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Kyle Evans dabf006a63 Add per-process flag to disable logsigexit
I added a third value for kern.logsigexit to mean 'auto' as an abundance
of caution, but I don't know how much it matters -- that can be easily
consolidated back to boolean-ish.

This is primarily targeted towards people running test suites under CI
(e.g. buildbot, jenkins). Oftentimes tests entail segfaults that are
expected, and logs get spammed -- this can be particularly high volume
depending on the application. Per-process control of this behavior is
desirable because they may still want to be logging legitimate
segfaults, so the system-wide atomic bomb kern.logsigexit=0 is not a
great option.

This adds a process flag to disable it, controllable via
procctl(2)/proccontrol(1); the latter knows it as "sigexitlog" due to
its length, but it's referred to almost everywhere else as
"sigexit_log."

Reviewed by:	kib (earlier version), pstef
Differential Revision:	https://reviews.freebsd.org/D21903
2024-12-13 23:18:30 -06:00
.cirrus-ci Cirrus-CI: add some timing info on pkg install failure 2021-08-04 15:02:00 -04:00
.github github: limit paths for style workflow 2024-12-05 17:59:51 -07:00
bin cat: report copy_file_range() errors with the read filename 2024-12-13 22:32:54 -06:00
cddl zfs: merge openzfs/zfs@1c9a4c8cb 2024-11-13 13:49:10 +01:00
contrib jemalloc: Retire SWAP_RESERVE_* compat shims 2024-12-13 16:04:40 -07:00
crypto Canonicalize the name of the FreeBSD Foundation 2024-10-24 05:03:07 +08:00
etc strptime: Fix day-of-week calculation. 2024-12-09 13:38:22 +01:00
gnu Remove residual blank line at start of Makefile 2024-07-15 16:43:39 -06:00
include Tweak ppoll() to include 1003.1-2024 visibility 2024-12-13 22:15:19 -06:00
kerberos5 Remove residual blank line at start of Makefile 2024-07-15 16:43:39 -06:00
lib Add per-process flag to disable logsigexit 2024-12-13 23:18:30 -06:00
libexec devmatch: do nothing if booted in safe mode 2024-12-13 22:31:38 -06:00
release release: Always use NO_ROOT for distribute* and package* 2024-12-13 12:08:01 -05:00
rescue Remove residual blank line at start of Makefile 2024-07-15 16:43:39 -06:00
sbin mount_nfs.8: Document the new "mountport" NFS mount option 2024-12-11 15:18:21 -08:00
secure manuals: Remove trailing spaces 2024-11-04 11:26:14 -04:00
share timeradd.3: Add missing .Pp after .Ed 2024-12-13 11:53:51 -05:00
stand loader: set boot_safe when safe mode is selected 2024-12-13 22:31:28 -06:00
sys Add per-process flag to disable logsigexit 2024-12-13 23:18:30 -06:00
targets Retire MK_PROFILE infrastructure 2024-11-12 12:11:51 -05:00
tests inpcb: Remove bogus SO_REUSEPORT(_LB) checks in in_pcbbind() 2024-12-12 14:25:15 +00:00
tools depend-cleanup.sh: Need to delete jemalloc.3 in objtree 2024-12-13 16:04:34 -07:00
usr.bin Add per-process flag to disable logsigexit 2024-12-13 23:18:30 -06:00
usr.sbin cxgbetool.8: Consistently use .Cm for loader tunables 2024-12-10 15:34:10 -05:00
.arcconfig arcanist: use FreeBSD/git project repository instead of FreeBSD/svn 2022-08-23 14:16:41 +00:00
.arclint arc lint: ignore /tests/ in chmod 2017-12-19 03:38:06 +00:00
.cirrus.yml Cirrus-CI: Switch default job to llvm19-amd64 2024-12-12 11:58:01 -05:00
.clang-format clang-format: Minor tweaks 2024-04-30 17:33:43 -04:00
.git-blame-ignore-revs git-blame-ignore-revs: Ignore 5c623697d6 in blame 2024-12-06 19:41:34 +08:00
.gitattributes Remove SVN related Git attributes 2023-12-26 10:28:28 -07:00
.gitignore .gitignore: add sys/*/compile 2024-02-02 09:20:36 -07:00
.mailmap mailmap: Translate my personal address 2024-06-22 08:57:56 +02:00
CONTRIBUTING.md CONTRIBUTING.md/style: spring cleaning 2024-05-10 15:07:03 -06:00
COPYRIGHT copyright: Bump the copyright date. 2023-12-31 23:15:43 -07:00
LOCKS Update LOCKS for Git 2023-12-26 10:28:25 -07:00
MAINTAINERS man filesystems: fix more xrefs after move to s4 2024-06-27 18:32:05 -06:00
Makefile armv6: Remove support for building armv6 2024-07-12 11:31:53 +00:00
Makefile.inc1 Makefile.inc1: Require DISTDIR be set for make distributeworld 2024-12-13 10:22:01 -05:00
Makefile.libcompat Remove residual blank line at start of Makefile 2024-07-15 16:43:39 -06:00
Makefile.sys.inc Remove $FreeBSD$: one-line sh pattern 2023-08-16 11:55:03 -06:00
ObsoleteFiles.inc ObsoleteFiles.inc: Correct date for SOC FPGA driver removal 2024-12-07 10:50:18 -05:00
README.md Update README.md to add pointer to release page. 2024-05-09 20:40:46 -06:00
RELNOTES RELNOTES: Add an entry for commit 0e8a36a2ab 2024-12-11 15:25:31 -08:00
UPDATING usr.bin/bc: remove OpenBSD derived bc and dc commands 2024-11-24 22:38:23 +01:00

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.

For information on the CPU architectures and platforms supported by FreeBSD, see the FreeBSD website's Platforms page.

For official FreeBSD bootable images, see the release page.

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 Commands and libraries under the GNU General Public License (GPL) or Lesser General Public License (LGPL). 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 (see sys/README.md).
targets Support for experimental DIRDEPS_BUILD
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.