1 files changed, 63 insertions, 0 deletions
diff --git a/src/libs/3rdparty/winpty/misc/DebugServer.py b/src/libs/3rdparty/winpty/misc/DebugServer.py
new file mode 100644
index 0000000000..3fc068bae7
--- /dev/null
+++ b/src/libs/3rdparty/winpty/misc/DebugServer.py
@@ -0,0 +1,63 @@
+#!python
+#
+# Run with native CPython.  Needs pywin32 extensions.
+
+# Copyright (c) 2011-2012 Ryan Prichard
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to
+# deal in the Software without restriction, including without limitation the
+# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+# sell copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+# IN THE SOFTWARE.
+
+import win32pipe
+import win32api
+import win32file
+import time
+import threading
+import sys
+
+# A message may not be larger than this size.
+MSG_SIZE=4096
+
+serverPipe = win32pipe.CreateNamedPipe(
+    "\\\\.\\pipe\\DebugServer",
+    win32pipe.PIPE_ACCESS_DUPLEX,
+    win32pipe.PIPE_TYPE_MESSAGE | win32pipe.PIPE_READMODE_MESSAGE,
+    win32pipe.PIPE_UNLIMITED_INSTANCES,
+    MSG_SIZE,
+    MSG_SIZE,
+    10 * 1000,
+    None)
+while True:
+    win32pipe.ConnectNamedPipe(serverPipe, None)
+    (ret, data) = win32file.ReadFile(serverPipe, MSG_SIZE)
+    print(data.decode())
+    sys.stdout.flush()
+
+    # The client uses CallNamedPipe to send its message.  CallNamedPipe waits
+    # for a reply message.  If I send a reply, however, using WriteFile, then
+    # sometimes WriteFile fails with:
+    #     pywintypes.error: (232, 'WriteFile', 'The pipe is being closed.')
+    # I can't figure out how to write a strictly correct pipe server, but if
+    # I comment out the WriteFile line, then everything seems to work.  I
+    # think the DisconnectNamedPipe call aborts the client's CallNamedPipe
+    # call normally.
+
+    try:
+        win32file.WriteFile(serverPipe, b'OK')
+    except:
+        pass
+    win32pipe.DisconnectNamedPipe(serverPipe)