Handle MAME SIGTERM during source debugging

tests/sdbg/run_vscode_dap_probe.py

@@ -93,6 +93,10 @@ def main():
     parser.add_argument('--launch-path', default=None)
     parser.add_argument('--exit-while-stopped', action='store_true',
                         help='аварийно завершить собственный MAME на main и ждать DAP terminated')
+    parser.add_argument('--stop-while-stopped', action='store_true',
+                        help='послать DAP disconnect на main и проверить завершение MAME')
+    parser.add_argument('--term-while-stopped', action='store_true',
+                        help='послать SIGTERM собственному MAME на main и проверить DAP terminated')
     options, _ = parser.parse_known_args()
     if not PYTHON.is_file():
         raise RuntimeError('Нет local pyenv shim: '+str(PYTHON))
@@ -124,6 +128,50 @@ def main():
         frame = frame_response['body']['stackFrames'][0]
         if frame['name'] != 'main':
             raise RuntimeError('Не main: '+str(frame))
+        if options.stop_while_stopped:
+            mame_pid = launched['body']['mamePid']
+            send(process, 5, 'disconnect')
+            _, buffer, _ = wait_response(process, buffer, 'disconnect', 10)
+            deadline = time.monotonic()+12
+            while time.monotonic() < deadline:
+                try:
+                    os.kill(mame_pid, 0)
+                except ProcessLookupError:
+                    break
+                time.sleep(.1)
+            else:
+                raise RuntimeError('После DAP disconnect MAME остался запущен')
+            code = process.wait(timeout=3)
+            if code != 0:
+                raise RuntimeError(f'После DAP disconnect адаптер завершился с rc={code}')
+            print(json.dumps({'event': 'vscode_stop_closes_mame', 'frame': frame},
+                             ensure_ascii=False), flush=True)
+            return 0
+        if options.term_while_stopped:
+            mame_pid = launched['body']['mamePid']
+            os.kill(mame_pid, signal.SIGTERM)
+            deadline = time.monotonic()+12
+            while time.monotonic() < deadline:
+                try:
+                    message, buffer = receive(process, buffer, deadline-time.monotonic())
+                except TimeoutError:
+                    break
+                if message.get('event') == 'terminated':
+                    print(json.dumps({'event': 'sigterm_terminates_dap', 'frame': frame},
+                                     ensure_ascii=False), flush=True)
+                    send(process, 5, 'disconnect')
+                    wait_response(process, buffer, 'disconnect', 10)
+                    return 0
+            try:
+                os.kill(mame_pid, 0)
+                status = 'alive'
+            except ProcessLookupError:
+                status = 'exited'
+            process_state = subprocess.run(
+                ['ps', '-p', str(mame_pid), '-o', 'stat=,ppid=,comm='],
+                capture_output=True, text=True, check=False).stdout.strip()
+            raise RuntimeError('SIGTERM: DAP terminated не получен за 12 с; MAME '+
+                               status+'; ps='+repr(process_state))
         if options.exit_while_stopped:
             os.kill(launched['body']['mamePid'], signal.SIGKILL)
             deadline = time.monotonic()+15