/*- * Copyright (c) 1982, 1988, 1991, 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. * * @(#)systm.h 8.7 (Berkeley) 3/29/95 * $FreeBSD$ */ #ifndef _SYS_SYSTM_H_ #define _SYS_SYSTM_H_ #include extern int securelevel; /* system security level (see init(8)) */ extern int cold; /* nonzero if we are doing a cold boot */ extern const char *panicstr; /* panic message */ extern char version[]; /* system version */ extern char copyright[]; /* system copyright */ extern int nblkdev; /* number of entries in bdevsw */ extern int nchrdev; /* number of entries in cdevsw */ extern struct swdevt *swdevt; /* swap-device information */ extern int nswdev; /* number of swap devices */ extern int nswap; /* size of swap space */ extern int selwait; /* select timeout address */ extern u_char curpriority; /* priority of current process */ extern int physmem; /* physical memory */ extern dev_t dumpdev; /* dump device */ extern long dumplo; /* offset into dumpdev */ extern dev_t rootdev; /* root device */ extern struct vnode *rootvp; /* vnode equivalent to above */ extern dev_t swapdev; /* swapping device */ extern struct vnode *swapdev_vp;/* vnode equivalent to above */ extern int boothowto; /* reboot flags, from console subsystem */ extern int bootverbose; /* nonzero to print verbose messages */ /* * General function declarations. */ void Debugger __P((const char *msg)); int nullop __P((void)); int eopnotsupp __P((void)); int einval __P((void)); int seltrue __P((dev_t dev, int which, struct proc *p)); int ureadc __P((int, struct uio *)); void *hashinit __P((int count, int type, u_long *hashmask)); void *phashinit __P((int count, int type, u_long *nentries)); void panic __P((const char *, ...)) __dead2; void boot __P((int)) __dead2; void cpu_boot __P((int)); void tablefull __P((const char *)); int addlog __P((const char *, ...)); int kvprintf __P((char const *, void (*)(int, void*), void *, int, _BSD_VA_LIST_)); void log __P((int, const char *, ...)); int printf __P((const char *, ...)); int sprintf __P((char *buf, const char *, ...)); void uprintf __P((const char *, ...)); void vprintf __P((const char *, _BSD_VA_LIST_)); void ttyprintf __P((struct tty *, const char *, ...)); void bcopy __P((const void *from, void *to, size_t len)); void ovbcopy __P((const void *from, void *to, size_t len)); extern void (*bzero) __P((void *buf, size_t len)); void *memcpy __P((void *to, const void *from, size_t len)); int copystr __P((const void *kfaddr, void *kdaddr, size_t len, size_t *lencopied)); int copyinstr __P((const void *udaddr, void *kaddr, size_t len, size_t *lencopied)); int copyin __P((const void *udaddr, void *kaddr, size_t len)); int copyout __P((const void *kaddr, void *udaddr, size_t len)); int fubyte __P((const void *base)); int fuibyte __P((const void *base)); int subyte __P((void *base, int byte)); int suibyte __P((void *base, int byte)); int fuword __P((const void *base)); int suword __P((void *base, int word)); int susword __P((void *base, int word)); int hzto __P((struct timeval *tv)); void realitexpire __P((void *)); struct clockframe; void hardclock __P((struct clockframe *frame)); void softclock __P((void)); void statclock __P((struct clockframe *frame)); void startprofclock __P((struct proc *)); void stopprofclock __P((struct proc *)); void setstatclockrate __P((int hzrate)); void hardupdate __P((long)); void hardpps __P((struct timeval *tvp, long usec)); #include /* Initialize the world */ extern void consinit(void); extern void usrinfoinit(void); extern void cpu_initclocks(void); extern void vntblinit(void); extern void nchinit(void); /* Finalize the world. */ void shutdown_nice __P((void)); /* * Kernel to clock driver interface. */ void inittodr __P((time_t base)); void resettodr __P((void)); void startrtclock __P((void)); /* Timeouts */ typedef void (timeout_t)(void *); /* actual timeout function type */ typedef timeout_t *timeout_func_t; /* a pointer to this type */ void timeout(timeout_func_t, void *, int); void untimeout(timeout_func_t, void *); void logwakeup __P((void)); /* Various other callout lists that modules might want to know about */ /* shutdown callout list definitions */ typedef void (*bootlist_fn)(int,void *); int at_shutdown(bootlist_fn function, void *arg, int); int rm_at_shutdown(bootlist_fn function, void *arg); #define SHUTDOWN_PRE_SYNC 0 #define SHUTDOWN_POST_SYNC 1 /* forking */ /* XXX not yet */ typedef void (*forklist_fn)(struct proc *parent,struct proc *child,int flags); int at_fork(forklist_fn function); int rm_at_fork(forklist_fn function); /* exiting */ typedef void (*exitlist_fn)(struct proc *procp); int at_exit(exitlist_fn function); int rm_at_exit(exitlist_fn function); /* * Common `proc' functions are declared here so that proc.h can be included * less often. */ int tsleep __P((void *chan, int pri, char *wmesg, int timo)); void wakeup __P((void *chan)); #endif /* !_SYS_SYSTM_H_ */