https://github.com/MagicStack/uvloop/issues/586
https://github.com/MagicStack/uvloop/pull/587

From 83ae19d273bed781e653cdcfe55b9127ef2fbb58 Mon Sep 17 00:00:00 2001
From: Alan Brooks <12380017+alan-brooks@users.noreply.github.com>
Date: Thu, 28 Dec 2023 12:18:15 +0000
Subject: [PATCH 1/4] Updates for Cython3 Remove SSL depreciation warnings
 buillt on debian 12.6 python-3.22 Cython-3.0.7 libuv-1.46.0

---
 Makefile                         |  2 +-
 setup.py                         |  6 ++++--
 tests/test_process.py            |  4 ++--
 tests/test_tcp.py                | 19 ++++++++++++-------
 uvloop/_testbase.py              |  4 +++-
 uvloop/cbhandles.pyx             |  4 ++--
 uvloop/dns.pyx                   |  4 ++--
 uvloop/handles/basetransport.pxd |  4 ++--
 uvloop/handles/basetransport.pyx |  4 ++--
 uvloop/handles/handle.pyx        |  2 +-
 uvloop/handles/pipe.pyx          |  2 +-
 uvloop/handles/poll.pxd          |  2 +-
 uvloop/handles/poll.pyx          |  2 +-
 uvloop/handles/stream.pyx        | 16 ++++++++++------
 uvloop/handles/udp.pyx           |  4 ++--
 uvloop/includes/consts.pxi       | 25 -------------------------
 uvloop/includes/fork_handler.h   |  6 +++++-
 uvloop/includes/system.h         | 16 ++++++++++++++++
 uvloop/includes/system.pxd       | 12 ++++--------
 uvloop/includes/uv.pxd           |  6 +++---
 uvloop/loop.pxd                  | 28 ++++++++++++++++++++++++----
 uvloop/loop.pyx                  | 10 +++++-----
 uvloop/sslproto.pxd              |  4 ++--
 uvloop/sslproto.pyx              |  4 ++--
 24 files changed, 107 insertions(+), 83 deletions(-)
 delete mode 100644 uvloop/includes/consts.pxi
 create mode 100755 uvloop/includes/system.h

diff --git a/Makefile b/Makefile
index 4375e5d2..6a0475a9 100644
--- a/Makefile
+++ b/Makefile
@@ -9,7 +9,7 @@ _default: compile
 
 
 clean:
-	rm -fr dist/ doc/_build/ *.egg-info uvloop/loop.*.pyd
+	rm -fr dist/ doc/_build/ *.egg-info uvloop/loop.*.pyd uvloop/loop_d.*.pyd
 	rm -fr uvloop/*.c uvloop/*.html uvloop/*.so
 	rm -fr uvloop/handles/*.html uvloop/includes/*.html
 	find . -name '__pycache__' | xargs rm -rf
diff --git a/setup.py b/setup.py
index ba15af50..8fdf0e56 100644
--- a/setup.py
+++ b/setup.py
@@ -21,7 +21,7 @@
 from setuptools.command.sdist import sdist
 
 
-CYTHON_DEPENDENCY = 'Cython(>=0.29.36,<0.30.0)'
+CYTHON_DEPENDENCY = 'Cython(>=0.29.36)'
 MACHINE = platform.machine()
 MODULES_CFLAGS = [os.getenv('UVLOOP_OPT_CFLAGS', '-O2')]
 _ROOT = pathlib.Path(__file__).parent
@@ -144,7 +144,9 @@ def finalize_options(self):
             self.distribution.ext_modules[:] = cythonize(
                 self.distribution.ext_modules,
                 compiler_directives=directives,
-                annotate=self.cython_annotate)
+                annotate=self.cython_annotate,
+                compile_time_env=dict(DEFAULT_FREELIST_SIZE=250, SSL_READ_MAX_SIZE=256 * 1024),
+                emit_linenums=True)
 
         super().finalize_options()
 
diff --git a/tests/test_process.py b/tests/test_process.py
index bfcbba17..95e1c9e7 100644
--- a/tests/test_process.py
+++ b/tests/test_process.py
@@ -912,7 +912,7 @@ def test_process_delayed_stdio__paused__stdin_pipe(self):
                 stdin=subprocess.PIPE,
                 stdout=subprocess.PIPE,
                 stderr=subprocess.PIPE,
-                __uvloop_sleep_after_fork=True))
+                uvloop_sleep_after_fork=True))
         self.assertIsNot(transport, None)
         self.assertEqual(transport.get_returncode(), 0)
         self.assertEqual(
@@ -931,7 +931,7 @@ def test_process_delayed_stdio__paused__no_stdin(self):
                 stdin=None,
                 stdout=subprocess.PIPE,
                 stderr=subprocess.PIPE,
-                __uvloop_sleep_after_fork=True))
+                uvloop_sleep_after_fork=True))
         self.assertIsNot(transport, None)
         self.assertEqual(transport.get_returncode(), 0)
         self.assertEqual(
diff --git a/tests/test_tcp.py b/tests/test_tcp.py
index 812e62b8..213e2d9f 100644
--- a/tests/test_tcp.py
+++ b/tests/test_tcp.py
@@ -1630,17 +1630,22 @@ async def client(addr):
             self.fail("unexpected call to connection_made()")
 
     def test_ssl_connect_accepted_socket(self):
-        if hasattr(ssl, 'PROTOCOL_TLS'):
-            proto = ssl.PROTOCOL_TLS
+        if hasattr(ssl, 'PROTOCOL_TLS_SERVER'):
+            server_proto = ssl.PROTOCOL_TLS_SERVER
+            client_proto = ssl.PROTOCOL_TLS_CLIENT
         else:
-            proto = ssl.PROTOCOL_SSLv23
-        server_context = ssl.SSLContext(proto)
+            if hasattr(ssl, 'PROTOCOL_TLS'):
+                client_proto = server_proto = ssl.PROTOCOL_TLS
+            else:
+                client_proto = server_proto = ssl.PROTOCOL_SSLv23
+
+        server_context = ssl.SSLContext(server_proto)
         server_context.load_cert_chain(self.ONLYCERT, self.ONLYKEY)
         if hasattr(server_context, 'check_hostname'):
             server_context.check_hostname = False
         server_context.verify_mode = ssl.CERT_NONE
 
-        client_context = ssl.SSLContext(proto)
+        client_context = ssl.SSLContext(client_proto)
         if hasattr(server_context, 'check_hostname'):
             client_context.check_hostname = False
         client_context.verify_mode = ssl.CERT_NONE
@@ -2233,7 +2238,7 @@ def test_renegotiation(self):
         sslctx.use_privatekey_file(self.ONLYKEY)
         sslctx.use_certificate_chain_file(self.ONLYCERT)
         client_sslctx = self._create_client_ssl_context()
-        if hasattr(ssl, 'OP_NO_TLSv1_3'):
+        if sys.version_info < (3, 8) and hasattr(ssl, 'OP_NO_TLSv1_3'):
             client_sslctx.options |= ssl.OP_NO_TLSv1_3
 
         def server(sock):
@@ -2592,7 +2597,7 @@ def test_flush_before_shutdown(self):
         sslctx_openssl.use_privatekey_file(self.ONLYKEY)
         sslctx_openssl.use_certificate_chain_file(self.ONLYCERT)
         client_sslctx = self._create_client_ssl_context()
-        if hasattr(ssl, 'OP_NO_TLSv1_3'):
+        if sys.version_info < (3, 8) and hasattr(ssl, 'OP_NO_TLSv1_3'):
             client_sslctx.options |= ssl.OP_NO_TLSv1_3
 
         future = None
diff --git a/uvloop/_testbase.py b/uvloop/_testbase.py
index c4a7595b..e620e158 100644
--- a/uvloop/_testbase.py
+++ b/uvloop/_testbase.py
@@ -269,7 +269,9 @@ def find_free_port(start_from=50000):
 class SSLTestCase:
 
     def _create_server_ssl_context(self, certfile, keyfile=None):
-        if hasattr(ssl, 'PROTOCOL_TLS'):
+        if hasattr(ssl, 'PROTOCOL_TLS_SERVER'):
+            sslcontext = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
+        elif hasattr(ssl, 'PROTOCOL_TLS'):
             sslcontext = ssl.SSLContext(ssl.PROTOCOL_TLS)
         else:
             sslcontext = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
diff --git a/uvloop/cbhandles.pyx b/uvloop/cbhandles.pyx
index 2914b42e..8bcc5aa6 100644
--- a/uvloop/cbhandles.pyx
+++ b/uvloop/cbhandles.pyx
@@ -76,8 +76,8 @@ cdef class Handle:
                     self.arg1, self.arg2, self.arg3, self.arg4)
 
             else:
-                raise RuntimeError('invalid Handle.cb_type: {}'.format(
-                    cb_type))
+                raise RuntimeError('invalid Handle.cb_type: {} {!r}/{!r}'.format(
+                    cb_type, self.args1, self.args2))
 
         except (KeyboardInterrupt, SystemExit):
             raise
diff --git a/uvloop/dns.pyx b/uvloop/dns.pyx
index 7aad6319..09b92828 100644
--- a/uvloop/dns.pyx
+++ b/uvloop/dns.pyx
@@ -298,7 +298,7 @@ cdef class AddrInfo:
             uv.uv_freeaddrinfo(self.data)  # returns void
             self.data = NULL
 
-    cdef void set_data(self, system.addrinfo *data):
+    cdef void set_data(self, system.addrinfo *data) noexcept:
         self.data = data
 
     cdef unpack(self):
@@ -326,7 +326,7 @@ cdef class AddrInfo:
         return result
 
     @staticmethod
-    cdef int isinstance(object other):
+    cdef int isinstance(object other) noexcept:
         return type(other) is AddrInfo
 
 
diff --git a/uvloop/handles/basetransport.pxd b/uvloop/handles/basetransport.pxd
index ba356a78..8112622c 100644
--- a/uvloop/handles/basetransport.pxd
+++ b/uvloop/handles/basetransport.pxd
@@ -47,8 +47,8 @@ cdef class UVBaseTransport(UVSocketHandle):
     # === overloads ===
 
     cdef _new_socket(self)
-    cdef size_t _get_write_buffer_size(self)
+    cdef size_t _get_write_buffer_size(self) noexcept
 
-    cdef bint _is_reading(self)
+    cdef bint _is_reading(self) noexcept
     cdef _start_reading(self)
     cdef _stop_reading(self)
diff --git a/uvloop/handles/basetransport.pyx b/uvloop/handles/basetransport.pyx
index 28b30794..a8592f2d 100644
--- a/uvloop/handles/basetransport.pyx
+++ b/uvloop/handles/basetransport.pyx
@@ -18,7 +18,7 @@ cdef class UVBaseTransport(UVSocketHandle):
 
         self._closing = 0
 
-    cdef size_t _get_write_buffer_size(self):
+    cdef size_t _get_write_buffer_size(self) noexcept:
         return 0
 
     cdef inline _schedule_call_connection_made(self):
@@ -211,7 +211,7 @@ cdef class UVBaseTransport(UVSocketHandle):
             self._extra_info = {}
         self._extra_info[name] = obj
 
-    cdef bint _is_reading(self):
+    cdef bint _is_reading(self) noexcept:
         raise NotImplementedError
 
     cdef _start_reading(self):
diff --git a/uvloop/handles/handle.pyx b/uvloop/handles/handle.pyx
index 6efe3755..2c96458b 100644
--- a/uvloop/handles/handle.pyx
+++ b/uvloop/handles/handle.pyx
@@ -363,7 +363,7 @@ cdef void __uv_close_handle_cb(uv.uv_handle_t* handle) noexcept with gil:
             Py_DECREF(h)  # Was INCREFed in UVHandle._close
 
 
-cdef void __close_all_handles(Loop loop):
+cdef void __close_all_handles(Loop loop) noexcept:
     uv.uv_walk(loop.uvloop,
                __uv_walk_close_all_handles_cb,
                <void*>loop)  # void
diff --git a/uvloop/handles/pipe.pyx b/uvloop/handles/pipe.pyx
index 195576c7..d30a7366 100644
--- a/uvloop/handles/pipe.pyx
+++ b/uvloop/handles/pipe.pyx
@@ -25,7 +25,7 @@ cdef __pipe_init_uv_handle(UVStream handle, Loop loop):
 cdef __pipe_open(UVStream handle, int fd):
     cdef int err
     err = uv.uv_pipe_open(<uv.uv_pipe_t *>handle._handle,
-                          <uv.uv_file>fd)
+                          <uv.uv_os_fd_t>fd)
     if err < 0:
         exc = convert_error(err)
         raise exc
diff --git a/uvloop/handles/poll.pxd b/uvloop/handles/poll.pxd
index d07030b5..c2205402 100644
--- a/uvloop/handles/poll.pxd
+++ b/uvloop/handles/poll.pxd
@@ -10,7 +10,7 @@ cdef class UVPoll(UVHandle):
     cdef inline _poll_start(self, int flags)
     cdef inline _poll_stop(self)
 
-    cdef int is_active(self)
+    cdef int is_active(self) noexcept
 
     cdef is_reading(self)
     cdef is_writing(self)
diff --git a/uvloop/handles/poll.pyx b/uvloop/handles/poll.pyx
index fca5981e..c905e9b0 100644
--- a/uvloop/handles/poll.pyx
+++ b/uvloop/handles/poll.pyx
@@ -29,7 +29,7 @@ cdef class UVPoll(UVHandle):
         handle._init(loop, fd)
         return handle
 
-    cdef int is_active(self):
+    cdef int is_active(self) noexcept:
         return (self.reading_handle is not None or
                 self.writing_handle is not None)
 
diff --git a/uvloop/handles/stream.pyx b/uvloop/handles/stream.pyx
index d4e02e3e..09df8878 100644
--- a/uvloop/handles/stream.pyx
+++ b/uvloop/handles/stream.pyx
@@ -1,4 +1,8 @@
-DEF __PREALLOCED_BUFS = 4
+cdef extern from *:
+    '''
+    enum {__PREALLOCED_BUFS = 4};
+    '''
+    const bint __PREALLOCED_BUFS
 
 
 @cython.no_gc_clear
@@ -279,7 +283,7 @@ cdef class UVStream(UVBaseTransport):
     cdef inline _close_on_read_error(self):
         self.__read_error_close = 1
 
-    cdef bint _is_reading(self):
+    cdef bint _is_reading(self) noexcept:
         return self.__reading
 
     cdef _start_reading(self):
@@ -578,7 +582,7 @@ cdef class UVStream(UVBaseTransport):
 
         self._maybe_resume_protocol()
 
-    cdef size_t _get_write_buffer_size(self):
+    cdef size_t _get_write_buffer_size(self) noexcept:
         if self._handle is NULL:
             return 0
         return ((<uv.uv_stream_t*>self._handle).write_queue_size +
@@ -755,7 +759,7 @@ cdef inline bint __uv_stream_on_read_common(
     UVStream sc,
     Loop loop,
     ssize_t nread,
-):
+) noexcept:
     if sc._closed:
         # The stream was closed, there is no reason to
         # do any work now.
@@ -818,7 +822,7 @@ cdef inline void __uv_stream_on_read_impl(
     uv.uv_stream_t* stream,
     ssize_t nread,
     const uv.uv_buf_t* buf,
-):
+) noexcept:
     cdef:
         UVStream sc = <UVStream>stream.data
         Loop loop = sc._loop
@@ -849,7 +853,7 @@ cdef inline void __uv_stream_on_read_impl(
 cdef inline void __uv_stream_on_write_impl(
     uv.uv_write_t* req,
     int status,
-):
+) noexcept:
     cdef:
         _StreamWriteContext ctx = <_StreamWriteContext> req.data
         UVStream stream = <UVStream>ctx.stream
diff --git a/uvloop/handles/udp.pyx b/uvloop/handles/udp.pyx
index bbe60d56..fdd1d8b2 100644
--- a/uvloop/handles/udp.pyx
+++ b/uvloop/handles/udp.pyx
@@ -127,12 +127,12 @@ cdef class UDPTransport(UVBaseTransport):
             exc = convert_error(err)
             raise exc
 
-    cdef size_t _get_write_buffer_size(self):
+    cdef size_t _get_write_buffer_size(self) noexcept:
         if self._handle is NULL:
             return 0
         return (<uv.uv_udp_t*>self._handle).send_queue_size
 
-    cdef bint _is_reading(self):
+    cdef bint _is_reading(self) noexcept:
         return self.__receiving
 
     cdef _start_reading(self):
diff --git a/uvloop/includes/consts.pxi b/uvloop/includes/consts.pxi
deleted file mode 100644
index f765053d..00000000
--- a/uvloop/includes/consts.pxi
+++ /dev/null
@@ -1,25 +0,0 @@
-DEF UV_STREAM_RECV_BUF_SIZE = 256000  # 250kb
-
-DEF FLOW_CONTROL_HIGH_WATER = 64  # KiB
-DEF FLOW_CONTROL_HIGH_WATER_SSL_READ = 256  # KiB
-DEF FLOW_CONTROL_HIGH_WATER_SSL_WRITE = 512  # KiB
-
-DEF DEFAULT_FREELIST_SIZE = 250
-DEF DNS_PYADDR_TO_SOCKADDR_CACHE_SIZE = 2048
-
-DEF DEBUG_STACK_DEPTH = 10
-
-
-DEF __PROCESS_DEBUG_SLEEP_AFTER_FORK = 1
-
-
-DEF LOG_THRESHOLD_FOR_CONNLOST_WRITES = 5
-
-
-# Number of seconds to wait for SSL handshake to complete
-# The default timeout matches that of Nginx.
-DEF SSL_HANDSHAKE_TIMEOUT = 60.0
-# Number of seconds to wait for SSL shutdown to complete
-# The default timeout mimics lingering_time
-DEF SSL_SHUTDOWN_TIMEOUT = 30.0
-DEF SSL_READ_MAX_SIZE = 256 * 1024
diff --git a/uvloop/includes/fork_handler.h b/uvloop/includes/fork_handler.h
index 47bbe036..9d3573ae 100644
--- a/uvloop/includes/fork_handler.h
+++ b/uvloop/includes/fork_handler.h
@@ -1,7 +1,10 @@
+#ifndef UVLOOP_FORK_HANDLER_H_
+#define UVLOOP_FORK_HANDLER_H_
+
 volatile uint64_t MAIN_THREAD_ID = 0;
 volatile int8_t MAIN_THREAD_ID_SET = 0;
 
-typedef void (*OnForkHandler)();
+typedef void (*OnForkHandler)(void);
 
 OnForkHandler __forkHandler = NULL;
 
@@ -36,3 +39,4 @@ void setMainThreadID(uint64_t id) {
     MAIN_THREAD_ID = id;
     MAIN_THREAD_ID_SET = 1;
 }
+#endif
diff --git a/uvloop/includes/system.h b/uvloop/includes/system.h
new file mode 100755
index 00000000..e143bb5c
--- /dev/null
+++ b/uvloop/includes/system.h
@@ -0,0 +1,16 @@
+#ifndef UVLOOP_SYSTEM_H_
+#define UVLOOP_SYSTEM_H_
+#if defined(_WIN32) || defined(MS_WINDOWS) || defined(_MSC_VER)
+#include "Winsock2.h"
+#include "ws2def.h"
+#include "includes/fork_handler.h"
+#else
+#include "arpa/inet.h"
+#include "sys/socket.h"
+#include "sys/un.h"
+#include "unistd.h"
+#include "pthread.h"
+#endif
+#endif
+
+
diff --git a/uvloop/includes/system.pxd b/uvloop/includes/system.pxd
index 367fedd1..d1da74ed 100644
--- a/uvloop/includes/system.pxd
+++ b/uvloop/includes/system.pxd
@@ -1,13 +1,9 @@
 from libc.stdint cimport int8_t, uint64_t
 
-cdef extern from "arpa/inet.h" nogil:
-
-    int ntohl(int)
-    int htonl(int)
-    int ntohs(int)
-
-
-cdef extern from "sys/socket.h" nogil:
+cdef extern from "includes/system.h":
+    int ntohl(int) nogil
+    int htonl(int) nogil
+    int ntohs(int) nogil
 
     struct sockaddr:
         unsigned short sa_family
diff --git a/uvloop/includes/uv.pxd b/uvloop/includes/uv.pxd
index 87651306..ddd9738c 100644
--- a/uvloop/includes/uv.pxd
+++ b/uvloop/includes/uv.pxd
@@ -220,7 +220,7 @@ cdef extern from "uv.h" nogil:
         UV_LEAVE_GROUP = 0,
         UV_JOIN_GROUP
 
-    cpdef enum uv_fs_event:
+    cdef enum uv_fs_event:
         UV_RENAME = 1,
         UV_CHANGE = 2
 
@@ -282,7 +282,7 @@ cdef extern from "uv.h" nogil:
     int uv_loop_close(uv_loop_t* loop)
     int uv_loop_alive(uv_loop_t* loop)
     int uv_loop_fork(uv_loop_t* loop)
-    int uv_backend_fd(uv_loop_t* loop)
+    uv_os_fd_t uv_backend_fd(uv_loop_t* loop)
 
     void uv_update_time(uv_loop_t* loop)
     uint64_t uv_now(const uv_loop_t*)
@@ -378,7 +378,7 @@ cdef extern from "uv.h" nogil:
     # Pipes
 
     int uv_pipe_init(uv_loop_t* loop, uv_pipe_t* handle, int ipc)
-    int uv_pipe_open(uv_pipe_t* handle, uv_file file)
+    int uv_pipe_open(uv_pipe_t* handle, uv_os_fd_t file)
     int uv_pipe_bind(uv_pipe_t* handle, const char* name)
 
     void uv_pipe_connect(uv_connect_t* req, uv_pipe_t* handle,
diff --git a/uvloop/loop.pxd b/uvloop/loop.pxd
index 56134733..f90c7041 100644
--- a/uvloop/loop.pxd
+++ b/uvloop/loop.pxd
@@ -1,15 +1,35 @@
 # cython: language_level=3
 
+cdef extern from *:
+    '''
+    enum { UV_STREAM_RECV_BUF_SIZE = 256000,
+           SSL_READ_MAX_SIZE = 256 * 1024,  // 250kb
+          };
+    const float SSL_HANDSHAKE_TIMEOUT = 60.0; // Number of seconds to wait for SSL handshake to complete The default timeout matches that of Nginx.
+    const float SSL_SHUTDOWN_TIMEOUT  = 30.0; // Number of seconds to wait for SSL shutdown to complete The default timeout mimics lingering_time
+    '''
+    const bint UV_STREAM_RECV_BUF_SIZE
+    const bint SSL_READ_MAX_SIZE
+
+    const float SSL_HANDSHAKE_TIMEOUT
+    const float SSL_SHUTDOWN_TIMEOUT
+
+cdef enum:
+    FLOW_CONTROL_HIGH_WATER = 64  # KiB
+    FLOW_CONTROL_HIGH_WATER_SSL_READ = 256  # KiB
+    FLOW_CONTROL_HIGH_WATER_SSL_WRITE = 512  # KiB
+
+    DNS_PYADDR_TO_SOCKADDR_CACHE_SIZE = 2048
+    DEBUG_STACK_DEPTH = 10
+    __PROCESS_DEBUG_SLEEP_AFTER_FORK = 1
+    LOG_THRESHOLD_FOR_CONNLOST_WRITES = 5
+
 
 from .includes cimport uv
 from .includes cimport system
 
 from libc.stdint cimport uint64_t, uint32_t, int64_t
 
-
-include "includes/consts.pxi"
-
-
 cdef extern from *:
     ctypedef int vint "volatile int"
 
diff --git a/uvloop/loop.pyx b/uvloop/loop.pyx
index 334d8d50..53e11600 100644
--- a/uvloop/loop.pyx
+++ b/uvloop/loop.pyx
@@ -43,7 +43,7 @@ from cpython.pycapsule cimport PyCapsule_New, PyCapsule_GetPointer
 from . import _noop
 
 
-include "includes/consts.pxi"
+
 include "includes/stdlib.pxi"
 
 include "errors.pyx"
@@ -1118,7 +1118,7 @@ cdef class Loop:
 
     cdef _sock_set_reuseport(self, int fd):
         cdef:
-            int err
+            int err = 0
             int reuseport_flag = 1
 
         err = system.setsockopt(
@@ -1397,7 +1397,7 @@ cdef class Loop:
         self._debug = bool(enabled)
         if self.is_running():
             self.call_soon_threadsafe(
-                self._set_coroutine_debug, self, self._debug)
+                self._set_coroutine_debug, self._debug)
 
     def is_running(self):
         """Return whether the event loop is currently running."""
@@ -2750,7 +2750,7 @@ cdef class Loop:
                                executable=None,
                                pass_fds=(),
                                # For tests only! Do not use in your code. Ever.
-                               __uvloop_sleep_after_fork=False):
+                               uvloop_sleep_after_fork=False):
 
         # TODO: Implement close_fds (might not be very important in
         # Python 3.5, since all FDs aren't inheritable by default.)
@@ -2770,7 +2770,7 @@ cdef class Loop:
         if executable is not None:
             args[0] = executable
 
-        if __uvloop_sleep_after_fork:
+        if uvloop_sleep_after_fork:
             debug_flags |= __PROCESS_DEBUG_SLEEP_AFTER_FORK
 
         waiter = self._new_future()
diff --git a/uvloop/sslproto.pxd b/uvloop/sslproto.pxd
index 3da10f00..68e4d572 100644
--- a/uvloop/sslproto.pxd
+++ b/uvloop/sslproto.pxd
@@ -122,7 +122,7 @@ cdef class SSLProtocol:
     # Flow control for writes from APP socket
 
     cdef _control_app_writing(self, object context=*)
-    cdef size_t _get_write_buffer_size(self)
+    cdef size_t _get_write_buffer_size(self) noexcept
     cdef _set_write_buffer_limits(self, high=*, low=*)
 
     # Flow control for reads to APP socket
@@ -134,5 +134,5 @@ cdef class SSLProtocol:
 
     cdef _control_ssl_reading(self)
     cdef _set_read_buffer_limits(self, high=*, low=*)
-    cdef size_t _get_read_buffer_size(self)
+    cdef size_t _get_read_buffer_size(self) noexcept
     cdef _fatal_error(self, exc, message=*)
diff --git a/uvloop/sslproto.pyx b/uvloop/sslproto.pyx
index 42bb7644..0a437463 100644
--- a/uvloop/sslproto.pyx
+++ b/uvloop/sslproto.pyx
@@ -861,7 +861,7 @@ cdef class SSLProtocol:
                     'protocol': self,
                 })
 
-    cdef size_t _get_write_buffer_size(self):
+    cdef size_t _get_write_buffer_size(self) noexcept:
         return self._outgoing.pending + self._write_buffer_size
 
     cdef _set_write_buffer_limits(self, high=None, low=None):
@@ -903,7 +903,7 @@ cdef class SSLProtocol:
         self._incoming_high_water = high
         self._incoming_low_water = low
 
-    cdef size_t _get_read_buffer_size(self):
+    cdef size_t _get_read_buffer_size(self) noexcept:
         return self._incoming.pending
 
     # Flow control for writes to SSL socket

From 55bab4f7486d9b58ecc4f81120f8f8eaf1099cdd Mon Sep 17 00:00:00 2001
From: Alan Brooks <12380017+alan-brooks@users.noreply.github.com>
Date: Thu, 28 Dec 2023 16:17:49 +0000
Subject: [PATCH 2/4] _set_coroutine_debug has args difference in python 3.11

---
 uvloop/loop.pyx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/uvloop/loop.pyx b/uvloop/loop.pyx
index 53e11600..5ca718e4 100644
--- a/uvloop/loop.pyx
+++ b/uvloop/loop.pyx
@@ -1396,8 +1396,9 @@ cdef class Loop:
     def set_debug(self, enabled):
         self._debug = bool(enabled)
         if self.is_running():
+            args = (self, self._debug) if sys.version_info < (3, 11) else (self._debug,)
             self.call_soon_threadsafe(
-                self._set_coroutine_debug, self._debug)
+                self._set_coroutine_debug, *args)
 
     def is_running(self):
         """Return whether the event loop is currently running."""

From 95a147f79e1d3685b8f91ddae8a382f4668af27a Mon Sep 17 00:00:00 2001
From: alan-brooks <12380017+alan-brooks@users.noreply.github.com>
Date: Thu, 28 Dec 2023 19:58:11 +0000
Subject: [PATCH 3/4] fix tests on python 3.8

---
 uvloop/loop.pyx | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/uvloop/loop.pyx b/uvloop/loop.pyx
index 5ca718e4..75b915a9 100644
--- a/uvloop/loop.pyx
+++ b/uvloop/loop.pyx
@@ -1396,9 +1396,8 @@ cdef class Loop:
     def set_debug(self, enabled):
         self._debug = bool(enabled)
         if self.is_running():
-            args = (self, self._debug) if sys.version_info < (3, 11) else (self._debug,)
-            self.call_soon_threadsafe(
-                self._set_coroutine_debug, *args)
+            args = ((self, self._debug),) if sys.version_info < (3, 11) else (self._debug,)
+            self.call_soon_threadsafe(self._set_coroutine_debug, *args)
 
     def is_running(self):
         """Return whether the event loop is currently running."""

From ca06a743c4472c3629610664760d4538283aebf9 Mon Sep 17 00:00:00 2001
From: alan-brooks <12380017+alan-brooks@users.noreply.github.com>
Date: Fri, 29 Dec 2023 11:24:19 +0000
Subject: [PATCH 4/4] fix arg count for wrap()

---
 uvloop/loop.pxd | 2 +-
 uvloop/loop.pyx | 5 ++---
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/uvloop/loop.pxd b/uvloop/loop.pxd
index f90c7041..d34ffeb8 100644
--- a/uvloop/loop.pxd
+++ b/uvloop/loop.pxd
@@ -220,7 +220,7 @@ cdef class Loop:
     cdef inline _ceval_process_signals(self)
     cdef _invoke_signals(self, bytes data)
 
-    cdef _set_coroutine_debug(self, bint enabled)
+    cpdef _set_coroutine_debug(self, bint enabled)
 
     cdef _print_debug_info(self)
 
diff --git a/uvloop/loop.pyx b/uvloop/loop.pyx
index 75b915a9..a3eeb605 100644
--- a/uvloop/loop.pyx
+++ b/uvloop/loop.pyx
@@ -1131,7 +1131,7 @@ cdef class Loop:
         if err < 0:
             raise convert_error(-errno.errno)
 
-    cdef _set_coroutine_debug(self, bint enabled):
+    cpdef _set_coroutine_debug(self, bint enabled):
         enabled = bool(enabled)
         if self._coroutine_debug_set == enabled:
             return
@@ -1396,8 +1396,7 @@ cdef class Loop:
     def set_debug(self, enabled):
         self._debug = bool(enabled)
         if self.is_running():
-            args = ((self, self._debug),) if sys.version_info < (3, 11) else (self._debug,)
-            self.call_soon_threadsafe(self._set_coroutine_debug, *args)
+             self.call_soon_threadsafe(self._set_coroutine_debug, self._debug)
 
     def is_running(self):
         """Return whether the event loop is currently running."""

