/*- * 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: head/sys/sys/systm.h 79418 2001-07-08 04:56:07Z julian $ */ #ifndef _SYS_SYSTM_H_ #define _SYS_SYSTM_H_ #include #include #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 int dumping; /* system is dumping */ extern char version[]; /* system version */ extern char copyright[]; /* system copyright */ extern int nswap; /* size of swap space */ extern struct cv selwait; /* select conditional variable */ 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; struct _jmp_buf; int setjmp __P((struct _jmp_buf *)); void longjmp __P((struct _jmp_buf *, int)) __dead2; void Debugger __P((const char *msg)); int dumpstatus __P((vm_offset_t addr, long count)); 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 hardclock_process __P((struct proc *p, int user)); void softclock __P((void *)); void statclock __P((struct clockframe *frame)); void statclock_process __P((struct proc *p, register_t pc, int user)); 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((struct proc *)); int suser_xxx __P((struct ucred *cred, struct proc *proc, int flag)); int u_cansee __P((struct ucred *u1, struct ucred *u2)); char *getenv __P((const char *name)); int getenv_int __P((const char *name, int *data)); quad_t getenv_quad __P((const 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 /* 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; } /* * 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_ */