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Fix ListenerSecondary so it reliably accepts new connections on Windows 

Calling uv_read_start on a named pipe with a larger than necessary buffer
would cause pieces of the next uv_ipc_frame_uv_stream struct to be read into
the uv_read_start buffer when a lot of tcp handles were passed quickly over
the pipe.

This prevented the struct from properly being queued for the next call to
uv_accept to consume. The empty queue caused the call to uv_accept in
ListenerSecondary to fail and return WSAEWOULDBLOCK leaving the connection
in a zombie state.
This commit is contained in:
Stephen Halter 2015-08-11 00:55:39 -07:00
parent c0cc511b5b
commit 6a01043e1a
1 changed files with 2 additions and 2 deletions
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4
src/Microsoft.AspNet.Server.Kestrel/Http/ListenerSecondary.cs
View File

@ -50,8 +50,8 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
try
{
var ptr = Marshal.AllocHGlobal(16);
var buf = Thread.Loop.Libuv.buf_init(ptr, 16);
var ptr = Marshal.AllocHGlobal(4);
var buf = Thread.Loop.Libuv.buf_init(ptr, 4);
DispatchPipe.ReadStart(
(_1, _2, _3) => buf,