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Alfred Perlstein 149004e99d Make SYSVSEM mpsafe. Each semaphore set gets its own lock, however
there is a global lock over the undo structures because of the way
they are managed.

Switch to using SLIST instead of rolling our own linked list.

Fix several races where a permission check was done before a
copyin/copyout, if the copy happened to fault it may have been
possible to race for access to a semaphore set that one shouldn't
have access to.

Requested by: rwatson
Tested by: NetBSD regression suite.
2002-08-13 08:47:17 +00:00
bin Claim conformance to 1003.2-1992 instead of 1003.1-2001 due to doubts 2002-08-12 12:34:03 +00:00
contrib Fix a bug where you couldn't start top in a very small window. Now 2002-08-11 18:37:25 +00:00
crypto Resolve conflicts. 2002-08-10 01:50:50 +00:00
etc o Test and change to the correct directory, /var/spool/.hoststat 2002-08-12 11:09:01 +00:00
games Fix typos (s/seperat/separat/ et al); add FreeBSD ID. 2002-08-12 10:04:32 +00:00
gnu Added Russian translation of the .Ex -std macro. 2002-08-07 17:47:24 +00:00
include Implement POSIX.1-2001 (XSI)'s ulimit(3). 2002-08-08 04:50:36 +00:00
kerberos5 Kerberos 5 no longer needs -lmd 2002-08-04 22:23:48 +00:00
kerberosIV Drop support for COPY, -c has been the default mode of install(1) 2002-07-29 09:40:17 +00:00
lib Handle the escaped colon \: in a capability. 2002-08-12 19:13:22 +00:00
libexec Fix typos; each file has at least one s/seperat/separat/ 2002-08-11 13:05:30 +00:00
release Add a Promise ATA133 chip to supported hardware list. 2002-08-12 18:38:26 +00:00
sbin Warn that hex keys are the most portable. 2002-08-12 06:59:04 +00:00
secure Update list of installed manual pages after regenerating them. 2002-07-30 14:47:24 +00:00
share Attach uvisor(4) to the build. 2002-08-13 01:39:36 +00:00
sys Make SYSVSEM mpsafe. Each semaphore set gets its own lock, however 2002-08-13 08:47:17 +00:00
tools Fix typos; each file has at least one s/seperat/separat/ 2002-08-11 13:05:30 +00:00
usr.bin A cooperative effort... 2002-08-13 08:23:49 +00:00
usr.sbin Ensure that origin field in the packing list structure is initialised. This 2002-08-12 16:15:25 +00:00
COPYRIGHT
MAINTAINERS Added groff(1) and natd(8) entries. 2002-07-18 12:12:15 +00:00
Makefile Indentation. 2002-07-20 10:01:00 +00:00
Makefile.inc1 The intent in rev. 1.299 was to make the CPUTYPE assignment type check 2002-08-08 15:43:23 +00:00
Makefile.upgrade Removed "env" commands. "sh" is a real shell, so 2002-03-19 05:58:36 +00:00
README Fix broken handbook links. 2002-07-21 16:45:30 +00:00
UPDATING Ignore -C, -p, and -S options of install(1) when used with the -d 2002-07-29 08:51:04 +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.

kerberosIV	KerberosIV (eBones) 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