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Code
The systemd System and Service Manager
50,258 Commits 4 Branches 398 Tags 564 MiB
C 89.2%
Python 5.3%
Shell 4.1%
Meson 1.2%
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Fangrui Song 945317a4b6 sd-bus: set retain attribute on BUS_ERROR_MAP_ELF_REGISTER 
LLD 13 and GNU ld 2.37 support -z start-stop-gc which allows garbage
collection of C identifier name sections despite the __start_/__stop_
references.  Simply set the retain attribute so that GCC 11 (if
configure-time binutils is 2.36 or newer)/Clang 13 will set the
SHF_GNU_RETAIN section attribute to prevent garbage collection.

Without the patch, there are linker errors like the following with -z
start-stop-gc.

```
ld: error: undefined symbol: __start_SYSTEMD_BUS_ERROR_MAP
>>> referenced by bus-error.c:93 (../src/libsystemd/sd-bus/bus-error.c:93)
>>>               sd-bus_bus-error.c.o:(bus_error_name_to_errno) in archive src/libsystemd/libsystemd_static.a
```
2021-03-29 12:31:42 +02:00
.github docs: link to stable releases in the bug template 2021-03-25 20:38:45 +00:00
.lgtm/cpp-queries lgtm: complain about accept() [people should use accept4() instead, due to O_CLOEXEC] 2019-04-10 20:03:38 +02:00
.mkosi Move shared mkosi settings to a single file in mkosi.default.d/ 2021-01-06 12:10:58 +00:00
.semaphore ci: migrate to Semaphore CI 2.0 2021-01-15 20:18:29 +01:00
catalog license: LGPL-2.1+ -> LGPL-2.1-or-later 2020-11-09 13:23:58 +09:00
coccinelle coccinelle: filter out a couple of 'false-positive' transformations 2021-03-18 11:59:53 +01:00
docs homepage: fix year in footer to 2021 2021-03-18 23:31:55 +01:00
factory/etc man: move 'files' module in NSS 'hosts:' line before myhostname 2020-08-17 18:55:59 +02:00
hwdb.d Add READMEs in all .d directories 2021-03-26 09:35:07 +01:00
man man: document differences in clean exit status for Type=oneshot 2021-03-23 09:33:23 +01:00
mkosi.default.d mkosi: Enable InstallDirectory and SourceFileTransferFinal options 2021-01-06 23:28:34 +00:00
modprobe.d Add READMEs in all .d directories 2021-03-26 09:35:07 +01:00
network network: use IPMasquerade=both instead of yes 2021-02-24 15:01:43 +01:00
po po: Translated using Weblate (Korean) 2021-03-25 10:42:02 +01:00
presets license: LGPL-2.1+ -> LGPL-2.1-or-later 2020-11-09 13:23:58 +09:00
rules.d Add READMEs in all .d directories 2021-03-26 09:35:07 +01:00
shell-completion shell-completion: systemd-run: add missing options 2021-03-22 21:20:17 +01:00
src sd-bus: set retain attribute on BUS_ERROR_MAP_ELF_REGISTER 2021-03-29 12:31:42 +02:00
sysctl.d Add READMEs in all .d directories 2021-03-26 09:35:07 +01:00
sysusers.d Add READMEs in all .d directories 2021-03-26 09:35:07 +01:00
test shared/calendarspec: when mktime() moves us backwards, jump forward 2021-03-23 00:35:02 +01:00
tmpfiles.d Add READMEs in all .d directories 2021-03-26 09:35:07 +01:00
tools tools: exclude Weblate bot from "ninja git-contrib" 2021-03-17 16:53:14 +01:00
units units: add Conditions for systemd-oomd.service 2021-02-23 02:09:21 -08:00
xorg scripts: use 4 space indentation 2019-04-12 08:30:31 +02:00
.clang-format clang-format: set SpaceBeforeParens to ControlStatementsExceptForEachMacros 2020-11-16 16:57:51 +09:00
.ctags editors: Prevent ctags from following symlinks 2019-02-15 11:01:20 -08:00
.dir-locals.el scripts: use 4 space indentation 2019-04-12 08:30:31 +02:00
.editorconfig editorconfig: add man configuration 2020-05-26 15:37:05 +02:00
.gitattributes udev: Extract RAM properties from DMI information 2020-12-16 18:32:29 +01:00
.gitignore Move shared mkosi settings to a single file in mkosi.default.d/ 2021-01-06 12:10:58 +00:00
.lgtm.yml lgtm: drop the TMPDIR/meson workaround 2020-03-03 20:27:42 +01:00
.mailmap mailmap: merge Weblate bot commiter into one 2021-03-17 16:53:10 +01:00
.packit.yml ci: revert back to --werror instead of -Dc_args=-Werror 2021-03-07 11:07:50 +01:00
.vimrc scripts: use 4 space indentation 2019-04-12 08:30:31 +02:00
.ycm_extra_conf.py ycm: add doc string for all the functions in configuration file 2017-11-29 13:21:49 -07:00
configure tree-wide: add spdx header on all scripts and helpers 2021-01-28 09:55:35 +01:00
LICENSE.GPL2 relicense to LGPLv2.1 (with exceptions) 2012-04-12 00:24:39 +02:00
LICENSE.LGPL2.1 licence: remove references to old FSF address 2012-12-17 11:41:31 +01:00
Makefile tree-wide: add spdx header on all scripts and helpers 2021-01-28 09:55:35 +01:00
meson_options.txt meson: fix warning about comparison between different types 2021-03-22 14:40:46 +01:00
meson.build Add READMEs in all .d directories 2021-03-26 09:35:07 +01:00
mkosi.build meson: Fix update-man-rules when the build dir is not a subdir of the project dir 2021-01-24 17:33:49 +00:00
NEWS Partially revert "correct incorrect command in NEWS (#19048)" 2021-03-22 21:33:03 +01:00
README README: add config_psi as requirement for systemd-oomd 2021-02-23 02:10:09 -08:00
README.md ci: point the Fossies badge to main 2021-01-21 20:08:44 +01:00
TODO update TODO 2021-03-23 14:43:07 +01:00

README.md

Systemd

System and Service Manager

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Details

Most documentation is available on systemd's web site.

Assorted, older, general information about systemd can be found in the systemd Wiki.

Information about build requirements is provided in the README file.

Consult our NEWS file for information about what's new in the most recent systemd versions.

Please see the Hacking guide for information on how to hack on systemd and test your modifications.

Please see our Contribution Guidelines for more information about filing GitHub Issues and posting GitHub Pull Requests.

When preparing patches for systemd, please follow our Coding Style Guidelines.

If you are looking for support, please contact our mailing list or join our IRC channel.

Stable branches with backported patches are available in the stable repo.