From 094fc9a4a6dcd1e32c4a2311fd9dcbc000d4f8a1 Mon Sep 17 00:00:00 2001
From: Andrew Svetlov <andrew.svetlov@gmail.com>
Date: Wed, 21 Oct 2020 10:37:01 +0300
Subject: [PATCH 1/2] Reduce sleep time on Windows

---
 aiohttp/web.py     | 11 ++++++++++-
 vendor/http-parser |  2 +-
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/aiohttp/web.py b/aiohttp/web.py
index a5de6fcee54..21522620623 100644
--- a/aiohttp/web.py
+++ b/aiohttp/web.py
@@ -372,8 +372,17 @@ async def _run_app(app: Union[Application, Awaitable[Application]], *,
             names = sorted(str(s.name) for s in runner.sites)
             print("======== Running on {} ========\n"
                   "(Press CTRL+C to quit)".format(', '.join(names)))
+
+        # sleep forever by 1 hour intervals,
+        # on Windows before Python 3.8 wake up every 1 second to handle
+        # Ctrl+C smoothly
+        if sys.platform == "win32" and sys.version_info < 3.8:
+            delay = 1
+        else:
+            delay = 3600
+
         while True:
-            await asyncio.sleep(3600)  # sleep forever by 1 hour intervals
+            await asyncio.sleep(delay)
     finally:
         await runner.cleanup()
 
diff --git a/vendor/http-parser b/vendor/http-parser
index 77310eeb839..2343fd6b521 160000
--- a/vendor/http-parser
+++ b/vendor/http-parser
@@ -1 +1 @@
-Subproject commit 77310eeb839c4251c07184a5db8885a572a08352
+Subproject commit 2343fd6b5214b2ded2cdcf76de2bf60903bb90cd

From 70531d51d78c9776e25b72525e288777a7b93344 Mon Sep 17 00:00:00 2001
From: Andrew Svetlov <andrew.svetlov@gmail.com>
Date: Wed, 21 Oct 2020 10:42:16 +0300
Subject: [PATCH 2/2] Add changelog

---
 CHANGES/5098.bugfix | 2 ++
 1 file changed, 2 insertions(+)
 create mode 100644 CHANGES/5098.bugfix

diff --git a/CHANGES/5098.bugfix b/CHANGES/5098.bugfix
new file mode 100644
index 00000000000..0bd27fe7fb8
--- /dev/null
+++ b/CHANGES/5098.bugfix
@@ -0,0 +1,2 @@
+Make `web.run_app()` more responsive to Ctrl+C on Windows for Python < 3.8. It slightly
+increases CPU load as a side effect.