stopping(7) - phpMan

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stopping(7)                                                        stopping(7)



NAME
       stopping - event signalling that a job is stopping

SYNOPSIS
       stopping   JOB=JOB  INSTANCE=INSTANCE  RESULT=RESULT  [PROCESS=PROCESS]  [EXIT_STA-
       TUS=STATUS] [EXIT_SIGNAL=SIGNAL] [ENV]...

DESCRIPTION
       The stopping event is generated by the Upstart init(8) daemon when an instance of a
       job  begins  stopping.  The JOB environment variable contains the job name, and the
       INSTANCE environment variable contains the instance name which will  be  empty  for
       single-instance jobs.

       If the job is stopping normally, the RESULT environment variable will be ok, other-
       wise if the job is stopping because it has failed it will be failed.

       When the job has failed, the process that failed will be given in the PROCESS envi-
       ronment  variable.  This may be pre-start, post-start, main, pre-stop or post-stop;
       it may also be the special value respawn to  indicate  that  the  job  is  stopping
       because it hit the respawn limit.

       Finally  in  the case of a failed job, one of either EXIT_STATUS or EXIT_SIGNAL may
       be given to indicate the cause of the stop.  Either EXIT_STATUS  will  contain  the
       exit status code of the process, or EXIT_SIGNAL will contain the name of the signal
       that the process received.  The normal exit job configuration stanza can be used to
       prevent  particular  exit  status  values or signals resulting in a failed job, see
       init(5) for more information.

       If neither EXIT_STATUS or EXIT_SIGNAL is given for a failed process, it is  because
       the process failed to spawn (for example, file not found).  See the system logs for
       the error.

       init(8) will wait for all services started by this event to be running,  all  tasks
       started  by  this  event  to have finished and all jobs stopped by this event to be
       stopped before allowing the job to continue stopping.

       This allows jobs to depend on other jobs, safely stopping themselves  before  their
       dependency  goes  away.  This event is typically combined with the started(7) event
       by services.

       Job configuration files may use the export stanza to export  environment  variables
       from  their own environment into the stopping event.  See init(5) for more details.

EXAMPLE
       A service that wishes to depend on another service might use:

              start on started apache
              stop on stopping apache

       A task that must be run before another task or service is stopped might use:

              start on stopping postgresql RESULT=ok

SEE ALSO
       starting(7) started(7) stopped(7) init(5)



Upstart                           2009-07-09                       stopping(7)

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