Cleanup and exit on SIGCHLD #3
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The tty file descripter doesn't close on Nerves so nbtty doesn't exit. This change handles SIGCHLD so that if the child dies, nbtty goes away as well. Additional cleanup was added to reduce noise with erlinit messages.
mobileoverlord
approved these changes
Jul 5, 2018
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This fixes an issue where nbtty would never exit even when Erlang exited. This only appears to happen on Nerves. On desktop Linux, the tty appears to get closed before SIGCHLD is handled so this code is unnecessary there.