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Diffstat (limited to 'c/src/lib/libnetworking/sys/systm.h')
-rw-r--r-- | c/src/lib/libnetworking/sys/systm.h | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/c/src/lib/libnetworking/sys/systm.h b/c/src/lib/libnetworking/sys/systm.h new file mode 100644 index 0000000000..7e14867e70 --- /dev/null +++ b/c/src/lib/libnetworking/sys/systm.h @@ -0,0 +1,198 @@ +/*- + * 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 + * $Id$ + */ + +#ifndef _SYS_SYSTM_H_ +#define _SYS_SYSTM_H_ + +#include <machine/cpufunc.h> + +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 ttyprintf __P((struct tty *, const char *, ...)); + +#define bcopy(f,t,n) memcpy((t),(f),(n)) +#define bzero(p,n) memset((p),(0),(n)) + +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 <sys/libkern.h> + +/* 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); + +/* Not exactly a callout LIST, but a callout entry.. */ +/* Allow an external module to define a hardware watchdog tickler */ +/* Normally a process would do this, but there are times when the */ +/* kernel needs to be able to hold off the watchdog, when the process */ +/* is not active, e.g. when dumping core. Costs us a whole 4 bytes to */ +/* make this generic. the variable is in kern_shutdown.c */ +typedef void (*watchdog_tickle_fn)(void); +extern watchdog_tickle_fn wdog_tickler; + + +/* + * 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_ */ |