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Jeff Roberson 1c4bcd050a - Move rusage from being per-process in struct pstats to per-thread in
td_ru.  This removes the requirement for per-process synchronization in
   statclock() and mi_switch().  This was previously supported by
   sched_lock which is going away.  All modifications to rusage are now
   done in the context of the owning thread.  reads proceed without locks.
 - Aggregate exiting threads rusage in thread_exit() such that the exiting
   thread's rusage is not lost.
 - Provide a new routine, rufetch() to fetch an aggregate of all rusage
   structures from all threads in a process.  This routine must be used
   in any place requiring a rusage from a process prior to it's exit.  The
   exited process's rusage is still available via p_ru.
 - Aggregate tick statistics only on demand via rufetch() or when a thread
   exits.  Tick statistics are kept in the thread and protected by sched_lock
   until it exits.

Initial patch by:	attilio
Reviewed by:		attilio, bde (some objections), arch (mostly silent)
2007-06-01 01:12:45 +00:00
bin Fix probably copy&paste from chmod(1) - we change file flags here, not mode. 2007-05-28 04:23:09 +00:00
cddl Use provider's ident to handle situations when disks are moved around 2007-05-06 01:39:39 +00:00
compat/opensolaris Use provider's ident to handle situations when disks are moved around 2007-05-06 01:39:39 +00:00
contrib Disable shared libgcc use for profiled builds. GNU linker pulls symbols 2007-05-28 23:02:56 +00:00
crypto s/X11R6/local/g 2007-05-24 22:04:07 +00:00
etc Remove more vestiges of /usr/X11R6, but leave mtree for portmgr. 2007-05-29 06:37:58 +00:00
games Correct two small typos 2007-05-31 20:16:46 +00:00
gnu Install omp.h file. 2007-05-31 13:21:30 +00:00
include
kerberos5 Fix generator glue to only expose extern struct units %s_units[] is 2007-05-19 03:29:37 +00:00
lib Export quad symbols. They were previously commented out. These symbols 2007-05-31 13:07:37 +00:00
libexec Update the man page to reflect that certain variables will be unset in 2007-05-17 19:14:25 +00:00
release Fix the path to 7.0 online manual pages. 2007-05-29 16:33:24 +00:00
rescue
sbin The newfs_msdos utility does not store the boot signature in the 2007-05-31 20:06:46 +00:00
secure Integrate the Camellia Block Cipher. For more information see RFC 4132 2007-05-09 19:37:02 +00:00
share Changes to my local build lead to my confusion - revert the last change, but 2007-05-31 20:31:27 +00:00
sys - Move rusage from being per-process in struct pstats to per-thread in 2007-06-01 01:12:45 +00:00
tools Add sparc64 regression test files. 2007-05-24 07:00:53 +00:00
usr.bin bsdtar 2.2.3: 2007-05-29 05:39:10 +00:00
usr.sbin Discard backlog on GDB port when connected. 2007-05-31 04:55:05 +00:00
COPYRIGHT
LOCKS
MAINTAINERS Update the maintainer id for em driver. 2007-05-23 21:47:19 +00:00
Makefile Expose all of {check,delete}-old{,-dirs,-files,-libs}. 2007-05-16 08:46:35 +00:00
Makefile.inc1 lex(1) no longer installs headers into GCC-internal dirs 2007-05-26 20:17:19 +00:00
ObsoleteFiles.inc Remove the libmytinfo_p.a link as well. 2007-05-21 08:53:26 +00:00
README
UPDATING Sync ether_ioctl() with ioctl(2) and ifnet.if_ioctl 2007-05-29 12:40:45 +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 ``world''
target should only be used in cases where the source tree has not
changed from the currently running version.  See:
http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/makeworld.html
for more information, including setting make(1) variables.

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.

rescue		Build system for statically linked /rescue utilities.

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