Mythshutdown
From MythTV
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Using mythshutdown to block shutdown
Mythshutdown can be used to block an automatic shutdown. Since 0.21 it is possible to call mythshutdown --lock for each script so that shutdown will remain blocked until the last script has terminated and called mythshutdown --unlock.
script.sh #!/bin/bash # Unlock if the script is terminated for any reason trap "/usr/local/bin/mythshutdown --unlock" 0 SIGHUP SIGINT SIGQUIT SIGABRT SIGKILL SIGALRM SIGSEGV SIGTERM # Lock shutdown /usr/local/bin/mythshutdown --lock # Do script stuff
