From: Kumar Aditya <kumaraditya@python.org>
Date: Thu, 6 Nov 2025 04:51:13 +0000 (+0530)
Subject: gh-118516: clarify that subprocess are automatically killed if transport gets garbage... 
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=101c9c0a2187940900f684086cb9ba0d456fda49;p=thirdparty%2FPython%2Fcpython.git

gh-118516: clarify that subprocess are automatically killed if transport gets garbage collected (#140997)
---

diff --git a/Doc/library/asyncio-eventloop.rst b/Doc/library/asyncio-eventloop.rst
index 0ccc7a2b4482..72f484fd1cbe 100644
--- a/Doc/library/asyncio-eventloop.rst
+++ b/Doc/library/asyncio-eventloop.rst
@@ -1631,6 +1631,9 @@ async/await code consider using the high-level
    conforms to the :class:`asyncio.SubprocessTransport` base class and
    *protocol* is an object instantiated by the *protocol_factory*.
 
+   If the transport is closed or is garbage collected, the child process
+   is killed if it is still running.
+
 .. method:: loop.subprocess_shell(protocol_factory, cmd, *, \
                stdin=subprocess.PIPE, stdout=subprocess.PIPE, \
                stderr=subprocess.PIPE, **kwargs)
@@ -1654,6 +1657,9 @@ async/await code consider using the high-level
    conforms to the :class:`SubprocessTransport` base class and
    *protocol* is an object instantiated by the *protocol_factory*.
 
+   If the transport is closed or is garbage collected, the child process
+   is killed if it is still running.
+
 .. note::
    It is the application's responsibility to ensure that all whitespace
    and special characters are quoted appropriately to avoid `shell injection
diff --git a/Doc/library/asyncio-subprocess.rst b/Doc/library/asyncio-subprocess.rst
index 03e76bc86890..9416c758e51d 100644
--- a/Doc/library/asyncio-subprocess.rst
+++ b/Doc/library/asyncio-subprocess.rst
@@ -76,6 +76,9 @@ Creating Subprocesses
    See the documentation of :meth:`loop.subprocess_exec` for other
    parameters.
 
+   If the process object is garbage collected while the process is still
+   running, the child process will be killed.
+
    .. versionchanged:: 3.10
       Removed the *loop* parameter.
 
@@ -95,6 +98,9 @@ Creating Subprocesses
    See the documentation of :meth:`loop.subprocess_shell` for other
    parameters.
 
+   If the process object is garbage collected while the process is still
+   running, the child process will be killed.
+
    .. important::
 
       It is the application's responsibility to ensure that all whitespace and