[emacs] [gdb] Some minor changes

- emacs: my-elide-region that does the same thing as
  message-elide-region, with the comment-start as the prefix
- gdbinit: an alias to a command that displays all backtrace of all
  threads

1 files changed, 10 insertions, 0 deletions

diff --git a/misc/bin/lock.sh b/misc/bin/lock.sh
new file mode 100755
index 0000000..6088b94
--- /dev/null
+++ b/misc/bin/lock.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+
+# Take a screenshot
+scrot -o /tmp/screen_locked.png
+
+# Pixellate it 10x
+mogrify -scale 10% -scale 1000% /tmp/screen_locked.png
+
+# Lock screen displaying this image.
+i3lock -i /tmp/screen_locked.png