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Michael Kerrisk 2015-05-07 09:03:47 +02:00
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@ -1,6 +1,6 @@
==================== Changes in man-pages-4.00 ====================
==================== Changes in man-pages-4.01 ====================
Released: 2015-05-07, Munich
Released: ????-??-??, Munich
Contributors
@ -10,61 +10,6 @@ The following people contributed patches/fixes or (noted in brackets
in the changelog below) reports, notes, and ideas that have been
incorporated in changes in this release:
Advait Dixi <advaitdixit@hotmail.com>
Alain Kalker <a.c.kalker@gmail.com>
Andi Kleen <andi@firstfloor.org>
Andreas Gruenbacher <agruenba@redhat.com>
Andreas Heiduk <asheiduk@googlemail.com>
Askar Safin <safinaskar@mail.ru>
Brice Goglin <Brice.Goglin@inria.fr>
Cameron Norman <camerontnorman@gmail.com>
Carlos O'Donell <carlos@redhat.com>
Chris Metcalf <cmetcalf@tilera.com>
Christophe Lohr <Christophe.Lohr@telecom-bretagne.eu>
Christopher Head <chead@chead.ca>
Christoph Hellwig <hch@infradead.org>
David Wilcox <davidvsthegiant@gmail.com>
Denis Du <denisdu@ruggedcom.com>
Egmont Koblinger <egmont@gmail.com>
Filipe Brandenburger <filbranden@gmail.com>
Filipus Klutiero <chealer@gmail.com>
Florian Weimer <fweimer@redhat.com>
Frédéric Maria <frederic.maria@free.fr>
Gleb Fotengauer-Malinovskiy <glebfm@altlinux.org>
Graham Shaw <gdshaw@riscpkg.org>
Gregor Jasny <igjasny@googlemail.com>
Guillem Jover <guillem@hadrons.org>
Guy Harris <guy@alum.mit.edu>
Heinrich Schuchardt <xypron.glpk@gmx.de>
Ian Pilcher <arequipeno@gmail.com>
Jann Horn <jann@thejh.net>
Jason Newton <nevion@gmail.com>
J. Bruce Fields <bfields@fieldses.org>
Jiri Pirko <jpirko@redhat.com>
Joachim Wuttke <j.wuttke@fz-juelich.de>
Joern Heissler <contact@joern.heissler.de>
Jonathan Nieder <jrnieder@gmail.com>
Joonas Salo <salo.joonas@gmail.com>
Jussi Lehtola <jussilehtola@fedoraproject.org>
Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Laurence Gonsalves <laurence@xenomachina.com>
Magnus REFTEL <magnus.xm.reftel@stericsson.com>
Michael Kerrisk <mtk.manpages@gmail.com>
NeilBrown <neilb@suse.de>
Regid Ichira <regid23@nt1.in>
Sam Varshavchik <mrsam@courier-mta.com>
Steinar H. Gunderson <sgunderson@bigfoot.com>
Stéphane Aulery <saulery@free.fr>
Stephane Fillod <fillods@users.sf.net>
Tetsuo Handa <from-linux-kernel@i-love.sakura.ne.jp>
Thomas Hood <jdthood@gmail.com>
Urs Thuermann <urs@isnogud.escape.de>
Vasiliy Kulikov <segooon@gmail.com>
Vegard Nossum <vegard.nossum@gmail.com>
Weijie Yang <weijie.yang@samsung.com>
William Woodruff <william@tuffbizz.com>
Zeng Linggang <zenglg.jy@cn.fujitsu.com>
Apologies if I missed anyone!
@ -72,591 +17,19 @@ Apologies if I missed anyone!
New and rewritten pages
-----------------------
get_phys_pages.3
William Woodruff
Document get_phys_pages() and get_avphys_pages()
loop.4
Urs Thuermann, Michael Kerrisk
New page documenting the loop device
xattr.7
Andreas Gruenbacher
Import attr(5) man page from the 'attr' project
After discussions with Andreas Gruenbacher, it makes sense to
move this page into man-pages, since it mostly relates to
kernel details. Since this is an overview page,
we'll move it to Section 7.
Michael Kerrisk
Rename page
"xattr" is a more meaningful name than "attr" (it resonates
with the names of the system calls), so as long as we are
moving the page to a new section, we'll change the name as well,
and retain an acl(5) link so that old references remain valid.
Newly documented interfaces in existing pages
---------------------------------------------
mmap.2
Michael Kerrisk [Andi Kleen]
Document MAP_HUGE_2MB, MAP_HUGE_1GB, and MAP_HUGE_SHIFT
shmget.2
Michael Kerrisk [Andi Kleen]
Document SHM_HUGE_2MB, SHM_HUGE_1GB, and SHM_HUGE_SHIFT
resolver.3
Michael Kerrisk [Jonathan Nieder]
Add descriptions of some other resolver functions
Add res_ninit(), res_nquery(), res_nsearch(),
and res_nquerydomain(), res_nmkquery(), res_nsend().
tty_ioctl.4
Frédéric Maria [Stephane Fillod, Andreas Heiduk]
Document TIOCMIWAIT and TIOCGICOUNT
Michael Kerrisk
Document TIOCGEXCL
Michael Kerrisk
Document TIOGCPKT
Michael Kerrisk
Document TIOCSPTLCK
Michael Kerrisk
Document TIOCGPTLCK
New and changed links
---------------------
CMSG_DATA.3
Michael Kerrisk
New link to cmsg(3)
CMSG_LEN.3
Michael Kerrisk
New link to cmsg(3)
dprintf.3
Michael Kerrisk
Convert to a link to printf.3
get_avphys_pages.3
William Woodruff
New link to new get_phys_pages.3 page
res_ninit.3
res_nmkquery.3
res_nquery.3
res_nquerydomain.3
res_nsearch.3
res_nsend.3
Michael Kerrisk
New links to resolver(3) man page
loop-control.4
Michael Kerrisk
New link to loop.4
attr.5
Michael Kerrisk
New link to xattr(7)
Global changes
--------------
chown.2
execve.2
prctl.2
truncate.2
proc.5
capabilities.7
ld.so.8
Michael Kerrisk
Tighter wording: 'mode bit' rather than 'permission bit'
For sticky, set-UID, and set-GID mode bits (as used in POSIX).
Changes to individual pages
---------------------------
add_key.2
keyctl.2
request_key.2
Michael Kerrisk
SEE ALSO: add keyrings(7)
add_key.2
request_key.2
Michael Kerrisk
SEE ALSO: add keyctl(3)
epoll_ctl.2
Michael Kerrisk
After EPOLLHUP, EOF will be seen only after all data has been consumed
epoll_wait.2
Michael Kerrisk
Clarify that signal mask treatment in epoll_pwait() is per-thread
s/sigprocmask()/pthread_sigmask()/
fcntl.2
Michael Kerrisk [Vegard Nossum]
Note an F_SETSIG corner case
get_mempolicy.2, set_mempolicy
Brice Goglin
Policy is per thread, not per process
getxattr.2
listxattr.2
removexattr.2
setxattr.2
capabilities.7
Michael Kerrisk
Adjust "attr(5)" references to "xattr(7)"
ioctl.2
Michael Kerrisk
SEE ALSO: add console_ioctl(2) and tty_ioctl(2)
listxattr.2
xattr.7
Michael Kerrisk
Describe listxattr(2) E2BIG error and document it as a BUG
mkdir.2
Michael Kerrisk
Wording fixes + point reader at stat(2) for explanation of file mode
Michael Kerrisk [Andreas Grünbacher]
Further tweaks to text on S_ISVTX and 'mode' argument
mknod.2
Michael Kerrisk
Rewordings + point reader at stat(2) for details of mode bits
mmap.2
Michael Kerrisk
Remove text that implies that munmap() syncs MAP_SHARED mapping to file
The existing text in this page:
MAP_SHARED Share this mapping. Updates to the mapping
are visible to other processes that map this
file, and are carried through to the underly‐
ing file. The file may not actually be
updated until msync(2) or munmap() is called.
implies that munmap() will sync the mapping to the underlying
file. POSIX doesn't require this, and some light reading of the
code and some light testing (fsync() after munmap() of a large
file) also indicates that Linux doesn't do this.
msync.2
Michael Kerrisk
Rework text of DESCRIPTION
Rewrite the text somewhat, for easier comprehension.
No (intentional) changes to factual content
nfsservctl.2
Michael Kerrisk [J. Bruce Fields]
Note that nfsservctl() was replaced by files in nfsd filesystem
open.2
Michael Kerrisk [Andreas Gruenbacher]
open() honors the S_ISVTX, S_ISUID, and S_ISGID bits in 'mode'
Michael Kerrisk
Tighten wording: use 'mode bit' rather than 'permission bit'
Michael Kerrisk [NeilBrown]
BUGS: O_CREAT | O_DIRECTORY succeeds if pathname does not exist
poll.2
Michael Kerrisk [Ian Pilcher]
Clarify that signal mask treatment in ppoll() is per-thread
s/sigprocmask()/pthread_sigmask()/
Michael Kerrisk [Sam Varshavchik]
After POLLHUP, EOF will be seen only after all data has been consumed
Michael Kerrisk
Make it clearer which bits are ignored in 'events'
prctl.2
Michael Kerrisk [David Wilcox, Filipe Brandenburger]
Note that "parent" for purposes of PR_SET_DEATHSIG is a *thread*
See https://bugzilla.kernel.org/show_bug.cgi?id=43300
sendfile.2
Michael Kerrisk [Jason Newton]
Note that sendfile does not support O_APPEND for 'out_fd'
See https://bugzilla.kernel.org/show_bug.cgi?id=82841
Michael Kerrisk [Gregor Jasny]
RETURN VALUE: note the possibility of "short sends"
See https://bugzilla.kernel.org/show_bug.cgi?id=97491
Michael Kerrisk [Askar Safin]
Clarify text on 'out_fd' and regular files in Linux 2.4
See https://bugzilla.kernel.org/show_bug.cgi?id=86001
shutdown.2
Michael Kerrisk [Stéphane Aulery]
BUGS: UNIX domain sockets now detect invalid 'how' values
Bug fixed in Linux 3.7.
See https://bugzilla.kernel.org/show_bug.cgi?id=47111
sigaction.2
Michael Kerrisk
Refer the reader to fcntl(2) F_SETSIG for further details on si_fd
stat.2
Jann Horn
Add note about stat() being racy
Andreas Gruenbacher
Improve description of some mode constants
Michael Kerrisk [Andreas Grünbacher]
Remove excessive leading zeros on some constants
Michael Kerrisk
Add text on POSIX terms "file mode bits" and "file permission bits"
Recent changes to various pages employ this distinction.
Michael Kerrisk
Tighten wording: use 'mode bit' rather than 'permission bit'
According to POSIX, the the 9 UGO*RWX bits are permissions, and
'mode' is used to refer to collectively to those bits plus sticky,
set-UID, and set_GID bits.
syslog.2
Michael Kerrisk
SEE ALSO: add dmesg(1)
umask.2
open.2
mknod.2
mkdir.2
Andreas Gruenbacher
Explain what default ACLs do
Explain the effect that default ACLs have (instead of the umask)
in umask.2. Mention that default ACLs can have an affect in
open.2, mknod.2, and mkdir.2.
unshare.2
Michael Kerrisk [Florian Weimer]
Give the reader a hint that unshare() works on processes or threads
See https://bugzilla.kernel.org/show_bug.cgi?id=59281
atexit.3
Zeng Linggang
ATTRIBUTES: Note function that is thread-safe
bsearch.3
Zeng Linggang
ATTRIBUTES: Note function that is thread-safe
cmsg.3
Michael Kerrisk [Christopher Head]
Fix error in SCM_RIGHTS code sample
Remove erroneous second initialization of msg.msg_controllen
in the example code for SCM_RIGHTS.
See https://bugzilla.kernel.org/show_bug.cgi?id=15952
CPU_SET.3
Chris Metcalf
Clarify language about "available" cpus
The CPU_SET.3 man page uses the adjective "available" when
explaining what the argument to CPU_SET() means. This is
confusing, since "available" isn't well-defined. The kernel
has a set of adjectives (possible, present, online, and active)
that qualify cpus, but normally none of these are what the
cpu_set_t bit index means: it's just "which cpu", using the
kernel's internal numbering system, even if that cpu isn't
possible or present.
This change removes the word "available" and adds a sentence
warning that cpu sets may not be contiguous due to dynamic
cpu hotplug, etc.
err.3
Zeng Linggang
ATTRIBUTES: Note functions that are thread-safe
ftw.3
Zeng Linggang
ATTRIBUTES: Note functions that are thread-safe
gethostbyname.3
Carlos O'Donell
NSS plugins searched first
Carlos O'Donell
"order" is obsolete
gethostid.3
Zeng Linggang
ATTRIBUTES: Note functions that are/aren't thread-safe
getmntent.3
Zeng Linggang
ATTRIBUTES: Note functions that are/aren't thread-safe
get_nprocs_conf.3
Michael Kerrisk
Use exit() rather than return in main()
getopt.3
Michael Kerrisk [Guy Harris]
Remove crufty BUGS section
See https://bugzilla.kernel.org/show_bug.cgi?id=90261
iconv_close.3
Zeng Linggang
ATTRIBUTES: Note function that is thread-safe
inet_ntop.3
Zeng Linggang
ATTRIBUTES: Note function that is thread-safe
longjmp.3
Zeng Linggang
ATTRIBUTES: Note functions that are thread-safe
lsearch.3
Zeng Linggang
ATTRIBUTES: Note functions that are thread-safe
mcheck.3
Zeng Linggang
ATTRIBUTES: Note functions that aren't thread-safe
on_exit.3
Zeng Linggang
ATTRIBUTES: Note function that is thread-safe
printf.3
Michael Kerrisk [Egmont Koblinger]
Merge dprintf() and vdprintf() discussion into this page
Michael Kerrisk
SEE ALSO: add puts(3)
Michael Kerrisk
Move return value discussion to proper RETURN VALUE section
putpwent.3
Zeng Linggang
ATTRIBUTES: Note function that is thread-safe
qsort.3
Zeng Linggang
ATTRIBUTES: Note functions that are thread-safe
regex.3
Michael Kerrisk [Laurence Gonsalves]
Fix error in description of 'cflags'
'cflags' is a bit mask of *zero* (not one) or more flags.
resolver.3
Stéphane Aulery
Add info about RES_INSECURE1 and RES_INSECURE2 option in debug mode
scanf.3
Joern Heissler
Improve description of %n specifier
setjmp.3
Zeng Linggang
ATTRIBUTES: Note functions that are thread-safe
setlocale.3
Zeng Linggang
ATTRIBUTES: Note function that isn't thread-safe
setlogmask.3
Zeng Linggang
ATTRIBUTES: Note function that isn't thread-safe
sleep.3
Zeng Linggang
ATTRIBUTES: Note function that isn't thread-safe
strsignal.3
Zeng Linggang
ATTRIBUTES: Note function that isn't thread-safe
sysconf.3
Zeng Linggang
ATTRIBUTES: Note function that is thread-safe
undocumented.3
William Woodruff
Remove documented functions
tty_ioctl.4
Michael Kerrisk [Denis Du]
Fix error in code example
proc.5
Michael Kerrisk [Cameron Norman, Vasiliy Kulikov]
Document /proc mount options
Document the 'hidepid' and 'gid' mount options that were added in
Linux 3.3. See https://bugzilla.kernel.org/show_bug.cgi?id=90641
Based on text by Vasiliy Kulikov in
Documentation/filesystems/proc.txt.
Michael Kerrisk [Kirill A. Shutemov]
Improve description of /proc/PID/status
Guillem Jover
Document /proc/PID/exe behaviour on unlinked pathnames
Michael Kerrisk [Weijie Yang]
Document /proc/PID/status VmPMD
resolv.conf.5
Stéphane Aulery [Thomas Hood]
Document use-vc option added to glibc 2.14
Fix Ubuntu bug #1110781:
https://bugs.launchpad.net/ubuntu/+source/manpages/+bug/1110781
Stéphane Aulery [Thomas Hood]
Document RES_SNGLKUPREOP
Fix Ubuntu bug #1110781:
https://bugs.launchpad.net/ubuntu/+source/manpages/+bug/1110781
tzfile.5
Sam Varshavchik
Add various details on version 2 format
aio.7
Michael Kerrisk
Add details and update URL for OLS 2003 paper on AIO
xattr.7
Michael Kerrisk
Document EA limits for Btrfs
Document VFS-imposed limits on EAs
VFS imposes a 255-byte limit on EA names, and a 64kB limit on
EA values.
Michael Kerrisk
The ext[234] block limitation applies to sum of all EAs
It is not a per-EA limit.
Michael Kerrisk
Clarify permissions required to work with 'user' EAs
Michael Kerrisk
ext2 and ext3 no longer need mounting with 'user_xattr' for user EAs
Michael Kerrisk
Add various relevant pages to SEE ALSO
Michael Kerrisk
Add CONFORMING TO section
Michael Kerrisk
Modify headings to man-pages norms
Michael Kerrisk
Btrfs also supports extended attributes
Michael Kerrisk
File capabilities are implemented using *security* attributes
Not *system* attributes
Michael Kerrisk
Describe limit on EA values for JFS, XFS, and Reiserfs
bootparam.7
Michael Kerrisk [Alain Kalker]
Update discussion of 'debug' option
See https://bugzilla.kernel.org/show_bug.cgi?id=97161
Michael Kerrisk
Summary of multiple changes: remove cruft from this page.
Much of the detail on hardware specifics in this page dates
from the 20th century. (The last major update to this page was in
man-pages-1.14!) It's hugely out of date now (many of these
devices disappeared from the kernel years ago.) So, I've taken
a large scythe to the page to remove anything that looks
seriously dated. In the process, the page has shrunk to less
than 50% of its previous size.
Michael Kerrisk
Remove "buff=" details
This seems to have gone away in Linux 2.2.
Michael Kerrisk
Remove crufty "Mouse drivers" options
Michael Kerrisk
Remove crufty "General non-device-specific boot arguments" options
Michael Kerrisk
Remove crufty "Hard disks" options
Michael Kerrisk
Remove crufty "mem=" details
Michael Kerrisk
Remove crufty details on IBM MCA bus devices
Michael Kerrisk
Remove 'swap=" details
This seems to have gone away in Linux 2.2,
Michael Kerrisk
Remove crufty floppy disk driver options
In the specific case of floppy drives: the drivers still
exist, but it's been a while since most of saw these devices
in the wild. So, just refer the reader to the kernel source
file for details. (The detail in this man page was after all
originally drawn from that file.)
Remove crufty "ISDN drivers" options
Michael Kerrisk
Remove crufty "line printer driver" options
Michael Kerrisk
Remove crufty "Serial port drivers" options
Michael Kerrisk
Remove crufty reference to CONFIG_BUGi386
That option disappeared in Linux 2.4.
Michael Kerrisk
Remove crufty text
"bootsetups array" dates from Linux 2.0.
Michael Kerrisk
Remove crufty "Video hardware" options
Michael Kerrisk
Remove crufty SCSI device driver options
fanotify.7
Michael Kerrisk [Heinrich Schuchardt]
Since Linux 3.19, fallocate(2) generates FAN_MODIFY events
inotify.7
Michael Kerrisk [Heinrich Schuchardt]
Since Linux 3.19, fallocate(2) generates IN_MODIFY events
ip.7
Michael Kerrisk
Explain how IP_ADD_MEMBERSHIP determines its argument type
Michael Kerrisk [Jiri Pirko, Magnus REFTEL]
Clarify details of the IP_MULTICAST_IF socket option
Michael Kerrisk [Advait Dixi]
Remove dubious text that says that SO_PRIORITY set IP TOS
See https://bugzilla.kernel.org/show_bug.cgi?id=35852
Michael Kerrisk
Relocate misplaced text describing ENOPROTOOPT error
packet.7
Graham Shaw
Add sll_protocol to list of required fields for outbound packets
pthreads.7
Michael Kerrisk [KOSAKI Motohiro]
Using thread IDs whose lifetime has expired gives undefined behavior
See https://bugzilla.kernel.org/show_bug.cgi?id=53061
raw.7
Michael Kerrisk [Tetsuo Handa]
For incoming datagrams, sin_port is set to zero
Michael Kerrisk
Mention sendto(), recvfrom(), and so on when discussing address format
This gives the reader a little context for the following
discussion of 'sin_port'.
Michael Kerrisk
Remove crufty reference to <netinet/in.h>
Michael Kerrisk
Replace reference to RFC 1700 with pointer to IANA protocol number list
signal.7
Michael Kerrisk [Steinar H. Gunderson]
Clarify that I/O operations on disks are not interrupted by signals
See https://bugzilla.kernel.org/show_bug.cgi?id=97721
unix.7
Michael Kerrisk [Christophe Lohr]
Remove mention of UNIX_PATH_MAX
This kernel constant is not exposed to user space.
Michael Kerrisk
Note the 108 bytes for sun_path is how things are done on Linux
And refer the reader to NOTES for discussion of portability.
xattr.7
Michael Kerrisk
Explicitly mention some of the xattr system calls in DESCRIPTION
Naming the system calls helps to orient the reader
nscd.8
Michael Kerrisk
Add mention of 'services' and 'netgroup' databases
This makes the page consistent with nscd.conf(5).

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@ -37853,3 +37853,667 @@ icmp.7
nptl.7
Michael Kerrisk
Add reference to timer_create(2)
==================== Changes in man-pages-4.00 ====================
Released: 2015-05-07, Munich
Contributors
------------
The following people contributed patches/fixes or (noted in brackets
in the changelog below) reports, notes, and ideas that have been
incorporated in changes in this release:
Advait Dixi <advaitdixit@hotmail.com>
Alain Kalker <a.c.kalker@gmail.com>
Andi Kleen <andi@firstfloor.org>
Andreas Gruenbacher <agruenba@redhat.com>
Andreas Heiduk <asheiduk@googlemail.com>
Askar Safin <safinaskar@mail.ru>
Brice Goglin <Brice.Goglin@inria.fr>
Cameron Norman <camerontnorman@gmail.com>
Carlos O'Donell <carlos@redhat.com>
Chris Metcalf <cmetcalf@tilera.com>
Christophe Lohr <Christophe.Lohr@telecom-bretagne.eu>
Christopher Head <chead@chead.ca>
Christoph Hellwig <hch@infradead.org>
David Wilcox <davidvsthegiant@gmail.com>
Denis Du <denisdu@ruggedcom.com>
Egmont Koblinger <egmont@gmail.com>
Filipe Brandenburger <filbranden@gmail.com>
Filipus Klutiero <chealer@gmail.com>
Florian Weimer <fweimer@redhat.com>
Frédéric Maria <frederic.maria@free.fr>
Gleb Fotengauer-Malinovskiy <glebfm@altlinux.org>
Graham Shaw <gdshaw@riscpkg.org>
Gregor Jasny <igjasny@googlemail.com>
Guillem Jover <guillem@hadrons.org>
Guy Harris <guy@alum.mit.edu>
Heinrich Schuchardt <xypron.glpk@gmx.de>
Ian Pilcher <arequipeno@gmail.com>
Jann Horn <jann@thejh.net>
Jason Newton <nevion@gmail.com>
J. Bruce Fields <bfields@fieldses.org>
Jiri Pirko <jpirko@redhat.com>
Joachim Wuttke <j.wuttke@fz-juelich.de>
Joern Heissler <contact@joern.heissler.de>
Jonathan Nieder <jrnieder@gmail.com>
Joonas Salo <salo.joonas@gmail.com>
Jussi Lehtola <jussilehtola@fedoraproject.org>
Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Laurence Gonsalves <laurence@xenomachina.com>
Magnus REFTEL <magnus.xm.reftel@stericsson.com>
Michael Kerrisk <mtk.manpages@gmail.com>
NeilBrown <neilb@suse.de>
Regid Ichira <regid23@nt1.in>
Sam Varshavchik <mrsam@courier-mta.com>
Steinar H. Gunderson <sgunderson@bigfoot.com>
Stéphane Aulery <saulery@free.fr>
Stephane Fillod <fillods@users.sf.net>
Tetsuo Handa <from-linux-kernel@i-love.sakura.ne.jp>
Thomas Hood <jdthood@gmail.com>
Urs Thuermann <urs@isnogud.escape.de>
Vasiliy Kulikov <segooon@gmail.com>
Vegard Nossum <vegard.nossum@gmail.com>
Weijie Yang <weijie.yang@samsung.com>
William Woodruff <william@tuffbizz.com>
Zeng Linggang <zenglg.jy@cn.fujitsu.com>
Apologies if I missed anyone!
New and rewritten pages
-----------------------
get_phys_pages.3
William Woodruff
Document get_phys_pages() and get_avphys_pages()
loop.4
Urs Thuermann, Michael Kerrisk
New page documenting the loop device
xattr.7
Andreas Gruenbacher
Import attr(5) man page from the 'attr' project
After discussions with Andreas Gruenbacher, it makes sense to
move this page into man-pages, since it mostly relates to
kernel details. Since this is an overview page,
we'll move it to Section 7.
Michael Kerrisk
Rename page
"xattr" is a more meaningful name than "attr" (it resonates
with the names of the system calls), so as long as we are
moving the page to a new section, we'll change the name as well,
and retain an acl(5) link so that old references remain valid.
Newly documented interfaces in existing pages
---------------------------------------------
mmap.2
Michael Kerrisk [Andi Kleen]
Document MAP_HUGE_2MB, MAP_HUGE_1GB, and MAP_HUGE_SHIFT
shmget.2
Michael Kerrisk [Andi Kleen]
Document SHM_HUGE_2MB, SHM_HUGE_1GB, and SHM_HUGE_SHIFT
resolver.3
Michael Kerrisk [Jonathan Nieder]
Add descriptions of some other resolver functions
Add res_ninit(), res_nquery(), res_nsearch(),
and res_nquerydomain(), res_nmkquery(), res_nsend().
tty_ioctl.4
Frédéric Maria [Stephane Fillod, Andreas Heiduk]
Document TIOCMIWAIT and TIOCGICOUNT
Michael Kerrisk
Document TIOCGEXCL
Michael Kerrisk
Document TIOGCPKT
Michael Kerrisk
Document TIOCSPTLCK
Michael Kerrisk
Document TIOCGPTLCK
New and changed links
---------------------
CMSG_DATA.3
Michael Kerrisk
New link to cmsg(3)
CMSG_LEN.3
Michael Kerrisk
New link to cmsg(3)
dprintf.3
Michael Kerrisk
Convert to a link to printf.3
get_avphys_pages.3
William Woodruff
New link to new get_phys_pages.3 page
res_ninit.3
res_nmkquery.3
res_nquery.3
res_nquerydomain.3
res_nsearch.3
res_nsend.3
Michael Kerrisk
New links to resolver(3) man page
loop-control.4
Michael Kerrisk
New link to loop.4
attr.5
Michael Kerrisk
New link to xattr(7)
Global changes
--------------
chown.2
execve.2
prctl.2
truncate.2
proc.5
capabilities.7
ld.so.8
Michael Kerrisk
Tighter wording: 'mode bit' rather than 'permission bit'
For sticky, set-UID, and set-GID mode bits (as used in POSIX).
Changes to individual pages
---------------------------
add_key.2
keyctl.2
request_key.2
Michael Kerrisk
SEE ALSO: add keyrings(7)
add_key.2
request_key.2
Michael Kerrisk
SEE ALSO: add keyctl(3)
epoll_ctl.2
Michael Kerrisk
After EPOLLHUP, EOF will be seen only after all data has been consumed
epoll_wait.2
Michael Kerrisk
Clarify that signal mask treatment in epoll_pwait() is per-thread
s/sigprocmask()/pthread_sigmask()/
fcntl.2
Michael Kerrisk [Vegard Nossum]
Note an F_SETSIG corner case
get_mempolicy.2, set_mempolicy
Brice Goglin
Policy is per thread, not per process
getxattr.2
listxattr.2
removexattr.2
setxattr.2
capabilities.7
Michael Kerrisk
Adjust "attr(5)" references to "xattr(7)"
ioctl.2
Michael Kerrisk
SEE ALSO: add console_ioctl(2) and tty_ioctl(2)
listxattr.2
xattr.7
Michael Kerrisk
Describe listxattr(2) E2BIG error and document it as a BUG
mkdir.2
Michael Kerrisk
Wording fixes + point reader at stat(2) for explanation of file mode
Michael Kerrisk [Andreas Grünbacher]
Further tweaks to text on S_ISVTX and 'mode' argument
mknod.2
Michael Kerrisk
Rewordings + point reader at stat(2) for details of mode bits
mmap.2
Michael Kerrisk
Remove text that implies that munmap() syncs MAP_SHARED mapping to file
The existing text in this page:
MAP_SHARED Share this mapping. Updates to the mapping
are visible to other processes that map this
file, and are carried through to the underly‐
ing file. The file may not actually be
updated until msync(2) or munmap() is called.
implies that munmap() will sync the mapping to the underlying
file. POSIX doesn't require this, and some light reading of the
code and some light testing (fsync() after munmap() of a large
file) also indicates that Linux doesn't do this.
msync.2
Michael Kerrisk
Rework text of DESCRIPTION
Rewrite the text somewhat, for easier comprehension.
No (intentional) changes to factual content
nfsservctl.2
Michael Kerrisk [J. Bruce Fields]
Note that nfsservctl() was replaced by files in nfsd filesystem
open.2
Michael Kerrisk [Andreas Gruenbacher]
open() honors the S_ISVTX, S_ISUID, and S_ISGID bits in 'mode'
Michael Kerrisk
Tighten wording: use 'mode bit' rather than 'permission bit'
Michael Kerrisk [NeilBrown]
BUGS: O_CREAT | O_DIRECTORY succeeds if pathname does not exist
poll.2
Michael Kerrisk [Ian Pilcher]
Clarify that signal mask treatment in ppoll() is per-thread
s/sigprocmask()/pthread_sigmask()/
Michael Kerrisk [Sam Varshavchik]
After POLLHUP, EOF will be seen only after all data has been consumed
Michael Kerrisk
Make it clearer which bits are ignored in 'events'
prctl.2
Michael Kerrisk [David Wilcox, Filipe Brandenburger]
Note that "parent" for purposes of PR_SET_DEATHSIG is a *thread*
See https://bugzilla.kernel.org/show_bug.cgi?id=43300
sendfile.2
Michael Kerrisk [Jason Newton]
Note that sendfile does not support O_APPEND for 'out_fd'
See https://bugzilla.kernel.org/show_bug.cgi?id=82841
Michael Kerrisk [Gregor Jasny]
RETURN VALUE: note the possibility of "short sends"
See https://bugzilla.kernel.org/show_bug.cgi?id=97491
Michael Kerrisk [Askar Safin]
Clarify text on 'out_fd' and regular files in Linux 2.4
See https://bugzilla.kernel.org/show_bug.cgi?id=86001
shutdown.2
Michael Kerrisk [Stéphane Aulery]
BUGS: UNIX domain sockets now detect invalid 'how' values
Bug fixed in Linux 3.7.
See https://bugzilla.kernel.org/show_bug.cgi?id=47111
sigaction.2
Michael Kerrisk
Refer the reader to fcntl(2) F_SETSIG for further details on si_fd
stat.2
Jann Horn
Add note about stat() being racy
Andreas Gruenbacher
Improve description of some mode constants
Michael Kerrisk [Andreas Grünbacher]
Remove excessive leading zeros on some constants
Michael Kerrisk
Add text on POSIX terms "file mode bits" and "file permission bits"
Recent changes to various pages employ this distinction.
Michael Kerrisk
Tighten wording: use 'mode bit' rather than 'permission bit'
According to POSIX, the the 9 UGO*RWX bits are permissions, and
'mode' is used to refer to collectively to those bits plus sticky,
set-UID, and set_GID bits.
syslog.2
Michael Kerrisk
SEE ALSO: add dmesg(1)
umask.2
open.2
mknod.2
mkdir.2
Andreas Gruenbacher
Explain what default ACLs do
Explain the effect that default ACLs have (instead of the umask)
in umask.2. Mention that default ACLs can have an affect in
open.2, mknod.2, and mkdir.2.
unshare.2
Michael Kerrisk [Florian Weimer]
Give the reader a hint that unshare() works on processes or threads
See https://bugzilla.kernel.org/show_bug.cgi?id=59281
atexit.3
Zeng Linggang
ATTRIBUTES: Note function that is thread-safe
bsearch.3
Zeng Linggang
ATTRIBUTES: Note function that is thread-safe
cmsg.3
Michael Kerrisk [Christopher Head]
Fix error in SCM_RIGHTS code sample
Remove erroneous second initialization of msg.msg_controllen
in the example code for SCM_RIGHTS.
See https://bugzilla.kernel.org/show_bug.cgi?id=15952
CPU_SET.3
Chris Metcalf
Clarify language about "available" cpus
The CPU_SET.3 man page uses the adjective "available" when
explaining what the argument to CPU_SET() means. This is
confusing, since "available" isn't well-defined. The kernel
has a set of adjectives (possible, present, online, and active)
that qualify cpus, but normally none of these are what the
cpu_set_t bit index means: it's just "which cpu", using the
kernel's internal numbering system, even if that cpu isn't
possible or present.
This change removes the word "available" and adds a sentence
warning that cpu sets may not be contiguous due to dynamic
cpu hotplug, etc.
err.3
Zeng Linggang
ATTRIBUTES: Note functions that are thread-safe
ftw.3
Zeng Linggang
ATTRIBUTES: Note functions that are thread-safe
gethostbyname.3
Carlos O'Donell
NSS plugins searched first
Carlos O'Donell
"order" is obsolete
gethostid.3
Zeng Linggang
ATTRIBUTES: Note functions that are/aren't thread-safe
getmntent.3
Zeng Linggang
ATTRIBUTES: Note functions that are/aren't thread-safe
get_nprocs_conf.3
Michael Kerrisk
Use exit() rather than return in main()
getopt.3
Michael Kerrisk [Guy Harris]
Remove crufty BUGS section
See https://bugzilla.kernel.org/show_bug.cgi?id=90261
iconv_close.3
Zeng Linggang
ATTRIBUTES: Note function that is thread-safe
inet_ntop.3
Zeng Linggang
ATTRIBUTES: Note function that is thread-safe
longjmp.3
Zeng Linggang
ATTRIBUTES: Note functions that are thread-safe
lsearch.3
Zeng Linggang
ATTRIBUTES: Note functions that are thread-safe
mcheck.3
Zeng Linggang
ATTRIBUTES: Note functions that aren't thread-safe
on_exit.3
Zeng Linggang
ATTRIBUTES: Note function that is thread-safe
printf.3
Michael Kerrisk [Egmont Koblinger]
Merge dprintf() and vdprintf() discussion into this page
Michael Kerrisk
SEE ALSO: add puts(3)
Michael Kerrisk
Move return value discussion to proper RETURN VALUE section
putpwent.3
Zeng Linggang
ATTRIBUTES: Note function that is thread-safe
qsort.3
Zeng Linggang
ATTRIBUTES: Note functions that are thread-safe
regex.3
Michael Kerrisk [Laurence Gonsalves]
Fix error in description of 'cflags'
'cflags' is a bit mask of *zero* (not one) or more flags.
resolver.3
Stéphane Aulery
Add info about RES_INSECURE1 and RES_INSECURE2 option in debug mode
scanf.3
Joern Heissler
Improve description of %n specifier
setjmp.3
Zeng Linggang
ATTRIBUTES: Note functions that are thread-safe
setlocale.3
Zeng Linggang
ATTRIBUTES: Note function that isn't thread-safe
setlogmask.3
Zeng Linggang
ATTRIBUTES: Note function that isn't thread-safe
sleep.3
Zeng Linggang
ATTRIBUTES: Note function that isn't thread-safe
strsignal.3
Zeng Linggang
ATTRIBUTES: Note function that isn't thread-safe
sysconf.3
Zeng Linggang
ATTRIBUTES: Note function that is thread-safe
undocumented.3
William Woodruff
Remove documented functions
tty_ioctl.4
Michael Kerrisk [Denis Du]
Fix error in code example
proc.5
Michael Kerrisk [Cameron Norman, Vasiliy Kulikov]
Document /proc mount options
Document the 'hidepid' and 'gid' mount options that were added in
Linux 3.3. See https://bugzilla.kernel.org/show_bug.cgi?id=90641
Based on text by Vasiliy Kulikov in
Documentation/filesystems/proc.txt.
Michael Kerrisk [Kirill A. Shutemov]
Improve description of /proc/PID/status
Guillem Jover
Document /proc/PID/exe behaviour on unlinked pathnames
Michael Kerrisk [Weijie Yang]
Document /proc/PID/status VmPMD
resolv.conf.5
Stéphane Aulery [Thomas Hood]
Document use-vc option added to glibc 2.14
Fix Ubuntu bug #1110781:
https://bugs.launchpad.net/ubuntu/+source/manpages/+bug/1110781
Stéphane Aulery [Thomas Hood]
Document RES_SNGLKUPREOP
Fix Ubuntu bug #1110781:
https://bugs.launchpad.net/ubuntu/+source/manpages/+bug/1110781
tzfile.5
Sam Varshavchik
Add various details on version 2 format
aio.7
Michael Kerrisk
Add details and update URL for OLS 2003 paper on AIO
xattr.7
Michael Kerrisk
Document EA limits for Btrfs
Document VFS-imposed limits on EAs
VFS imposes a 255-byte limit on EA names, and a 64kB limit on
EA values.
Michael Kerrisk
The ext[234] block limitation applies to sum of all EAs
It is not a per-EA limit.
Michael Kerrisk
Clarify permissions required to work with 'user' EAs
Michael Kerrisk
ext2 and ext3 no longer need mounting with 'user_xattr' for user EAs
Michael Kerrisk
Add various relevant pages to SEE ALSO
Michael Kerrisk
Add CONFORMING TO section
Michael Kerrisk
Modify headings to man-pages norms
Michael Kerrisk
Btrfs also supports extended attributes
Michael Kerrisk
File capabilities are implemented using *security* attributes
Not *system* attributes
Michael Kerrisk
Describe limit on EA values for JFS, XFS, and Reiserfs
bootparam.7
Michael Kerrisk [Alain Kalker]
Update discussion of 'debug' option
See https://bugzilla.kernel.org/show_bug.cgi?id=97161
Michael Kerrisk
Summary of multiple changes: remove cruft from this page.
Much of the detail on hardware specifics in this page dates
from the 20th century. (The last major update to this page was in
man-pages-1.14!) It's hugely out of date now (many of these
devices disappeared from the kernel years ago.) So, I've taken
a large scythe to the page to remove anything that looks
seriously dated. In the process, the page has shrunk to less
than 50% of its previous size.
Michael Kerrisk
Remove "buff=" details
This seems to have gone away in Linux 2.2.
Michael Kerrisk
Remove crufty "Mouse drivers" options
Michael Kerrisk
Remove crufty "General non-device-specific boot arguments" options
Michael Kerrisk
Remove crufty "Hard disks" options
Michael Kerrisk
Remove crufty "mem=" details
Michael Kerrisk
Remove crufty details on IBM MCA bus devices
Michael Kerrisk
Remove 'swap=" details
This seems to have gone away in Linux 2.2,
Michael Kerrisk
Remove crufty floppy disk driver options
In the specific case of floppy drives: the drivers still
exist, but it's been a while since most of saw these devices
in the wild. So, just refer the reader to the kernel source
file for details. (The detail in this man page was after all
originally drawn from that file.)
Remove crufty "ISDN drivers" options
Michael Kerrisk
Remove crufty "line printer driver" options
Michael Kerrisk
Remove crufty "Serial port drivers" options
Michael Kerrisk
Remove crufty reference to CONFIG_BUGi386
That option disappeared in Linux 2.4.
Michael Kerrisk
Remove crufty text
"bootsetups array" dates from Linux 2.0.
Michael Kerrisk
Remove crufty "Video hardware" options
Michael Kerrisk
Remove crufty SCSI device driver options
fanotify.7
Michael Kerrisk [Heinrich Schuchardt]
Since Linux 3.19, fallocate(2) generates FAN_MODIFY events
inotify.7
Michael Kerrisk [Heinrich Schuchardt]
Since Linux 3.19, fallocate(2) generates IN_MODIFY events
ip.7
Michael Kerrisk
Explain how IP_ADD_MEMBERSHIP determines its argument type
Michael Kerrisk [Jiri Pirko, Magnus REFTEL]
Clarify details of the IP_MULTICAST_IF socket option
Michael Kerrisk [Advait Dixi]
Remove dubious text that says that SO_PRIORITY set IP TOS
See https://bugzilla.kernel.org/show_bug.cgi?id=35852
Michael Kerrisk
Relocate misplaced text describing ENOPROTOOPT error
packet.7
Graham Shaw
Add sll_protocol to list of required fields for outbound packets
pthreads.7
Michael Kerrisk [KOSAKI Motohiro]
Using thread IDs whose lifetime has expired gives undefined behavior
See https://bugzilla.kernel.org/show_bug.cgi?id=53061
raw.7
Michael Kerrisk [Tetsuo Handa]
For incoming datagrams, sin_port is set to zero
Michael Kerrisk
Mention sendto(), recvfrom(), and so on when discussing address format
This gives the reader a little context for the following
discussion of 'sin_port'.
Michael Kerrisk
Remove crufty reference to <netinet/in.h>
Michael Kerrisk
Replace reference to RFC 1700 with pointer to IANA protocol number list
signal.7
Michael Kerrisk [Steinar H. Gunderson]
Clarify that I/O operations on disks are not interrupted by signals
See https://bugzilla.kernel.org/show_bug.cgi?id=97721
unix.7
Michael Kerrisk [Christophe Lohr]
Remove mention of UNIX_PATH_MAX
This kernel constant is not exposed to user space.
Michael Kerrisk
Note the 108 bytes for sun_path is how things are done on Linux
And refer the reader to NOTES for discussion of portability.
xattr.7
Michael Kerrisk
Explicitly mention some of the xattr system calls in DESCRIPTION
Naming the system calls helps to orient the reader
nscd.8
Michael Kerrisk
Add mention of 'services' and 'netgroup' databases
This makes the page consistent with nscd.conf(5).