Update signal.rst

LamentXU123 · web-flow · commit 6afc296ac780 · 2025-10-09T21:29:46.000+08:00
diff --git a/Doc/library/signal.rst b/Doc/library/signal.rst
@@ -243,6 +243,12 @@ The variables defined in the :mod:`signal` module are:
 
    .. availability:: Unix.
 
+.. data:: SIGQUIT 
+
+   Terminal quit signal.
+
+   .. availability:: Unix.
+
 .. data:: SIG*
 
    All the signal numbers are defined symbolically.  For example, the hangup signal
