sys/sys/systm.h

/*-
 * Copyright (c) 1982, 1988, 1991 The Regents of the University of California.
 * 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.
 * 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.
 *
 *      from: @(#)systm.h       7.17 (Berkeley) 5/25/91
 *      $Id$
 */

#ifndef _SYS_SYSTM_H_
#define _SYS_SYSTM_H_

extern struct sysent {          /* system call table */
        int     sy_narg;        /* number of arguments */
        int     (*sy_call)();   /* implementing function */
} sysent[];

/* Prototypes I needed to fix that kern_exit warning
    ---- this really the first step in the work that's
         been done on sun-lamp to add kernel function
         prototypes.                                 */
void    kexit __P((struct proc *, int));
void    cpu_exit __P((struct proc *));
void    swtch __P((void));


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 int nswdev;              /* number of swap devices */
extern int nswap;               /* size of swap space */

extern int selwait;             /* select timeout address */

extern u_char curpri;           /* priority of current process */

extern int maxmem;              /* max memory per 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 */
#ifdef  KADB
extern char *bootesym;          /* end of symbol info from boot */
#endif

/* casts to keep lint happy */
#define insque(q,p)     _insque((caddr_t)q,(caddr_t)p)
#define remque(q)       _remque((caddr_t)q)

/*
 * General function declarations.
 */


int     nullop __P((void));
int     enodev __P((void));
int     enoioctl __P((void));
int     enxio __P((void));
int     eopnotsupp __P((void));
int     selscan __P((struct proc *p, fd_set *ibits, fd_set *obits,
                int nfd, int *retval));
int     seltrue __P((dev_t dev, int which, struct proc *p));
void    selwakeup  __P((pid_t pid, int coll));

__dead void     panic __P((const char *));
void    tablefull __P((char *));
int     addlog __P((const char *, ...));
void    log __P((int, const char *, ...));
int     printf __P((const char *, ...));
int     sprintf __P((char *buf, const char *, ...));
void    ttyprintf __P((struct tty *, const char *, ...));

void    bcopy __P((void *from, void *to, u_int len));
void    ovbcopy __P((void *from, void *to, u_int len));
void    bzero __P((void *buf, u_int len));
static int      bcmp __P((void *str1, void *str2, u_int len));
static size_t   strlen __P((const char *string));

int     copystr __P((void *kfaddr, void *kdaddr, u_int len, u_int *done));
int     copyinstr __P((void *udaddr, void *kaddr, u_int len, u_int *done));
int     copyoutstr __P((void *kaddr, void *udaddr, u_int len, u_int *done));
int     copyin __P((void *udaddr, void *kaddr, u_int len));
int     copyout __P((void *kaddr, void *udaddr, u_int len));

int     fubyte __P((void *base));
#ifdef notdef
int     fuibyte __P((void *base));
#endif
int     subyte __P((void *base, int byte));
int     suibyte __P((void *base, int byte));
int     fuword __P((void *base));
int     fuiword __P((void *base));
int     suword __P((void *base, int word));
int     suiword __P((void *base, int word));

int     scanc __P((unsigned size, u_char *cp, u_char *table, int mask));
int     skpc __P((int mask, int size, char *cp));
int     locc __P((int mask, char *cp, unsigned size));
static int      ffs __P((long value));

/*
 * XXX - a lot were missing.  A lot are still missing.  Some of the above
 * are inconsistent with ANSI C.  I fixed strlen.  Others are inconsistent
 * with with non-ANSI C due to having unpromoted args.
 */
#define nonint  int             /* really void */
struct  proc;
struct  ringb;
struct  speedtab;

typedef nonint  (*timeout_func_t)       __P((caddr_t arg, int ticks));

nonint  DELAY           __P((int count));
int     getc            __P((struct ringb *rbp));
void    psignal         __P((struct proc *p, int sig));
size_t  rb_write        __P((struct ringb *to, char *buf, size_t nfrom));
void    spinwait        __P((int millisecs));
int     splhigh         __P((void));
int     spltty          __P((void));
int     splx            __P((int new_pri));
#ifdef notyet
nonint  timeout         __P((timeout_func_t func, caddr_t arg, int t));
#endif
void    trapsignal      __P((struct proc *p, int sig, unsigned code));
int     ttioctl         __P((struct tty *tp, int com, caddr_t data, int flag));
nonint  ttsetwater      __P((struct tty *tp));
nonint  ttstart         __P((struct tty *tp));
nonint  ttychars        __P((struct tty *tp));
int     ttyclose        __P((struct tty *tp));
nonint  ttyinput        __P((int c, struct tty *tp));
int     ttysleep        __P((struct tty *tp, caddr_t chan, int pri,
                             char *wmesg, int timo));
int     ttspeedtab      __P((int speed, struct speedtab *table));
nonint  ttwakeup        __P((struct tty *tp));
#ifdef notyet
nonint  wakeup          __P((caddr_t chan));
#endif

#undef  nonint

/*
 * Machine-dependent function declarations.
 */
#include <machine/cpufunc.h>
#endif /* _SYS_SYSTM_H_ */