[ruby/reline] Trap TSTP to handle C-z

https://github.com/ruby/reline/commit/ebbd0076b8

1 files changed, 5 insertions, 0 deletions

diff --git a/lib/reline/line_editor.rb b/lib/reline/line_editor.rb
index 8a23cc0dac..a2ad758081 100644
--- a/lib/reline/line_editor.rb
+++ b/lib/reline/line_editor.rb
@@ -170,6 +170,10 @@ class Reline::LineEditor
         @old_trap.call
       end
     }
+    @old_tstp_trap = Signal.trap(:TSTP) {
+      Reline::IOGate.ungetc("\C-z".ord)
+      @old_tstp_trap.call if @old_tstp_trap.respond_to?(:call)
+    }
     Reline::IOGate.set_winch_handler do
       @rest_height = (Reline::IOGate.get_screen_size.first - 1) - Reline::IOGate.cursor_pos.y
       old_screen_size = @screen_size
@@ -211,6 +215,7 @@ class Reline::LineEditor
 
   def finalize
     Signal.trap('SIGINT', @old_trap)
+    Signal.trap('SIGTSTP', @old_tstp_trap)
   end
 
   def eof?