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A running gpg-agent
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 cached passphrases and if the program has been
started with a configuration file, the configuration file is read
again. Only certain options are honored: quiet
,
verbose
, debug
, debug-all
, debug-level
,
no-grab
, pinentry-program
, default-cache-ttl
,
max-cache-ttl
, ignore-cache-for-signing
,
no-allow-external-cache
,
allow-mark-trusted
, disable-scdaemon
, and
disable-check-own-socket
. scdaemon-program
is also
supported but due to the current implementation, which calls the
scdaemon only once, it is not of much use unless you manually kill the
scdaemon.
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.
SIGINT
Shuts down the process immediately.
SIGUSR1
Dump internal information to the log file.
SIGUSR2
This signal is used for internal purposes.