freebsd with flexible iflib nic queues
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John Baldwin e7573e7ad7 Allow threads to atomically release rw and sx locks while waiting for an
event.  Locking primitives that support this (mtx, rw, and sx) now each
include their own foo_sleep() routine.
- Rename msleep() to _sleep() and change it's 'struct mtx' object to a
  'struct lock_object' pointer.  _sleep() uses the recently added
  lc_unlock() and lc_lock() function pointers for the lock class of the
  specified lock to release the lock while the thread is suspended.
- Add wrappers around _sleep() for mutexes (mtx_sleep()), rw locks
  (rw_sleep()), and sx locks (sx_sleep()).  msleep() still exists and
  is now identical to mtx_sleep(), but it is deprecated.
- Rename SLEEPQ_MSLEEP to SLEEPQ_SLEEP.
- Rewrite much of sleep.9 to not be msleep(9) centric.
- Flesh out the 'RETURN VALUES' section in sleep.9 and add an 'ERRORS'
  section.
- Add __nonnull(1) to _sleep() and msleep_spin() so that the compiler will
  warn if you try to pass a NULL wait channel.  The functions already have
  a KASSERT to that effect.
2007-03-09 22:41:01 +00:00
bin Fix a bug where the mutual exclusivity of the -l and -t options is not 2007-03-08 06:10:17 +00:00
contrib Add three new ioctl(2) commands for bpf(4). 2007-02-26 22:24:14 +00:00
crypto Resolve conflicts. 2006-11-10 16:52:41 +00:00
etc As suggested more than once in the lists, drop -M from flags to mfs 2007-03-06 13:13:53 +00:00
games Add Wise Words from Colin on irregular verbs and code quality. :-) 2007-01-11 15:19:53 +00:00
gnu Unbreak the kgdb stepping over the special frames on i386 after rev. 1.117 of 2007-03-01 13:56:08 +00:00
include Update the dump program to save extended attributes. Update 2007-02-26 08:15:56 +00:00
kerberos5 Kerberos/Heimdal doesn't really depend on the INET6 macro. 2006-07-28 06:33:27 +00:00
lib Wordsmithery. 2007-03-09 19:43:42 +00:00
libexec Let automatic TCP send buffer sizing do its job for ftpd(8): stop 2007-02-09 17:18:39 +00:00
release s/filesystem/file system/ in six places for consistency. 2007-03-09 20:16:49 +00:00
rescue Replace the GNU gzip with a slightly modified NetBSD gzip. The 2007-01-26 10:19:08 +00:00
sbin Don't leave a NULL value in mdsuffix when a particular md 2007-03-07 07:45:38 +00:00
secure Fix static compilation. 2006-10-07 17:32:05 +00:00
share Allow threads to atomically release rw and sx locks while waiting for an 2007-03-09 22:41:01 +00:00
sys Allow threads to atomically release rw and sx locks while waiting for an 2007-03-09 22:41:01 +00:00
tools Add -A to specify local address for bind(). 2007-03-08 14:37:00 +00:00
usr.bin Sort (once again) by month/day/year/login. 2007-03-09 20:31:46 +00:00
usr.sbin ! is a generic info message 2007-03-09 16:29:15 +00:00
COPYRIGHT Welcome to 2007 2006-12-31 16:35:29 +00:00
LOCKS Document commit constraints for RELENG_6_*. 2006-01-13 06:51:43 +00:00
MAINTAINERS Request pre-commit review of BSD.{local,x11*}.dist by portmgr, since these 2006-11-11 22:24:10 +00:00
Makefile Add arm to universe. 2006-11-28 01:03:29 +00:00
Makefile.inc1 Enable ncurses wide character support 2007-03-09 12:11:58 +00:00
ObsoleteFiles.inc Mark addr2ascii() man page as obsolete. 2007-03-01 10:53:55 +00:00
README Simply running ``make world'' will bomb unless you dig up the 2006-06-07 03:33:48 +00:00
UPDATING - Add missing subdirectories in BSD.usr.dist mtree file. 2007-03-02 14:56:15 +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