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that way we can be sure that there's no expiry timeout in place at any time
when we aren't in the RUNNING state.
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Port the progagation logic to the generic Unit->trigger_notify() callback logic
in the unit vtable, that is called for a unit not only when the triggered unit
of it changes state but also when a job for that unit finishes. This, firstly
allows us to make the code a bit cleaner and more generic, but more
importantly, allows us to notice correctly when a mount job fails, and
propagate that back to autofs client processes.
Fixes: #2181
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job for the service queued
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We already did this for the [Mount] section, let's do the same for [Automount].
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Also, fix indentation.
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And let's make it more accurate: if we have acquire the list of unit drop-ins,
then let's do a full comparison against the old list we already have, and if
things differ in any way, we know we have to reload.
This makes sure we detect changes to drop-in directories in more cases.
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This fixes fall-out from 6d10d308c6cd16528ef58fa4f5822aef936862d3.
Until that commit, do determine whether a daemon reload was required we compare
the mtime of the main unit file we loaded with the mtime of it on disk for
equality, but for drop-ins we only stored the newest mtime of all of them and
then did a "newer-than" comparison. This was brokeni with the above commit,
when all checks where changed to be for equality.
With this change all checks are now done as "newer-than", fixing the drop-in
mtime case. Strictly speaking this will not detect a number of changes that the
code before above commit detected, but given that the mtime is unlikely to go
backwards, and this is just intended to be a helpful hint anyway, this looks OK
in order to keep things simple.
Fixes: #3123
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Let's move the enforcement of the per-unit start limit from unit.c into the
type-specific files again. For unit types that know a concept of "result" codes
this allows us to hook up the start limit condition to it with an explicit
result code. Also, this makes sure that the state checks in clal like
service_start() may be done before the start limit is checked, as the start
limit really should be checked last, right before everything has been verified
to be in order.
The generic start limit logic is left in unit.c, but the invocation of it is
moved into the per-type files, in the various xyz_start() functions, so that
they may place the check at the right location.
Note that this change drops the enforcement entirely from device, slice, target
and scope units, since these unit types generally may not fail activation, or
may only be activated a single time. This is also documented now.
Note that restores the "start-limit-hit" result code that existed before
6bf0f408e4833152197fb38fb10a9989c89f3a59 already in the service code. However,
it's not introduced for all units that have a result code concept.
Fixes #3166.
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This is hardly useful, it's trivial for developers to get that info by running
cat /proc/cpuinfo.
Fixes #3155
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Refuse aliases to non-aliasable units in more places
Fixes #2730.
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Add nios2 architecture support. The nios2 is a softcore by Altera.
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Assorted fixes #3149 + one commit tacked on top
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If the user defines a symlink alias for a unit whose type does not support
aliasing, detect this early and print a nice warning.
Fixe: #2730
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Hashing should be quicker than allocating, hence let's first check if the
string already exists and only then allocate a new copy for it.
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The concept of merging units exists so that we can create Unit objects for a
number of names early, and then load them only later, possibly merging units
which then turn out to be symlinked to other names. This of course only makes
sense for unit types where multiple names per unit are supported. For all
others, let's refuse the merge operation early.
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We always call one after the other anyway, and this way service_set_socket_fd()
and service_close_socket_fd() nicely match each other as one undoes the effect
of the other.
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Let's make sure when we drop a reference to a unit, that we run the GC queue on
it again.
This (together with the previous commit) should deal with the GC issues pointed
out in:
https://github.com/systemd/systemd/pull/2993#issuecomment-215331189
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There's no need to set the no_gc bit for service units that socket units
prepare, as we always keep a proper reference (as maintained by unit_ref_set())
on them, and such references are honoured by the GC logic anyway. Moreover,
explicitly setting the no_gc bit is problematic if the socket gets GC'ed for a
reason, as the service might then leak with the bit set.
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per-connection service
Fixes: #2993 #2691
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In service_set_socket_fd(), let's make sure that if we can't add the requested
dependencies we take no possession of the passed connection fd.
This way, we follow the strict rule: we take possession of the passed fd on
success, but on failure we don't, and the fd remains in possession of the
caller.
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We generally follow the rule that for time settings we suffix the setting name
with "Sec" to indicate the default unit if none is specified. The only
exception was the rate limiting interval settings. Fix this, and keep the old
names for compatibility.
Do the same for journald's RateLimitInterval= setting
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With #2564 unit start rate limiting was moved from after the condition checks
are to before they are made, in an attempt to fix #2467. This however resulted
in #2684. However, with a previous commit a concept of per socket unit trigger
rate limiting has been added, to fix #2467 more comprehensively, hence the
start limit can be moved after the condition checks again, thus fixing #2684.
Fixes: #2684
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This adds two new settings TriggerLimitIntervalSec= and TriggerLimitBurst= that
define a rate limit for activation of socket units. When the limit is hit, the
socket is is put into a failure mode. This is an alternative fix for #2467,
since the original fix resulted in issue #2684.
In a later commit the StartLimitInterval=/StartLimitBurst= rate limiter will be
changed to be applied after any start conditions checks are made. This way,
there are two separate rate limiters enforced: one at triggering time, before
any jobs are queued with this patch, as well as the start limit that is moved
again to be run immediately before the unit is activated. Condition checks are
done in between the two, and thus no longer affect the start limit.
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In 4.2 kernel headers, some netlink defines are missing that we need. missing.h
already can add them in, but currently makes this dependent on a definition
that these kernels already have. Change the check hence to check for the newest
definition in the table, so that the whole bunch of definitions as added in on
all kernels lacking this.
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~ suffix works fine, but looks to much like it the file is supposed to be
automatically cleaned up. For new versions of configuration files installers
might want to using something that looks more permanent like foobar.new.
So let's add treat ".old" and ".new" as special.
Update test to match.
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This commit improves systemd performance on the systems which have
thousands of units.
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fsync directory when creating or rotating journal files and other small fixes,
most importantly for the DHCP DUID code.
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That's a total no-no, hence rework this to use malloc()-based memory instead of
alloca()-based memory.
Also see CODING_STYLE about this.
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We previously would fail with EOPNOTSUPP when encountering an AF_UNIX socket in
the directory tree to copy. Fix that, and copy them too (even if they are dead
in the result).
Fixes: #2914
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hidden_or_backup_file()
And let's add ".bak" as a generic suffix for backups, that people can use
without having to register their stuff in our list.
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Always create dependencies for bind mounts
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As suggested by:
https://github.com/systemd/systemd/pull/3126#discussion_r61125474
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Let's move DUID configuration into the [DHCP] section, since it only makes
sense in a DHCP context, and should be close to the configuration of
ClientIdentifier= and suchlike.
This really shouldn't be a section of its own, we don't have any for any of our
other per-protocol specific identifiers...
Follow-up for #2890 #2943
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created in too
Fixes: #2831
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On s390 size_t is an unsigned long, nor an unsigned int. They both are
of the same size and can be cast to each other safely, but the compiler
still seems unhappy about incompatible pointers.
Fixes: 7c2da2ca8
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Various small cleanups in shared code
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Fixes:
cp /etc/machine-id /var/tmp/systemd-test.HccKPa/nspawn-root/etc
systemd-nspawn -D /var/tmp/systemd-test.HccKPa/nspawn-root --link-journal host -b
...
Host and machine ids are equal (P�S!V): refusing to link journals
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Now we are not setting static address, start dhcp6 client and
discovering IPv6 routers after link gained carrier.
This fixes #2912.
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Added to kernel 4.6.
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Fixes:
$ systemd-nspawn -h
...
Failed to remove veth interface ����: Operation not permitted
This is a follow-up for d2773e59de3dd970d861
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Running cgtop on a system, which lacks expecting stat file, results in a
segfault. For example, a system with blkio tree but without cfq io scheduler,
lacks "blkio.io_service_bytes".
When the targeting cgroup's file does not exist, process() returns 0 and
also does not modify `*ret' value (which is `*ours'). As a result,
callers of refresh_one() can have bogus pointer, which result in SEGV.
This patch just properly initialize the variable to NULL.
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In standard linux parlance, "hidden" usually means that the file name starts
with ".", and nothing else. Rename the function to convey what the function does
better to casual readers.
Stop exposing hidden_file_allow_backup which is rather ugly and rewrite
hidden_file to extract the suffix first. Note that hidden_file_allow_backup
excluded files with "~" at the end, which is quite confusing. Let's get
rid of it before it gets used in the wrong place.
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dirent_is_file_with_suffix
If the file name is supposed to end in a suffix, there's not need to check the
name against a list of "special" file names, which is slow. Instead, just check
that the name doens't start with a period.
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It's better to avoid having the option string duplicated, lest we forget
to modify them in sync in the future.
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The parse_pid() function doesn't succeed if we don't zero-terminate after the
last digit in the buffer.
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