Handle sigquit (was suppressed before due to the terminal being put in raw mode.

prompt_toolkit/application/application.py

@@ -107,6 +107,7 @@
 
 _SIGWINCH = getattr(signal, "SIGWINCH", None)
 _SIGTSTP = getattr(signal, "SIGTSTP", None)
+_SIGQUIT = getattr(signal, "SIGQUIT", None)
 
 
 class Application(Generic[_AppResult]):
@@ -1010,6 +1011,21 @@ def run() -> None:
 
  run_in_terminal(run)
 
+ def do_sigquit(self) -> None:
+ r"""
+ (Not thread safe -- to be called from inside the key bindings.)
+ Trigger SIGQUIT. Usually bound to ctrl-\.
+
+ (We need this because prompt_toolkit puts the terminal in raw mode, and
+ the TTY doesn't handle this signal anymore.)
+ """
+ if _SIGQUIT is not None:
+
+ def run() -> None:
+ os.kill(os.getpid(), _SIGQUIT)
+
+ run_in_terminal(run, render_cli_done=True)
+
  def print_text(
  self, text: AnyFormattedText, style: Optional[BaseStyle] = None
  ) -> None:

prompt_toolkit/shortcuts/prompt.py

@@ -837,6 +837,13 @@ def _suspend(event: E) -> None:
  """
  event.app.suspend_to_background()
 
+ @handle("c-\\")
+ def _do_sigquit(event: E) -> None:
+ """
+ Trigger SIGQUIT.
+ """
+ event.app.do_sigquit()
+
  return kb
 
  def prompt(