signal_handlers_installed  812 maint/gnulib/lib/term-style-control.c   static bool signal_handlers_installed = false;
signal_handlers_installed  814 maint/gnulib/lib/term-style-control.c   if (!signal_handlers_installed)
signal_handlers_installed  857 maint/gnulib/lib/term-style-control.c       signal_handlers_installed = true;