#include <sys/cdefs.h>
#include "opt_capsicum.h"
#include "opt_ddb.h"
#include "opt_ktrace.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/capsicum.h>
#include <sys/conf.h>
#include <sys/fcntl.h>
#include <sys/file.h>
#include <sys/filedesc.h>
#include <sys/filio.h>
#include <sys/jail.h>
#include <sys/kernel.h>
#include <sys/limits.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/mount.h>
#include <sys/mutex.h>
#include <sys/namei.h>
#include <sys/selinfo.h>
#include <sys/poll.h>
#include <sys/priv.h>
#include <sys/proc.h>
#include <sys/protosw.h>
#include <sys/racct.h>
#include <sys/resourcevar.h>
#include <sys/sbuf.h>
#include <sys/signalvar.h>
#include <sys/kdb.h>
#include <sys/smr.h>
#include <sys/stat.h>
#include <sys/sx.h>
#include <sys/syscallsubr.h>
#include <sys/sysctl.h>
#include <sys/sysproto.h>
#include <sys/unistd.h>
#include <sys/user.h>
#include <sys/vnode.h>
#include <sys/ktrace.h>
#include <net/vnet.h>
#include <security/audit/audit.h>
#include <vm/uma.h>
#include <vm/vm.h>
#include <ddb/ddb.h>

Include dependency graph for kern_descrip.c:

Data Structures
struct	freetable

struct	fdescenttbl0

struct	filedesc0

struct	getdtablesize_args

struct	dup2_args

struct	dup_args

struct	fcntl_args

struct	close_args

struct	close_range_args

struct	fstat_args

struct	fpathconf_args

struct	flock_args

struct	export_fd_buf

Macros
#define	NDFILE 20

#define	NDSLOTSIZE sizeof(NDSLOTTYPE)

#define	NDENTRIES (NDSLOTSIZE * __CHAR_BIT)

#define	NDSLOT(x) ((x) / NDENTRIES)

#define	NDBIT(x) ((NDSLOTTYPE)1 << ((x) % NDENTRIES))

#define	NDSLOTS(x) (((x) + NDENTRIES - 1) / NDENTRIES)

#define	FILEDESC_FOREACH_FDE(fdp, _iterator, _fde)

#define	FILEDESC_FOREACH_FP(fdp, _iterator, _fp)

#define	FILEDESC_SBUF_SIZE (sizeof(struct kinfo_file) * 5)

Functions
	__FBSDID ("$FreeBSD$")

static	MALLOC_DEFINE (M_FILEDESC, "filedesc", "Open file descriptor table")

static	MALLOC_DEFINE (M_PWD, "pwd", "Descriptor table vnodes")

static	MALLOC_DEFINE (M_PWDDESC, "pwddesc", "Pwd descriptors")

static	MALLOC_DEFINE (M_FILEDESC_TO_LEADER, "filedesc_to_leader", "file desc to leader structures")

static	MALLOC_DEFINE (M_SIGIO, "sigio", "sigio structures")

	MALLOC_DEFINE (M_FILECAPS, "filecaps", "descriptor capabilities")

	MALLOC_DECLARE (M_FADVISE)

static int	closefp (struct filedesc fdp, int fd, struct file fp, struct thread *td, bool holdleaders, bool audit)

static void	export_file_to_kinfo (struct file fp, int fd, cap_rights_t rightsp, struct kinfo_file kif, struct filedesc fdp, int flags)

static int	fd_first_free (struct filedesc *fdp, int low, int size)

static void	fdgrowtable (struct filedesc *fdp, int nfd)

static void	fdgrowtable_exp (struct filedesc *fdp, int nfd)

static void	fdunused (struct filedesc *fdp, int fd)

static void	fdused (struct filedesc *fdp, int fd)

static int	fget_unlocked_seq (struct thread td, int fd, cap_rights_t needrightsp, struct file *fpp, seqc_t seqp)

static int	getmaxfd (struct thread *td)

static u_long *	filecaps_copy_prep (const struct filecaps *src)

static void	filecaps_copy_finish (const struct filecaps src, struct filecaps dst, u_long *ioctls)

static u_long *	filecaps_free_prep (struct filecaps *fcaps)

static void	filecaps_free_finish (u_long *ioctls)

static struct pwd *	pwd_alloc (void)

int	fdlastfile_single (struct filedesc *fdp)

int	fdlastfile (struct filedesc *fdp)

static int	fdisused (struct filedesc *fdp, int fd)

static void	fdused_init (struct filedesc *fdp, int fd)

static void	fdefree_last (struct filedescent *fde)

static void	fdfree (struct filedesc *fdp, int fd)

int	sys_getdtablesize (struct thread td, struct getdtablesize_args uap)

int	sys_dup2 (struct thread td, struct dup2_args uap)

int	sys_dup (struct thread td, struct dup_args uap)

int	sys_fcntl (struct thread td, struct fcntl_args uap)

int	kern_fcntl_freebsd (struct thread *td, int fd, int cmd, long arg)

int	kern_fcntl (struct thread *td, int fd, int cmd, intptr_t arg)

int	kern_dup (struct thread *td, u_int mode, int flags, int old, int new)

static void	sigiofree (struct sigio *sigio)

static struct sigio *	funsetown_locked (struct sigio *sigio)

void	funsetown (struct sigio **sigiop)

void	funsetownlst (struct sigiolst *sigiolst)

int	fsetown (pid_t pgid, struct sigio **sigiop)

pid_t	fgetown (struct sigio **sigiop)

static int	closefp_impl (struct filedesc fdp, int fd, struct file fp, struct thread *td, bool audit)

static int	closefp_hl (struct filedesc fdp, int fd, struct file fp, struct thread *td, bool holdleaders, bool audit)

int	sys_close (struct thread td, struct close_args uap)

int	kern_close (struct thread *td, int fd)

static int	close_range_cloexec (struct thread *td, u_int lowfd, u_int highfd)

static int	close_range_impl (struct thread *td, u_int lowfd, u_int highfd)

int	kern_close_range (struct thread *td, int flags, u_int lowfd, u_int highfd)

int	sys_close_range (struct thread td, struct close_range_args uap)

int	sys_fstat (struct thread td, struct fstat_args uap)

int	kern_fstat (struct thread td, int fd, struct stat sbp)

int	sys_fpathconf (struct thread td, struct fpathconf_args uap)

int	kern_fpathconf (struct thread td, int fd, int name, long valuep)

bool	filecaps_copy (const struct filecaps src, struct filecaps dst, bool locked)

void	filecaps_move (struct filecaps src, struct filecaps dst)

static void	filecaps_fill (struct filecaps *fcaps)

void	filecaps_free (struct filecaps *fcaps)

static void	filecaps_validate (const struct filecaps fcaps, const char func)

int	fdalloc (struct thread td, int minfd, int result)

int	fdallocn (struct thread td, int minfd, int fds, int n)

int	falloc_caps (struct thread td, struct file resultfp, int resultfd, int flags, struct filecaps *fcaps)

int	_falloc_noinstall (struct thread td, struct file *resultfp, u_int n)

void	falloc_abort (struct thread td, struct file fp)

void	_finstall (struct filedesc fdp, struct file fp, int fd, int flags, struct filecaps *fcaps)

int	finstall_refed (struct thread td, struct file fp, int fd, int flags, struct filecaps fcaps)

int	finstall (struct thread td, struct file fp, int fd, int flags, struct filecaps fcaps)

struct filedesc *	fdinit (void)

struct pwddesc *	pdinit (struct pwddesc *pdp, bool keeplock)

static struct filedesc *	fdhold (struct proc *p)

static struct pwddesc *	pdhold (struct proc *p)

static void	fddrop (struct filedesc *fdp)

static void	pddrop (struct pwddesc *pdp)

struct filedesc *	fdshare (struct filedesc *fdp)

struct pwddesc *	pdshare (struct pwddesc *pdp)

void	fdunshare (struct thread *td)

void	pdunshare (struct thread *td)

struct filedesc *	fdcopy (struct filedesc *fdp)

struct pwddesc *	pdcopy (struct pwddesc *pdp)

static void	fdclearlocks (struct thread *td)

static void	fdescfree_fds (struct thread td, struct filedesc fdp)

void	fdescfree (struct thread *td)

void	pdescfree (struct thread *td)

static bool	is_unsafe (struct file *fp)

void	fdsetugidsafety (struct thread *td)

void	fdclose (struct thread td, struct file fp, int idx)

void	fdcloseexec (struct thread *td)

int	fdcheckstd (struct thread *td)

int	closef (struct file fp, struct thread td)

void	closef_nothread (struct file *fp)

void	finit (struct file fp, u_int flag, short type, void data, struct fileops *ops)

void	finit_vnode (struct file fp, u_int flag, void data, struct fileops *ops)

int	fget_cap_noref (struct filedesc fdp, int fd, cap_rights_t needrightsp, struct file *fpp, struct filecaps havecapsp)

int	fget_cap (struct thread td, int fd, cap_rights_t needrightsp, struct file *fpp, struct filecaps havecapsp)

int	fgetvp_lookup_smr (int fd, struct nameidata ndp, struct vnode vpp, bool fsearch)

static int	fget_unlocked_seq (struct thread td, int fd, cap_rights_t needrightsp, struct file *fpp, seqc_t seqp __unused)

int	fget_unlocked (struct thread td, int fd, cap_rights_t needrightsp, struct file **fpp)

int	fget_only_user (struct filedesc fdp, int fd, cap_rights_t needrightsp, struct file **fpp)

static __inline int	_fget (struct thread td, int fd, struct file fpp, int flags, cap_rights_t needrightsp)

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)

static __inline int	_fgetvp (struct thread td, int fd, int flags, cap_rights_t needrightsp, struct vnode **vpp)

int	fgetvp (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_exec (struct thread td, int fd, cap_rights_t rightsp, struct vnode **vpp)

int __noinline	_fdrop (struct file fp, struct thread td)

int	sys_flock (struct thread td, struct flock_args uap)

int	dupfdopen (struct thread td, struct filedesc fdp, int dfd, int mode, int openerror, int *indxp)

	SYSCTL_INT (_kern, OID_AUTO, chroot_allow_open_directories, CTLFLAG_RW, &chroot_allow_open_directories, 0, "Allow a process to chroot(2) if it has a directory open")

static int	chroot_refuse_vdir_fds (struct filedesc *fdp)

static void	pwd_fill (struct pwd oldpwd, struct pwd newpwd)

struct pwd *	pwd_hold_pwddesc (struct pwddesc *pdp)

bool	pwd_hold_smr (struct pwd *pwd)

struct pwd *	pwd_hold (struct thread *td)

struct pwd *	pwd_hold_proc (struct proc *p)

void	pwd_drop (struct pwd *pwd)

int	pwd_chroot (struct thread td, struct vnode vp)

void	pwd_chdir (struct thread td, struct vnode vp)

int	pwd_chroot_chdir (struct thread td, struct vnode vp)

void	pwd_ensure_dirs (void)

void	pwd_set_rootvnode (void)

void	mountcheckdirs (struct vnode olddp, struct vnode newdp)

struct filedesc_to_leader *	filedesc_to_leader_alloc (struct filedesc_to_leader old, struct filedesc fdp, struct proc *leader)

static int	sysctl_kern_proc_nfds (SYSCTL_HANDLER_ARGS)

static	SYSCTL_NODE (_kern_proc, KERN_PROC_NFDS, nfds, CTLFLAG_RD\|CTLFLAG_CAPRD\|CTLFLAG_MPSAFE, sysctl_kern_proc_nfds, "Number of open file descriptors")

static int	sysctl_kern_file (SYSCTL_HANDLER_ARGS)

	SYSCTL_PROC (_kern, KERN_FILE, file, CTLTYPE_OPAQUE\|CTLFLAG_RD\|CTLFLAG_MPSAFE, 0, 0, sysctl_kern_file, "S,xfile", "Entire file table")

static int	xlate_fflags (int fflags)

void	pack_kinfo (struct kinfo_file *kif)

static void	export_vnode_to_kinfo (struct vnode vp, int fd, int fflags, struct kinfo_file kif, int flags)

static int	export_kinfo_to_sb (struct export_fd_buf *efbuf)

static int	export_file_to_sb (struct file fp, int fd, cap_rights_t rightsp, struct export_fd_buf *efbuf)

static int	export_vnode_to_sb (struct vnode vp, int fd, int fflags, struct export_fd_buf efbuf)

int	kern_proc_filedesc_out (struct proc p, struct sbuf sb, ssize_t maxlen, int flags)

static int	sysctl_kern_proc_filedesc (SYSCTL_HANDLER_ARGS)

int	vntype_to_kinfo (int vtype)

static	SYSCTL_NODE (_kern_proc, KERN_PROC_FILEDESC, filedesc, CTLFLAG_RD\|CTLFLAG_MPSAFE, sysctl_kern_proc_filedesc, "Process filedesc entries")

int	kern_proc_cwd_out (struct proc p, struct sbuf sb, ssize_t maxlen)

static int	sysctl_kern_proc_cwd (SYSCTL_HANDLER_ARGS)

static	SYSCTL_NODE (_kern_proc, KERN_PROC_CWD, cwd, CTLFLAG_RD\|CTLFLAG_MPSAFE, sysctl_kern_proc_cwd, "Process current working directory")

	SYSCTL_INT (_kern, KERN_MAXFILESPERPROC, maxfilesperproc, CTLFLAG_RW, &maxfilesperproc, 0, "Maximum files allowed open per process")

	SYSCTL_INT (_kern, KERN_MAXFILES, maxfiles, CTLFLAG_RW, &maxfiles, 0, "Maximum number of files")

	SYSCTL_INT (_kern, OID_AUTO, openfiles, CTLFLAG_RD, &openfiles, 0, "System-wide number of open files")

static void	filelistinit (void *dummy)

	SYSINIT (select, SI_SUB_LOCK, SI_ORDER_FIRST, filelistinit, NULL)

static int	badfo_readwrite (struct file fp, struct uio uio, struct ucred active_cred, int flags, struct thread td)

static int	badfo_truncate (struct file fp, off_t length, struct ucred active_cred, struct thread *td)

static int	badfo_ioctl (struct file fp, u_long com, void data, struct ucred active_cred, struct thread td)

static int	badfo_poll (struct file fp, int events, struct ucred active_cred, struct thread *td)

static int	badfo_kqfilter (struct file fp, struct knote kn)

static int	badfo_stat (struct file fp, struct stat sb, struct ucred *active_cred)

static int	badfo_close (struct file fp, struct thread td)

static int	badfo_chmod (struct file fp, mode_t mode, struct ucred active_cred, struct thread *td)

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

static int	badfo_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)

static int	badfo_fill_kinfo (struct file fp, struct kinfo_file kif, struct filedesc *fdp)

static int	path_poll (struct file fp, int events, struct ucred active_cred, struct thread *td)

static int	path_close (struct file fp, struct thread td)

int	invfo_rdwr (struct file fp, struct uio uio, struct ucred active_cred, int flags, struct thread td)

int	invfo_truncate (struct file fp, off_t length, struct ucred active_cred, struct thread *td)

int	invfo_ioctl (struct file fp, u_long com, void data, struct ucred active_cred, struct thread td)

int	invfo_poll (struct file fp, int events, struct ucred active_cred, struct thread *td)

int	invfo_kqfilter (struct file fp, struct knote kn)

int	invfo_chmod (struct file fp, mode_t mode, struct ucred active_cred, struct thread *td)

int	invfo_chown (struct file fp, uid_t uid, gid_t gid, struct ucred active_cred, struct thread *td)

int	invfo_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)

static int	fdopen (struct cdev dev, int mode, int type, struct thread td)

static void	fildesc_drvinit (void *unused)

	SYSINIT (fildescdev, SI_SUB_DRIVERS, SI_ORDER_MIDDLE, fildesc_drvinit, NULL)

Variables
static __read_mostly uma_zone_t	file_zone

static __read_mostly uma_zone_t	filedesc0_zone

__read_mostly uma_zone_t	pwd_zone

	VFS_SMR_DECLARE

static int __exclusive_cache_line	openfiles

struct mtx	sigio_lock

void __read_mostly(*	mq_fdclose )(struct thread td, int fd, struct file fp)

static int	chroot_allow_open_directories = 1

struct fileops	badfileops

struct fileops	path_fileops

static struct cdevsw	fildesc_cdevsw

Macro Definition Documentation

◆ FILEDESC_FOREACH_FDE

#define FILEDESC_FOREACH_FDE	(	fdp,
		_iterator,
		_fde
	)

Value:

        struct filedesc *_fdp = (fdp);                                          \
        int _lastfile = fdlastfile_single(_fdp);                                \
        for (_iterator = 0; _iterator <= _lastfile; _iterator++)                \
                if ((_fde = &_fdp->fd_ofiles[_iterator])->fde_file != NULL)

Definition at line 158 of file kern_descrip.c.

◆ FILEDESC_FOREACH_FP

#define FILEDESC_FOREACH_FP	(	fdp,
		_iterator,
		_fp
	)

Value:

        struct filedesc *_fdp = (fdp);                                          \
        int _lastfile = fdlastfile_single(_fdp);                                \
        for (_iterator = 0; _iterator <= _lastfile; _iterator++)                \
                if ((_fp = _fdp->fd_ofiles[_iterator].fde_file) != NULL)

Definition at line 164 of file kern_descrip.c.

◆ FILEDESC_SBUF_SIZE

#define FILEDESC_SBUF_SIZE (sizeof(struct kinfo_file) * 5)

Definition at line 4520 of file kern_descrip.c.

◆ NDBIT

#define NDBIT ( x ) ((NDSLOTTYPE)1 << ((x) % NDENTRIES))

Definition at line 155 of file kern_descrip.c.

◆ NDENTRIES

#define NDENTRIES (NDSLOTSIZE * __CHAR_BIT)

Definition at line 153 of file kern_descrip.c.

◆ NDFILE

#define NDFILE 20

Definition at line 151 of file kern_descrip.c.

◆ NDSLOT

#define NDSLOT ( x ) ((x) / NDENTRIES)

Definition at line 154 of file kern_descrip.c.

◆ NDSLOTS

#define NDSLOTS ( x ) (((x) + NDENTRIES - 1) / NDENTRIES)

Definition at line 156 of file kern_descrip.c.

◆ NDSLOTSIZE

#define NDSLOTSIZE sizeof(NDSLOTTYPE)

Definition at line 152 of file kern_descrip.c.

Function Documentation

◆ __FBSDID()

__FBSDID ( "$FreeBSD$" )

◆ _falloc_noinstall()

int _falloc_noinstall	(	struct thread *	td,
		struct file **	resultfp,
		u_int	n
	)

Definition at line 2088 of file kern_descrip.c.

References badfileops, crhold(), file_zone, maxfiles, openfiles, ppsratecheck(), printf(), and priv_check().

Referenced by falloc_caps().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ _fdrop()

int __noinline _fdrop	(	struct file *	fp,
		struct thread *	td
	)

Definition at line 3539 of file kern_descrip.c.

References count, crfree(), file_zone, free(), openfiles, and panic().

Referenced by falloc_abort().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ _fget()

static __inline int _fget	(	struct thread *	td,
		int	fd,
		struct file **	fpp,
		int	flags,
		cap_rights_t *	needrightsp
	)

static

Definition at line 3297 of file kern_descrip.c.

References badfileops, fd, fget_unlocked(), flags, and path_fileops.

Referenced by _fgetvp(), fget(), fget_mmap(), fget_read(), and fget_write().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ _fgetvp()

static __inline int _fgetvp	(	struct thread *	td,
		int	fd,
		int	flags,
		cap_rights_t *	needrightsp,
		struct vnode **	vpp
	)

static

Definition at line 3448 of file kern_descrip.c.

References _fget(), fd, flags, and vref().

Referenced by fgetvp(), fgetvp_exec(), and fgetvp_read().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ _finstall()

void _finstall	(	struct filedesc *	fdp,
		struct file *	fp,
		int	fd,
		int	flags,
		struct filecaps *	fcaps
	)

Definition at line 2134 of file kern_descrip.c.

References fd, filecaps_fill(), filecaps_move(), filecaps_validate(), and flags.

Referenced by finstall_refed(), and unp_externalize().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ badfo_chmod()

static int badfo_chmod	(	struct file *	fp,
		mode_t	mode,
		struct ucred *	active_cred,
		struct thread *	td
	)

static

Definition at line 5005 of file kern_descrip.c.

◆ badfo_chown()

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

static

Definition at line 5013 of file kern_descrip.c.

◆ badfo_close()

static int badfo_close	(	struct file *	fp,
		struct thread *	td
	)

static

Definition at line 4998 of file kern_descrip.c.

◆ badfo_fill_kinfo()

static int badfo_fill_kinfo	(	struct file *	fp,
		struct kinfo_file *	kif,
		struct filedesc *	fdp
	)

static

Definition at line 5030 of file kern_descrip.c.

◆ badfo_ioctl()

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

static

Definition at line 4968 of file kern_descrip.c.

◆ badfo_kqfilter()

static int badfo_kqfilter	(	struct file *	fp,
		struct knote *	kn
	)

static

Definition at line 4984 of file kern_descrip.c.

◆ badfo_poll()

static int badfo_poll	(	struct file *	fp,
		int	events,
		struct ucred *	active_cred,
		struct thread *	td
	)

static

Definition at line 4976 of file kern_descrip.c.

◆ badfo_readwrite()

static int badfo_readwrite	(	struct file *	fp,
		struct uio *	uio,
		struct ucred *	active_cred,
		int	flags,
		struct thread *	td
	)

static

Definition at line 4952 of file kern_descrip.c.

◆ badfo_sendfile()

static int badfo_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
	)

static

Definition at line 5021 of file kern_descrip.c.

◆ badfo_stat()

static int badfo_stat	(	struct file *	fp,
		struct stat *	sb,
		struct ucred *	active_cred
	)

static

Definition at line 4991 of file kern_descrip.c.

◆ badfo_truncate()

static int badfo_truncate	(	struct file *	fp,
		off_t	length,
		struct ucred *	active_cred,
		struct thread *	td
	)

static

Definition at line 4960 of file kern_descrip.c.

◆ chroot_refuse_vdir_fds()

static int chroot_refuse_vdir_fds ( struct filedesc * fdp )

static

Definition at line 3728 of file kern_descrip.c.

References FILEDESC_FOREACH_FP.

Referenced by pwd_chroot(), and pwd_chroot_chdir().

Here is the caller graph for this function:

◆ close_range_cloexec()

static int close_range_cloexec	(	struct thread *	td,
		u_int	lowfd,
		u_int	highfd
	)

static

Definition at line 1409 of file kern_descrip.c.

References fd.

Referenced by kern_close_range().

Here is the caller graph for this function:

◆ close_range_impl()

static int close_range_impl	(	struct thread *	td,
		u_int	lowfd,
		u_int	highfd
	)

static

Definition at line 1435 of file kern_descrip.c.

References closefp(), fd, and fdfree().

Referenced by kern_close_range().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ closef()

int closef	(	struct file *	fp,
		struct thread *	td
	)

Definition at line 2757 of file kern_descrip.c.

References wakeup().

Referenced by closefp_impl(), fdescfree_fds(), and fdsetugidsafety().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ closef_nothread()

void closef_nothread ( struct file * fp )

Definition at line 2830 of file kern_descrip.c.

Referenced by unp_discard(), and unp_process_defers().

Here is the caller graph for this function:

◆ closefp()

static int closefp	(	struct filedesc *	fdp,
		int	fd,
		struct file *	fp,
		struct thread *	td,
		bool	holdleaders,
		bool	audit
	)

static

Definition at line 1360 of file kern_descrip.c.

References closefp_hl(), closefp_impl(), and fd.

Referenced by close_range_impl(), fdcloseexec(), kern_close(), and kern_dup().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ closefp_hl()

static int closefp_hl	(	struct filedesc *	fdp,
		int	fd,
		struct file *	fp,
		struct thread *	td,
		bool	holdleaders,
		bool	audit
	)

static

Definition at line 1326 of file kern_descrip.c.

References closefp_impl(), fd, and wakeup().

Referenced by closefp().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ closefp_impl()

static int closefp_impl	(	struct filedesc *	fdp,
		int	fd,
		struct file *	fp,
		struct thread *	td,
		bool	audit
	)

static

Definition at line 1285 of file kern_descrip.c.

References closef(), fd, knote_fdclose(), and mq_fdclose.

Referenced by closefp(), and closefp_hl().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ dupfdopen()

int dupfdopen	(	struct thread *	td,
		struct filedesc *	fdp,
		int	dfd,
		int	mode,
		int	openerror,
		int *	indxp
	)

Definition at line 3620 of file kern_descrip.c.

References fdalloc(), fdunused(), filecaps_copy_finish(), filecaps_copy_prep(), and mode.

Referenced by kern_openat().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ export_file_to_kinfo()

static void export_file_to_kinfo	(	struct file *	fp,
		int	fd,
		cap_rights_t *	rightsp,
		struct kinfo_file *	kif,
		struct filedesc *	fdp,
		int	flags
	)

static

Definition at line 4292 of file kern_descrip.c.

References fd, flags, pack_kinfo(), and xlate_fflags().

Referenced by export_file_to_sb(), and kern_fcntl().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ export_file_to_sb()

static int export_file_to_sb	(	struct file *	fp,
		int	fd,
		cap_rights_t *	rightsp,
		struct export_fd_buf *	efbuf
	)

static

Definition at line 4373 of file kern_descrip.c.

References export_file_to_kinfo(), export_kinfo_to_sb(), fd, export_fd_buf::fdp, export_fd_buf::flags, export_fd_buf::kif, and export_fd_buf::remainder.

Referenced by kern_proc_filedesc_out().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ export_kinfo_to_sb()

static int export_kinfo_to_sb ( struct export_fd_buf * efbuf )

static

Definition at line 4357 of file kern_descrip.c.

References export_fd_buf::kif, export_fd_buf::remainder, export_fd_buf::sb, sbuf_bcat(), and sbuf_error().

Referenced by export_file_to_sb(), and export_vnode_to_sb().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ export_vnode_to_kinfo()

static void export_vnode_to_kinfo	(	struct vnode *	vp,
		int	fd,
		int	fflags,
		struct kinfo_file *	kif,
		int	flags
	)

static

Definition at line 4324 of file kern_descrip.c.

References fd, flags, pack_kinfo(), vn_fill_kinfo_vnode(), vrele(), and xlate_fflags().

Referenced by export_vnode_to_sb().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ export_vnode_to_sb()

static int export_vnode_to_sb	(	struct vnode *	vp,
		int	fd,
		int	fflags,
		struct export_fd_buf *	efbuf
	)

static

Definition at line 4389 of file kern_descrip.c.

References export_kinfo_to_sb(), export_vnode_to_kinfo(), fd, export_fd_buf::flags, export_fd_buf::kif, export_fd_buf::pdp, and export_fd_buf::remainder.

Referenced by kern_proc_cwd_out(), and kern_proc_filedesc_out().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ falloc_abort()

void falloc_abort	(	struct thread *	td,
		struct file *	fp
	)

Definition at line 2120 of file kern_descrip.c.

References _fdrop().

Referenced by falloc_caps(), and kern_openat().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ falloc_caps()

int falloc_caps	(	struct thread *	td,
		struct file **	resultfp,
		int *	resultfd,
		int	flags,
		struct filecaps *	fcaps
	)

Definition at line 2058 of file kern_descrip.c.

References _falloc_noinstall(), falloc_abort(), fd, finstall_refed(), and flags.

Referenced by kern_accept4(), kern_kqueue(), kern_pipe(), kern_shm_open2(), procdesc_falloc(), and umtx_shm().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ fd_first_free()

static int fd_first_free	(	struct filedesc *	fdp,
		int	low,
		int	size
	)

static

Definition at line 209 of file kern_descrip.c.

References mask, NDENTRIES, NDSLOT, and NDSLOTS.

Referenced by fdalloc().

Here is the caller graph for this function:

◆ fdalloc()

int fdalloc	(	struct thread *	td,
		int	minfd,
		int *	result
	)

Definition at line 1971 of file kern_descrip.c.

References fd, fd_first_free(), fdgrowtable_exp(), fdisused(), fdused(), getmaxfd(), and result.

Referenced by dupfdopen(), fdallocn(), finstall_refed(), and kern_dup().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ fdallocn()

int fdallocn	(	struct thread *	td,
		int	minfd,
		int *	fds,
		int	n
	)

Definition at line 2029 of file kern_descrip.c.

References fdalloc(), and fdunused().

Referenced by unp_externalize().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ fdcheckstd()

int fdcheckstd ( struct thread * td )

Definition at line 2718 of file kern_descrip.c.

References kern_dup(), and kern_openat().

Referenced by do_execve().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ fdclearlocks()

static void fdclearlocks ( struct thread * td )

static

Definition at line 2445 of file kern_descrip.c.

References FILEDESC_FOREACH_FP, and free().

Referenced by fdescfree().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ fdclose()

void fdclose	(	struct thread *	td,
		struct file *	fp,
		int	idx
	)

Definition at line 2671 of file kern_descrip.c.

References fdfree().

Referenced by accept1(), fork1(), kern_accept4(), kern_kmq_open(), kern_pipe(), kern_shm_open2(), kern_socket(), kern_socketpair(), ksem_create(), m_dispose_extcontrolm(), and sys_posix_openpt().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ fdcloseexec()

void fdcloseexec ( struct thread * td )

Definition at line 2688 of file kern_descrip.c.

References closefp(), fdfree(), and FILEDESC_FOREACH_FDE.

Referenced by do_execve().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ fdcopy()

struct filedesc * fdcopy ( struct filedesc * fdp )

Definition at line 2387 of file kern_descrip.c.

References fdgrowtable(), fdinit(), fdlastfile(), fdused_init(), filecaps_copy(), and FILEDESC_FOREACH_FDE.

Referenced by do_fork(), and fdunshare().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ fddrop()

static void fddrop ( struct filedesc * fdp )

static

Definition at line 2291 of file kern_descrip.c.

References filedesc0_zone.

Referenced by fdescfree_fds(), kern_proc_filedesc_out(), and sysctl_kern_file().

Here is the caller graph for this function:

◆ fdefree_last()

static void fdefree_last ( struct filedescent * fde )

inlinestatic

Definition at line 315 of file kern_descrip.c.

References filecaps_free().

Referenced by fdescfree_fds(), and fdfree().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ fdescfree()

void fdescfree ( struct thread * td )

Definition at line 2562 of file kern_descrip.c.

References fdclearlocks(), and fdescfree_fds().

Referenced by exit1(), fdunshare(), and fork_norfproc().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ fdescfree_fds()

static void fdescfree_fds	(	struct thread *	td,
		struct filedesc *	fdp
	)

static

Definition at line 2524 of file kern_descrip.c.

References closef(), fddrop(), fdefree_last(), FILEDESC_FOREACH_FDE, free(), freetable::ft_table, NDFILE, and NDSLOTS.

Referenced by fdescfree().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ fdfree()

static void fdfree	(	struct filedesc *	fdp,
		int	fd
	)

inlinestatic

Definition at line 322 of file kern_descrip.c.

References fd, fdefree_last(), and fdunused().

Referenced by close_range_impl(), fdclose(), fdcloseexec(), fdsetugidsafety(), and kern_close().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ fdgrowtable()

static void fdgrowtable	(	struct filedesc *	fdp,
		int	nfd
	)

static

Definition at line 1872 of file kern_descrip.c.

References free(), freetable::ft_table, malloc(), NDENTRIES, NDFILE, NDSLOTS, and NDSLOTSIZE.

Referenced by fdcopy(), and fdgrowtable_exp().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ fdgrowtable_exp()

static void fdgrowtable_exp	(	struct filedesc *	fdp,
		int	nfd
	)

static

Definition at line 1856 of file kern_descrip.c.

References fdgrowtable().

Referenced by fdalloc(), and kern_dup().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ fdhold()

static struct filedesc * fdhold ( struct proc * p )

static

Definition at line 2267 of file kern_descrip.c.

Referenced by kern_proc_filedesc_out(), and sysctl_kern_file().

Here is the caller graph for this function:

◆ fdinit()

struct filedesc * fdinit ( void )

Definition at line 2200 of file kern_descrip.c.

References filedesc0::fd_fd, filedesc0_zone, and NDFILE.

Referenced by do_fork(), fdcopy(), fork_norfproc(), and proc0_init().

Here is the caller graph for this function:

◆ fdisused()

static int fdisused	(	struct filedesc *	fdp,
		int	fd
	)

static

Definition at line 259 of file kern_descrip.c.

References fd, NDBIT, and NDSLOT.

Referenced by fdalloc(), fdunused(), fdused_init(), and kern_dup().

Here is the caller graph for this function:

◆ fdlastfile()

int fdlastfile ( struct filedesc * fdp )

Definition at line 251 of file kern_descrip.c.

References fdlastfile_single().

Referenced by fdcopy().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ fdlastfile_single()

int fdlastfile_single ( struct filedesc * fdp )

Definition at line 238 of file kern_descrip.c.

References NDENTRIES, and NDSLOT.

Referenced by fdlastfile().

Here is the caller graph for this function:

◆ fdopen()

static int fdopen	(	struct cdev *	dev,
		int	mode,
		int	type,
		struct thread *	td
	)

static

Definition at line 5162 of file kern_descrip.c.

◆ fdsetugidsafety()

void fdsetugidsafety ( struct thread * td )

Definition at line 2637 of file kern_descrip.c.

References closef(), fdfree(), is_unsafe(), and knote_fdclose().

Referenced by do_execve().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ fdshare()

struct filedesc * fdshare ( struct filedesc * fdp )

Definition at line 2329 of file kern_descrip.c.

Referenced by do_fork().

Here is the caller graph for this function:

◆ fdunshare()

void fdunshare ( struct thread * td )

Definition at line 2350 of file kern_descrip.c.

References fdcopy(), and fdescfree().

Referenced by do_execve(), and fork_norfproc().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ fdunused()

static void fdunused	(	struct filedesc *	fdp,
		int	fd
	)

static

Definition at line 295 of file kern_descrip.c.

References fd, fdisused(), and NDSLOT.

Referenced by dupfdopen(), fdallocn(), and fdfree().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ fdused()

static void fdused	(	struct filedesc *	fdp,
		int	fd
	)

static

Definition at line 281 of file kern_descrip.c.

References fd, and fdused_init().

Referenced by fdalloc(), and kern_dup().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ fdused_init()

static void fdused_init	(	struct filedesc *	fdp,
		int	fd
	)

static

Definition at line 272 of file kern_descrip.c.

References fd, fdisused(), NDBIT, and NDSLOT.

Referenced by fdcopy(), and fdused().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ fget()

int fget	(	struct thread *	td,
		int	fd,
		cap_rights_t *	rightsp,
		struct file **	fpp
	)

Definition at line 3344 of file kern_descrip.c.

References _fget(), and fd.

Referenced by aio_aqueue(), getmq(), kern_fpathconf(), kern_fstat(), kern_ftruncate(), kern_ioctl(), kern_kevent(), kern_lseek(), kern_pdgetpid(), kern_posix_fadvise(), kern_posix_fallocate(), kqfd_register(), kqueue_register(), ksem_get(), m_dispose_extcontrolm(), procdesc_find(), sys_aio_cancel(), sys_fchmod(), sys_fchown(), and sys_flock().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ fget_cap()

int fget_cap	(	struct thread *	td,
		int	fd,
		cap_rights_t *	needrightsp,
		struct file **	fpp,
		struct filecaps *	havecapsp
	)

Definition at line 2935 of file kern_descrip.c.

References fd, fget_unlocked(), and filecaps_fill().

Referenced by fgetvp_rights(), getsock_cap(), and namei_setup().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ fget_cap_noref()

int fget_cap_noref	(	struct filedesc *	fdp,
		int	fd,
		cap_rights_t *	needrightsp,
		struct file **	fpp,
		struct filecaps *	havecapsp
	)

Definition at line 2862 of file kern_descrip.c.

References fd, and filecaps_copy().

Referenced by kern_fcntl(), and ttyhook_register().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ fget_fcntl()

int fget_fcntl	(	struct thread *	td,
		int	fd,
		cap_rights_t *	rightsp,
		int	needfcntl,
		struct file **	fpp
	)

Definition at line 3409 of file kern_descrip.c.

References fd, fget_unlocked(), and fget_unlocked_seq().

Referenced by kern_fcntl().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ fget_mmap()

int fget_mmap	(	struct thread *	td,
		int	fd,
		cap_rights_t *	rightsp,
		vm_prot_t *	maxprotp,
		struct file **	fpp
	)

Definition at line 3351 of file kern_descrip.c.

References _fget(), badfileops, fd, and fget_unlocked_seq().

Here is the call graph for this function:

◆ fget_only_user()

int fget_only_user	(	struct filedesc *	fdp,
		int	fd,
		cap_rights_t *	needrightsp,
		struct file **	fpp
	)

Definition at line 3262 of file kern_descrip.c.

References fd.

Referenced by pollrescan(), pollscan(), selrescan(), and selscan().

Here is the caller graph for this function:

◆ fget_read()

int fget_read	(	struct thread *	td,
		int	fd,
		cap_rights_t *	rightsp,
		struct file **	fpp
	)

Definition at line 3395 of file kern_descrip.c.

References _fget(), and fd.

Referenced by aio_aqueue(), getmq_read(), kern_copy_file_range(), kern_preadv(), kern_readv(), and sendfile().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ fget_unlocked()

int fget_unlocked	(	struct thread *	td,
		int	fd,
		cap_rights_t *	needrightsp,
		struct file **	fpp
	)

Definition at line 3163 of file kern_descrip.c.

References fd, and fget_unlocked_seq().

Referenced by _fget(), fget_cap(), fget_fcntl(), getvnode_path(), kern_fcntl(), pollrescan(), pollscan(), selrescan(), and selscan().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ fget_unlocked_seq() [1/2]

static int fget_unlocked_seq	(	struct thread *	td,
		int	fd,
		cap_rights_t *	needrightsp,
		struct file **	fpp,
		seqc_t *seqp	__unused
	)

static

Definition at line 3120 of file kern_descrip.c.

References fd.

◆ fget_unlocked_seq() [2/2]

static int fget_unlocked_seq	(	struct thread *	td,
		int	fd,
		cap_rights_t *	needrightsp,
		struct file **	fpp,
		seqc_t *	seqp
	)

static

Referenced by fget_fcntl(), fget_mmap(), and fget_unlocked().

Here is the caller graph for this function:

◆ fget_write()

int fget_write	(	struct thread *	td,
		int	fd,
		cap_rights_t *	rightsp,
		struct file **	fpp
	)

Definition at line 3402 of file kern_descrip.c.

References _fget(), and fd.

Referenced by aio_aqueue(), getmq_write(), kern_copy_file_range(), kern_fspacectl(), kern_ptrace(), kern_pwritev(), and kern_writev().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ fgetown()

pid_t fgetown ( struct sigio ** sigiop )

Definition at line 1274 of file kern_descrip.c.

Referenced by devioctl(), kern_accept4(), kqueue_ioctl(), logioctl(), pipe_ioctl(), soo_ioctl(), and tty_generic_ioctl().

Here is the caller graph for this function:

◆ fgetvp()

int fgetvp	(	struct thread *	td,
		int	fd,
		cap_rights_t *	rightsp,
		struct vnode **	vpp
	)

Definition at line 3470 of file kern_descrip.c.

References _fgetvp(), and fd.

Here is the call graph for this function:

◆ fgetvp_exec()

int fgetvp_exec	(	struct thread *	td,
		int	fd,
		cap_rights_t *	rightsp,
		struct vnode **	vpp
	)

Definition at line 3516 of file kern_descrip.c.

References _fgetvp(), and fd.

Referenced by do_execve().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ fgetvp_lookup_smr()

int fgetvp_lookup_smr	(	int	fd,
		struct nameidata *	ndp,
		struct vnode **	vpp,
		bool *	fsearch
	)

Definition at line 3015 of file kern_descrip.c.

References fd, and filecaps_fill().

Referenced by cache_fplookup_dirfd().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ fgetvp_read()

int fgetvp_read	(	struct thread *	td,
		int	fd,
		cap_rights_t *	rightsp,
		struct vnode **	vpp
	)

Definition at line 3509 of file kern_descrip.c.

References _fgetvp(), and fd.

Here is the call graph for this function:

◆ fgetvp_rights()

int fgetvp_rights	(	struct thread *	td,
		int	fd,
		cap_rights_t *	needrightsp,
		struct filecaps *	havecaps,
		struct vnode **	vpp
	)

Definition at line 3477 of file kern_descrip.c.

References badfileops, fd, fget_cap(), filecaps_free(), and vref().

Here is the call graph for this function:

◆ fildesc_drvinit()

static void fildesc_drvinit ( void * unused )

static

Definition at line 5184 of file kern_descrip.c.

References fildesc_cdevsw, make_dev_alias(), and make_dev_credf().

Here is the call graph for this function:

◆ filecaps_copy()

bool filecaps_copy	(	const struct filecaps *	src,
		struct filecaps *	dst,
		bool	locked
	)

Definition at line 1728 of file kern_descrip.c.

References malloc(), and src.

Referenced by fdcopy(), fget_cap_noref(), and unp_internalize().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ filecaps_copy_finish()

static void filecaps_copy_finish	(	const struct filecaps *	src,
		struct filecaps *	dst,
		u_long *	ioctls
	)

static

Definition at line 1765 of file kern_descrip.c.

References src.

Referenced by dupfdopen(), and kern_dup().

Here is the caller graph for this function:

◆ filecaps_copy_prep()

static u_long * filecaps_copy_prep ( const struct filecaps * src )

static

Definition at line 1748 of file kern_descrip.c.

References malloc(), and src.

Referenced by dupfdopen(), and kern_dup().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ filecaps_fill()

static void filecaps_fill ( struct filecaps * fcaps )

static

Definition at line 1796 of file kern_descrip.c.

Referenced by _finstall(), fget_cap(), and fgetvp_lookup_smr().

Here is the caller graph for this function:

◆ filecaps_free()

void filecaps_free ( struct filecaps * fcaps )

Definition at line 1809 of file kern_descrip.c.

References free().

Referenced by fdefree_last(), fgetvp_rights(), getsock_cap(), kern_accept4(), kern_openat(), and unp_freerights().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ filecaps_free_finish()

static void filecaps_free_finish ( u_long * ioctls )

static

Definition at line 1827 of file kern_descrip.c.

References free().

Referenced by kern_dup().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ filecaps_free_prep()

static u_long * filecaps_free_prep ( struct filecaps * fcaps )

static

Definition at line 1817 of file kern_descrip.c.

Referenced by kern_dup().

Here is the caller graph for this function:

◆ filecaps_move()

void filecaps_move	(	struct filecaps *	src,
		struct filecaps *	dst
	)

Definition at line 1785 of file kern_descrip.c.

References src.

Referenced by _finstall().

Here is the caller graph for this function:

◆ filecaps_validate()

static void filecaps_validate	(	const struct filecaps *	fcaps,
		const char *	func
	)

static

Definition at line 1837 of file kern_descrip.c.

References cap_rights_is_valid().

Referenced by _finstall().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ filedesc_to_leader_alloc()

struct filedesc_to_leader * filedesc_to_leader_alloc	(	struct filedesc_to_leader *	old,
		struct filedesc *	fdp,
		struct proc *	leader
	)

Definition at line 4098 of file kern_descrip.c.

References malloc().

Referenced by do_fork().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ filelistinit()

static void filelistinit ( void * dummy )

static

Definition at line 4931 of file kern_descrip.c.

References file_zone, filedesc0_zone, pwd_zone, and sigio_lock.

◆ finit()

void finit	(	struct file *	fp,
		u_int	flag,
		short	type,
		void *	data,
		struct fileops *	ops
	)

Definition at line 2844 of file kern_descrip.c.

References data, flag, and type.

Referenced by eventfd_create_file(), finit_vnode(), kern_accept4(), kern_kmq_open(), kern_kqueue(), kern_openat(), kern_pipe(), kern_shm_open2(), kern_socket(), kern_socketpair(), ksem_create(), procdesc_finit(), pts_alloc(), pts_alloc_external(), and umtx_shm().

Here is the caller graph for this function:

◆ finit_vnode()

void finit_vnode	(	struct file *	fp,
		u_int	flag,
		void *	data,
		struct fileops *	ops
	)

Definition at line 2853 of file kern_descrip.c.

References data, finit(), and flag.

Referenced by kern_fhopen(), and kern_openat().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ finstall()

int finstall	(	struct thread *	td,
		struct file *	fp,
		int *	fd,
		int	flags,
		struct filecaps *	fcaps
	)

Definition at line 2178 of file kern_descrip.c.

References fd, finstall_refed(), and flags.

Referenced by kern_fhopen(), and kern_specialfd().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ finstall_refed()

int finstall_refed	(	struct thread *	td,
		struct file *	fp,
		int *	fd,
		int	flags,
		struct filecaps *	fcaps
	)

Definition at line 2160 of file kern_descrip.c.

References _finstall(), fd, fdalloc(), and flags.

Referenced by falloc_caps(), finstall(), and kern_openat().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ fsetown()

int fsetown	(	pid_t	pgid,
		struct sigio **	sigiop
	)

Definition at line 1190 of file kern_descrip.c.

References crhold(), funsetown(), funsetown_locked(), malloc(), pget(), pgfind(), proctree_lock, and sigiofree().

Referenced by devioctl(), kern_accept4(), kqueue_ioctl(), logioctl(), logopen(), pipe_ioctl(), soo_ioctl(), and tty_generic_ioctl().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ funsetown()

void funsetown ( struct sigio ** sigiop )

Definition at line 1101 of file kern_descrip.c.

References funsetown_locked(), and sigiofree().

Referenced by devclose(), fsetown(), kqueue_destroy(), logclose(), pipe_dtor(), soclose(), and tty_rel_free().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ funsetown_locked()

static struct sigio * funsetown_locked ( struct sigio * sigio )

static

Definition at line 1071 of file kern_descrip.c.

Referenced by fsetown(), and funsetown().

Here is the caller graph for this function:

◆ funsetownlst()

void funsetownlst ( struct sigiolst * sigiolst )

Definition at line 1123 of file kern_descrip.c.

References proctree_lock, and sigiofree().

Referenced by exit1(), and pgdelete().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ getmaxfd()

static int getmaxfd ( struct thread * td )

static

Definition at line 916 of file kern_descrip.c.

References lim_cur(), and maxfilesperproc.

Referenced by fdalloc(), kern_dup(), and sys_getdtablesize().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ invfo_chmod()

int invfo_chmod	(	struct file *	fp,
		mode_t	mode,
		struct ucred *	active_cred,
		struct thread *	td
	)

Definition at line 5123 of file kern_descrip.c.

Referenced by pipe_chmod().

Here is the caller graph for this function:

◆ invfo_chown()

int invfo_chown	(	struct file *	fp,
		uid_t	uid,
		gid_t	gid,
		struct ucred *	active_cred,
		struct thread *	td
	)

Definition at line 5131 of file kern_descrip.c.

Referenced by pipe_chown().

Here is the caller graph for this function:

◆ invfo_ioctl()

int invfo_ioctl	(	struct file *	fp,
		u_long	com,
		void *	data,
		struct ucred *	active_cred,
		struct thread *	td
	)

Definition at line 5100 of file kern_descrip.c.

◆ invfo_kqfilter()

int invfo_kqfilter	(	struct file *	fp,
		struct knote *	kn
	)

Definition at line 5116 of file kern_descrip.c.

◆ invfo_poll()

int invfo_poll	(	struct file *	fp,
		int	events,
		struct ucred *	active_cred,
		struct thread *	td
	)

Definition at line 5108 of file kern_descrip.c.

References poll_no_poll().

Here is the call graph for this function:

◆ invfo_rdwr()

int invfo_rdwr	(	struct file *	fp,
		struct uio *	uio,
		struct ucred *	active_cred,
		int	flags,
		struct thread *	td
	)

Definition at line 5084 of file kern_descrip.c.

◆ invfo_sendfile()

int invfo_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
	)

Definition at line 5139 of file kern_descrip.c.

◆ invfo_truncate()

int invfo_truncate	(	struct file *	fp,
		off_t	length,
		struct ucred *	active_cred,
		struct thread *	td
	)

Definition at line 5092 of file kern_descrip.c.

Referenced by pipe_truncate().

Here is the caller graph for this function:

◆ is_unsafe()

static bool is_unsafe ( struct file * fp )

static

Definition at line 2622 of file kern_descrip.c.

Referenced by fdsetugidsafety().

Here is the caller graph for this function:

◆ kern_close()

int kern_close	(	struct thread *	td,
		int	fd
	)

Definition at line 1390 of file kern_descrip.c.

References closefp(), fd, and fdfree().

Referenced by parse_dir_md(), sys_close(), sys_ksem_close(), sys_ksem_destroy(), sys_pipe2(), and sys_socketpair().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ kern_close_range()

int kern_close_range	(	struct thread *	td,
		int	flags,
		u_int	lowfd,
		u_int	highfd
	)

Definition at line 1472 of file kern_descrip.c.

References close_range_cloexec(), close_range_impl(), and flags.

Referenced by sys_close_range().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ kern_dup()

int kern_dup	(	struct thread *	td,
		u_int	mode,
		int	flags,
		int	old,
		int	new
	)

Definition at line 926 of file kern_descrip.c.

References closefp(), fdalloc(), fdgrowtable_exp(), fdisused(), fdused(), filecaps_copy_finish(), filecaps_copy_prep(), filecaps_free_finish(), filecaps_free_prep(), flags, getmaxfd(), and mode.

Referenced by fdcheckstd(), kern_fcntl(), sys_dup(), and sys_dup2().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ kern_fcntl()

int kern_fcntl	(	struct thread *	td,
		int	fd,
		int	cmd,
		intptr_t	arg
	)

Definition at line 488 of file kern_descrip.c.

References cap_fcntl_rights, cap_flock_rights, cap_no_rights, export_file_to_kinfo(), fd, fget_cap_noref(), fget_fcntl(), fget_unlocked(), free(), kern_dup(), malloc(), path_fileops, and priv_check().

Referenced by kern_fcntl_freebsd().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ kern_fcntl_freebsd()

int kern_fcntl_freebsd	(	struct thread *	td,
		int	fd,
		int	cmd,
		long	arg
	)

Definition at line 421 of file kern_descrip.c.

References fd, and kern_fcntl().

Referenced by sys_fcntl().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ kern_fpathconf()

int kern_fpathconf	(	struct thread *	td,
		int	fd,
		int	name,
		long *	valuep
	)

Definition at line 1684 of file kern_descrip.c.

References cap_fpathconf_rights, fd, fget(), and name.

Referenced by sys_fpathconf().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ kern_fstat()

int kern_fstat	(	struct thread *	td,
		int	fd,
		struct stat *	sbp
	)

Definition at line 1605 of file kern_descrip.c.

References cap_fstat_rights, fd, and fget().

Referenced by kern_statat(), and sys_fstat().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ kern_proc_cwd_out()

int kern_proc_cwd_out	(	struct proc *	p,
		struct sbuf *	sb,
		ssize_t	maxlen
	)

Definition at line 4721 of file kern_descrip.c.

References export_vnode_to_sb(), export_fd_buf::fdp, export_fd_buf::flags, free(), malloc(), pddrop(), pdhold(), export_fd_buf::pdp, export_fd_buf::remainder, export_fd_buf::sb, and vrefact().

Referenced by sysctl_kern_proc_cwd().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ kern_proc_filedesc_out()

int kern_proc_filedesc_out	(	struct proc *	p,
		struct sbuf *	sb,
		ssize_t	maxlen,
		int	flags
	)

Definition at line 4411 of file kern_descrip.c.

References cap_no_rights, export_file_to_sb(), export_vnode_to_sb(), fddrop(), fdhold(), export_fd_buf::fdp, FILEDESC_FOREACH_FP, export_fd_buf::flags, flags, free(), malloc(), pddrop(), pdhold(), export_fd_buf::pdp, pwd_drop(), pwd_hold_pwddesc(), export_fd_buf::remainder, export_fd_buf::sb, and vrefact().

Referenced by note_procstat_files(), and sysctl_kern_proc_filedesc().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ MALLOC_DECLARE()

MALLOC_DECLARE ( M_FADVISE )

◆ MALLOC_DEFINE() [1/6]

MALLOC_DEFINE	(	M_FILECAPS	,
		"filecaps"	,
		"descriptor capabilities"
	)

◆ MALLOC_DEFINE() [2/6]

static MALLOC_DEFINE	(	M_FILEDESC	,
		"filedesc"	,
		"Open file descriptor table"
	)

static

◆ MALLOC_DEFINE() [3/6]

static MALLOC_DEFINE	(	M_FILEDESC_TO_LEADER	,
		"filedesc_to_leader"	,
		"file desc to leader structures"
	)

static

◆ MALLOC_DEFINE() [4/6]

static MALLOC_DEFINE	(	M_PWD	,
		"pwd"	,
		"Descriptor table vnodes"
	)

static

◆ MALLOC_DEFINE() [5/6]

static MALLOC_DEFINE	(	M_PWDDESC	,
		"pwddesc"	,
		"Pwd descriptors"
	)

static

◆ MALLOC_DEFINE() [6/6]

static MALLOC_DEFINE	(	M_SIGIO	,
		"sigio"	,
		"sigio structures"
	)

static

◆ mountcheckdirs()

void mountcheckdirs	(	struct vnode *	olddp,
		struct vnode *	newdp
	)

Definition at line 4020 of file kern_descrip.c.

References allprison, allprison_lock, allproc_lock, pddrop(), pdhold(), pr, prison0, pwd_alloc(), pwd_drop(), pwd_fill(), rootvnode, vrefact(), and vrele().

Referenced by kern_reroot(), and vfs_domount_first().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ pack_kinfo()

void pack_kinfo ( struct kinfo_file * kif )

Definition at line 4283 of file kern_descrip.c.

Referenced by export_file_to_kinfo(), export_vnode_to_kinfo(), and sysctl_posix_shm_list().

Here is the caller graph for this function:

◆ path_close()

static int path_close	(	struct file *	fp,
		struct thread *	td
	)

static

Definition at line 5059 of file kern_descrip.c.

References badfileops, and vdrop().

Here is the call graph for this function:

◆ path_poll()

static int path_poll	(	struct file *	fp,
		int	events,
		struct ucred *	active_cred,
		struct thread *	td
	)

static

Definition at line 5052 of file kern_descrip.c.

◆ pdcopy()

struct pwddesc * pdcopy ( struct pwddesc * pdp )

Definition at line 2428 of file kern_descrip.c.

References pdinit().

Referenced by do_fork(), and pdunshare().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ pddrop()

static void pddrop ( struct pwddesc * pdp )

static

Definition at line 2304 of file kern_descrip.c.

References free(), and pwd_drop().

Referenced by kern_proc_cwd_out(), kern_proc_filedesc_out(), mountcheckdirs(), pdescfree(), and pwd_hold_proc().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ pdescfree()

void pdescfree ( struct thread * td )

Definition at line 2593 of file kern_descrip.c.

References pddrop().

Referenced by exit1(), fork_norfproc(), and pdunshare().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ pdhold()

static struct pwddesc * pdhold ( struct proc * p )

static

Definition at line 2279 of file kern_descrip.c.

Referenced by kern_proc_cwd_out(), kern_proc_filedesc_out(), mountcheckdirs(), and pwd_hold_proc().

Here is the caller graph for this function:

◆ pdinit()

struct pwddesc * pdinit	(	struct pwddesc *	pdp,
		bool	keeplock
	)

Definition at line 2226 of file kern_descrip.c.

References malloc(), pwd_alloc(), and pwd_hold_pwddesc().

Referenced by do_fork(), fork_norfproc(), pdcopy(), and proc0_init().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ pdshare()

struct pwddesc * pdshare ( struct pwddesc * pdp )

Definition at line 2340 of file kern_descrip.c.

Referenced by do_fork().

Here is the caller graph for this function:

◆ pdunshare()

void pdunshare ( struct thread * td )

Definition at line 2367 of file kern_descrip.c.

References pdcopy(), and pdescfree().

Referenced by do_execve(), and fork_norfproc().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ pwd_alloc()

static struct pwd * pwd_alloc ( void )

static

Definition at line 3832 of file kern_descrip.c.

References pwd_zone.

Referenced by mountcheckdirs(), pdinit(), pwd_chdir(), pwd_chroot(), pwd_chroot_chdir(), pwd_ensure_dirs(), and pwd_set_rootvnode().

Here is the caller graph for this function:

◆ pwd_chdir()

void pwd_chdir	(	struct thread *	td,
		struct vnode *	vp
	)

Definition at line 3904 of file kern_descrip.c.

References pwd_alloc(), pwd_drop(), and pwd_fill().

Referenced by kern_chdir(), and sys_fchdir().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ pwd_chroot()

int pwd_chroot	(	struct thread *	td,
		struct vnode *	vp
	)

Definition at line 3863 of file kern_descrip.c.

References chroot_allow_open_directories, chroot_refuse_vdir_fds(), pwd_alloc(), pwd_drop(), pwd_fill(), rootvnode, and vrefact().

Referenced by sys_chroot().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ pwd_chroot_chdir()

int pwd_chroot_chdir	(	struct thread *	td,
		struct vnode *	vp
	)

Definition at line 3926 of file kern_descrip.c.

References chroot_refuse_vdir_fds(), pwd_alloc(), pwd_drop(), pwd_fill(), and vrefact().

Referenced by do_jail_attach().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ pwd_drop()

void pwd_drop ( struct pwd * pwd )

Definition at line 3843 of file kern_descrip.c.

References pwd_zone, and vrele().

Referenced by cache_fplookup_partial_setup(), kern_proc_filedesc_out(), linker_root_mounted(), mountcheckdirs(), namei(), namei_emptypath(), namei_setup(), pddrop(), pwd_chdir(), pwd_chroot(), pwd_chroot_chdir(), pwd_ensure_dirs(), pwd_set_rootvnode(), vn_fullpath(), vn_fullpath_hardlink(), and vn_getcwd().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ pwd_ensure_dirs()

void pwd_ensure_dirs ( void )

Definition at line 3963 of file kern_descrip.c.

References pwd_alloc(), pwd_drop(), pwd_fill(), rootvnode, and vrefact().

Referenced by set_rootvnode().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ pwd_fill()

static void pwd_fill	(	struct pwd *	oldpwd,
		struct pwd *	newpwd
	)

static

Definition at line 3747 of file kern_descrip.c.

References vrefact().

Referenced by mountcheckdirs(), pwd_chdir(), pwd_chroot(), pwd_chroot_chdir(), pwd_ensure_dirs(), and pwd_set_rootvnode().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ pwd_hold()

struct pwd * pwd_hold ( struct thread * td )

Definition at line 3790 of file kern_descrip.c.

References pwd_hold_pwddesc(), and pwd_hold_smr().

Referenced by linker_root_mounted(), namei_setup(), vn_fullpath(), vn_fullpath_hardlink(), and vn_getcwd().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ pwd_hold_proc()

struct pwd * pwd_hold_proc ( struct proc * p )

Definition at line 3812 of file kern_descrip.c.

References pddrop(), pdhold(), and pwd_hold_pwddesc().

Here is the call graph for this function:

◆ pwd_hold_pwddesc()

struct pwd * pwd_hold_pwddesc ( struct pwddesc * pdp )

Definition at line 3767 of file kern_descrip.c.

Referenced by kern_proc_filedesc_out(), pdinit(), pwd_hold(), and pwd_hold_proc().

Here is the caller graph for this function:

◆ pwd_hold_smr()

bool pwd_hold_smr ( struct pwd * pwd )

Definition at line 3779 of file kern_descrip.c.

Referenced by cache_fplookup_partial_setup(), and pwd_hold().

Here is the caller graph for this function:

◆ pwd_set_rootvnode()

void pwd_set_rootvnode ( void )

Definition at line 3995 of file kern_descrip.c.

References pwd_alloc(), pwd_drop(), pwd_fill(), rootvnode, and vrefact().

Referenced by set_rootvnode().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ sigiofree()

static void sigiofree ( struct sigio * sigio )

static

Definition at line 1064 of file kern_descrip.c.

References crfree(), and free().

Referenced by fsetown(), funsetown(), and funsetownlst().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ sys_close()

int sys_close	(	struct thread *	td,
		struct close_args *	uap
	)

Definition at line 1383 of file kern_descrip.c.

References close_args::fd, and kern_close().

Here is the call graph for this function:

◆ sys_close_range()

int sys_close_range	(	struct thread *	td,
		struct close_range_args *	uap
	)

Definition at line 1499 of file kern_descrip.c.

References close_range_args::flags, close_range_args::highfd, kern_close_range(), and close_range_args::lowfd.

Here is the call graph for this function:

◆ sys_dup()

int sys_dup	(	struct thread *	td,
		struct dup_args *	uap
	)

Definition at line 396 of file kern_descrip.c.

References dup_args::fd, and kern_dup().

Here is the call graph for this function:

◆ sys_dup2()

int sys_dup2	(	struct thread *	td,
		struct dup2_args *	uap
	)

Definition at line 380 of file kern_descrip.c.

References dup2_args::from, kern_dup(), and dup2_args::to.

Here is the call graph for this function:

◆ sys_fcntl()

int sys_fcntl	(	struct thread *	td,
		struct fcntl_args *	uap
	)

Definition at line 414 of file kern_descrip.c.

References fcntl_args::arg, fcntl_args::cmd, fcntl_args::fd, and kern_fcntl_freebsd().

Here is the call graph for this function:

◆ sys_flock()

int sys_flock	(	struct thread *	td,
		struct flock_args *	uap
	)

Definition at line 3572 of file kern_descrip.c.

References cap_flock_rights, flock_args::fd, fget(), flock_args::how, and path_fileops.

Here is the call graph for this function:

◆ sys_fpathconf()

int sys_fpathconf	(	struct thread *	td,
		struct fpathconf_args *	uap
	)

Definition at line 1672 of file kern_descrip.c.

References fpathconf_args::fd, kern_fpathconf(), fpathconf_args::name, and value.

Here is the call graph for this function:

◆ sys_fstat()

int sys_fstat	(	struct thread *	td,
		struct fstat_args *	uap
	)

Definition at line 1593 of file kern_descrip.c.

References fstat_args::fd, kern_fstat(), and fstat_args::sb.

Here is the call graph for this function:

◆ sys_getdtablesize()

int sys_getdtablesize	(	struct thread *	td,
		struct getdtablesize_args *	uap
	)

Definition at line 349 of file kern_descrip.c.

References getmaxfd().

Here is the call graph for this function:

◆ SYSCTL_INT() [1/4]

SYSCTL_INT	(	_kern	,
		KERN_MAXFILES	,
		maxfiles	,
		CTLFLAG_RW	,
		&	maxfiles,
		0	,
		"Maximum number of files"
	)

◆ SYSCTL_INT() [2/4]

SYSCTL_INT	(	_kern	,
		KERN_MAXFILESPERPROC	,
		maxfilesperproc	,
		CTLFLAG_RW	,
		&	maxfilesperproc,
		0	,
		"Maximum files allowed open per process"
	)

◆ SYSCTL_INT() [3/4]

SYSCTL_INT	(	_kern	,
		OID_AUTO	,
		chroot_allow_open_directories	,
		CTLFLAG_RW	,
		&	chroot_allow_open_directories,
		0	,
		"Allow a process to chroot(2) if it has a directory open"
	)

◆ SYSCTL_INT() [4/4]

SYSCTL_INT	(	_kern	,
		OID_AUTO	,
		openfiles	,
		CTLFLAG_RD	,
		&	openfiles,
		0	,
		"System-wide number of open files"
	)

◆ sysctl_kern_file()

static int sysctl_kern_file ( SYSCTL_HANDLER_ARGS )

static

Definition at line 4157 of file kern_descrip.c.

References allproc_lock, fddrop(), fdhold(), FILEDESC_FOREACH_FP, p_cansee(), and sysctl_wire_old_buffer().

Here is the call graph for this function:

◆ sysctl_kern_proc_cwd()

static int sysctl_kern_proc_cwd ( SYSCTL_HANDLER_ARGS )

static

Definition at line 4762 of file kern_descrip.c.

References kern_proc_cwd_out(), name, pget(), sbuf_clear_flags(), sbuf_delete(), sbuf_finish(), and sbuf_new_for_sysctl().

Here is the call graph for this function:

◆ sysctl_kern_proc_filedesc()

static int sysctl_kern_proc_filedesc ( SYSCTL_HANDLER_ARGS )

static

Definition at line 4526 of file kern_descrip.c.

References FILEDESC_SBUF_SIZE, kern_proc_filedesc_out(), name, pget(), sbuf_clear_flags(), sbuf_delete(), sbuf_finish(), and sbuf_new_for_sysctl().

Here is the call graph for this function:

◆ sysctl_kern_proc_nfds()

static int sysctl_kern_proc_nfds ( SYSCTL_HANDLER_ARGS )

static

Definition at line 4123 of file kern_descrip.c.

References count, and NDSLOT.

◆ SYSCTL_NODE() [1/3]

static SYSCTL_NODE	(	_kern_proc	,
		KERN_PROC_CWD	,
		cwd	,
		CTLFLAG_RD\|	CTLFLAG_MPSAFE,
		sysctl_kern_proc_cwd	,
		"Process current working directory"
	)

static

◆ SYSCTL_NODE() [2/3]

static SYSCTL_NODE	(	_kern_proc	,
		KERN_PROC_FILEDESC	,
		filedesc	,
		CTLFLAG_RD\|	CTLFLAG_MPSAFE,
		sysctl_kern_proc_filedesc	,
		"Process filedesc entries"
	)

static

◆ SYSCTL_NODE() [3/3]

static SYSCTL_NODE	(	_kern_proc	,
		KERN_PROC_NFDS	,
		nfds	,
		CTLFLAG_RD\|CTLFLAG_CAPRD\|	CTLFLAG_MPSAFE,
		sysctl_kern_proc_nfds	,
		"Number of open file descriptors"
	)

static

◆ SYSCTL_PROC()

SYSCTL_PROC	(	_kern	,
		KERN_FILE	,
		file	,
		CTLTYPE_OPAQUE\|CTLFLAG_RD\|	CTLFLAG_MPSAFE,
		0	,
		0	,
		sysctl_kern_file	,
		"	S,
		xfile"	,
		"Entire file table"
	)

◆ SYSINIT() [1/2]

SYSINIT	(	fildescdev	,
		SI_SUB_DRIVERS	,
		SI_ORDER_MIDDLE	,
		fildesc_drvinit	,
		NULL
	)

◆ SYSINIT() [2/2]

SYSINIT	(	select	,
		SI_SUB_LOCK	,
		SI_ORDER_FIRST	,
		filelistinit	,
		NULL
	)

◆ vntype_to_kinfo()

int vntype_to_kinfo ( int vtype )

Definition at line 4683 of file kern_descrip.c.

Referenced by kern_proc_vmmap_out(), and vn_fill_kinfo_vnode().

Here is the caller graph for this function:

◆ xlate_fflags()

static int xlate_fflags ( int fflags )

static

Definition at line 4249 of file kern_descrip.c.

Referenced by export_file_to_kinfo(), and export_vnode_to_kinfo().

Here is the caller graph for this function:

Variable Documentation

◆ badfileops

struct fileops badfileops

Initial value:

= {
        .fo_read = badfo_readwrite,
        .fo_write = badfo_readwrite,
        .fo_truncate = badfo_truncate,
        .fo_ioctl = badfo_ioctl,
        .fo_poll = badfo_poll,
        .fo_kqfilter = badfo_kqfilter,
        .fo_stat = badfo_stat,
        .fo_close = badfo_close,
        .fo_chmod = badfo_chmod,
        .fo_chown = badfo_chown,
        .fo_sendfile = badfo_sendfile,
        .fo_fill_kinfo = badfo_fill_kinfo,
}

Definition at line 5036 of file kern_descrip.c.

Referenced by _falloc_noinstall(), _fget(), fget_mmap(), fgetvp_rights(), getvnode_path(), kern_copy_file_range(), kern_fhopen(), kern_openat(), mqf_close(), namei_setup(), path_close(), pipe_close(), procdesc_close(), soo_close(), ttyhook_register(), vn_closefile(), and vn_open_vnode().

◆ chroot_allow_open_directories

int chroot_allow_open_directories = 1

static

Definition at line 3717 of file kern_descrip.c.

Referenced by pwd_chroot().

◆ fildesc_cdevsw

struct cdevsw fildesc_cdevsw

static

Initial value:

= {
        .d_version =    D_VERSION,
        .d_open =       fdopen,
        .d_name =       "FD",
}

Definition at line 5177 of file kern_descrip.c.

Referenced by fildesc_drvinit().

◆ file_zone

__read_mostly uma_zone_t file_zone

static

Definition at line 103 of file kern_descrip.c.

Referenced by _falloc_noinstall(), _fdrop(), and filelistinit().

◆ filedesc0_zone

__read_mostly uma_zone_t filedesc0_zone

static

Definition at line 104 of file kern_descrip.c.

Referenced by fddrop(), fdinit(), and filelistinit().

◆ mq_fdclose

void __read_mostly(* mq_fdclose) (struct thread td, int fd, struct file fp)	(	struct thread *	td,
		int	fd,
		struct file *	fp
	)

Definition at line 201 of file kern_descrip.c.

Referenced by closefp_impl(), and mqfs_init().

◆ openfiles

int __exclusive_cache_line openfiles

static

Definition at line 199 of file kern_descrip.c.

Referenced by _falloc_noinstall(), and _fdrop().

◆ path_fileops

struct fileops path_fileops

Initial value:

= {
        .fo_read = badfo_readwrite,
        .fo_write = badfo_readwrite,
        .fo_truncate = badfo_truncate,
        .fo_ioctl = badfo_ioctl,
        .fo_poll = path_poll,
        .fo_kqfilter = vn_kqfilter_opath,
        .fo_stat = vn_statfile,
        .fo_close = path_close,
        .fo_chmod = badfo_chmod,
        .fo_chown = badfo_chown,
        .fo_sendfile = badfo_sendfile,
        .fo_fill_kinfo = vn_fill_kinfo,
        .fo_flags = DFLAG_PASSABLE,
}

Definition at line 5067 of file kern_descrip.c.

Referenced by _fget(), aio_aqueue(), getvnode(), kern_fcntl(), kern_openat(), and sys_flock().

◆ pwd_zone

__read_mostly uma_zone_t pwd_zone

Definition at line 105 of file kern_descrip.c.

Referenced by filelistinit(), pwd_alloc(), and pwd_drop().

◆ sigio_lock

struct mtx sigio_lock

Definition at line 200 of file kern_descrip.c.

Referenced by filelistinit().

◆ VFS_SMR_DECLARE

VFS_SMR_DECLARE

Definition at line 106 of file kern_descrip.c.

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

◆ FILEDESC_FOREACH_FDE

◆ FILEDESC_FOREACH_FP

◆ FILEDESC_SBUF_SIZE

◆ NDBIT

◆ NDENTRIES

◆ NDFILE

◆ NDSLOT

◆ NDSLOTS

◆ NDSLOTSIZE

Function Documentation

◆ __FBSDID()

◆ _falloc_noinstall()

◆ _fdrop()

◆ _fget()

◆ _fgetvp()

◆ _finstall()

◆ badfo_chmod()

◆ badfo_chown()

◆ badfo_close()

◆ badfo_fill_kinfo()

◆ badfo_ioctl()

◆ badfo_kqfilter()

◆ badfo_poll()

◆ badfo_readwrite()

◆ badfo_sendfile()

◆ badfo_stat()

◆ badfo_truncate()

◆ chroot_refuse_vdir_fds()

◆ close_range_cloexec()

◆ close_range_impl()

◆ closef()

◆ closef_nothread()

◆ closefp()

◆ closefp_hl()

◆ closefp_impl()

◆ dupfdopen()

◆ export_file_to_kinfo()

◆ export_file_to_sb()

◆ export_kinfo_to_sb()

◆ export_vnode_to_kinfo()

◆ export_vnode_to_sb()

◆ falloc_abort()

◆ falloc_caps()

◆ fd_first_free()

◆ fdalloc()

◆ fdallocn()

◆ fdcheckstd()

◆ fdclearlocks()

◆ fdclose()

◆ fdcloseexec()

◆ fdcopy()

◆ fddrop()

◆ fdefree_last()

◆ fdescfree()

◆ fdescfree_fds()

◆ fdfree()

◆ fdgrowtable()

◆ fdgrowtable_exp()

◆ fdhold()

◆ fdinit()

◆ fdisused()

◆ fdlastfile()

◆ fdlastfile_single()

◆ fdopen()

◆ fdsetugidsafety()

◆ fdshare()

◆ fdunshare()

◆ fdunused()

◆ fdused()

◆ fdused_init()

◆ fget()

◆ fget_cap()

◆ fget_cap_noref()

◆ fget_fcntl()

◆ fget_mmap()