285 lines
10 KiB
C
285 lines
10 KiB
C
/*-
|
|
* 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 <machine/atomic.h>
|
|
#include <machine/cpufunc.h>
|
|
#include <sys/callout.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 int dumping; /* system is dumping */
|
|
extern char version[]; /* system version */
|
|
extern char copyright[]; /* system copyright */
|
|
|
|
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 dev_t rootdevs[2]; /* possible root devices */
|
|
extern char *rootdevnames[2]; /* names of possible root devices */
|
|
extern struct vnode *rootvp; /* vnode equivalent to above */
|
|
|
|
extern int boothowto; /* reboot flags, from console subsystem */
|
|
extern int bootverbose; /* nonzero to print verbose messages */
|
|
|
|
#ifdef INVARIANTS /* The option is always available */
|
|
#define KASSERT(exp,msg) do { if (!(exp)) panic msg; } while (0)
|
|
#else
|
|
#define KASSERT(exp,msg)
|
|
#endif
|
|
|
|
/*
|
|
* General function declarations.
|
|
*/
|
|
|
|
struct clockframe;
|
|
struct malloc_type;
|
|
struct mtx;
|
|
struct proc;
|
|
struct timeval;
|
|
struct tty;
|
|
struct ucred;
|
|
struct uio;
|
|
|
|
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, struct malloc_type *type, u_long *hashmask));
|
|
void *phashinit __P((int count, struct malloc_type *type, u_long *nentries));
|
|
|
|
void cpu_boot __P((int));
|
|
void cpu_rootconf __P((void));
|
|
void tablefull __P((const char *));
|
|
int kvprintf __P((char const *, void (*)(int, void*), void *, int,
|
|
_BSD_VA_LIST_)) __printflike(1, 0);
|
|
void log __P((int, const char *, ...)) __printflike(2, 3);
|
|
void log_console __P((struct uio *));
|
|
int printf __P((const char *, ...)) __printflike(1, 2);
|
|
int snprintf __P((char *, size_t, const char *, ...)) __printflike(3, 4);
|
|
int sprintf __P((char *buf, const char *, ...)) __printflike(2, 3);
|
|
int uprintf __P((const char *, ...)) __printflike(1, 2);
|
|
int vprintf __P((const char *, _BSD_VA_LIST_)) __printflike(1, 0);
|
|
int vsnprintf __P((char *, size_t, const char *, _BSD_VA_LIST_)) __printflike(3, 0);
|
|
int vsprintf __P((char *buf, const char *, _BSD_VA_LIST_)) __printflike(2, 0);
|
|
int ttyprintf __P((struct tty *, const char *, ...)) __printflike(2, 3);
|
|
int sscanf __P((const char *, char const *, ...));
|
|
int vsscanf __P((const char *, char const *, _BSD_VA_LIST_));
|
|
long strtol __P((const char *, char **, int));
|
|
u_long strtoul __P((const char *, char **, int));
|
|
quad_t strtoq __P((const char *, char **, int));
|
|
u_quad_t strtouq __P((const char *, char **, int));
|
|
void tprintf __P((struct proc *p, int pri, const char *, ...)) __printflike(3, 4);
|
|
|
|
void bcopy __P((const void *from, void *to, size_t len));
|
|
void ovbcopy __P((const void *from, void *to, size_t len));
|
|
|
|
#ifdef __i386__
|
|
extern void (*bzero) __P((void *buf, size_t len));
|
|
#else
|
|
void bzero __P((void *buf, size_t len));
|
|
#endif
|
|
|
|
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 subyte __P((void *base, int byte));
|
|
int suibyte __P((void *base, int byte));
|
|
long fuword __P((const void *base));
|
|
int suword __P((void *base, long word));
|
|
int fusword __P((void *base));
|
|
int susword __P((void *base, int word));
|
|
|
|
void realitexpire __P((void *));
|
|
|
|
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));
|
|
|
|
/* flags for suser_xxx() */
|
|
#define PRISON_ROOT 1
|
|
|
|
int suser __P((const struct proc *));
|
|
int suser_xxx __P((const struct ucred *cred, const struct proc *proc,
|
|
int flag));
|
|
|
|
char *getenv __P((char *name));
|
|
int getenv_int __P((char *name, int *data));
|
|
quad_t getenv_quad __P((char *name, quad_t *data));
|
|
extern char *kern_envp;
|
|
|
|
#ifdef APM_FIXUP_CALLTODO
|
|
void adjust_timeout_calltodo __P((struct timeval *time_change));
|
|
#endif /* APM_FIXUP_CALLTODO */
|
|
|
|
#include <sys/libkern.h>
|
|
|
|
/* Initialize the world */
|
|
void consinit __P((void));
|
|
void cpu_initclocks __P((void));
|
|
void usrinfoinit __P((void));
|
|
|
|
/* Finalize the world. */
|
|
void shutdown_nice __P((int));
|
|
|
|
/*
|
|
* Kernel to clock driver interface.
|
|
*/
|
|
void inittodr __P((time_t base));
|
|
void resettodr __P((void));
|
|
void startrtclock __P((void));
|
|
|
|
/* Timeouts */
|
|
typedef void timeout_t __P((void *)); /* timeout function type */
|
|
#define CALLOUT_HANDLE_INITIALIZER(handle) \
|
|
{ NULL }
|
|
|
|
void callout_handle_init __P((struct callout_handle *));
|
|
struct callout_handle timeout __P((timeout_t *, void *, int));
|
|
void untimeout __P((timeout_t *, void *, struct callout_handle));
|
|
|
|
/* Stubs for obsolete functions that used to be for interrupt management */
|
|
static __inline void spl0(void) { return; }
|
|
static __inline intrmask_t splbio(void) { return 0; }
|
|
static __inline intrmask_t splcam(void) { return 0; }
|
|
static __inline intrmask_t splclock(void) { return 0; }
|
|
static __inline intrmask_t splhigh(void) { return 0; }
|
|
static __inline intrmask_t splimp(void) { return 0; }
|
|
static __inline intrmask_t splnet(void) { return 0; }
|
|
static __inline intrmask_t splsoftcam(void) { return 0; }
|
|
static __inline intrmask_t splsoftclock(void) { return 0; }
|
|
static __inline intrmask_t splsofttty(void) { return 0; }
|
|
static __inline intrmask_t splsoftvm(void) { return 0; }
|
|
static __inline intrmask_t splsofttq(void) { return 0; }
|
|
static __inline intrmask_t splstatclock(void) { return 0; }
|
|
static __inline intrmask_t spltty(void) { return 0; }
|
|
static __inline intrmask_t splvm(void) { return 0; }
|
|
static __inline void splx(intrmask_t ipl) { return; }
|
|
|
|
#if defined(__ia64__)
|
|
#include <machine/ipl.h>
|
|
#endif
|
|
|
|
/*
|
|
* Various callout lists.
|
|
*/
|
|
|
|
/* Exit callout list declarations. */
|
|
typedef void (*exitlist_fn) __P((struct proc *procp));
|
|
|
|
int at_exit __P((exitlist_fn function));
|
|
int rm_at_exit __P((exitlist_fn function));
|
|
|
|
/* Fork callout list declarations. */
|
|
typedef void (*forklist_fn) __P((struct proc *parent, struct proc *child,
|
|
int flags));
|
|
|
|
int at_fork __P((forklist_fn function));
|
|
int rm_at_fork __P((forklist_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.
|
|
*/
|
|
typedef void (*watchdog_tickle_fn) __P((void));
|
|
|
|
extern watchdog_tickle_fn wdog_tickler;
|
|
|
|
/*
|
|
* Common `proc' functions are declared here so that proc.h can be included
|
|
* less often.
|
|
*/
|
|
int msleep __P((void *chan, struct mtx *mtx, int pri, const char *wmesg,
|
|
int timo));
|
|
#define tsleep(chan, pri, wmesg, timo) msleep(chan, NULL, pri, wmesg, timo)
|
|
int asleep __P((void *chan, int pri, const char *wmesg, int timo));
|
|
#define await(pri, timo) mawait(NULL, pri, timo)
|
|
int mawait __P((struct mtx *mtx, int pri, int timo));
|
|
void wakeup __P((void *chan));
|
|
void wakeup_one __P((void *chan));
|
|
|
|
/*
|
|
* Common `dev_t' stuff are declared here to avoid #include poisoning
|
|
*/
|
|
|
|
int major(dev_t x);
|
|
int minor(dev_t x);
|
|
dev_t makedev(int x, int y);
|
|
udev_t dev2udev(dev_t x);
|
|
dev_t udev2dev(udev_t x, int b);
|
|
int uminor(udev_t dev);
|
|
int umajor(udev_t dev);
|
|
udev_t makeudev(int x, int y);
|
|
|
|
/* XXX: Should be void nanodelay(u_int nsec); */
|
|
void DELAY __P((int usec));
|
|
|
|
#endif /* !_SYS_SYSTM_H_ */
|