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HAL-LOCK(1)                                                        HAL-LOCK(1)

       hal-lock - lock an interface

       hal-lock [options]

       hal-lock can be used to acquire a lock on a given interface either on a
       given device or globally. For more information about both the big  pic-
       ture and the semantics of HAL locks, refer to the HAL spec which can be
       found in  /usr/share/doc/packages/hal/spec/hal-spec.html  depending  on
       the distribution.

       The following options are supported:

              The name of the interface to lock.

       --run  Program to run if the lock was acquired.

       --udi  The UDI (Unique Device Identifier) of the device object. If this
              is ommitted, the global lock will be tried.

              Whether the lock can be held by others.

              Kill the program if the acquired lock is lost. This  only  makes
              sense  if  you  pass  a specific UDI due to the semantics of HAL

              Kill the program if the device is removed. This only makes sense
              if you pass a specific UDI due to the semantics of HAL locks.

       --help Print out usage.

              Print the version.

       This program will attempt to grab a lock on a given interface.  Unless,
       a specific UDI is given, the global lock will be tried.   If  the  lock
       was succesfully acquired the program specified by the option --run will
       be run and upon termination this program will exit with exit code 0. If
       the  lock  wasn't  acquired  or an error occured while taking the lock,
       this program will exit with a non-zero exit code and the given  program
       will not be run.

       This program is only useful for launching software that doesn't use HAL
       at all (since such software launched using hal-lock would be locked out
       itself);  for example a partition table editor part-foo may use wrapper
       script like this

       hal-lock  --interface  org.freedesktop.Hal.Device.Storage   --exclusive
       --run /path/to/part-foo-program

       Please  send  bug reports to either the distribution or the HAL mailing
       list, see http://lists.freedesktop.org/mailman/listinfo/hal on  how  to

       hald(8),  lshal(1), hal-get-property(1), hal-set-property(1), hal-find-
       by-property(1), hal-find-by-capability(1)

       Written by David Zeuthen <david@fubar.dk> with a lot of help from  many


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Quelle: http://www.trinler.net/de/service/doc/linux/man.html?command=hal-lock
Gedruckt am: 15.12.2017 07:08 GMT+0100 (2017-12-15T07:08:19+01:00)