Add a few more manpages from Chad.

Fold major.9, minor.9, umajor.9, and uminor.9 into a single device_ids.9.

share/man/man9/Makefile

@@ -35,17 +35,19 @@ MAN=	BUF_LOCK.9 BUF_LOCKFREE.9 BUF_LOCKINIT.9 BUF_REFCNT.9 \
 	device_enable.9 device_find_child.9 device_get_children.9 \
 	device_get_devclass.9 device_get_driver.9 device_get_ivars.9 \
 	device_get_softc.9 device_get_state.9 device_get_unit.9 \
+	device_ids.9 \
 	device_probe_and_attach.9 device_quiet.9 device_set_desc.9 \
 	device_set_flags.9 devstat.9 devsw.9 devtoname.9 driver.9 \
 	extattr.9 \
 	fetch.9 \
 	get_cyclecounter.9 \
+	groupmember.9 \
 	ifnet.9 inittodr.9 intro.9 ithread.9 \
 	kernacc.9 kobj.9 kthread.9 ktr.9 \
 	lockcount.9 lockdestroy.9 lockmgr.9 lockmgr_printinfo.9 \
 	lockstatus.9 \
-	major.9 make_dev.9 malloc.9 mbchain.9 mbuf.9 mdchain.9 \
+	make_dev.9 malloc.9 mbchain.9 mbuf.9 mdchain.9 \
-	mi_switch.9 microseq.9 microtime.9 microuptime.9 minor.9 \
+	mi_switch.9 microseq.9 microtime.9 microuptime.9 \
 	module.9 mutex.9 \
 	namei.9 \
 	panic.9 pfil.9 physio.9 posix4.9 printf.9 psignal.9 \
@@ -54,7 +56,7 @@ MAN=	BUF_LOCK.9 BUF_LOCKFREE.9 BUF_LOCKINIT.9 BUF_REFCNT.9 \
 	sbuf.9 scheduler.9 sleep.9 sleepqueue.9 spl.9 store.9 \
 	style.9 suser.9 swi.9 sx.9 sysctl_add_oid.9 sysctl_ctx_init.9 \
 	taskqueue.9 time.9 timeout.9 tvtohz.9 \
-	uio.9 umajor.9 uminor.9 \
+	ucred.9 uidinfo.9 uio.9 \
 	vcount.9 vfs_busy.9 vfs_mount.9 vfs_unbusy.9 vget.9 \
 	vinvalbuf.9 vn_isdisk.9 vnode.9 vput.9 vref.9 vrele.9 \
 	vslock.9 \
@@ -101,6 +103,8 @@ MLINKS+=condvar.9 cv_waitq_empty.9
 MLINKS+=condvar.9 cv_wmesg.9
 MLINKS+=copy.9 copyin.9 copy.9 copyinstr.9 copy.9 copyout.9 copy.9 copystr.9
 MLINKS+=critical_enter.9 critical_exit.9
+MLINKS+=device_ids.9 major.9 device_ids.9 minor.9
+MLINKS+=device_ids.9 umajor.9 device_ids.9 uminor.9
 MLINKS+=devstat.9 devicestat.9 devstat.9 devstat_add_entry.9 
 MLINKS+=devstat.9 devstat_remove_entry.9 devstat.9 devstat_start_transaction.9
 MLINKS+=devstat.9 devstat_end_transaction.9
@@ -156,6 +160,8 @@ MLINKS+=time.9 boottime.9 time.9 mono_time.9 time.9 runtime.9
 MLINKS+=timeout.9 untimeout.9
 MLINKS+=timeout.9 callout_handle_init.9 timeout.9 callout_init.9
 MLINKS+=timeout.9 callout_stop.9 timeout.9 callout_reset.9
+MLINKS+=uidinfo.9 uihashinit.9 uidinfo.9 uifind.9
+MLINKS+=uidinfo.9 uihold.9 uidinfo.9 uifree.9
 MLINKS+=uio.9 uiomove.9
 MLINKS+=vref.9 VREF.9
 MLINKS+=vslock.9 vsunlock.9
@@ -178,6 +184,8 @@ MLINKS+=BUS_SETUP_INTR.9 bus_setup_intr.9
 MLINKS+=BUS_SETUP_INTR.9 BUS_TEARDOWN_INTR.9
 MLINKS+=BUS_SETUP_INTR.9 bus_teardown_intr.9
 MLINKS+=bus_generic_read_ivar.9 bus_generic_write_ivar.9
+MLINKS+=ucred.9 crget.9 ucred.9 crhold.9 ucred.9 crfree.9
+MLINKS+=ucred.9 crcopy.9 ucred.9 crdup.9
 
 MLINKS+=mbchain.9 mb_init.9
 MLINKS+=mbchain.9 mb_initm.9

share/man/man9/device_ids.9

@@ -27,31 +27,49 @@
 .\" $FreeBSD$
 .\"
 .Dd July 9, 2001
-.Dt MINOR 9
+.Dt DEVICE_IDS 9
 .Os
 .Sh NAME
-.Nm minor
+.Nm device_ids ,
-.Nd "returns the minor number for the device"
+.Nm major ,
+.Nm minor ,
+.Nm umajor ,
+.Nm uminor
+.Nd "calculate device ids"
 .Sh SYNOPSIS
+.In sys/types.h
 .In sys/systm.h
 .Ft int
+.Fn major "dev_t dev"
+.Ft int
 .Fn minor "dev_t dev"
+.Ft int
+.Fn umajor "udev_t id"
+.Ft int
+.Fn uminor "udev_t id"
 .Sh DESCRIPTION
 The
-.Fn minor
+.Nm
-function returns the minor device number for the given device.
+family of functions take either the raw device ID,
+.Fa id ,
+or a pointer to the device structure,
+.Fa dev ,
+and return the integer
+value that is the major or minor device ID as requested.
 .Pp
-Its argument is:
+The actual major and minor device IDs are values masked from of the raw device ID.
-.Bl -tag -width ".Fa dev"
+For details on the actual calculations used to determine the major or minor IDs see
-.It Fa dev
+the actual source in
-The device whose minor device number should be returned.
+.Pa kern_conf.c .
-.El
 .Sh RETURN VALUES
-An integer greater than zero, or
+An integer greater than zero and less than
+.Dv NUMCDEVSW .
+.Fn major
+and
+.Fn minor
+will return
 .Dv NOUDEV
 if the device is invalid.
-.Sh SEE ALSO
-.Xr major 9
 .Sh AUTHORS
 This man page was written by
-.An Chad David .
+.An Chad David Aq davidc@acns.ab.ca .

share/man/man9/groupmember.9

@@ -27,33 +27,34 @@
 .\" $FreeBSD$
 .\"
 .Dd July 9, 2001
-.Dt MAJOR 9
+.Dt GROUPMEMBER 9
 .Os
 .Sh NAME
-.Nm major
+.Nm groupmember
-.Nd "returns the major number for the device"
+.Nd checks group set for a group ID
 .Sh SYNOPSIS
-.In sys/systm.h
+.In sys/param.h
+.In sys/ucred.h
 .Ft int
-.Fn major "dev_t dev"
+.Fn groupmember "gid_t gid" "struct ucred *cred"
 .Sh DESCRIPTION
 The
-.Fn major
+.Fn groupmember
-function returns the major device number for the given device.
+function checks to see if the given
+.Fa gid
+is in the group set of the credentials.
 .Pp
-Its argument is:
+Its arguments are:
-.Bl -tag -width ".Fa dev"
+.Bl -tag -width ".Fa cred"
-.It Fa dev
+.It Fa gid
-The device whose major device number should be returned.
+The group ID to check for.
+.It Fa cred
+The credentials to search for the group in.
 .El
 .Sh RETURN VALUES
-An integer greater than zero and less than
+If the
-.Dv NUMCDEVSW ,
+.Fa gid
-or
+is found, 1 is returned; otherwise, 0 is returned.
-.Dv NOUDEV
-if the device is invalid.
-.Sh SEE ALSO
-.Xr minor 9
 .Sh AUTHORS
 This man page was written by
-.An Chad David .
+.An Chad David Aq davidc@acns.ab.ca .

share/man/man9/ucred.9

@@ -27,32 +27,78 @@
 .\" $FreeBSD$
 .\"
 .Dd July 9, 2001
-.Dt UMINOR 9
+.Dt UCRED 9
 .Os
 .Sh NAME
-.Nm uminor
+.Nm ucred ,
-.Nd "returns the minor number from the raw device number"
+.Nm crget ,
+.Nm crhold ,
+.Nm crfree ,
+.Nm crcopy ,
+.Nm crdup
+.Nd "functions related to user credentials"
 .Sh SYNOPSIS
-.In sys/systm.h
+.In sys/param.h
-.Ft int
+.In sys/ucred.h
-.Fn uminor "udev_t dev"
+.Ft "struct ucred *"
+.Fn crget void
+.Ft void
+.Fn crhold "struct ucred *cr"
+.Ft void
+.Fn crfree "struct ucred *cr"
+.Ft "struct ucred *"
+.Fn crcopy "struct ucred *cr"
+.Ft "struct ucred *"
+.Fn crdup "struct ucred *cr"
 .Sh DESCRIPTION
 The
-.Fn uminor
+.Nm
-function returns the minor device number from the raw device number.
+family of functions is used to manage user credential structures
+.Pq Vt "struct ucred"
+within the kernel.
 .Pp
-Its argument is:
+The
-.Bl -tag -width ".Fa dev"
+.Fn crget
-.It Fa dev
+function allocates memory
-The raw device number from which the minor device number should be
+for a new structure, sets its reference count to 1, and
-calculated.
+initializes its lock.
-.El
+.Pp
+The
+.Fn crhold
+function increases the reference count on the credential.
+.Pp
+The
+.Fn crfree
+function decreases the reference count on the credential.
+If the count drops to 0, the storage for the structure is freed.
+.Pp
+The
+.Fn crcopy
+function calls
+.Fn crdup
+to create a new structure, and copies the old credentials,
+if the reference count is greater than 1;
+otherwise, the original is returned.
+.Pp
+The
+.Fn crdup
+function allocates memory for a new structure,
+copies the contents of the original structure
+into it, references the
+.Va cr_uidinfo
+and
+.Va cr_ruidinfo
+fields, sets the reference count
+to 1, and then returns the new structure.
 .Sh RETURN VALUES
-An integer greater than or equal to zero.
+The functions that return values all return a pointer to a
+.Vt ucred
+structure.
+In the case of
+.Fn crcopy ,
+the return value may be the same structure you passed to it.
 .Sh SEE ALSO
-.Xr major 9 ,
+.Xr uihold 9
-.Xr minor 9 ,
-.Xr umajor 9
 .Sh AUTHORS
 This man page was written by
-.An Chad David .
+.An Chad David Aq davidc@acns.ab.ca .

share/man/man9/uidinfo.9

@@ -26,33 +26,72 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd July 9, 2001
+.Dd July 10, 2001
-.Dt UMAJOR 9
+.Dt UIDINFO 9
 .Os
 .Sh NAME
-.Nm umajor
+.Nm uidinfo ,
-.Nd "returns the major number from the raw device number"
+.Nm uihashinit ,
+.Nm uifind ,
+.Nm uihold ,
+.Nm uifree
+.Nd "functions for managing UID information"
 .Sh SYNOPSIS
-.In sys/systm.h
+.In sys/param.h
-.Ft int
+.In sys/resourcevar.h
-.Fn umajor "udev_t dev"
+.Ft void
+.Fn uihashinit void
+.Ft "struct uidinfo *"
+.Fn uifind "uid_t uid"
+.Ft void
+.Fn uihold "struct uidinfo *uip"
+.Ft void
+.Fn uifree "struct uidinfo *uip"
 .Sh DESCRIPTION
 The
-.Fn umajor
+.Nm
-function returns the major device number form the given raw device
+family of functions
-number.
+is used to manage
+.Vt uidinfo
+structures.
+The
+.Vt uidinfo
+structure maintains the process count and socket buffer space usage
+for a given UID.
 .Pp
-Its argument is:
+The
-.Bl -tag -width ".Fa dev"
+.Fn uihashinit
-.It Fa dev
+function initializes the
-The device number whose major ID should be calculated and returned.
+.Vt uidinfo
-.El
+hash table.
+This function should only be called during system initialization.
+.Pp
+The
+.Fn uifind
+function looks up and returns the
+.Vt uidinfo
+structure for the
+.Fa uid .
+If the
+.Vt uidinfo
+is not found, a new structure is allocated.
+.Pp
+The
+.Fn uihold
+function increases the reference count on the
+.Vt uidinfo
+structure.
+.Pp
+The
+.Fn uifree
+function decreases the reference count on the
+.Vt uidinfo
+structure.
+If the count reaches 0, the storage for the structure is freed.
 .Sh RETURN VALUES
-An integer greater than or equal to zero.
+The functions that return values all return a pointer to a
-.Sh SEE ALSO
+.Vt uidinfo
-.Xr major 9 ,
+structure.
-.Xr minor 9 ,
-.Xr uminor 9
 .Sh AUTHORS
 This man page was written by
-.An Chad David .
+.An Chad David Aq davidc@acns.ab.ca .