[kernel] Increase size of max UNIX socket name to 20 #2542
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Fixes #2541. The max size of a UNIX socket (string) name was previously decreased from 110 bytes to 16, saving lots of usually unused kernel data space, since 16 UNIX sockets are statically allocated. This increases it to 20.
When
screenstarts up, it used to create a UNIX socket with the name /root/screen/tty1.scr, which was failing inconnect. The name has been shorted to /root/scr/tty1.scr, which fits within the 20 bytes now allowed.