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Ryan Libby 3e5e9939cd ddb: enable the use of ^C and ^S/^Q 
This lets one interrupt DDB's output, which is useful if paging is
disabled and the output device is slow.

This follows a previous implementation in svn r311952 / git
5fddef7999 which was reverted because it
broke DDB type-ahead.

Now, try this again, but with a 512-byte type-ahead buffer.  While there
is buffer space, control input is handled and non-control input is
buffered.  When the buffer is exhausted, the default is to print a
warning and drop further non-control input in order to continue handling
control input.  sysctl debug.ddb.prioritize_control_input can be set to
0 to instead preserve all input but lose immediate handling of control
input.  This could for example effect pasting of a large script into the
ddb console.

Suggested by:	Anton Rang <rang@acm.org>
Reviewed by:	markj
Discussed with:	imp
Sponsored by:	Dell EMC Isilon
Differential Revision:	https://reviews.freebsd.org/D28676
2021-03-14 16:04:27 -07:00
.github/workflows Update vendor/openzfs to master-9305ff2ed 2021-03-13 18:30:04 +01:00
bin bin/pkill: Fix {pgrep,pkill}-j_test.sh 2021-02-13 13:53:51 +00:00
cddl openzfs: attach pam_zfs_key to build 2021-03-02 07:26:59 -05:00
contrib Merge tcsh 6.22.03-ceccc7f 2021-03-14 19:33:13 +03:00
crypto openssh: document two changes that are now upstream 2021-02-22 14:03:28 -05:00
etc Restore /boot/efi to mtree. 2021-03-05 21:01:11 -05:00
gnu dialog: fix macro redefinition 2021-03-01 16:01:44 +01:00
include Update vendor/openzfs to master-9305ff2ed 2021-03-13 18:30:04 +01:00
kerberos5 kerberos5: fix the WITH_OPENLDAP build 2021-01-30 00:07:50 -06:00
lib Update vendor/openzfs to master-9305ff2ed 2021-03-13 18:30:04 +01:00
libexec Fix post-start check when unbound.conf has moved. 2021-03-10 15:53:25 +00:00
release release: Move the vagrant.vmx config out to its own file to match vbox 2021-03-12 09:44:42 -07:00
rescue ping: add a ping6 hard link for backwards compatibility 2020-11-26 18:33:04 +00:00
sbin Do not complain about incorrect cylinder group check-hashes when 2021-03-11 22:46:15 -08:00
secure OpenSSL: Regen manual page for the previous commit 2021-02-17 18:19:13 -05:00
share ddb: enable the use of ^C and ^S/^Q 2021-03-14 16:04:27 -07:00
stand Fix some common typos in comments 2021-03-13 18:26:15 +01:00
sys ddb: enable the use of ^C and ^S/^Q 2021-03-14 16:04:27 -07:00
targets ndis(4): remove as previous announced 2021-01-25 21:45:03 +00:00
tests Import 6.22.03-ceccc7f 2021-03-14 19:28:29 +03:00
tools Fix some common typos in comments 2021-03-13 18:26:15 +01:00
usr.bin ls(1): Refine the HISTORY within the manual page. 2021-03-13 19:28:26 +01:00
usr.sbin autofs: best effort to maintain mounttab and mountdtab 2021-03-12 06:41:55 -09:00
.arcconfig arcconfig: add callsign again 2020-11-23 04:39:29 +00:00
.arclint arc lint: ignore /tests/ in chmod 2017-12-19 03:38:06 +00:00
.cirrus.yml Cirrus-CI: Add more information to help track down disk full issues 2021-03-03 11:51:08 -05:00
.clang-format clang-format: Avoid breaking after the opening paren of function definitions 2020-10-28 11:54:00 +00:00
.gitattributes Add a basic clang-format configuration file 2019-06-07 15:23:52 +00:00
.gitignore gitignore: expand list of ignored files 2021-01-14 17:03:57 +01:00
COPYRIGHT copyrights: Happy New Year 2021 2020-12-31 10:29:44 -05:00
LOCKS LOCKS: update current locks 2018-06-09 03:08:04 +00:00
MAINTAINERS Add a pointer to csprng@ for the CSPRNG driver. This is enforced anyway by 2020-09-01 08:02:12 +00:00
Makefile Fix 'make bmake' top-level bootstrapping. 2021-03-06 09:45:08 -08:00
Makefile.inc1 Makefile.inc1 "Avoid duplicate script for target" warning 2021-03-01 13:22:15 +00:00
Makefile.libcompat libcompat: remove redundant path for ncurses 2021-01-07 15:14:52 +01:00
Makefile.sys.inc AUTO_OBJ: For all top-level targets enforce using an OBJDIR. 2017-12-05 21:29:47 +00:00
ObsoleteFiles.inc Add ObsoleteFiles.inc entries for various OCF headers removed in 13. 2021-03-08 11:17:21 -08:00
README.md Import 6.22.03-ceccc7f 2021-03-14 19:28:29 +03:00
RELNOTES Bump CURRENT to 14.0 2021-01-21 19:10:07 -05:00
UPDATING Add UPDATING entry for PIE default 2021-02-25 11:02:09 -05:00

README.md

FreeBSD Source:

This is the top level of the FreeBSD source directory.

FreeBSD is an operating system used to power modern servers, desktops, and embedded platforms. A large community has continually developed it for more than thirty years. Its advanced networking, security, and storage features have made FreeBSD the platform of choice for many of the busiest web sites and most pervasive embedded networking and storage devices.

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. See build(7), config(8), FreeBSD handbook on building userland, and Handbook for kernels for more information, including setting make(1) variables.

Source Roadmap:

Directory Description
bin System/user commands.
cddl Various commands and libraries under the Common Development and Distribution License.
contrib Packages contributed by 3rd parties.
crypto Cryptography stuff (see crypto/README).
etc Template files for /etc.
gnu Various commands and libraries under the GNU Public License. Please see gnu/COPYING and gnu/COPYING.LIB 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.
stand Boot loader sources.
sys Kernel sources.
sys/arch/conf Kernel configuration files. GENERIC is the configuration used in release builds. NOTES contains documentation of all possible entries.
tests Regression tests which can be run by Kyua. See tests/README for additional information.
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 FreeBSD Handbook.