diff --git a/Lib/multiprocessing/popen_fork.py b/Lib/multiprocessing/popen_fork.py
index 625981cf47627c..2c0c9f01b6c867 100644
--- a/Lib/multiprocessing/popen_fork.py
+++ b/Lib/multiprocessing/popen_fork.py
@@ -1,5 +1,6 @@
 import os
 import signal
+import sys
 
 from . import util
 
@@ -70,7 +71,7 @@ def _launch(self, process_obj):
                 os.close(parent_w)
                 code = process_obj._bootstrap(parent_sentinel=child_r)
             finally:
-                os._exit(code)
+                sys.exit(code)
         else:
             os.close(child_w)
             os.close(child_r)
diff --git a/Lib/multiprocessing/process.py b/Lib/multiprocessing/process.py
index 271ba3fd325138..cadbfa4508bab0 100644
--- a/Lib/multiprocessing/process.py
+++ b/Lib/multiprocessing/process.py
@@ -130,7 +130,8 @@ def terminate(self):
         Terminate process; sends SIGTERM signal or uses TerminateProcess()
         '''
         self._check_closed()
-        self._popen.terminate()
+        if self._popen is not None:
+            self._popen.terminate()
 
     def kill(self):
         '''
diff --git a/Misc/NEWS.d/next/Library/2024-11-25-09-55-04.gh-issue-127213.d2pVyU.rst b/Misc/NEWS.d/next/Library/2024-11-25-09-55-04.gh-issue-127213.d2pVyU.rst
new file mode 100644
index 00000000000000..2ef99210d23bbf
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2024-11-25-09-55-04.gh-issue-127213.d2pVyU.rst
@@ -0,0 +1 @@
+Replace os._exit() to sys.exit(), so that .so will alos be unloaded in child process