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Commit Graph

22 Commits

Author SHA1 Message Date
Michal Schmidt
23bbb0de4e treewide: more log_*_errno + return simplifications 2014-11-28 18:24:30 +01:00
Michal Schmidt
da927ba997 treewide: no need to negate errno for log_*_errno()
It corrrectly handles both positive and negative errno values.
2014-11-28 13:29:21 +01:00
Michal Schmidt
0a1beeb642 treewide: auto-convert the simple cases to log_*_errno()
As a followup to 086891e5c1 "log: add an "error" parameter to all
low-level logging calls and intrdouce log_error_errno() as log calls
that take error numbers", use sed to convert the simple cases to use
the new macros:

find . -name '*.[ch]' | xargs sed -r -i -e \
's/log_(debug|info|notice|warning|error|emergency)\("(.*)%s"(.*), strerror\(-([a-zA-Z_]+)\)\);/log_\1_errno(-\4, "\2%m"\3);/'

Multi-line log_*() invocations are not covered.
And we also should add log_unit_*_errno().
2014-11-28 12:04:41 +01:00
Lennart Poettering
79008bddf6 log: rearrange log function naming
- Rename log_meta() → log_internal(), to follow naming scheme of most
  other log functions that are usually invoked through macros, but never
  directly.

- Rename log_info_object() to log_object_info(), simply because the
  object should be before any other parameters, to follow OO-style
  programming style.
2014-11-27 22:05:24 +01:00
Umut Tezduyar Lindskog
db2cb23b5b core: send sigabrt on watchdog timeout to get the stacktrace
if sigabrt doesn't do the job, follow regular shutdown
routine, sigterm > sigkill.
2014-10-28 17:37:39 +01:00
Lennart Poettering
6a0f1f6d5a sd-event: rework API to support CLOCK_REALTIME_ALARM and CLOCK_BOOTTIME_ALARM, too 2014-03-24 02:58:41 +01:00
Lennart Poettering
598459ceba core: rework context initialization/destruction logic
Let's automatically initialize the kill, exec and cgroup contexts of the
various unit types when the object is constructed, instead of
invididually in type-specific code.

Also, when PrivateDevices= is set, set DevicePolicy= to closed.
2014-03-19 21:06:53 +01:00
Lennart Poettering
085afe36cb core: add global settings for enabling CPUAccounting=, MemoryAccounting=, BlockIOAccounting= for all units at once 2014-02-24 23:50:10 +01:00
Lennart Poettering
151b9b9662 api: in constructor function calls, always put the returned object pointer first (or second)
Previously the returned object of constructor functions where sometimes
returned as last, sometimes as first and sometimes as second parameter.
Let's clean this up a bit. Here are the new rules:

1. The object the new object is derived from is put first, if there is any

2. The object we are creating will be returned in the next arguments

3. This is followed by any additional arguments

Rationale:

For functions that operate on an object we always put that object first.
Constructors should probably not be too different in this regard. Also,
if the additional parameters might want to use varargs which suggests to
put them last.

Note that this new scheme only applies to constructor functions, not to
all other functions. We do give a lot of freedom for those.

Note that this commit only changes the order of the new functions we
added, for old ones we accept the wrong order and leave it like that.
2014-02-20 00:03:10 +01:00
Lennart Poettering
a911bb9ab2 core: watch SIGCHLD more closely to track processes of units with no reliable cgroup empty notifier
When a process dies that we can associate with a specific unit, start
watching all other processes of that unit, so that we can associate
those processes with the unit too.

Also, for service units start doing this as soon as we get the first
SIGCHLD for either control or main process, so that we can follow the
processes of the service from one to the other, as long as process that
remain are processes of the ones we watched that died and got reassigned
to us as parent.

Similar, for scope units start doing this as soon as the scope
controller abandons the unit, and thus management entirely reverts to
systemd. To abandon a unit introduce a new Abandon() scope unit method
call.
2014-02-07 15:14:36 +01:00
Lennart Poettering
2d4a39e759 core: introduce new stop protocol for unit scopes
By specifiy a Controller property when creating the scope a client can
specify a bus name that will be notified with a RequestStop bus signal
when the scope has been asked to shut down, instead of sending SIGTERM
to the scope processes themselves.

https://bugzilla.redhat.com/show_bug.cgi?id=1032695
2014-01-31 17:48:36 +01:00
Lennart Poettering
ac84d1fb5a core: make sure to always go through both SIGTERM and SIGKILL states of units
Given that we now have KillMode=mixed where SIGTERM might kill a smaller
set than SIGKILL we need to make sure to always go explicitly throught
the SIGKILL state to get the right end result.
2014-01-29 17:46:47 +01:00
Zbigniew Jędrzejewski-Szmek
68db7a3bd9 core: add function to tell when job will time out
Things will continue when either the job timeout
or the unit timeout is reached. Add functionality to
access that info.
2014-01-27 01:23:16 -05:00
Lennart Poettering
aec8de63b1 core: no need to list properties for PropertiesChanged messages anymore
Since the vtable includes this information anyway, let's just use that
2013-12-22 03:50:52 +01:00
Lennart Poettering
718db96199 core: convert PID 1 to libsystemd-bus
This patch converts PID 1 to libsystemd-bus and thus drops the
dependency on libdbus. The only remaining code using libdbus is a test
case that validates our bus marshalling against libdbus' marshalling,
and this dependency can be turned off.

This patch also adds a couple of things to libsystem-bus, that are
necessary to make the port work:

- Synthesizing of "Disconnected" messages when bus connections are
  severed.

- Support for attaching multiple vtables for the same interface on the
  same path.

This patch also fixes the SetDefaultTarget() and GetDefaultTarget() bus
calls which used an inappropriate signature.

As a side effect we will now generate PropertiesChanged messages which
carry property contents, rather than just invalidation information.
2013-11-20 20:52:36 +01:00
Oleksii Shevchuk
1f19a534ea Configurable Timeouts/Restarts default values
https://bugs.freedesktop.org/show_bug.cgi?id=71132

Patch adds DefaultTimeoutStartSec, DefaultTimeoutStopSec, DefaultRestartSec
configuration options to manager configuration file.
2013-11-05 19:57:22 +01:00
Lennart Poettering
13b84ec7df cgroup: if we do a cgroup operation then do something on all supported controllers
Previously we did operations like attach, trim or migrate only on the
controllers that were enabled for a specific unit. With this changes we
will now do them for all supproted controllers, and fall back to all
possible prefix paths if the specified paths do not exist.

This fixes issues if a controller is being disabled for a unit where it
was previously enabled, and makes sure that all processes stay as "far
down" the tree as groups exist.
2013-09-25 03:38:17 +02:00
Lennart Poettering
7b617155b5 core: failed scope units may not be restarted
We don't allow reusing of scopes.
2013-09-11 19:28:28 +02:00
Lennart Poettering
0c5778a26b scope: don't require an initialized PIDs set when deserializing
When a scope unit is created due to deserialization rather than client
request don't enforce that the PIDs set must be non-empty, since the
cgroup is already populated.
2013-07-10 23:41:03 +02:00
Lennart Poettering
358712f3de scope: fix state string table 2013-07-02 01:48:55 +02:00
Lennart Poettering
8bcca7e201 scope: implement reset-failed command 2013-07-02 01:48:55 +02:00
Lennart Poettering
6c12b52e19 core: add new "scope" unit type for making a unit of pre-existing processes
"Scope" units are very much like service units, however with the
difference that they are created from pre-existing processes, rather
than processes that systemd itself forks off. This means they are
generated programmatically via the bus API as transient units rather
than from static configuration read from disk. Also, they do not provide
execution-time parameters, as at the time systemd adds the processes to
the scope unit they already exist and the parameters cannot be applied
anymore.

The primary benefit of this new unit type is to create arbitrary cgroups
for worker-processes forked off an existing service.

This commit also adds a a new mode to "systemd-run" to run the specified
processes in a scope rather then a transient service.
2013-07-01 00:18:00 +02:00