From 1c4440204f410b2839a44e83ac38cf52eafaadaa Mon Sep 17 00:00:00 2001
From: Timofei <128279579+deadlovelll@users.noreply.github.com>
Date: Wed, 15 Jul 2026 11:44:30 +0300
Subject: [PATCH 1/2] gh-150952: Fix incorrect sock_sendto docstring (#150953)

---
 Lib/asyncio/selector_events.py | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/Lib/asyncio/selector_events.py b/Lib/asyncio/selector_events.py
index 492dfcb19dafe2..97cb6b76ac2e89 100644
--- a/Lib/asyncio/selector_events.py
+++ b/Lib/asyncio/selector_events.py
@@ -586,14 +586,10 @@ def _sock_sendall(self, fut, sock, view, pos):
             pos[0] = start
 
     async def sock_sendto(self, sock, data, address):
-        """Send data to the socket.
+        """Send a datagram from sock to address.
 
-        The socket must be connected to a remote socket.  This method
-        continues to send data from data until either all data has been
-        sent or an error occurs.  None is returned on success.  On error,
-        an exception is raised, and there is no way to determine how much
-        data, if any, was successfully processed by the receiving end of
-        the connection.
+        The socket does not have to be connected. This method sends the
+        whole datagram in a single call. Return the number of bytes sent.
         """
         base_events._check_ssl_socket(sock)
         if self._debug and sock.gettimeout() != 0:

From 4f3be1b5777313fb36ff4bda7e4a4197c932c30e Mon Sep 17 00:00:00 2001
From: Thomas Kowalski <thom.kowa@gmail.com>
Date: Wed, 15 Jul 2026 12:39:28 +0200
Subject: [PATCH 2/2] gh-150452: use PyMutex in socket module (#150453)

---
 Modules/socketmodule.c | 19 +++++--------------
 1 file changed, 5 insertions(+), 14 deletions(-)

diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
index ada4fda6571049..084c2dbcff066e 100644
--- a/Modules/socketmodule.c
+++ b/Modules/socketmodule.c
@@ -1170,7 +1170,7 @@ new_sockobject(socket_state *state, SOCKET_T fd, int family, int type,
 /* Lock to allow python interpreter to continue, but only allow one
    thread to be in gethostbyname or getaddrinfo */
 #if defined(USE_GETHOSTBYNAME_LOCK)
-static PyThread_type_lock netdb_lock;
+static PyMutex netdb_lock = {0};
 #endif
 
 
@@ -6219,7 +6219,7 @@ socket_gethostbyname_ex(PyObject *self, PyObject *args)
 #endif
 #else /* not HAVE_GETHOSTBYNAME_R */
 #ifdef USE_GETHOSTBYNAME_LOCK
-    PyThread_acquire_lock(netdb_lock, 1);
+    PyMutex_Lock(&netdb_lock);
 #endif
     _Py_COMP_DIAG_PUSH
     _Py_COMP_DIAG_IGNORE_DEPR_DECLS
@@ -6235,7 +6235,7 @@ socket_gethostbyname_ex(PyObject *self, PyObject *args)
     ret = gethost_common(state, h, SAS2SA(&addr), sizeof(addr),
                          sa->sa_family);
 #ifdef USE_GETHOSTBYNAME_LOCK
-    PyThread_release_lock(netdb_lock);
+    PyMutex_Unlock(&netdb_lock);
 #endif
 finally:
     PyMem_Free(name);
@@ -6326,7 +6326,7 @@ socket_gethostbyaddr(PyObject *self, PyObject *args)
 #endif
 #else /* not HAVE_GETHOSTBYNAME_R */
 #ifdef USE_GETHOSTBYNAME_LOCK
-    PyThread_acquire_lock(netdb_lock, 1);
+    PyMutex_Lock(&netdb_lock);
 #endif
     _Py_COMP_DIAG_PUSH
     _Py_COMP_DIAG_IGNORE_DEPR_DECLS
@@ -6336,7 +6336,7 @@ socket_gethostbyaddr(PyObject *self, PyObject *args)
     Py_END_ALLOW_THREADS
     ret = gethost_common(state, h, SAS2SA(&addr), sizeof(addr), af);
 #ifdef USE_GETHOSTBYNAME_LOCK
-    PyThread_release_lock(netdb_lock);
+    PyMutex_Unlock(&netdb_lock);
 #endif
 finally:
     PyMem_Free(ip_num);
@@ -9292,15 +9292,6 @@ socket_exec(PyObject *m)
 #endif
 #endif /* _MSTCPIP_ */
 
-    /* Initialize gethostbyname lock */
-#if defined(USE_GETHOSTBYNAME_LOCK)
-    netdb_lock = PyThread_allocate_lock();
-    if (netdb_lock == NULL) {
-        PyErr_NoMemory();
-        goto error;
-    }
-#endif
-
 #ifdef MS_WINDOWS
     /* remove some flags on older version Windows during run-time */
     if (remove_unusable_flags(m) < 0) {