X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=man%2Fsystemd.unit.xml;h=2ae986ad04b0954d757d1f05b5fc3326c60de6b3;hp=f72b947dca052ffefc7fe99d0eb344638a9b829d;hb=f1dd0c3f9b4a257e81ff9c6a08070c702a0db45a;hpb=9fc507041eb524799a0410839e961ec188a78491 diff --git a/man/systemd.unit.xml b/man/systemd.unit.xml index f72b947dc..2ae986ad0 100644 --- a/man/systemd.unit.xml +++ b/man/systemd.unit.xml @@ -139,7 +139,10 @@ with the enable command of the systemctl1 tool which reads information from the [Install] - section of unit files. (See below.) + section of unit files. (See below.) A similar + functionality exists for Requires= + type dependencies as well, the directory suffix is + .requires/ in this case. Note that while systemd offers a flexible dependency system between units it is recommended to @@ -281,7 +284,6 @@ services. - RequiresOverridable= @@ -340,6 +342,23 @@ details see above. + + BindTo= + + Configures requirement + dependencies, very similar in style to + Requires=, however + in addition to this behaviour it also + declares that this unit is stopped + when any of the units listed suddenly + disappears. Units can suddenly, + unexpectedly disappear if a service + terminates on its own choice, a device + is unplugged or a mount point + unmounted without involvement of + systemd. + + Conflicts= @@ -440,26 +459,6 @@ state. - - RecursiveStop= - - Takes a boolean - argument. If and - the unit stops without being requested - by the user, all units - depending on it will be stopped as - well. (e.g. if a service exits or - crashes on its own behalf, units using - it will be stopped) Note that normally - if a unit stops without a user request, - units depending on it will not be - terminated. Only if the user requested - shutdown of a unit, all units depending - on that unit will be shut down as well - and at the same time. Defaults to - . - - StopWhenUnneeded= @@ -547,20 +546,6 @@ ones. - - IgnoreDependencyFailure= - - Takes a boolean - argument. If and - a requirement dependency of this unit - fails to start up this unit will be - started nonetheless, ignoring that - failure. If - (the default) and a dependency unit - fails the unit will immediately fail - too and the job is removed. - - JobTimeoutSec= @@ -591,7 +576,10 @@ ConditionPathExists= + ConditionDirectoryNotEmpty= ConditionKernelCommandLine= + ConditionVirtualization= + ConditionNull= Before starting a unit verify that the specified condition is @@ -611,25 +599,66 @@ is prefixed with an exclamation mark (!), the test is negated, and the unit only started if the path does not - exist. Similarly + exist. ConditionDirectoryNotEmpty= + is similar to + ConditionPathExists= + but verifies whether a certain path is + exists and is a non-empty + directory. Similarly ConditionKernelCommandLine= may be used to check whether a specific kernel command line option is set (or if prefixed with the exclamation mark unset). The argument must either be a single word, or an - assignment (i.e. two words, seperated + assignment (i.e. two words, separated by the equality sign). In the former - case the kernel command line is search - for the word appearing as is, or as - left hand side of an assignment. In - the latter case the exact assignment - is looked for with right and left hand - side matching. If multiple conditions - are specified the unit will be - executed iff at least one of them - apply (i.e. a logical OR is - applied). + case the kernel command line is + searched for the word appearing as is, + or as left hand side of an + assignment. In the latter case the + exact assignment is looked for with + right and left hand side + matching. ConditionVirtualization= + may be used to check whether the + system is executed in a virtualized + environment and optionally test + whether it is a specific + implementation. Takes either boolean + value to check if being executed in + any virtual environment or one of the + qemu, + kvm, + vmware, + microsoft, + oracle, + xen, + openvz to test + against a specific implementation. The + test may be negated by prepending an + exclamation mark. Finally, + ConditionNull= may + be used to add a constant condition + check value to the unit. It takes a + boolean argument. If set to + false the condition + will always fail, otherwise + succeed. If multiple conditions are + specified the unit will be executed if + all of them apply (i.e. a logical AND + is applied). Condition checks can be + prefixed with a pipe symbol (|) in + which case a condition becomes a + triggering condition. If at least one + triggering condition is defined for a + unit then the unit will be executed if + at least one of the triggering + conditions apply and all of the + non-triggering conditions. If you + prefix an argument with the pipe + symbol and an exclamation mark the + pipe symbol must be passed first, the + exclamation second.