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rwatson 109543a3e5 Add O_NONBLOCK to the vn_open_cred() flags for NFS client locking when
opening the POSIX fifo; convert ENXIO error returns to EOPNOTSUPP.

This improves handling of the case where the /var/run/lock fifo exists
but there is no listener: we immediately return EOPNOTSUPP rather
than blocking until a listener turns up.  This could occur during a
diskless boot before rpc.lockd is loaded, or if the lock file persists
across a reboot following the disabling of rpc.lockd.  This may have
suddenly started to occur due to fifo blocking fixes--previously it
looks like attempts to read on a fifo with no listener would time out
due to insufficient resources.

Reviewed by:	alfred
2003-03-26 19:21:34 +00:00
bin Document how to clear flags with negative-logic, currently only 2003-03-24 20:15:58 +00:00
contrib This commit was generated by cvs2svn to compensate for changes in r112680, 2003-03-26 18:12:01 +00:00
crypto Merge conflicts 2003-03-20 20:56:03 +00:00
etc Update the handbook printing section URL so that it points to the 2003-03-25 18:03:11 +00:00
games Add a new chance at getting offended, having removed so many. 2003-03-24 18:59:00 +00:00
gnu Document the MAIL_AGENT environment var. 2003-03-26 01:45:20 +00:00
include MFp4: Implementations of the wcstof() and wcstold() functions. 2003-03-13 06:29:53 +00:00
kerberos5 Post KerberosIV de-orbit: Clean up Kerberos5. We dont need KerberosIV 2003-03-09 21:56:55 +00:00
lib - Define a _spinunlock() function so that threading implementations may do 2003-03-26 04:02:24 +00:00
libexec Update the description of the -u option to mention that IP_PORTRANGE_HIGH 2003-03-25 22:20:02 +00:00
release Whitespace: wrap paragraph before column 80 (no content changes). 2003-03-25 20:21:20 +00:00
sbin - Fix function declarations. 2003-03-26 05:49:42 +00:00
secure The .Nm utility 2003-03-24 16:09:07 +00:00
share Fix typo in the version of the diff that I committed. 2003-03-26 17:32:45 +00:00
sys Add O_NONBLOCK to the vn_open_cred() flags for NFS client locking when 2003-03-26 19:21:34 +00:00
tools add missing %u to show mcr1full count 2003-03-24 17:36:50 +00:00
usr.bin Explain the format of the at.allow and at.deny files in detail. 2003-03-26 02:38:18 +00:00
usr.sbin tightened check for the length of ND options. 2003-03-26 17:28:47 +00:00
COPYRIGHT Update to add the July 22, 1999 addendum. 1999-09-05 21:33:47 +00:00
MAINTAINERS Nuke xargs, I haven't had to help anyone with it, so I assume it stands on 2003-02-18 00:07:06 +00:00
Makefile Don't make buildworld and buildkernel in parallel. 2003-02-27 13:11:33 +00:00
Makefile.inc1 Convert kgzip(8) to be an i386 cross-tool. This is needed for 2003-03-11 11:45:43 +00:00
Makefile.upgrade Removed "env" commands. "sh" is a real shell, so 2002-03-19 05:58:36 +00:00
README KerberosIV de-orbit burn continues. Disconnect from "make world". 2003-03-08 10:01:26 +00:00
UPDATING Acutally document how to make a LINT kernel config, besides telling all it 2003-02-13 17:55:12 +00:00

This is the top level of the FreeBSD source directory.  This file
was last revised on:
$FreeBSD$

For copyright information, please see the file COPYRIGHT in this
directory (additional copyright information also exists for some
sources in this tree - please see the specific source directories for
more information).

The Makefile in this directory supports a number of targets for
building components (or all) of the FreeBSD source tree, the most
commonly used one being ``world'', which rebuilds and installs
everything in the FreeBSD system from the source tree except the
kernel, the kernel-modules and the contents of /etc.  The
``buildkernel'' and ``installkernel'' targets build and install
the kernel and the modules (see below).  Please see the top of
the Makefile in this directory for more information on the
standard build targets and compile-time flags.

Building a kernel is a somewhat more involved process, documentation
for which can be found at:
   http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig.html
And in the config(8) man page.
Note: If you want to build and install the kernel with the
``buildkernel'' and ``installkernel'' targets, you might need to build
world before.  More information is available in the handbook.

The sample kernel configuration files reside in the sys/<arch>/conf
sub-directory (assuming that you've installed the kernel sources), the
file named GENERIC being the one used to build your initial installation
kernel.  The file NOTES contains entries and documentation for all possible
devices, not just those commonly used.  It is the successor of the ancient
LINT file, but in contrast to LINT, it is not buildable as a kernel but a
pure reference and documentation file.


Source Roadmap:
---------------
bin		System/user commands.

contrib		Packages contributed by 3rd parties.

crypto		Cryptography stuff (see crypto/README).

etc		Template files for /etc.

games		Amusements.

gnu		Various commands and libraries under the GNU Public License.
		Please see gnu/COPYING* for more information.

include		System include files.

kerberos5	Kerberos5 (Heimdal) package.

lib		System libraries.

libexec		System daemons.

release		Release building Makefile & associated tools.

sbin		System commands.

secure		Cryptographic libraries and commands.

share		Shared resources.

sys		Kernel sources.

tools		Utilities for regression testing and miscellaneous tasks.

usr.bin		User commands.

usr.sbin	System administration commands.


For information on synchronizing your source tree with one or more of
the FreeBSD Project's development branches, please see:

  http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/synching.html