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Date: Thu, 30 Oct 2008 09:46:45 -0500
From: Michael Kerrisk <mtk.manpages@...glemail.com>
To: lkml <linux-kernel@...r.kernel.org>
Subject: man-pages-3.12 is released
Gidday
I've released man-pages-3.12.
This release is now available for download at:
http://www.kernel.org/pub/linux/docs/man-pages
or ftp://ftp.kernel.org/pub/linux/docs/man-pages
The online changelog is available at
http://www.kernel.org/doc/man-pages/changelog.html
(blogged at
http://linux-man-pages.blogspot.com/2008/10/man-pages-312-is-released.html)
and the current version of the pages is browsable at
http://www.kernel.org/doc/man-pages/
An abridged version of the changes in this release that may be of
particular interest to readers of this list is provided below.
Cheers,
Michael
==================== Changes in man-pages-3.12 ====================
New and rewritten pages
-----------------------
pthread_attr_init.3
Michael Kerrisk
New page for pthread_attr_init(3) and pthread_attr_destroy(3)
pthread_attr_setdetachstate.3
Michael Kerrisk
New page for pthread_attr_setdetachstate(3) and
pthread_attr_getdetachstate(3)
pthread_attr_setguardsize.3
Michael Kerrisk
New page for pthread_attr_setguardsize(3) and
pthread_attr_getguardsize(3)
pthread_attr_setscope.3
Michael Kerrisk
New page for pthread_attr_setscope(3) and pthread_attr_getscope(3)
pthread_attr_setstack.3
Michael Kerrisk
New page for pthread_attr_setstack(3) and pthread_attr_getstack(3)
pthread_attr_setstackaddr.3
Michael Kerrisk
New page for pthread_attr_setstackaddr(3) and
pthread_attr_getstackaddr(3)
pthread_attr_setstacksize.3
Michael Kerrisk
New page for pthread_attr_setstacksize(3) and
pthread_attr_getstacksize(3)
pthread_create.3
Michael Kerrisk
New page describing pthread_create(3)
pthread_detach.3
Michael Kerrisk
New page for pthread_detach(3)
pthread_equal.3
Michael Kerrisk
New page for pthread_equal(3)
pthread_exit.3
Michael Kerrisk
New page describing pthread_exit(3)
pthread_getattr_np.3
Michael Kerrisk
New page for pthread_getattr_np(3)
pthread_join.3
Michael Kerrisk
New page for pthread_join(3)
pthread_self.3
Michael Kerrisk
New page for pthread_self(3)
pthread_tryjoin_np.3
Michael Kerrisk
New page for pthread_tryjoin_np(3) and pthread_timedjoin_np(3)
Newly documented interfaces in existing pages
---------------------------------------------
dup.2
Michael Kerrisk
Add description of dup3()
dup3() was added in kernel 2.6.27.
epoll_create.2
Michael Kerrisk
Add description of new epoll_create1()
The new epoll_create1() system call appeared in Linux 2.6.27.
eventfd.2
Michael Kerrisk
Describe eventfd2() and EFD_NONBLOCK and EFD_CLOEXEC
Linux 2.6.27 added eventfd(), which supports a flags argument
that eventfd() did not provide. The flags so far implemented
are EFD_NONBLOCK and EFD_CLOEXEC,
inotify_init.2
Michael Kerrisk
Add description of inotify_init1()
The inotify_init1() system call was added in Linux 2.6.27.
pipe.2
Michael Kerrisk
Add description of new pipe2() syscall
pipe2() was added in 2.6.27. Describe the O_NONBLOCK and
O_CLOEXEC flags.
signalfd.2
Michael Kerrisk
Describe signalfd4() and SFD_NONBLOCK and SFD_CLOEXEC
Linux 2.6.27 added signalfd4(), which supports a flags argument
that signalfd() did not provide. The flags so far implemented
are SFD_NONBLOCK and SFD_CLOEXEC.
Changes to individual pages
---------------------------
sched_yield.2
Michael Kerrisk
Rewrite description in terms of threads
The text formerly described the operation of sched_yield() in
terms of processes. It should be in terms of threads.
Michael Kerrisk
Add NOTES text on appropriate use of sched_yield()
Strategic calls to sched_yield() can be used to improve
performance, but unnecessary use should be avoided.
sigaction.2
Michael Kerrisk
Clarify that sa_mask affects the *per-thread* signal mask
The page didn't previously clearly explain the scope of the
signal mask that is affected by sa_mask.
sigprocmask.2
Michael Kerrisk
Clarify that sigprocmask() operates on a per-thread mask
The first sentence of the page was vague on the scope of the
attribute changed by sigprocmask(). Reword to make this
clearer and add a sentence in NOTES to explicitly state that
the signal mask is a per-thread attribute.
socket.2
Michael Kerrisk
Document SOCK_NONBLOCK and SOCK_CLOEXEC flags
These flags, specified in the 'type' argument, are supported
since Linux 2.6.27.
socketpair.2
Michael Kerrisk
Refer to socket(2) for SOCK_CLOEXEC and SOCK_NONBLOCK
Refer the reader to socket(2) for a description of the SOCK_CLOEXEC
and SOCK_NONBLOCK flags, which are supported by socketpair() since
Linux 2.6.27.
timerfd_create.2
Michael Kerrisk
Document timerfd_create() TFD_CLOEXEC and TFD_NONBLOCK
TFD_CLOEXEC and TFD_NONBLOCK are supported since LInux 2.6.27.
dlopen.3
Michael Kerrisk
LD_LIBRARY_PATH is inspected once, at program start-up
Make it clear that LD_LIBRARY_PATH is inspected *once*, at
program start-up. (Verified from source and by experiment.)
getaddrinfo.3
Michael Kerrisk
Clarify error descriptions with some examples
Clarify the description of some errors by giving examples
that produce the errors. (Text added for EAI_SERVICE and
EAI_SOCKTYPE.)
Also, add an error case for EAI_BADFLAGS.
tty_ioctl.4
Michael Kerrisk
Explain capability requirements for TIOCCONS
Explain capability requirements for TIOCCONS, and describe
changes in 2.6.10 relating to capabilities.
Michael Kerrisk
Explain capability requirements for various ioctls
For TIOCSLCKTRMIOS, TIOCSCTTY, TIOCEXCL, explain the exact
capability that is required (the text formerly just said "root"
in each case).
proc.5
Michael Kerrisk
Document /proc/sys/kernel/threads-max
Defines the system-wide limit on the number of threads (tasks).
utmp.5
Pierre Cazenave
It is just "other" who should not have write perms on utmp
The page was vague before, saying that utmp should not be
writable by any user. This isn't true: it can be, and
typically is, writable by user and group.
ld.so.8
Michael Kerrisk
Document LD_USE_LOAD_BIAS
Drawing heavily on Jakub Jelinek's description in
http://sources.redhat.com/ml/libc-hacker/2003-11/msg00127.html
(Subject: [PATCH] Support LD_USE_LOAD_BIAS)
--inhibit-rpath is ignored for setuid/setgid ld.so
The --inhibit-rpath option is ignored if ld.so is setuid/setgid
(not if the executable is setuid/setgid).
Michael Kerrisk
Since glibc 2.4, setuid/setgid programs ignore LD_ORIGIN_PATH
Michael Kerrisk
Fix description of LD_PROFILE and LD_PROFILE_OUTPUT
Clarify that LD_PROFILE is pathname or a soname,
and identify name of profiling output file.
Fix description of LD_PROFILE_OUTPUT, which wasn't even close to
the truth. (But why did it remain unfixed for so many years?)
Michael Kerrisk
Since glibc 2.3.4, setuid/setgid programs ignore LD_DYNAMIC_WEAK
Michael Kerrisk
Since version 2.3.5, setuid/setgid programs ignore LD_SHOW_AUXV
Michael Kerrisk
Reorder lists of LD_* environment variables alphabetically
Michael Kerrisk
Since glibc 2.3.4, setuid/setgid programs ignore LD_DEBUG
--
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
git://git.kernel.org/pub/scm/docs/man-pages/man-pages.git
man-pages online: http://www.kernel.org/doc/man-pages/online_pages.html
Found a bug? http://www.kernel.org/doc/man-pages/reporting_bugs.html
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