sys_procdesc.c File Reference

#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/capsicum.h>
#include <sys/fcntl.h>
#include <sys/file.h>
#include <sys/filedesc.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/poll.h>
#include <sys/proc.h>
#include <sys/procdesc.h>
#include <sys/resourcevar.h>
#include <sys/stat.h>
#include <sys/sysproto.h>
#include <sys/sysctl.h>
#include <sys/systm.h>
#include <sys/ucred.h>
#include <sys/user.h>
#include <security/audit/audit.h>
#include <vm/uma.h>

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Functions
	__FBSDID ("$FreeBSD$")
	FEATURE (process_descriptors, "Process Descriptors")
	MALLOC_DEFINE (M_PROCDESC, "procdesc", "process descriptors")
int	procdesc_find (struct thread *td, int fd, cap_rights_t *rightsp, struct proc **p)
pid_t	procdesc_pid (struct file *fp_procdesc)
int	kern_pdgetpid (struct thread *td, int fd, cap_rights_t *rightsp, pid_t *pidp)
int	sys_pdgetpid (struct thread *td, struct pdgetpid_args *uap)
void	procdesc_new (struct proc *p, int flags)
int	procdesc_falloc (struct thread *td, struct file **resultfp, int *resultfd, int flags, struct filecaps *fcaps)
void	procdesc_finit (struct procdesc *pdp, struct file *fp)
static void	procdesc_free (struct procdesc *pd)
int	procdesc_exit (struct proc *p)
void	procdesc_reap (struct proc *p)
static int	procdesc_close (struct file *fp, struct thread *td)
static int	procdesc_poll (struct file *fp, int events, struct ucred *active_cred, struct thread *td)
static void	procdesc_kqops_detach (struct knote *kn)
static int	procdesc_kqops_event (struct knote *kn, long hint)
static int	procdesc_kqfilter (struct file *fp, struct knote *kn)
static int	procdesc_stat (struct file *fp, struct stat *sb, struct ucred *active_cred)
static int	procdesc_fill_kinfo (struct file *fp, struct kinfo_file *kif, struct filedesc *fdp)

Variables
static fo_poll_t	procdesc_poll
static fo_kqfilter_t	procdesc_kqfilter
static fo_stat_t	procdesc_stat
static fo_close_t	procdesc_close
static fo_fill_kinfo_t	procdesc_fill_kinfo
static struct fileops	procdesc_ops
static struct filterops	procdesc_kqops

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

FEATURE()

FEATURE	(	process_descriptors	,
		"Process Descriptors"
	)

kern_pdgetpid()

int kern_pdgetpid	(	struct thread *	td,
		int	fd,
		cap_rights_t *	rightsp,
		pid_t *	pidp
	)

Definition at line 171 of file sys_procdesc.c.

References fd, fget(), and procdesc_pid().

Referenced by sys_pdgetpid().

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MALLOC_DEFINE()

MALLOC_DEFINE	(	M_PROCDESC	,
		"procdesc"	,
		"process descriptors"
	)

procdesc_close()

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

static

Definition at line 351 of file sys_procdesc.c.

References badfileops, kern_psignal(), proc_add_orphan(), proc_clear_orphan(), proc_reap(), proc_reparent(), procdesc_free(), and proctree_lock.

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procdesc_exit()

int procdesc_exit

(

struct proc *

p

)

Definition at line 287 of file sys_procdesc.c.

References procdesc_free(), proctree_lock, and selwakeup().

Referenced by exit1().

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procdesc_falloc()

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

Definition at line 237 of file sys_procdesc.c.

References falloc_caps(), and flags.

Referenced by fork1().

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procdesc_fill_kinfo()

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

static

Definition at line 550 of file sys_procdesc.c.

procdesc_find()

int procdesc_find	(	struct thread *	td,
		int	fd,
		cap_rights_t *	rightsp,
		struct proc **	p
	)

Definition at line 124 of file sys_procdesc.c.

References fd, fget(), and proctree_lock.

Referenced by sys_pdkill().

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procdesc_finit()

void procdesc_finit	(	struct procdesc *	pdp,
		struct file *	fp
	)

Definition at line 253 of file sys_procdesc.c.

References finit(), and procdesc_ops.

Referenced by do_fork().

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procdesc_free()

static void procdesc_free ( struct procdesc *  pd )

static

Definition at line 260 of file sys_procdesc.c.

References free(), and knlist_destroy().

Referenced by procdesc_close(), procdesc_exit(), and procdesc_reap().

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procdesc_kqfilter()

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

static

Definition at line 494 of file sys_procdesc.c.

References knlist_add(), and procdesc_kqops.

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procdesc_kqops_detach()

static void procdesc_kqops_detach ( struct knote *  kn )

static

Definition at line 444 of file sys_procdesc.c.

References knlist_remove().

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procdesc_kqops_event()

static int procdesc_kqops_event ( struct knote *  kn, long  hint  )

static

Definition at line 453 of file sys_procdesc.c.

procdesc_new()

void procdesc_new	(	struct proc *	p,
		int	flags
	)

Definition at line 212 of file sys_procdesc.c.

References flags, knlist_init_mtx(), and malloc().

Referenced by do_fork().

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procdesc_pid()

pid_t procdesc_pid

(

struct file *

fp_procdesc

)

Definition at line 156 of file sys_procdesc.c.

Referenced by kern_pdgetpid().

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procdesc_poll()

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

static

Definition at line 424 of file sys_procdesc.c.

References selrecord().

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procdesc_reap()

void procdesc_reap

(

struct proc *

p

)

Definition at line 331 of file sys_procdesc.c.

References procdesc_free(), and proctree_lock.

Referenced by proc_reap().

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procdesc_stat()

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

static

Definition at line 511 of file sys_procdesc.c.

References getboottime(), proctree_lock, and timevaladd().

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sys_pdgetpid()

int sys_pdgetpid	(	struct thread *	td,
		struct pdgetpid_args *	uap
	)

Definition at line 193 of file sys_procdesc.c.

References cap_pdgetpid_rights, and kern_pdgetpid().

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Variable Documentation

procdesc_close

fo_close_t procdesc_close

static

Definition at line 100 of file sys_procdesc.c.

procdesc_fill_kinfo

fo_fill_kinfo_t procdesc_fill_kinfo

static

Definition at line 101 of file sys_procdesc.c.

procdesc_kqfilter

fo_kqfilter_t procdesc_kqfilter

static

Definition at line 98 of file sys_procdesc.c.

procdesc_kqops

struct filterops procdesc_kqops

static

Initial value:

= {
        .f_isfd = 1,
        .f_detach = procdesc_kqops_detach,
        .f_event = procdesc_kqops_event,
}

Definition at line 487 of file sys_procdesc.c.

Referenced by procdesc_kqfilter().

procdesc_ops

struct fileops procdesc_ops

static

Initial value:

= {
        .fo_read = invfo_rdwr,
        .fo_write = invfo_rdwr,
        .fo_truncate = invfo_truncate,
        .fo_ioctl = invfo_ioctl,
        .fo_poll = procdesc_poll,
        .fo_kqfilter = procdesc_kqfilter,
        .fo_stat = procdesc_stat,
        .fo_close = procdesc_close,
        .fo_chmod = invfo_chmod,
        .fo_chown = invfo_chown,
        .fo_sendfile = invfo_sendfile,
        .fo_fill_kinfo = procdesc_fill_kinfo,
        .fo_flags = DFLAG_PASSABLE,
}

Definition at line 103 of file sys_procdesc.c.

Referenced by procdesc_finit().

procdesc_poll

fo_poll_t procdesc_poll

static

Definition at line 97 of file sys_procdesc.c.

procdesc_stat

fo_stat_t procdesc_stat

static

Definition at line 99 of file sys_procdesc.c.