, 27)
  92 #define ABS_SET(set, sym)  MAKE_SET(set, sym, 21)
  93
  94 #ifdef PSEUDO_LKM
  95 #include <sys/conf.h>
  96 #include <sys/exec.h>
  97 #include <sys/sysent.h>
  98 #include <sys/lkm.h>
  99
 100 #define PSEUDO_SET(init, name) \
 101         extern struct linker_set MODVNOPS; \
 102         MOD_MISC(#name); \
 103         int name ## _load(struct lkm_table *lkmtp, int cmd) \
 104                 { init(); return 0; } \
 105         int name ## _unload(struct lkm_table *lkmtp, int cmd) \
 106                 { return EINVAL; } \
 107         int \
 108         name ## _mod(struct lkm_table *lkmtp, int cmd, int ver) { \
 109                 DISPATCH(lkmtp, cmd, ver, name ## _load, name ## _unload, \
 110                          nosys); }
 111 #else /* PSEUDO_LKM */
 112
 113 #define PSEUDO_SET(sym, name)      TEXT_SET(pseudo_set, sym)
 114
 115 #endif /* PSEUDO_LKM */
 116
 117 struct linker_set {
 118         int ls_length;
 119         caddr_t ls_items[1];    /* really ls_length of them, trailing NULL */
 120 };
 121
 122 extern const struct linker_set execsw_set;
 123
 124 #endif