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gnupg: Dirmngr Signals

 
 3.4 Use of signals
 ==================
 
 A running 'dirmngr' may be controlled by signals, i.e.  using the 'kill'
 command to send a signal to the process.
 
    Here is a list of supported signals:
 
 'SIGHUP'
      This signal flushes all internally cached CRLs as well as any
      cached certificates.  Then the certificate cache is reinitialized
      as on startup.  Options are re-read from the configuration file.
      Instead of sending this signal it is better to use
           gpgconf --reload dirmngr
 
 'SIGTERM'
      Shuts down the process but waits until all current requests are
      fulfilled.  If the process has received 3 of these signals and
      requests are still pending, a shutdown is forced.  You may also use
           gpgconf --kill dirmngr
      instead of this signal
 
 'SIGINT'
      Shuts down the process immediately.
 
 'SIGUSR1'
      This prints some caching statistics to the log file.
 

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