When cgroup directory is created its user and ownership gets set, however
because previous code was storing getpwnam() return value the second
invocation would effectively override the previous ones result. Fix this
by copying necessary results. Also change getpwnam() to getgrnam() when
group name is converted into gid. getpwnam() works because of the way
Android uses these ids, however more generally this is incorrect and
getgrnam() should be used instead.
Bug: 111307099
Test: verified user/group membership of the cgroup directories
Change-Id: I78668bc1a36a74f53d8e9825e2d06e3e09501e7a
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
JSON supports only decimal values and therefore file mode which should
use octal values has to be represented as strings. Fix the implicit
octal-to-decimal conversion and convert from string to octal in the code.
Bug: 111307099
Test: confirmed by verifying correct file permissions
Change-Id: I3ef9de0aea259f93bf74efeffca72d37d4740e15
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Non-android targets should not mount cgroups described in cgroup map
file. When used on non-Android targets SetupCgroup will fail. When
SetupCgroup is called via SetupCgroups a warning will be generated for
each cgroup that fails to mount.
Bug: 111307099
Change-Id: I213a5f9b02f312ba1dd7dc91c89b67334fb939b9
Merged-In: I213a5f9b02f312ba1dd7dc91c89b67334fb939b9
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Abstract usage of cgroups into task profiles that allows for changes
in cgroup hierarchy and version without affecting framework codebase.
Rework current processgroup and sched_policy API function implementations
to use task profiles instead of hardcoded paths and attributes.
Mount cgroups using information from cgroups.json rather than from init.rc
Exempt-From-Owner-Approval: already approved in internal master
Bug: 111307099
Test: builds, boots
Change-Id: If5532d6dc570add825cebd5b5148e00c7d688e32
Merged-In: If5532d6dc570add825cebd5b5148e00c7d688e32
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
