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Diffstat (limited to 'tsak/README')
| -rw-r--r-- | tsak/README | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/tsak/README b/tsak/README new file mode 100644 index 0000000..ef2fe0c --- /dev/null +++ b/tsak/README @@ -0,0 +1,9 @@ +This is an experimental SAK filter that uses evdev and friends to: +1.) Signal when a SAK (currently hardcoded as Ctrl+Alt+DEL) is pressed + This signal is ONLY available to applications running as root +2.) Filter any SAK press events out, so that no non-root applications are aware of them if they occur. + In fact, even root applications will be unaware of the SAK press unless they are monitoring + the out-of-band SAK interface. + +The interface is very simple. Listen on /tmp/ksocket-global/tsak and you will receive the null-terminated string "SAK\n\r" when the SAK is pressed. +Note that the string may be sent multiple times, especially if the SAK is held down. |