]> git.ipfire.org Git - thirdparty/libcgroup.git/log
thirdparty/libcgroup.git
3 years agotools/lscgroup: add support status for the tool
Kamalesh Babulal [Mon, 16 May 2022 15:22:52 +0000 (09:22 -0600)] 
tools/lscgroup: add support status for the tool

lscgroup currently doesn't support the cgroupv2 filesystem.  Add the
warning about the support status in the help.

Fixes: https://github.com/libcgroup/libcgroup/issues/50
Suggested-by: Tom Hromatka <tom.hromatka@oracle.com>
Signed-off-by: Kamalesh Babulal <kamalesh.babulal@oracle.com>
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
(cherry picked from commit 5e3715fe1da3f29a52147512d5447a778c0a98a8)

3 years agotools/lssubsys: add support status for the tool
Kamalesh Babulal [Mon, 16 May 2022 15:21:43 +0000 (09:21 -0600)] 
tools/lssubsys: add support status for the tool

lssubsys currently doesn't support the cgroups v2 filesystem.  Add the
warning about the support status in the help.

Fixes: https://github.com/libcgroup/libcgroup/issues/50
Suggested-by: Tom Hromatka <tom.hromatka@oracle.com>
Signed-off-by: Kamalesh Babulal <kamalesh.babulal@oracle.com>
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
(cherry picked from commit cf1a7751407f8218f41f99f64635242a65a6d36c)

3 years agoconfigure.ac: Update version number to v2.0.2 v2.0.2
Tom Hromatka [Thu, 12 May 2022 13:49:53 +0000 (07:49 -0600)] 
configure.ac: Update version number to v2.0.2

Update both the package and library version numbers
to v2.0.2

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
3 years agoconfigure: fix the extra spaces in --enable-bindings
Kamalesh Babulal [Wed, 11 May 2022 16:21:46 +0000 (10:21 -0600)] 
configure: fix the extra spaces in --enable-bindings

Extra spaces between the default action assignment for the feature
--enable-bindings feature, fails with:
./configure: line 12510: with_bindings: command not found

fix the issue by removing the extra spaces in the assignment.

Fixes: https://github.com/libcgroup/libcgroup/issues/133
Reported-by: @jeffmacdonald (github username)
Signed-off-by: Kamalesh Babulal <kamalesh.babulal@oracle.com>
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
3 years agoapi.c: fix segfault while processing cgroup mount points
Kamalesh Babulal [Wed, 4 May 2022 15:39:42 +0000 (21:09 +0530)] 
api.c: fix segfault while processing cgroup mount points

The cgroup v1 and cgroup v2 mount points get read from /proc/mounts in
cgroup_process_v1_mnt()/cgroup_process_v2_mnt() respectively and gets
populated into cg_mount_table[].  The size of cg_mount_table[] is set
to CG_CONTROLLER_MAX, that's defined as 100 and if the system has more
than CG_CONTROLLER_MAX, unique mount points, it will segfault while
processing them.  Fix this by checking, the mount point count after
processing every mount entry and bailout in case it reaches
CG_CONTROLLER_MAX.

The issue can be reproduced using, following simple bash commands on
cgroup v1:
1. sudo for i in $(seq 0 100); do sudo mkdir /name$i; done
2. sudo for i in $(seq 0 100); do sudo mount -t cgroup -o
   none,name=named$i none /name$i; done
3. sudo cgget -g <controller>:<existing cgroup name>

Signed-off-by: Kamalesh Babulal <kamalesh.babulal@oracle.com>
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
3 years agoconfigure.ac: Update version number to v2.0.1 v2.0.1
Tom Hromatka [Thu, 10 Mar 2022 17:01:07 +0000 (10:01 -0700)] 
configure.ac: Update version number to v2.0.1

Update both the package and library version numbers
to v2.0.1

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
3 years agodocs: add library version updates to release process
Kamalesh Babulal [Thu, 10 Feb 2022 21:50:32 +0000 (14:50 -0700)] 
docs: add library version updates to release process

Add step to update Major, Minor and Release versions in configure.ac to
both release documents.

Signed-off-by: Kamalesh Babulal <kamalesh.babulal@oracle.com>
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
(cherry picked from commit d505622e6742f0587dd3093e30c9737ef86798c6)

3 years agoerror.h: make errno number reading easier
Kamalesh Babulal [Tue, 8 Feb 2022 16:17:44 +0000 (09:17 -0700)] 
error.h: make errno number reading easier

Trying to match error number with enum requires manual effort. Make it
easier by adding a comment with errno for every enum value.

Signed-off-by: Kamalesh Babulal <kamalesh.babulal@oracle.com>
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
(cherry picked from commit a6f3fd339e2f104a64979196648086d996cb4409)

3 years agoapi.c: add support for cgroup.threads
Kamalesh Babulal [Thu, 27 Jan 2022 19:47:55 +0000 (12:47 -0700)] 
api.c: add support for cgroup.threads

cgroup_build_tasks_procs_path(), that builds the proc path for moving
the tid, doesn't check for the cgroup type and appends cgroup.procs for
both cgroup v1/v2.  With cgroup v2, this results in building a wrong
proc path if the cgroup type is threaded. This patch adds support to
check for the cgroup v2 type and build the proc path according to the
below table:

cgroup.type     | proc file      | Description                        |
----------------+----------------+------------------------------------+
domain          | cgroup.procs   | regular cgroup, all threads gets   |
                |                | moved to the cgroup.               |
domain threaded | cgroup.procs   | root of threaded subtree, all      |
                |                | threads gets moved to the cgroup.  |
threaded        | cgroup.threads | cgroup under threaded subtree,     |
|  | single threads with matching tid,  |
|  | gets moved to the cgroup.          |
domain invalid  | N/A            | invalid state of a cgroup under the|
                |                | threaded subtree.                  |

Closes: https://github.com/libcgroup/libcgroup/issues/64
Signed-off-by: Kamalesh Babulal <kamalesh.babulal@oracle.com>
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
cherry picked from commit 4c577f91050b1ad00e5ed2b2abb40fc4978db996)

3 years agoMerge pull request #88 from drakenclimber/issues/rel2-codeql
Tom Hromatka [Wed, 19 Jan 2022 17:57:01 +0000 (10:57 -0700)] 
Merge pull request #88 from drakenclimber/issues/rel2-codeql

ENH: Add codeql security scan to release-2.0 branch

3 years agoapi.c: Fix TOCTOU race in cgroup_get_procs() 88/head
Tom Hromatka [Wed, 19 Jan 2022 17:47:04 +0000 (10:47 -0700)] 
api.c: Fix TOCTOU race in cgroup_get_procs()

codeql flagged a potential race between the time-of-check
and time-of-use (CWE-367) of the cgroup.procs file in
cgroup_get_procs().

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
(cherry picked from commit 57da48f9deb77c82e46cf347b029f438638e9ad1)

3 years agogithub: Add a code security scan
Tom Hromatka [Wed, 19 Jan 2022 17:46:50 +0000 (10:46 -0700)] 
github: Add a code security scan

Add a code security scan, CodeQL to the Github Actions
continuous integration.

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
Reviewed-by: Kamalesh Babulal <kamalesh.babulal@oracle.com>
(cherry picked from commit 41a8fd8e68f77dc99b5bb086bf9d138a2ea02d46)

3 years agoSECURITY.md: Add security file
Tom Hromatka [Wed, 19 Jan 2022 17:45:37 +0000 (10:45 -0700)] 
SECURITY.md: Add security file

Add a SECURITY.md file that outlines the process for handling
security-related vulnerabilities.

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
Reviewed-by: Kamalesh Babulal <kamalesh.babulal@oracle.com>
(cherry picked from commit 47543c98f9a4d3c8e971951da6f25609aa3a868f)

3 years agoapi.c: cache cgrules with CGFLAG_USECACHE flag
Kamalesh Babulal [Tue, 18 Jan 2022 15:35:04 +0000 (08:35 -0700)] 
api.c: cache cgrules with CGFLAG_USECACHE flag

pam_cgroup.so plugin uses /etc/cgrules.conf to assign processes
to the requested cgroup.  This works well with active
cgrulesengd but in the instances where cgrulesengd is disabled,
the rules are not read and cached by default. Fix this is by
reloading and caching the rules when called with CGFLAG_USECACHE
flag.

Fixes: https://github.com/libcgroup/libcgroup/issues/84
Reported-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kamalesh Babulal <kamalesh.babulal@oracle.com>
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
TJH: Minor commit comment changes
(cherry picked from commit 80a0bd4b8873df38060309e775d609dcc219531f)

3 years agoInitialize cgroup version for named V1 hierarchy
Ingo van Lil [Thu, 16 Dec 2021 20:34:00 +0000 (13:34 -0700)] 
Initialize cgroup version for named V1 hierarchy

Commit 3aac9889 added the 'version' field in cg_mount_table_s and
initializes it in cgroup_process_v1_mnt(). The same initialization is
required in a second place dealing with named hierarchies.

Signed-off-by: Ingo van Lil <inguin@gmx.de>
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
(cherry picked from commit d0a1979e8078e7669daf1713bb97ef408a2befbc)

3 years agoapi.c: Allow reading/writing from cgroup.* files in cgroup v2
Tom Hromatka [Tue, 14 Dec 2021 21:41:40 +0000 (14:41 -0700)] 
api.c: Allow reading/writing from cgroup.* files in cgroup v2

Allow reading/writing from cgroup.* files (such as cgroup.type
and cgroup.procs) on cgroup v2 filesystems.

Closes: https://github.com/libcgroup/libcgroup/issues/73
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
Reviewed-by: Kamalesh Babulal <kamalesh.babulal@oracle.com>
(cherry picked from commit 30d0d4708af07baf1ec1ec7edc14a31359a4c1ef)

3 years agoMerge pull request #77 from drakenclimber/update-rel2-tests
Tom Hromatka [Wed, 8 Dec 2021 20:00:03 +0000 (13:00 -0700)] 
Merge pull request #77 from drakenclimber/update-rel2-tests

tests: Update to the latest commit on libcgroup-tests release-2.0

3 years agotests: Update to the latest commit on libcgroup-tests release-2.0 77/head
Tom Hromatka [Wed, 8 Dec 2021 19:49:11 +0000 (12:49 -0700)] 
tests: Update to the latest commit on libcgroup-tests release-2.0

Reported-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
3 years agoautomake: idiomatically mark test libraries as convenience libraries
Ross Burton [Fri, 3 Dec 2021 15:38:27 +0000 (08:38 -0700)] 
automake: idiomatically mark test libraries as convenience libraries

Instead of installing then deleting, mark the libraries which are only
used at build time and should not be installed as noinst, so they don't
get installed at all.

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
(cherry picked from commit 1932bd3c46fc5f3532d6583ccc2ccd4c8d8530a2)

3 years agogithub: Run test 028 last
Tom Hromatka [Fri, 12 Nov 2021 18:32:03 +0000 (18:32 +0000)] 
github: Run test 028 last

A merge conflict moved the running of test 028 before
running `make check`.  Run test 028-cgclear-basic_cgclear.py
last because it is destructive to the cgroup hierarchy.

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
3 years agoautomake: Don't install testing libraries
Tom Hromatka [Fri, 12 Nov 2021 13:56:37 +0000 (06:56 -0700)] 
automake: Don't install testing libraries

libcgset and libcgfortesting are libraries that are used by the
unit test framework and are not intended to be installed when
`make install` is invoked.  Delete them from the install path.

Closes: https://github.com/libcgroup/libcgroup/issues/62
Reviewed-by: Kamalesh Babulal <kamalesh.babulal@oracle.com>
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
(cherry picked from commit 6c941e8b26fbd6613c96ed65e08290aa21ff33de)

3 years agoautomake: Link libcgset with libcgroup
Tom Hromatka [Fri, 12 Nov 2021 13:52:51 +0000 (06:52 -0700)] 
automake: Link libcgset with libcgroup

When linking with the -Wl,--no-undefined flag enabled, libcgset
fails due to undefined symbols.  Fix this by enabling this flag
and linking with libcgroup.la

Closes: https://github.com/libcgroup/libcgroup/issues/66
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
(cherry picked from commit b4015e3f96fc430029a37e94edc151e16727e8f1)

3 years agoREADME: fix typos across the file
Kamalesh Babulal [Mon, 1 Nov 2021 20:28:59 +0000 (14:28 -0600)] 
README: fix typos across the file

Fix a couple of typos across the file.

Signed-off-by: Kamalesh Babulal <kamalesh.babulal@oracle.com>
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
(cherry picked from commit c171be33bce722d92566c78c3b5fefa8ac2a3d92)

3 years agocgclassify: fix error message
Kamalesh Babulal [Mon, 1 Nov 2021 20:28:42 +0000 (14:28 -0600)] 
cgclassify: fix error message

Fix the typo in the error message, while trying to parse the cgroup to
place the task.

Signed-off-by: Kamalesh Babulal <kamalesh.babulal@oracle.com>
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
(cherry picked from commit ef2299a3edaadcfbb70bf741deea0ee4a3d510a4)

3 years agogithub: re-arrange workflow run commands
Kamalesh Babulal [Thu, 21 Oct 2021 21:25:55 +0000 (15:25 -0600)] 
github: re-arrange workflow run commands

The current workflow executes the functional tests from the make check
called at the top-level source directory. Though this runs the tests
case, it also has an unintended side effect of re-running gunit tests
for every functional test combination in the workflow. Fix it, by
re-arranging the function test run commands, to change into
tests/ftests directory before executing make check.

Signed-off-by: Kamalesh Babulal <kamalesh.babulal@oracle.com>
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
(cherry picked from commit 348f50bed7bfab1a63a649b4a65120fb03a7d3c2)

3 years agoconfigure.ac: check for the library containing fts_open
Ross Burton [Fri, 10 Sep 2021 17:42:20 +0000 (11:42 -0600)] 
configure.ac: check for the library containing fts_open

The musl C library doesn't provide fts.h[1], so libcgroup doesn't
compile with musl. However, there is a standalone implementation of fts
for musl users[2] which can be used.

Use AC_SEARCH_LIBS to search for fts_open, which will check if it is part
of libc, and if not look in libfts, then set LIBS if needed.

[1] https://wiki.musl-libc.org/faq.html
[2] https://github.com/void-linux/musl-fts

Closes #61.

Signed-off-by: Ross Burton <ross.burton@arm.com>
[TJH: minor formatting changes to match existing configure.ac]
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
(cherry picked from commit 27ba904355575153308bdc0fa48344ef1be55ca1)

4 years agoMerge pull request #55 from drakenclimber/pull/46
Tom Hromatka [Tue, 6 Jul 2021 18:53:52 +0000 (12:53 -0600)] 
Merge pull request #55 from drakenclimber/pull/46

Replace __BEGIN_DECLS and __END_DECLS with extern "C".

4 years agoReplace __BEGIN_DECLS and __END_DECLS with extern "C". 55/head
Anthony G. Basile [Tue, 6 Jul 2021 18:42:54 +0000 (12:42 -0600)] 
Replace __BEGIN_DECLS and __END_DECLS with extern "C".

The macros __BEGIN_DECLS and __END_DECLS are a GNU-ism found in
glibc and uClibc, but not musl.  We replace them by the more general
extern "C" { ... } block exposed only if we have __cplusplus.

Forward ported from a patch by Anthony G. Basile <blueness@gentoo.org>.

Signed-off-by: Alex Xu (Hello71) <alex_y_xu@yahoo.ca>
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
(cherry picked from commit 215974e67a24edf9097507e8707190b6a42c7207)

4 years agogithub: Run apt update before apt install
Tom Hromatka [Tue, 1 Jun 2021 18:25:10 +0000 (12:25 -0600)] 
github: Run apt update before apt install

Run apt update before apt install

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agobootstrap: Use release-2.0 branch
Tom Hromatka [Mon, 17 May 2021 13:11:50 +0000 (13:11 +0000)] 
bootstrap: Use release-2.0 branch

Checkout the libcgroup-tests release-2.0 branch.

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoautomake: replace CPPFLAGS by AM_CPPFLAGS
Tomasz Kłoczko [Wed, 12 May 2021 20:36:17 +0000 (20:36 +0000)] 
automake: replace CPPFLAGS by AM_CPPFLAGS

To not interfere with env $CPPFLAGS it is better to use AM_CPPFLAGS

Signed-off-by: Tomasz Kłoczko <kloczek@github.com>
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoautomake: build PAM module as unversioned DSO
Tomasz Kłoczko [Wed, 12 May 2021 20:36:02 +0000 (20:36 +0000)] 
automake: build PAM module as unversioned DSO

PAM modules should be build as unversioned DSO.
Add -avoid-version to pam_cgroup_la_LDFLAGS

Signed-off-by: Tomasz Kłoczko <kloczek@github.com>
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoautomake: replace INCLUDES by CPPFLAGS
Tomasz Kłoczko [Wed, 12 May 2021 20:35:40 +0000 (20:35 +0000)] 
automake: replace INCLUDES by CPPFLAGS

automake shows warnings like below:

src/Makefile.am:16: warning: 'INCLUDES' is the old name for 'AM_CPPFLAGS' (or '*_CPPFLAGS')
src/Makefile.am: installing 'build-aux/depcomp'
src/bindings/Makefile.am:2: warning: 'INCLUDES' is the old name for 'AM_CPPFLAGS' (or '*_CPPFLAGS')
src/daemon/Makefile.am:3: warning: 'INCLUDES' is the old name for 'AM_CPPFLAGS' (or '*_CPPFLAGS')
src/pam/Makefile.am:1: warning: 'INCLUDES' is the old name for 'AM_CPPFLAGS' (or '*_CPPFLAGS')
src/tools/Makefile.am:3: warning: 'INCLUDES' is the old name for 'AM_CPPFLAGS' (or '*_CPPFLAGS')

Signed-off-by: Tomasz Kłoczko <kloczek@github.com>
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoUpdate version number to 2.0 v2.0
Tom Hromatka [Thu, 6 May 2021 14:14:30 +0000 (14:14 +0000)] 
Update version number to 2.0

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoMerge pull request #42 from drakenclimber/issues/update-map
Tom Hromatka [Mon, 3 May 2021 21:15:50 +0000 (15:15 -0600)] 
Merge pull request #42 from drakenclimber/issues/update-map

libcgroup.map: Update version number

4 years agolibcgroup.map: Update version number 42/head
Tom Hromatka [Mon, 3 May 2021 21:02:04 +0000 (15:02 -0600)] 
libcgroup.map: Update version number

Update the version number for the most recent exported
functions.

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoMerge pull request #41 from drakenclimber/issues/fix-warnings
Tom Hromatka [Fri, 30 Apr 2021 13:47:10 +0000 (07:47 -0600)] 
Merge pull request #41 from drakenclimber/issues/fix-warnings

Fix warnings

4 years agoparse.y: Fix nonterminal %type warnings 41/head
Tom Hromatka [Tue, 27 Apr 2021 19:24:41 +0000 (19:24 +0000)] 
parse.y: Fix nonterminal %type warnings

Fix the following warnings in parse.y:

../parse.y:48.14-15: warning: POSIX yacc reserves %type to nonterminals [-Wyacc]
   48 | %type <name> ID DEFAULT group_name
      |              ^~
../parse.y:48.17-23: warning: POSIX yacc reserves %type to nonterminals [-Wyacc]
   48 | %type <name> ID DEFAULT group_name
      |                 ^~~~~~~

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agolscgroup: Fix strncpy() truncation warning
Tom Hromatka [Tue, 27 Apr 2021 17:08:38 +0000 (17:08 +0000)] 
lscgroup: Fix strncpy() truncation warning

Fix the following strncpy() string truncation warning:

In function ‘strncat’,
    inlined from ‘print_cgroup’ at lscgroup.c:149:4:
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:136:10: warning: ‘__builtin___strncat_chk’ output
may be truncated copying between 0 and 4095 bytes from a string of length 4095 [-Wstringop-truncation]
  136 |   return __builtin___strncat_chk (__dest, __src, __len, __bos (__dest));
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agolscgroup: Fix strncpy() truncation warning
Tom Hromatka [Tue, 27 Apr 2021 17:07:31 +0000 (17:07 +0000)] 
lscgroup: Fix strncpy() truncation warning

Fix the following strncpy() string truncation warning:

In function ‘strncpy’,
    inlined from ‘display_controller_data’ at lscgroup.c:104:2:
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:106:10: warning: ‘__builtin_strncpy’ specified bound 4096 equals destination size [-Wstringop-truncation]
  106 |   return __builtin___strncpy_chk (__dest, __src, __len, __bos (__dest));
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agolscgroup: Fix strncpy() truncation warning
Tom Hromatka [Tue, 27 Apr 2021 17:06:26 +0000 (17:06 +0000)] 
lscgroup: Fix strncpy() truncation warning

Fix the following strncpy() string truncation warning:

In function ‘strncpy’,
    inlined from ‘display_controller_data’ at lscgroup.c:99:2:
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:106:10: warning: ‘__builtin_strncpy’ specified bound 4096 equals destination size [-Wstringop-truncation]
  106 |   return __builtin___strncpy_chk (__dest, __src, __len, __bos (__dest));
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agolssubsys: Fix strncpy() truncation warning
Tom Hromatka [Tue, 27 Apr 2021 17:04:21 +0000 (17:04 +0000)] 
lssubsys: Fix strncpy() truncation warning

Fix the following strncpy() string truncation warning:

In function ‘strncpy’,
    inlined from ‘print_all_controllers_in_hierarchy’ at lssubsys.c:131:4,
    inlined from ‘cgroup_list_all_controllers’ at lssubsys.c:225:9,
    inlined from ‘main’ at lssubsys.c:293:8:
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:106:10: warning: ‘__builtin_strncpy’ output may be truncated copying 4095 bytes from a string of length 4095 [-Wstringop-truncation]
  106 |   return __builtin___strncpy_chk (__dest, __src, __len, __bos (__dest));
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agolssubsys: Fix strncpy() truncation warning
Tom Hromatka [Tue, 27 Apr 2021 17:03:18 +0000 (17:03 +0000)] 
lssubsys: Fix strncpy() truncation warning

Fix the following strncpy() string truncation warning:

In function ‘strncpy’,
    inlined from ‘print_all_controllers_in_hierarchy’ at lssubsys.c:127:4,
    inlined from ‘cgroup_list_all_controllers’ at lssubsys.c:223:9,
    inlined from ‘main’ at lssubsys.c:291:8:
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:106:10: warning: ‘__builtin_strncpy’ output may be truncated copying 4095 bytes from a string of length 4095 [-Wstringop-truncation]
  106 |   return __builtin___strncpy_chk (__dest, __src, __len, __bos (__dest));
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agolssubsys: Fix strncpy() truncation warning
Tom Hromatka [Tue, 27 Apr 2021 16:58:12 +0000 (16:58 +0000)] 
lssubsys: Fix strncpy() truncation warning

Fix the following strncpy() string truncation warning:

In function ‘strncat’,
    inlined from ‘print_all_controllers_in_hierarchy’ at lssubsys.c:134:4,
    inlined from ‘cgroup_list_all_controllers’ at lssubsys.c:222:9,
    inlined from ‘main’ at lssubsys.c:290:8:
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:136:10: warning: ‘__builtin___strncat_chk’ output may be truncated copying 4095 bytes from a string of length 4095 [-Wstringop-truncation]
  136 |   return __builtin___strncat_chk (__dest, __src, __len, __bos (__dest));
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agocgget: Fix strncpy() truncation warning
Tom Hromatka [Tue, 27 Apr 2021 16:53:44 +0000 (16:53 +0000)] 
cgget: Fix strncpy() truncation warning

Fix the following strncpy() string truncation warning:

In function ‘strncat’,
    inlined from ‘fill_empty_controller’ at cgget.c:584:2:
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:136:10: warning: ‘__builtin___strncat_chk’ output may be truncated copying between 0 and 4095 bytes from a string of length 4095 [-Wstringop-truncation]
  136 |   return __builtin___strncat_chk (__dest, __src, __len, __bos (__dest));
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agotools: Fix strncpy() truncation warning
Tom Hromatka [Tue, 27 Apr 2021 16:50:53 +0000 (16:50 +0000)] 
tools: Fix strncpy() truncation warning

Fix the following strncpy() string truncation warning:

In function ‘strncpy’,
    inlined from ‘parse_cgroup_spec’ at ../tools/tools-common.c:92:2:
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:106:10: warning: ‘__builtin_strncpy’ specified bound 4096 equals destination size [-Wstringop-truncation]
  106 |   return __builtin___strncpy_chk (__dest, __src, __len, __bos (__dest));
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoconfig.c: Fix strncpy() truncation warning
Tom Hromatka [Tue, 27 Apr 2021 16:48:33 +0000 (16:48 +0000)] 
config.c: Fix strncpy() truncation warning

Fix the following strncpy() string truncation warning:

In function ‘strncpy’,
    inlined from ‘cgroup_config_create_template_group’ at config.c:1850:5:
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:106:10: warning: ‘__builtin_strncpy’ output may be truncated copying 4095 bytes from a string of length 4095 [-Wstringop-truncation]
  106 |   return __builtin___strncpy_chk (__dest, __src, __len, __bos (__dest));
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoconfig.c: Fix strncpy() truncation warning
Tom Hromatka [Tue, 27 Apr 2021 16:46:24 +0000 (16:46 +0000)] 
config.c: Fix strncpy() truncation warning

Fix the following strncpy() string truncation warning:

In function ‘strncpy’,
    inlined from ‘cgroup_config_create_template_group’ at config.c:1844:5:
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:106:10: warning: ‘__builtin_strncpy’ output may be truncated copying 4095 bytes from a string of length 4095 [-Wstringop-truncation]
  106 |   return __builtin___strncpy_chk (__dest, __src, __len, __bos (__dest));
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoconfig.c: Fix strncpy() truncation warning
Tom Hromatka [Tue, 27 Apr 2021 16:42:41 +0000 (16:42 +0000)] 
config.c: Fix strncpy() truncation warning

Fix the following strncpy() string truncation warning:

In function ‘strncpy’,
    inlined from ‘cgroup_config_create_template_group’ at config.c:1841:5:
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:106:10: warning: ‘__builtin_strncpy’ output may be truncated copying 4095 bytes from a string of length 4095 [-Wstringop-truncation]
  106 |   return __builtin___strncpy_chk (__dest, __src, __len, __bos (__dest));
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoapi.c: Fix strncpy() truncation warning
Tom Hromatka [Tue, 27 Apr 2021 16:40:39 +0000 (16:40 +0000)] 
api.c: Fix strncpy() truncation warning

Fix the following strncpy() string truncation warning:

In function ‘strncat’,
    inlined from ‘cgroup_get_cgroup’ at api.c:3153:3:
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:136:10: warning: ‘__builtin___strncat_chk’ output may be truncated copying between 0 and 4095 bytes from a string of length 4095 [-Wstringop-truncation]
  136 |   return __builtin___strncat_chk (__dest, __src, __len, __bos (__dest));
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoapi.c: Fix strncpy() truncation warning
Tom Hromatka [Tue, 27 Apr 2021 16:35:46 +0000 (16:35 +0000)] 
api.c: Fix strncpy() truncation warning

Fix the following strncpy() string truncation warning:

In function ‘strncpy’,
    inlined from ‘cgroup_parse_rules_file’ at api.c:814:3:
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:106:10: warning: ‘__builtin_strncpy’ output may be truncated copying 4095 bytes from a string of length 4095 [-Wstringop-truncation]
  106 |   return __builtin___strncpy_chk (__dest, __src, __len, __bos (__dest));
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoapi.c: Fix strncpy() truncation warning
Tom Hromatka [Tue, 27 Apr 2021 16:32:10 +0000 (16:32 +0000)] 
api.c: Fix strncpy() truncation warning

Fix the following strncpy() string truncation warning:

In function ‘strncpy’,
    inlined from ‘cgroup_parse_rules_file’ at api.c:798:3:
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:106:10: warning: ‘__builtin___strncpy_chk’ output may be truncated copying between 0 and 255 bytes from a string of length 255 [-Wstringop-truncation]
  106 |   return __builtin___strncpy_chk (__dest, __src, __len, __bos (__dest));
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoapi.c: Fix strncpy() truncation warning
Tom Hromatka [Tue, 27 Apr 2021 16:30:21 +0000 (16:30 +0000)] 
api.c: Fix strncpy() truncation warning

Fix the following strncpy() string truncation warning:

In function ‘strncpy’,
    inlined from ‘cgroup_parse_rules_file’ at api.c:676:3:
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:106:10: warning: ‘__builtin___strncpy_chk’ output may be truncated copying between 0 and 255 bytes from a string of length 4352 [-Wstringop-truncation]
  106 |   return __builtin___strncpy_chk (__dest, __src, __len, __bos (__dest));
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agodoc: Update github release process
Tom Hromatka [Mon, 26 Apr 2021 22:06:01 +0000 (22:06 +0000)] 
doc: Update github release process

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoUpdate version number to 2.0.rc1 v2.0.rc1
Tom Hromatka [Mon, 26 Apr 2021 21:16:26 +0000 (21:16 +0000)] 
Update version number to 2.0.rc1

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoMerge pull request #40 from drakenclimber/issues/38
Tom Hromatka [Mon, 19 Apr 2021 14:43:21 +0000 (08:43 -0600)] 
Merge pull request #40 from drakenclimber/issues/38

cgget: Fix segfault when no flags provided

4 years agocgget: Fix segfault when no flags provided 40/head
Tom Hromatka [Wed, 14 Apr 2021 16:02:44 +0000 (10:02 -0600)] 
cgget: Fix segfault when no flags provided

Fix a segmentation fault when cgget is invoked in the
following form:
cgget CroupName

parse_opt_args() was erroneously expecting a previously
populated struct cgroup in this case, and we were indexing
out of bounds of the cg_list.

Fixes: 1b7d606fa12a ("cgget: Major refactor")
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoMerge pull request #39 from drakenclimber/issues/fixwarnings
Tom Hromatka [Thu, 15 Apr 2021 20:42:02 +0000 (14:42 -0600)] 
Merge pull request #39 from drakenclimber/issues/fixwarnings

Fix compiler warnings

4 years agogithub: Convert all compiler warnings to errors 39/head
Tom Hromatka [Mon, 12 Apr 2021 15:51:12 +0000 (09:51 -0600)] 
github: Convert all compiler warnings to errors

For the continuous integration in Github Actions, convert
all compiler warnings to errors.

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agowrapper.c: Fix fprintf argument warning
Tom Hromatka [Mon, 12 Apr 2021 15:25:00 +0000 (09:25 -0600)] 
wrapper.c: Fix fprintf argument warning

Fix a warning in cgroup_add_value_string() where '%d' was
being passed to fprintf when it should have been using '%ld'.

wrapper.c: In function ‘cgroup_add_value_string’:
wrapper.c:207:51: warning: format ‘%d’ expects argument of type ‘int’,
but argument 3 has type ‘long unsigned int’ [-Wformat=]
  207 |    fprintf(stderr, "value exceeds the maximum of %d
      characters\n",
      |                                                  ~^
      |                                                   |
      |                                                   int
      |                                                  %ld
  208 |     sizeof(cntl_value->value) - 1);
      |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |     |
      |     long unsigned int

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoapi.c: Fix string truncation warnings
Tom Hromatka [Mon, 12 Apr 2021 15:18:56 +0000 (09:18 -0600)] 
api.c: Fix string truncation warnings

Fix two snprintf string truncation warnings in
cg_build_path_locked().

api.c:1475:38: warning: ‘snprintf’ output may be truncated before the
last format character [-Wformat-truncation=]
 1475 |     snprintf(path, FILENAME_MAX, "%s/",
      |                                      ^
api.c:1475:5: note: ‘snprintf’ output between 2 and 4097 bytes into a
destination of size 4096
 1475 |     snprintf(path, FILENAME_MAX, "%s/",
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 1476 |       cg_mount_table[i].mount.path);
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
api.c:1470:40: warning: ‘/’ directive output may be truncated writing 1
byte into a region of size between 0 and 4095 [-Wformat-truncation=]
 1470 |     snprintf(path, FILENAME_MAX, "%s/%s/",
      |                                        ^
api.c:1470:5: note: ‘snprintf’ output 3 or more bytes (assuming 4098)
into a destination of size 4096
 1470 |     snprintf(path, FILENAME_MAX, "%s/%s/",
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 1471 |       cg_mount_table[i].mount.path,
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 1472 |       cg_namespace_table[i]);
      |       ~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoapi.c: Fix incompatible pointer warning
Tom Hromatka [Mon, 12 Apr 2021 14:39:43 +0000 (08:39 -0600)] 
api.c: Fix incompatible pointer warning

Fix the following incompatible pointer warning:

api.c: In function ‘cgroup_delete_cgroup_ext’:
api.c:2888:24: warning: passing argument 4 of
‘cgroup_build_tasks_procs_path’ from incompatible pointer type
[-Wincompatible-pointer-types]
 2888 |      cgroup->controller[i]);
      |      ~~~~~~~~~~~~~~~~~~^~~
      |                        |
      |                        struct cgroup_controller *

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoconfigure: Rename configure.in to configure.ac
Tom Hromatka [Mon, 12 Apr 2021 14:27:57 +0000 (08:27 -0600)] 
configure: Rename configure.in to configure.ac

Fix automake warning that configure.in should be named
configure.ac.

automake: warning: autoconf input should be named 'configure.ac', not 'configure.in'

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoMerge pull request #37 from drakenclimber/issues/lssubsys
Tom Hromatka [Thu, 8 Apr 2021 16:50:49 +0000 (10:50 -0600)] 
Merge pull request #37 from drakenclimber/issues/lssubsys

Add cgroup v2 support to lssubsys

4 years agolssubsys: Add cgroup v2 support 36/head 37/head
Tom Hromatka [Wed, 24 Mar 2021 16:38:22 +0000 (10:38 -0600)] 
lssubsys: Add cgroup v2 support

Ignore a hierarchy value of zero for cgroup v2 controllers.
This change adds minimal cgroup v2 support to lssubsys.

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoMerge pull request #35 from drakenclimber/issues/fixcgset
Tom Hromatka [Mon, 5 Apr 2021 15:21:05 +0000 (09:21 -0600)] 
Merge pull request #35 from drakenclimber/issues/fixcgset

Fix issue where cgset can't handle '=' in the value

4 years agocgset: Declare parse_r_flag() as STATIC 35/head
Tom Hromatka [Wed, 31 Mar 2021 16:55:51 +0000 (16:55 +0000)] 
cgset: Declare parse_r_flag() as STATIC

Declare parse_r_flag() as STATIC so that it can be
unit tested.

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agotools: Create a cgset library for testing purposes
Tom Hromatka [Wed, 31 Mar 2021 16:44:11 +0000 (16:44 +0000)] 
tools: Create a cgset library for testing purposes

Create libcgset.la so that functions within cgset can be
unit tested.

A functional test would be preferable in this case, but I'm
looking to test a very specific scenario - where there's an
'=' sign in the value of a setting's name/value pair.  To the
best of my knowledge, only the rdma (v1) and io (v2)
controllers have settings that utilize an '=' in such a fashion.
I can't think of an easy way to test rdma across our test fleet,
and our automated systems don't support the v2 io controller
yet.  Thus a unit test for now.

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agocgset: Fix parsing of name/values with an '=' in the value
Tom Hromatka [Tue, 30 Mar 2021 18:54:06 +0000 (18:54 +0000)] 
cgset: Fix parsing of name/values with an '=' in the value

Fix parsing of name/value pairs that contain an '='
character in the value string.  For example, the io.max
setting utilizes the '=' character:
cgset -r io.max="8:16 wbps=1024" foo

Fixes: https://github.com/libcgroup/libcgroup/issues/33
Reported-by: Santiago Ruano Rincón <santiago.ruano-rincon@imt-atlantique.fr>
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agocgset: Refactor parsing of the '-r' flag
Tom Hromatka [Tue, 30 Mar 2021 18:40:11 +0000 (18:40 +0000)] 
cgset: Refactor parsing of the '-r' flag

Refactor parsing of the '-r' flag into its own function.
This is intended to be a nonfunctional change.

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoMerge pull request #34 from drakenclimber/issues/cgclear2
Tom Hromatka [Fri, 2 Apr 2021 17:30:10 +0000 (11:30 -0600)] 
Merge pull request #34 from drakenclimber/issues/cgclear2

Add cgroup v2 support to cgclear

4 years agoMerge pull request #32 from drakenclimber/issues/remove-libs
Tom Hromatka [Tue, 30 Mar 2021 14:11:59 +0000 (08:11 -0600)] 
Merge pull request #32 from drakenclimber/issues/remove-libs

build: Remove .libs from Makefile.am files.

4 years agobuild: Remove .libs from Makefile.am files. 32/head
Tom Hromatka [Tue, 30 Mar 2021 14:01:31 +0000 (08:01 -0600)] 
build: Remove .libs from Makefile.am files.

Remove .libs from Makefile.am files.  Suggested by
github user @orbea.

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agogithub: Run the cgclear functional test last 34/head
Tom Hromatka [Tue, 23 Mar 2021 16:18:04 +0000 (16:18 +0000)] 
github: Run the cgclear functional test last

Run the cgclear functional test last since it is destructive to the
cgroup hierarchy.  Note that this test is automatically skipped by
'make check'.

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agobootstrap: github: Ignore systemd hierarchy
Tom Hromatka [Mon, 29 Mar 2021 16:46:52 +0000 (16:46 +0000)] 
bootstrap: github: Ignore systemd hierarchy

Ignore the "name=systemd" hierarchy by setting the autoconf
--enable-opaque-hierarchy flag equal to "name=systemd".  This
instructs libcgroup to ignore mounts named "name=systemd" and
thus these mounts aren't added to the cg_mount_table[].

Suggested-by: Michal Koutný <mkoutny@suse.com>
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoconfig.c: Add cgroup v2 support to cgclear
Tom Hromatka [Tue, 23 Mar 2021 14:57:28 +0000 (08:57 -0600)] 
config.c: Add cgroup v2 support to cgclear

When cgclear is invoked against a cgroup v2 controller,
do not attempt to unmount the v2 controller.

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoMerge pull request #30 from drakenclimber/issues/cgset-tests
Tom Hromatka [Mon, 29 Mar 2021 14:11:05 +0000 (08:11 -0600)] 
Merge pull request #30 from drakenclimber/issues/cgset-tests

api.c: Don't fail a recursive write if value isn't dirty

4 years agoapi.c: Don't fail a recursive write if value isn't dirty 30/head
Tom Hromatka [Wed, 10 Mar 2021 18:20:24 +0000 (18:20 +0000)] 
api.c: Don't fail a recursive write if value isn't dirty

When cgroup_modify_cgroup() invokes cgroup_set_values_recursive(),
some of the settings within the cgroup may not be writable.  Avoid
failing the entire write by ignoring write failures on settings that
do not explicitly have the dirty flag set.

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agobootstrap: Use main branch of libcgroup-tests
Tom Hromatka [Mon, 1 Mar 2021 20:51:24 +0000 (13:51 -0700)] 
bootstrap: Use main branch of libcgroup-tests

The default branch of libcgroup-tests has been renamed to
main.  Utilize this branch.

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoMerge pull request #27 from drakenclimber/issues/daemoncodecov
Tom Hromatka [Mon, 1 Mar 2021 18:01:20 +0000 (11:01 -0700)] 
Merge pull request #27 from drakenclimber/issues/daemoncodecov

Makefile: Run code coverage on the daemon folder

4 years agoMakefile: Run code coverage on the daemon folder 27/head
Tom Hromatka [Mon, 22 Feb 2021 19:40:07 +0000 (19:40 +0000)] 
Makefile: Run code coverage on the daemon folder

Code coverage was not being gathered for src/daemon.
Add code coverage support for this directory.

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoMerge pull request #26 from drakenclimber/issues/cgget-refactor2
Tom Hromatka [Mon, 1 Mar 2021 17:44:05 +0000 (10:44 -0700)] 
Merge pull request #26 from drakenclimber/issues/cgget-refactor2

Refactor cgget

4 years agocgget: Major refactor 26/head
Tom Hromatka [Wed, 10 Feb 2021 17:25:10 +0000 (17:25 +0000)] 
cgget: Major refactor

Previously cgget used data structures unlike anywhere else
within libcgroup.  cgget had arrays of strings to hold the
list of controllers, settings, and values.

Update cgget to utilize struct cgroup and struct
cgroup_controller.

This patch is intended to have no functional changes.

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agowrapper.c: Add support for empty values in cgroup_add_value_string()
Tom Hromatka [Mon, 8 Feb 2021 23:05:24 +0000 (16:05 -0700)] 
wrapper.c: Add support for empty values in cgroup_add_value_string()

cgroup_add_value_string() is the fundamental building block
for adding a name/value pair to a cgroup_controller struct.
Add support for a NULL value field.

Currently it only supports adding a valid value, but in a
subsequent commit, cgget will utilize this function to build
up a hierarchy of cgroups, controllers, and setting names.
The values are NULL at the time the struct are populated and
will be read from sysfs at a later time.

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoapi.c: Expose cgroup_test_subsys_mounted() to users of libcgroup.la
Tom Hromatka [Wed, 10 Feb 2021 17:21:23 +0000 (17:21 +0000)] 
api.c: Expose cgroup_test_subsys_mounted() to users of libcgroup.la

Remove the static qualifier from cgroup_test_subsys_mounted().  As
part of the cgget refactor, cgget will utilize this function.

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoapi.c: Expose cgroup_fill_cgc() to users of libcgroup.la
Tom Hromatka [Mon, 8 Feb 2021 22:58:44 +0000 (15:58 -0700)] 
api.c: Expose cgroup_fill_cgc() to users of libcgroup.la

Remove the static qualifier from cgroup_fill_cgc().  As part
of the cgget refactor, cgget will utilize this function.

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoapi: Expose cg_build_path_locked() to users of libcgroup.la
Tom Hromatka [Mon, 8 Feb 2021 22:48:54 +0000 (15:48 -0700)] 
api: Expose cg_build_path_locked() to users of libcgroup.la

Remove the static qualifier from cg_build_path_locked().  As part
of the cgget refactor, cgget will utilize this function.

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoMerge pull request #25 from drakenclimber/issues/nocontainer
Tom Hromatka [Mon, 1 Mar 2021 16:27:57 +0000 (09:27 -0700)] 
Merge pull request #25 from drakenclimber/issues/nocontainer

Run tests outside of a container

4 years agogithub: Log the results of the non-containerized tests 25/head
Tom Hromatka [Mon, 1 Mar 2021 16:17:46 +0000 (16:17 +0000)] 
github: Log the results of the non-containerized tests

Log the results of the non-containerized tests.  The
non-containerized tests will be automatically invoked
by `make check`.

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoMerge pull request #23 from drakenclimber/issues/21
Tom Hromatka [Thu, 25 Feb 2021 15:19:46 +0000 (08:19 -0700)] 
Merge pull request #23 from drakenclimber/issues/21

api.c: Fix erroneous error handling in cgroup_set_values_recursive()

4 years agoapi.c: Fix erroneous error handling in cgroup_set_values_recursive() 23/head
Tom Hromatka [Tue, 23 Feb 2021 20:47:38 +0000 (13:47 -0700)] 
api.c: Fix erroneous error handling in cgroup_set_values_recursive()

Ignore the positive length returned by asprintf() and only act
upon the error code returned from cg_set_control_value().  Previously
cgroup_set_values_recursive() mishandled the error handling when
the value's dirty flag was set.

Reported-by: Bharani viswas <bharani.viswas@gmail.com>
Fixes: 092e4aeb0416f ("api.c: Refactor duplicate logic in cgroup modify and create")
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agogithub: Always display test logs
Tom Hromatka [Wed, 23 Dec 2020 18:12:39 +0000 (11:12 -0700)] 
github: Always display test logs

Always display the test logs in the github actions
GUI.

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoMerge pull request #19 from drakenclimber/issues/cgsnapshot2
Tom Hromatka [Wed, 23 Dec 2020 15:23:17 +0000 (08:23 -0700)] 
Merge pull request #19 from drakenclimber/issues/cgsnapshot2

Add support for cgroup v2 cgsnapshot

4 years agocgsnapshot: Replace hardcoded "tasks" file 19/head
Tom Hromatka [Thu, 17 Dec 2020 18:39:11 +0000 (11:39 -0700)] 
cgsnapshot: Replace hardcoded "tasks" file

Replace the hardcoded building of the tasks path in
cgsnapshot with a call to cgroup_build_tasks_procs_path().
By calling cgroup_build_tasks_procs_path(), cgsnapshot
now supports both cgroup v1 and cgroup v2.

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
Reviewed-by: Dhaval Giani <dhaval.giani@oracle.com>
4 years agoapi.c: Export cgroup_build_tasks_procs_path()
Tom Hromatka [Thu, 17 Dec 2020 18:38:52 +0000 (11:38 -0700)] 
api.c: Export cgroup_build_tasks_procs_path()

Make cgroup_build_tasks_procs_path() available to
libcgroup.la library users (i.e. the libcgroup tools).

This change will be used in the next commit so that
cgsnapshot can properly read the tasks/procs file.

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
Reviewed-by: Dhaval Giani <dhaval.giani@oracle.com>
4 years agogithub: Display ftests.sh.log in the CI GUI
Tom Hromatka [Thu, 17 Dec 2020 18:24:13 +0000 (11:24 -0700)] 
github: Display ftests.sh.log in the CI GUI

Now that we invoke ftests.sh in the functional tests'
Makefile.am, test-suite.log isn't that useful.  Display
ftests.sh.log in the Github Actions GUI since
ftests.sh.log contains pass/fail info for each test.

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoMerge pull request #18 from drakenclimber/issues/betterlogs
Tom Hromatka [Thu, 17 Dec 2020 15:50:12 +0000 (08:50 -0700)] 
Merge pull request #18 from drakenclimber/issues/betterlogs

github: Improve logging and reporting

4 years agogithub: Improve logging and reporting 18/head
Tom Hromatka [Thu, 17 Dec 2020 15:03:32 +0000 (08:03 -0700)] 
github: Improve logging and reporting

Display the high-level log, test-suite.log, in
the github work for all jobs.  Also, archive the
functional test logs to facilitate debugging a
failed run.

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoREADME.md: Update the coveralls badge
Tom Hromatka [Tue, 15 Dec 2020 22:11:01 +0000 (15:11 -0700)] 
README.md: Update the coveralls badge

The coveralls.io badge wasn't consistently updating
after a successful run.  Remove the "?branch=master"
parameter and switch to using a png rather than an
svg.

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
4 years agoMerge pull request #17 from drakenclimber/issues/github_actions
Tom Hromatka [Tue, 15 Dec 2020 21:01:14 +0000 (14:01 -0700)] 
Merge pull request #17 from drakenclimber/issues/github_actions

Transition from Travis CI to Github Actions