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Diffstat (limited to '')
| -rw-r--r-- | c/src/lib/libnetworking/sys/kernel.h | 251 |
1 files changed, 0 insertions, 251 deletions
diff --git a/c/src/lib/libnetworking/sys/kernel.h b/c/src/lib/libnetworking/sys/kernel.h deleted file mode 100644 index 35bce70bd6..0000000000 --- a/c/src/lib/libnetworking/sys/kernel.h +++ /dev/null @@ -1,251 +0,0 @@ -/*- - * Copyright (c) 1995 Terrence R. Lambert - * All rights reserved. - * - * Copyright (c) 1990, 1993 - * The Regents of the University of California. All rights reserved. - * (c) UNIX System Laboratories, Inc. - * All or some portions of this file are derived from material licensed - * to the University of California by American Telephone and Telegraph - * Co. or Unix System Laboratories, Inc. and are reproduced herein with - * the permission of UNIX System Laboratories, Inc. - * - * 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. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. - * - * @(#)kernel.h 8.3 (Berkeley) 1/21/94 - * $Id$ - */ - -#ifndef _SYS_KERNEL_H_ -#define _SYS_KERNEL_H_ - -/* Global variables for the kernel. */ - -/* 1.1 */ -extern long hostid; -extern char hostname[MAXHOSTNAMELEN]; -extern int hostnamelen; -extern char domainname[MAXHOSTNAMELEN]; -extern int domainnamelen; -extern char kernelname[MAXPATHLEN]; - -/* 1.2 */ -extern volatile struct timeval mono_time; -extern struct timeval boottime; -extern struct timeval runtime; -/* extern volatile struct timeval time; */ -extern struct timezone tz; /* XXX */ - -extern int tick; /* usec per tick (1000000 / hz) */ -extern int hz; /* system clock's frequency */ -extern int psratio; /* ratio: prof / stat */ -extern int stathz; /* statistics clock's frequency */ -extern int profhz; /* profiling clock's frequency */ -extern int ticks; -extern int lbolt; /* once a second sleep address */ -extern int tickdelta; -extern long timedelta; - -/* - * The following macros are used to declare global sets of objects, which - * are collected by the linker into a `struct linker_set' as defined below. - * - * NB: the constants defined below must match those defined in - * ld/ld.h. Since their calculation requires arithmetic, we - * can't name them symbolically (e.g., 23 is N_SETT | N_EXT). - */ -#define MAKE_SET(set, sym, type) -#define TEXT_SET(set, sym) MAKE_SET(set, sym, 23) -#define DATA_SET(set, sym) MAKE_SET(set, sym, 25) -#define BSS_SET(set, sym) MAKE_SET(set, sym, 27) -#define ABS_SET(set, sym) MAKE_SET(set, sym, 21) - - -/* - * Enumerated types for known system startup interfaces. - * - * Startup occurs in ascending numeric order; the list entries are - * sorted prior to attempting startup to guarantee order. Items - * of the same level are arbitrated for order based on the 'order' - * element. - * - * These numbers are arbitrary and are chosen ONLY for ordering; the - * enumeration values are explicit rather than implicit to provide - * for binary compatibility with inserted elements. - * - * The SI_SUB_RUN_SCHEDULER value must have the highest lexical value. - * - * The SI_SUB_CONSOLE and SI_SUB_SWAP values represent values used by - * the BSD 4.4Lite but not by FreeBSD; they are maintained in dependent - * order to support porting. - * - * The SI_SUB_PROTO_BEGIN and SI_SUB_PROTO_END bracket a range of - * initializations to take place at splimp(). This is a historical - * wart that should be removed -- probably running everything at - * splimp() until the first init that doesn't want it is the correct - * fix. They are currently present to ensure historical behavior. - */ -enum sysinit_sub_id { - SI_SUB_DUMMY = 0x00000000, /* not executed; for linker*/ - SI_SUB_CONSOLE = 0x08000000, /* console*/ - SI_SUB_COPYRIGHT = 0x08000001, /* first use of console*/ - SI_SUB_VM = 0x10000000, /* virtual memory system init*/ - SI_SUB_KMEM = 0x18000000, /* kernel memory*/ - SI_SUB_CPU = 0x20000000, /* CPU resource(s)*/ - SI_SUB_DEVFS = 0x22000000, /* get DEVFS ready */ - SI_SUB_DRIVERS = 0x23000000, /* Let Drivers initialize */ - SI_SUB_CONFIGURE = 0x24000000, /* Configure devices */ - SI_SUB_INTRINSIC = 0x28000000, /* proc 0*/ - SI_SUB_RUN_QUEUE = 0x30000000, /* the run queue*/ - SI_SUB_VM_CONF = 0x38000000, /* config VM, set limits*/ - SI_SUB_VFS = 0x40000000, /* virtual file system*/ - SI_SUB_CLOCKS = 0x48000000, /* real time and stat clocks*/ - SI_SUB_MBUF = 0x50000000, /* mbufs*/ - SI_SUB_CLIST = 0x58000000, /* clists*/ - SI_SUB_SYSV_SHM = 0x64000000, /* System V shared memory*/ - SI_SUB_SYSV_SEM = 0x68000000, /* System V semaphores*/ - SI_SUB_SYSV_MSG = 0x6C000000, /* System V message queues*/ - SI_SUB_PSEUDO = 0x70000000, /* pseudo devices*/ - SI_SUB_PROTO_BEGIN = 0x80000000, /* XXX: set splimp (kludge)*/ - SI_SUB_PROTO_IF = 0x84000000, /* interfaces*/ - SI_SUB_PROTO_DOMAIN = 0x88000000, /* domains (address families?)*/ - SI_SUB_PROTO_END = 0x8fffffff, /* XXX: set splx (kludge)*/ - SI_SUB_KPROF = 0x90000000, /* kernel profiling*/ - SI_SUB_KICK_SCHEDULER = 0xa0000000, /* start the timeout events*/ - SI_SUB_ROOT = 0xb0000000, /* root mount*/ - SI_SUB_ROOT_FDTAB = 0xb8000000, /* root vnode in fd table...*/ - SI_SUB_SWAP = 0xc0000000, /* swap*/ - SI_SUB_INTRINSIC_POST = 0xd0000000, /* proc 0 cleanup*/ - SI_SUB_KTHREAD_INIT = 0xe0000000, /* init process*/ - SI_SUB_KTHREAD_PAGE = 0xe4000000, /* pageout daemon*/ - SI_SUB_KTHREAD_VM = 0xe8000000, /* vm daemon*/ - SI_SUB_KTHREAD_UPDATE = 0xec000000, /* update daemon*/ - SI_SUB_RUN_SCHEDULER = 0xffffffff /* scheduler: no return*/ -}; - - -/* - * Some enumerated orders; "ANY" sorts last. - */ -enum sysinit_elem_order { - SI_ORDER_FIRST = 0x00000000, /* first*/ - SI_ORDER_SECOND = 0x00000001, /* second*/ - SI_ORDER_THIRD = 0x00000002, /* third*/ - SI_ORDER_MIDDLE = 0x10000000, /* somewhere in the middle */ - SI_ORDER_ANY = 0xffffffff /* last*/ -}; - - -/* - * System initialization call types; currently two are supported... one - * to do a simple function call and one to cause a process to be started - * by the kernel on the callers behalf. - */ -typedef enum sysinit_elem_type { - SI_TYPE_DEFAULT = 0x00000000, /* No special processing*/ - SI_TYPE_KTHREAD = 0x00000001 /* start kernel thread*/ -} si_elem_t; - - -/* - * A system initialization call instance - * - * The subsystem - */ -struct sysinit { - unsigned int subsystem; /* subsystem identifier*/ - unsigned int order; /* init order within subsystem*/ - void (*func) __P((void *)); /* init function*/ - void *udata; /* multiplexer/argument */ - si_elem_t type; /* sysinit_elem_type*/ -}; - - -/* - * Default: no special processing - */ -#define SYSINIT(uniquifier, subsystem, order, func, ident) - -/* - * Call 'fork()' before calling '(*func)(ident)'; - * for making a kernel 'thread' (or builtin process.) - */ -#define SYSINIT_KT(uniquifier, subsystem, order, func, ident) - - -/* - * A kernel process descriptor; used to start "internal" daemons - * - * Note: global_procpp may be NULL for no global save area - */ -struct kproc_desc { - char *arg0; /* arg 0 (for 'ps' listing)*/ - void (*func) __P((void)); /* "main" for kernel process*/ - struct proc **global_procpp; /* ptr to proc ptr save area*/ -}; - -void kproc_start __P((void *udata)); - -#ifdef PSEUDO_LKM -#include <sys/conf.h> -#include <sys/exec.h> -#include <sys/sysent.h> -#include <sys/lkm.h> - -#define PSEUDO_SET(init, name) \ - extern struct linker_set MODVNOPS; \ - MOD_MISC(name); \ - static int \ - name ## _load(struct lkm_table *lkmtp, int cmd) \ - { init((void *)NULL /* XXX unused (?) */); return 0; } \ - static int \ - name ## _unload(struct lkm_table *lkmtp, int cmd) \ - { return EINVAL; } \ - int \ - name ## _mod(struct lkm_table *lkmtp, int cmd, int ver) { \ - DISPATCH(lkmtp, cmd, ver, name ## _load, name ## _unload, \ - lkm_nullcmd); } -#else /* PSEUDO_LKM */ - -/* - * Compatibility. To be deprecated after LKM is updated. - */ -#define PSEUDO_SET(sym, name) SYSINIT(ps, SI_SUB_PSEUDO, SI_ORDER_ANY, sym, 0) - -#endif /* PSEUDO_LKM */ - -struct linker_set { - int ls_length; - const void *ls_items[1]; /* really ls_length of them, - * trailing NULL */ -}; - -extern struct linker_set execsw_set; - -#endif /* !_SYS_KERNEL_H_*/ |