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Current Path: /usr/include/sys

📁 ..
📄 _atomic64e.h(2.91 KB)
📄 _atomic_subword.h(7.27 KB)
📄 _bitset.h(2.3 KB)
📄 _blockcount.h(1.97 KB)
📄 _bus_dma.h(2.15 KB)
📄 _callout.h(2.68 KB)
📄 _cpuset.h(1.76 KB)
📄 _cscan_atomic.h(18.1 KB)
📄 _cscan_bus.h(10.22 KB)
📄 _domainset.h(2.04 KB)
📄 _eventhandler.h(2.81 KB)
📄 _ffcounter.h(1.84 KB)
📄 _iovec.h(1.93 KB)
📄 _lock.h(2.98 KB)
📄 _lockmgr.h(1.82 KB)
📄 _mutex.h(2.63 KB)
📄 _null.h(1.7 KB)
📄 _pctrie.h(1.65 KB)
📄 _pthreadtypes.h(3.51 KB)
📄 _rangeset.h(1.86 KB)
📄 _rmlock.h(2.59 KB)
📄 _rwlock.h(2.39 KB)
📄 _semaphore.h(2.05 KB)
📄 _seqc.h(160 B)
📄 _sigset.h(2.46 KB)
📄 _smr.h(1.94 KB)
📄 _sockaddr_storage.h(2.37 KB)
📄 _stack.h(1.53 KB)
📄 _stdarg.h(2.15 KB)
📄 _stdint.h(2.6 KB)
📄 _sx.h(1.73 KB)
📄 _task.h(2.62 KB)
📄 _termios.h(7.64 KB)
📄 _timespec.h(2 KB)
📄 _timeval.h(1.88 KB)
📄 _types.h(5.66 KB)
📄 _ucontext.h(2.08 KB)
📄 _uio.h(1.99 KB)
📄 _umtx.h(2.5 KB)
📄 _unrhdr.h(1.92 KB)
📄 _winsize.h(2.14 KB)
📄 aac_ioctl.h(7.56 KB)
📄 abi_compat.h(2.42 KB)
📄 acct.h(4.95 KB)
📄 acl.h(14.62 KB)
📄 agpio.h(5.78 KB)
📄 aio.h(7.69 KB)
📄 alq.h(4.5 KB)
📄 apm.h(88 B)
📄 arb.h(28.88 KB)
📄 assym.h(2.7 KB)
📄 ata.h(45.35 KB)
📄 atomic_common.h(3.26 KB)
📄 auxv.h(1.58 KB)
📄 backlight.h(2.02 KB)
📄 bio.h(6.77 KB)
📄 bitset.h(8.53 KB)
📄 bitstring.h(12.16 KB)
📄 blist.h(3.74 KB)
📄 blockcount.h(3.03 KB)
📄 boot.h(1.8 KB)
📄 buf.h(20.73 KB)
📄 buf_ring.h(10.6 KB)
📄 bufobj.h(5.03 KB)
📄 bus.h(38.2 KB)
📄 bus_dma.h(13.68 KB)
📄 bus_dma_internal.h(2.42 KB)
📄 busdma_bufalloc.h(4.7 KB)
📄 callout.h(6.62 KB)
📄 caprights.h(4.17 KB)
📄 capsicum.h(17.54 KB)
📄 cdefs.h(27.79 KB)
📄 cdio.h(7.09 KB)
📄 cdrio.h(4.88 KB)
📄 cfictl.h(2.21 KB)
📄 chio.h(9.53 KB)
📄 ck.h(251 B)
📄 clock.h(8.07 KB)
📄 cnv.h(4.25 KB)
📄 compressor.h(2.05 KB)
📄 condvar.h(3.42 KB)
📄 conf.h(12.4 KB)
📄 cons.h(5.22 KB)
📄 consio.h(14.01 KB)
📄 copyright.h(1.97 KB)
📄 counter.h(3.02 KB)
📄 coverage.h(2.36 KB)
📄 cpu.h(7.02 KB)
📄 cpuctl.h(2.29 KB)
📄 cpuset.h(5.93 KB)
📄 csan.h(1.71 KB)
📄 ctf.h(14.4 KB)
📄 ctf_api.h(9.43 KB)
📄 ctype.h(2.81 KB)
📄 devctl.h(1.76 KB)
📄 devicestat.h(6.97 KB)
📄 devmap.h(4.04 KB)
📄 dirent.h(4.78 KB)
📁 disk
📄 disk.h(6.31 KB)
📄 disk_zone.h(6.52 KB)
📄 disklabel.h(4.39 KB)
📄 diskmbr.h(1.84 KB)
📄 dkstat.h(2.05 KB)
📄 dnv.h(3.39 KB)
📄 domain.h(3.64 KB)
📄 domainset.h(5.05 KB)
📄 dtrace.h(104.98 KB)
📄 dtrace_bsd.h(6.93 KB)
📄 dvdio.h(3.43 KB)
📄 efi.h(6.21 KB)
📄 efiio.h(2.06 KB)
📄 elf.h(1.6 KB)
📄 elf32.h(7.46 KB)
📄 elf64.h(7.79 KB)
📄 elf_common.h(59.51 KB)
📄 elf_generic.h(2.83 KB)
📄 endian.h(4.98 KB)
📄 epoch.h(4.01 KB)
📄 errno.h(8.29 KB)
📄 eui64.h(2.05 KB)
📄 event.h(12.61 KB)
📄 eventfd.h(1.86 KB)
📄 eventhandler.h(11.8 KB)
📄 eventvar.h(2.46 KB)
📄 exec.h(4.56 KB)
📄 extattr.h(4.08 KB)
📄 fail.h(13.1 KB)
📄 fbio.h(19.95 KB)
📄 fcntl.h(12.02 KB)
📄 fdcio.h(7.6 KB)
📄 file.h(14.06 KB)
📄 filedesc.h(12.13 KB)
📄 filio.h(3.67 KB)
📄 firmware.h(3.11 KB)
📄 fnv_hash.h(1.41 KB)
📄 font.h(3.85 KB)
📄 gmon.h(7.16 KB)
📄 gpio.h(9.85 KB)
📄 gpt.h(1.51 KB)
📄 gsb_crc32.h(998 B)
📄 gtaskqueue.h(4.21 KB)
📄 hash.h(3.55 KB)
📄 hhook.h(5.86 KB)
📄 iconv.h(8.22 KB)
📄 imgact.h(5.22 KB)
📄 imgact_aout.h(5.65 KB)
📄 imgact_binmisc.h(6.95 KB)
📄 imgact_elf.h(4.13 KB)
📄 interrupt.h(8.07 KB)
📄 intr.h(5.36 KB)
📄 ioccom.h(3.82 KB)
📄 ioctl.h(2.24 KB)
📄 ioctl_compat.h(6.42 KB)
📄 iov.h(11.67 KB)
📄 iov_schema.h(2.33 KB)
📄 ipc.h(4.93 KB)
📄 ipmi.h(5.4 KB)
📄 jail.h(14.98 KB)
📄 joystick.h(2.12 KB)
📄 kbio.h(7.81 KB)
📄 kcov.h(2.36 KB)
📄 kdb.h(5.04 KB)
📄 kenv.h(2.02 KB)
📄 kern_prefetch.h(1.67 KB)
📄 kernel.h(16.18 KB)
📄 kerneldump.h(4.85 KB)
📄 khelp.h(3.08 KB)
📄 kobj.h(6.92 KB)
📄 kpilite.h(2.01 KB)
📄 ksem.h(2.34 KB)
📄 kthread.h(3.04 KB)
📄 ktls.h(6.52 KB)
📄 ktr.h(10.92 KB)
📄 ktr_class.h(3.8 KB)
📄 ktrace.h(8.13 KB)
📄 libkern.h(7.74 KB)
📄 limits.h(3.69 KB)
📄 link_aout.h(10.2 KB)
📄 link_elf.h(4.06 KB)
📄 linker.h(11.88 KB)
📄 linker_set.h(3.85 KB)
📄 lock.h(12.24 KB)
📄 lock_profile.h(2.6 KB)
📄 lockf.h(5.55 KB)
📄 lockmgr.h(7 KB)
📄 lockstat.h(5.13 KB)
📄 loginclass.h(2.08 KB)
📄 mac.h(3.96 KB)
📄 malloc.h(11.76 KB)
📄 mbuf.h(50.74 KB)
📄 mchain.h(4.21 KB)
📄 md4.h(1.63 KB)
📄 md5.h(1.81 KB)
📄 mdioctl.h(3.73 KB)
📄 memdesc.h(3.79 KB)
📄 memrange.h(2.36 KB)
📄 mman.h(10.41 KB)
📄 module.h(8.77 KB)
📄 module_khelp.h(3.45 KB)
📄 mount.h(42.05 KB)
📄 mouse.h(12.69 KB)
📄 mpt_ioctl.h(4.27 KB)
📄 mqueue.h(1.86 KB)
📄 msg.h(4.78 KB)
📄 msgbuf.h(3.49 KB)
📄 mtio.h(11.94 KB)
📄 mutex.h(19.18 KB)
📄 namei.h(11.27 KB)
📄 nlist_aout.h(4.23 KB)
📄 nv.h(10.62 KB)
📄 nvpair.h(14.77 KB)
📄 osd.h(4.02 KB)
📄 param.h(12.23 KB)
📄 pciio.h(5.67 KB)
📄 pcpu.h(9.79 KB)
📄 pctrie.h(5.19 KB)
📄 physmem.h(2.92 KB)
📄 pidctrl.h(5.44 KB)
📄 pipe.h(4.63 KB)
📄 pmc.h(37.29 KB)
📄 pmckern.h(8.01 KB)
📄 pmclog.h(9.23 KB)
📄 poll.h(4.03 KB)
📄 posix4.h(3.71 KB)
📄 power.h(2.34 KB)
📄 priority.h(4.39 KB)
📄 priv.h(19.73 KB)
📄 prng.h(354 B)
📄 proc.h(50.73 KB)
📄 procctl.h(4.89 KB)
📄 procdesc.h(4.46 KB)
📄 procfs.h(4.2 KB)
📄 protosw.h(14.56 KB)
📄 ptio.h(1.57 KB)
📄 ptrace.h(8.61 KB)
📄 qmath.h(22.07 KB)
📄 queue.h(28.61 KB)
📄 racct.h(7.48 KB)
📄 random.h(5.41 KB)
📄 rangelock.h(3.86 KB)
📄 rangeset.h(2.96 KB)
📄 rctl.h(5.91 KB)
📄 reboot.h(3.41 KB)
📄 refcount.h(5.72 KB)
📄 regression.h(1.62 KB)
📄 resource.h(5.32 KB)
📄 resourcevar.h(6.33 KB)
📄 rman.h(6.41 KB)
📄 rmlock.h(5.56 KB)
📄 rtprio.h(3.08 KB)
📄 runq.h(2.54 KB)
📄 rwlock.h(10.61 KB)
📄 sbuf.h(4.68 KB)
📄 sched.h(9.06 KB)
📄 sdt.h(17.89 KB)
📄 select.h(3.5 KB)
📄 selinfo.h(2.39 KB)
📄 sem.h(4.31 KB)
📄 sema.h(2.61 KB)
📄 seqc.h(3.26 KB)
📄 serial.h(3.49 KB)
📄 sf_buf.h(5.87 KB)
📄 sglist.h(3.89 KB)
📄 shm.h(5.69 KB)
📄 sigio.h(2.83 KB)
📄 signal.h(15.83 KB)
📄 signalvar.h(12.95 KB)
📄 sleepqueue.h(5.61 KB)
📄 slicer.h(2.19 KB)
📄 smp.h(8.88 KB)
📄 smr.h(7.64 KB)
📄 smr_types.h(4.87 KB)
📄 snoop.h(1014 B)
📄 sockbuf.h(9.9 KB)
📄 socket.h(23.43 KB)
📄 socketvar.h(18.75 KB)
📄 sockio.h(7.97 KB)
📄 sockopt.h(2.98 KB)
📄 soundcard.h(69.38 KB)
📄 specialfd.h(1.56 KB)
📄 spigenio.h(2.28 KB)
📄 stack.h(2.65 KB)
📄 stat.h(13.44 KB)
📄 stats.h(34.73 KB)
📄 statvfs.h(3.08 KB)
📄 stdatomic.h(13.94 KB)
📄 stddef.h(1.7 KB)
📄 stdint.h(2.63 KB)
📄 sx.h(11.04 KB)
📄 syscall.h(13.99 KB)
📄 syscallsubr.h(16.94 KB)
📄 sysctl.h(47.96 KB)
📄 sysent.h(10.82 KB)
📄 syslimits.h(3.14 KB)
📄 syslog.h(7.25 KB)
📄 sysproto.h(153.38 KB)
📄 systm.h(21.97 KB)
📄 taskqueue.h(7.65 KB)
📄 terminal.h(8.25 KB)
📄 termios.h(151 B)
📄 thr.h(2.87 KB)
📄 tiio.h(12.62 KB)
📄 tim_filter.h(4.61 KB)
📄 time.h(16.87 KB)
📄 timeb.h(2.59 KB)
📄 timeet.h(3.65 KB)
📄 timeffc.h(11.94 KB)
📄 timepps.h(6.48 KB)
📄 timers.h(3.56 KB)
📄 times.h(2.46 KB)
📄 timespec.h(2.4 KB)
📄 timetc.h(3.16 KB)
📄 timex.h(6.61 KB)
📄 tree.h(27.93 KB)
📄 tslog.h(2.3 KB)
📄 tty.h(8.98 KB)
📄 ttycom.h(6.48 KB)
📄 ttydefaults.h(3.92 KB)
📄 ttydevsw.h(5.28 KB)
📄 ttydisc.h(2.93 KB)
📄 ttyhook.h(3.98 KB)
📄 ttyqueue.h(5.26 KB)
📄 turnstile.h(4.83 KB)
📄 types.h(11.64 KB)
📄 ucontext.h(2.91 KB)
📄 ucred.h(5.4 KB)
📄 uio.h(4.15 KB)
📄 umtx.h(5.94 KB)
📄 un.h(2.96 KB)
📄 unistd.h(7.34 KB)
📄 unpcb.h(6.77 KB)
📄 user.h(21.58 KB)
📄 utsname.h(2.47 KB)
📄 uuid.h(3.17 KB)
📄 vdso.h(4.26 KB)
📄 vmem.h(4.91 KB)
📄 vmmeter.h(7.72 KB)
📄 vnode.h(40.87 KB)
📄 vtoc.h(89 B)
📄 wait.h(6.11 KB)
📄 watchdog.h(4.22 KB)

Editing: file.h

/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright (c) 1982, 1986, 1989, 1993
 *	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. 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.
 *
 *	@(#)file.h	8.3 (Berkeley) 1/9/95
 * $FreeBSD$
 */

#ifndef _SYS_FILE_H_
#define	_SYS_FILE_H_

#ifndef _KERNEL
#include <sys/types.h> /* XXX */
#include <sys/fcntl.h>
#include <sys/unistd.h>
#else
#include <sys/queue.h>
#include <sys/refcount.h>
#include <sys/_lock.h>
#include <sys/_mutex.h>
#include <vm/vm.h>

struct filedesc;
struct stat;
struct thread;
struct uio;
struct knote;
struct vnode;
struct nameidata;

#endif /* _KERNEL */

#define	DTYPE_NONE	0	/* not yet initialized */
#define	DTYPE_VNODE	1	/* file */
#define	DTYPE_SOCKET	2	/* communications endpoint */
#define	DTYPE_PIPE	3	/* pipe */
#define	DTYPE_FIFO	4	/* fifo (named pipe) */
#define	DTYPE_KQUEUE	5	/* event queue */
#define	DTYPE_CRYPTO	6	/* crypto */
#define	DTYPE_MQUEUE	7	/* posix message queue */
#define	DTYPE_SHM	8	/* swap-backed shared memory */
#define	DTYPE_SEM	9	/* posix semaphore */
#define	DTYPE_PTS	10	/* pseudo teletype master device */
#define	DTYPE_DEV	11	/* Device specific fd type */
#define	DTYPE_PROCDESC	12	/* process descriptor */
#define	DTYPE_EVENTFD	13	/* eventfd */
#define	DTYPE_LINUXTFD	14	/* emulation timerfd type */

#ifdef _KERNEL

struct file;
struct filecaps;
struct kaiocb;
struct kinfo_file;
struct ucred;

#define	FOF_OFFSET	0x01	/* Use the offset in uio argument */
#define	FOF_NOLOCK	0x02	/* Do not take FOFFSET_LOCK */
#define	FOF_NEXTOFF_R	0x04	/* Also update f_nextoff[UIO_READ] */
#define	FOF_NEXTOFF_W	0x08	/* Also update f_nextoff[UIO_WRITE] */
#define	FOF_NOUPDATE	0x10	/* Do not update f_offset */
off_t foffset_lock(struct file *fp, int flags);
void foffset_lock_uio(struct file *fp, struct uio *uio, int flags);
void foffset_unlock(struct file *fp, off_t val, int flags);
void foffset_unlock_uio(struct file *fp, struct uio *uio, int flags);

static inline off_t
foffset_get(struct file *fp)
{

return (foffset_lock(fp, FOF_NOLOCK));
}

typedef int fo_rdwr_t(struct file *fp, struct uio *uio,
		    struct ucred *active_cred, int flags,
		    struct thread *td);
typedef	int fo_truncate_t(struct file *fp, off_t length,
		    struct ucred *active_cred, struct thread *td);
typedef	int fo_ioctl_t(struct file *fp, u_long com, void *data,
		    struct ucred *active_cred, struct thread *td);
typedef	int fo_poll_t(struct file *fp, int events,
		    struct ucred *active_cred, struct thread *td);
typedef	int fo_kqfilter_t(struct file *fp, struct knote *kn);
typedef	int fo_stat_t(struct file *fp, struct stat *sb,
		    struct ucred *active_cred, struct thread *td);
typedef	int fo_close_t(struct file *fp, struct thread *td);
typedef	int fo_chmod_t(struct file *fp, mode_t mode,
		    struct ucred *active_cred, struct thread *td);
typedef	int fo_chown_t(struct file *fp, uid_t uid, gid_t gid,
		    struct ucred *active_cred, struct thread *td);
typedef int fo_sendfile_t(struct file *fp, int sockfd, struct uio *hdr_uio,
		    struct uio *trl_uio, off_t offset, size_t nbytes,
		    off_t *sent, int flags, struct thread *td);
typedef int fo_seek_t(struct file *fp, off_t offset, int whence,
		    struct thread *td);
typedef int fo_fill_kinfo_t(struct file *fp, struct kinfo_file *kif,
		    struct filedesc *fdp);
typedef int fo_mmap_t(struct file *fp, vm_map_t map, vm_offset_t *addr,
		    vm_size_t size, vm_prot_t prot, vm_prot_t cap_maxprot,
		    int flags, vm_ooffset_t foff, struct thread *td);
typedef int fo_aio_queue_t(struct file *fp, struct kaiocb *job);
typedef int fo_add_seals_t(struct file *fp, int flags);
typedef int fo_get_seals_t(struct file *fp, int *flags);
typedef int fo_fallocate_t(struct file *fp, off_t offset, off_t len,
		    struct thread *td);
typedef	int fo_flags_t;

struct fileops {
	fo_rdwr_t	*fo_read;
	fo_rdwr_t	*fo_write;
	fo_truncate_t	*fo_truncate;
	fo_ioctl_t	*fo_ioctl;
	fo_poll_t	*fo_poll;
	fo_kqfilter_t	*fo_kqfilter;
	fo_stat_t	*fo_stat;
	fo_close_t	*fo_close;
	fo_chmod_t	*fo_chmod;
	fo_chown_t	*fo_chown;
	fo_sendfile_t	*fo_sendfile;
	fo_seek_t	*fo_seek;
	fo_fill_kinfo_t	*fo_fill_kinfo;
	fo_mmap_t	*fo_mmap;
	fo_aio_queue_t	*fo_aio_queue;
	fo_add_seals_t	*fo_add_seals;
	fo_get_seals_t	*fo_get_seals;
	fo_fallocate_t	*fo_fallocate;
	fo_flags_t	fo_flags;	/* DFLAG_* below */
};

#define DFLAG_PASSABLE	0x01	/* may be passed via unix sockets. */
#define DFLAG_SEEKABLE	0x02	/* seekable / nonsequential */
#endif /* _KERNEL */

#if defined(_KERNEL) || defined(_WANT_FILE)
/*
 * Kernel descriptor table.
 * One entry for each open kernel vnode and socket.
 *
 * Below is the list of locks that protects members in struct file.
 *
 * (a) f_vnode lock required (shared allows both reads and writes)
 * (f) updated with atomics and blocking on sleepq
 * (d) cdevpriv_mtx
 * none	not locked
 */

struct fadvise_info {
	int		fa_advice;	/* (f) FADV_* type. */
	off_t		fa_start;	/* (f) Region start. */
	off_t		fa_end;		/* (f) Region end. */
};

struct file {
	volatile u_int	f_flag;		/* see fcntl.h */
	volatile u_int 	f_count;	/* reference count */
	void		*f_data;	/* file descriptor specific data */
	struct fileops	*f_ops;		/* File operations */
	struct vnode 	*f_vnode;	/* NULL or applicable vnode */
	struct ucred	*f_cred;	/* associated credentials. */
	short		f_type;		/* descriptor type */
	short		f_vnread_flags; /* (f) Sleep lock for f_offset */
	/*
	 *  DTYPE_VNODE specific fields.
	 */
	union {
		int16_t	f_seqcount[2];	/* (a) Count of seq. reads and writes. */
		int	f_pipegen;
	};
	off_t		f_nextoff[2];	/* next expected read/write offset. */
	union {
		struct cdev_privdata *fvn_cdevpriv;
					/* (d) Private data for the cdev. */
		struct fadvise_info *fvn_advice;
	} f_vnun;
	/*
	 *  DFLAG_SEEKABLE specific fields
	 */
	off_t		f_offset;
};

#define	f_cdevpriv	f_vnun.fvn_cdevpriv
#define	f_advice	f_vnun.fvn_advice

#define	FOFFSET_LOCKED       0x1
#define	FOFFSET_LOCK_WAITING 0x2

#endif /* _KERNEL || _WANT_FILE */

/*
 * Userland version of struct file, for sysctl
 */
struct xfile {
	ksize_t	xf_size;	/* size of struct xfile */
	pid_t	xf_pid;		/* owning process */
	uid_t	xf_uid;		/* effective uid of owning process */
	int	xf_fd;		/* descriptor number */
	int	_xf_int_pad1;
	kvaddr_t xf_file;	/* address of struct file */
	short	xf_type;	/* descriptor type */
	short	_xf_short_pad1;
	int	xf_count;	/* reference count */
	int	xf_msgcount;	/* references from message queue */
	int	_xf_int_pad2;
	off_t	xf_offset;	/* file offset */
	kvaddr_t xf_data;	/* file descriptor specific data */
	kvaddr_t xf_vnode;	/* vnode pointer */
	u_int	xf_flag;	/* flags (see fcntl.h) */
	int	_xf_int_pad3;
	int64_t	_xf_int64_pad[6];
};

#ifdef _KERNEL

extern struct fileops vnops;
extern struct fileops badfileops;
extern struct fileops socketops;
extern int maxfiles;		/* kernel limit on number of open files */
extern int maxfilesperproc;	/* per process limit on number of open files */

int fget(struct thread *td, int fd, cap_rights_t *rightsp, struct file **fpp);
int fget_mmap(struct thread *td, int fd, cap_rights_t *rightsp,
    vm_prot_t *maxprotp, struct file **fpp);
int fget_read(struct thread *td, int fd, cap_rights_t *rightsp,
    struct file **fpp);
int fget_write(struct thread *td, int fd, cap_rights_t *rightsp,
    struct file **fpp);
int fget_fcntl(struct thread *td, int fd, cap_rights_t *rightsp,
    int needfcntl, struct file **fpp);
int _fdrop(struct file *fp, struct thread *td);

fo_rdwr_t	invfo_rdwr;
fo_truncate_t	invfo_truncate;
fo_ioctl_t	invfo_ioctl;
fo_poll_t	invfo_poll;
fo_kqfilter_t	invfo_kqfilter;
fo_chmod_t	invfo_chmod;
fo_chown_t	invfo_chown;
fo_sendfile_t	invfo_sendfile;

fo_sendfile_t	vn_sendfile;
fo_seek_t	vn_seek;
fo_fill_kinfo_t	vn_fill_kinfo;
int vn_fill_kinfo_vnode(struct vnode *vp, struct kinfo_file *kif);

void finit(struct file *, u_int, short, void *, struct fileops *);
void finit_vnode(struct file *, u_int, void *, struct fileops *);
int fgetvp(struct thread *td, int fd, cap_rights_t *rightsp,
    struct vnode **vpp);
int fgetvp_exec(struct thread *td, int fd, cap_rights_t *rightsp,
    struct vnode **vpp);
int fgetvp_rights(struct thread *td, int fd, cap_rights_t *needrightsp,
    struct filecaps *havecaps, struct vnode **vpp);
int fgetvp_read(struct thread *td, int fd, cap_rights_t *rightsp,
    struct vnode **vpp);
int fgetvp_write(struct thread *td, int fd, cap_rights_t *rightsp,
    struct vnode **vpp);
int fgetvp_lookup_smr(int fd, struct nameidata *ndp, struct vnode **vpp, bool *fsearch);

static __inline __result_use_check bool
fhold(struct file *fp)
{
	return (refcount_acquire_checked(&fp->f_count));
}

#define	fdrop(fp, td)		({				\
	struct file *_fp;					\
	int _error;						\
								\
	_error = 0;						\
	_fp = (fp);						\
	if (__predict_false(refcount_release(&_fp->f_count)))	\
		_error = _fdrop(_fp, td);			\
	_error;							\
})

#define	fdrop_close(fp, td)		({			\
	struct file *_fp;					\
	int _error;						\
								\
	_error = 0;						\
	_fp = (fp);						\
	if (__predict_true(refcount_release(&_fp->f_count)))	\
		_error = _fdrop(_fp, td);			\
	_error;							\
})

static __inline fo_rdwr_t	fo_read;
static __inline fo_rdwr_t	fo_write;
static __inline fo_truncate_t	fo_truncate;
static __inline fo_ioctl_t	fo_ioctl;
static __inline fo_poll_t	fo_poll;
static __inline fo_kqfilter_t	fo_kqfilter;
static __inline fo_stat_t	fo_stat;
static __inline fo_close_t	fo_close;
static __inline fo_chmod_t	fo_chmod;
static __inline fo_chown_t	fo_chown;
static __inline fo_sendfile_t	fo_sendfile;

static __inline int
fo_read(struct file *fp, struct uio *uio, struct ucred *active_cred,
    int flags, struct thread *td)
{

return ((*fp->f_ops->fo_read)(fp, uio, active_cred, flags, td));
}

static __inline int
fo_write(struct file *fp, struct uio *uio, struct ucred *active_cred,
    int flags, struct thread *td)
{

return ((*fp->f_ops->fo_write)(fp, uio, active_cred, flags, td));
}

static __inline int
fo_truncate(struct file *fp, off_t length, struct ucred *active_cred,
    struct thread *td)
{

return ((*fp->f_ops->fo_truncate)(fp, length, active_cred, td));
}

static __inline int
fo_ioctl(struct file *fp, u_long com, void *data, struct ucred *active_cred,
    struct thread *td)
{

return ((*fp->f_ops->fo_ioctl)(fp, com, data, active_cred, td));
}

static __inline int
fo_poll(struct file *fp, int events, struct ucred *active_cred,
    struct thread *td)
{

return ((*fp->f_ops->fo_poll)(fp, events, active_cred, td));
}

static __inline int
fo_stat(struct file *fp, struct stat *sb, struct ucred *active_cred,
    struct thread *td)
{

return ((*fp->f_ops->fo_stat)(fp, sb, active_cred, td));
}

static __inline int
fo_close(struct file *fp, struct thread *td)
{

return ((*fp->f_ops->fo_close)(fp, td));
}

static __inline int
fo_kqfilter(struct file *fp, struct knote *kn)
{

return ((*fp->f_ops->fo_kqfilter)(fp, kn));
}

static __inline int
fo_chmod(struct file *fp, mode_t mode, struct ucred *active_cred,
    struct thread *td)
{

return ((*fp->f_ops->fo_chmod)(fp, mode, active_cred, td));
}

static __inline int
fo_chown(struct file *fp, uid_t uid, gid_t gid, struct ucred *active_cred,
    struct thread *td)
{

return ((*fp->f_ops->fo_chown)(fp, uid, gid, active_cred, td));
}

static __inline int
fo_sendfile(struct file *fp, int sockfd, struct uio *hdr_uio,
    struct uio *trl_uio, off_t offset, size_t nbytes, off_t *sent, int flags,
    struct thread *td)
{

return ((*fp->f_ops->fo_sendfile)(fp, sockfd, hdr_uio, trl_uio, offset,
	    nbytes, sent, flags, td));
}

static __inline int
fo_seek(struct file *fp, off_t offset, int whence, struct thread *td)
{

return ((*fp->f_ops->fo_seek)(fp, offset, whence, td));
}

static __inline int
fo_fill_kinfo(struct file *fp, struct kinfo_file *kif, struct filedesc *fdp)
{

return ((*fp->f_ops->fo_fill_kinfo)(fp, kif, fdp));
}

static __inline int
fo_mmap(struct file *fp, vm_map_t map, vm_offset_t *addr, vm_size_t size,
    vm_prot_t prot, vm_prot_t cap_maxprot, int flags, vm_ooffset_t foff,
    struct thread *td)
{

if (fp->f_ops->fo_mmap == NULL)
		return (ENODEV);
	return ((*fp->f_ops->fo_mmap)(fp, map, addr, size, prot, cap_maxprot,
	    flags, foff, td));
}

static __inline int
fo_aio_queue(struct file *fp, struct kaiocb *job)
{

return ((*fp->f_ops->fo_aio_queue)(fp, job));
}

static __inline int
fo_add_seals(struct file *fp, int seals)
{

if (fp->f_ops->fo_add_seals == NULL)
		return (EINVAL);
	return ((*fp->f_ops->fo_add_seals)(fp, seals));
}

static __inline int
fo_get_seals(struct file *fp, int *seals)
{

if (fp->f_ops->fo_get_seals == NULL)
		return (EINVAL);
	return ((*fp->f_ops->fo_get_seals)(fp, seals));
}

static __inline int
fo_fallocate(struct file *fp, off_t offset, off_t len, struct thread *td)
{

if (fp->f_ops->fo_fallocate == NULL)
		return (ENODEV);
	return ((*fp->f_ops->fo_fallocate)(fp, offset, len, td));
}

#endif /* _KERNEL */

#endif /* !SYS_FILE_H */

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