From: Woo Xie <woo@fb.com>
Date: Mon, 12 Oct 2015 22:48:56 +0000 (-0700)
Subject: add shutdownWrite to wangle for closing socket write only
X-Git-Tag: deprecate-dynamic-initializer~340
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=09417cff863744a9e1aed90d243ceae8bda3cd3b;p=folly.git

add shutdownWrite to wangle for closing socket write only

Summary: current wangle has no way to close socket write side. writeFlags is extended so that wangle/AsyncSocketHandler can distinguish closeNow(), closeWithReset() and shutdownWrite()

Reviewed By: @viswanathgs

Differential Revision: D2522056

fb-gh-sync-id: 60616176d78311a4a09f9761a6ccda01dd502a88
---

diff --git a/folly/io/async/AsyncTransport.h b/folly/io/async/AsyncTransport.h
index 3086958b..ee8e8ea6 100644
--- a/folly/io/async/AsyncTransport.h
+++ b/folly/io/async/AsyncTransport.h
@@ -56,6 +56,10 @@ enum class WriteFlags : uint32_t {
    * will be acknowledged.
    */
   EOR = 0x02,
+  /*
+   * this indicates that only the write side of socket should be shutdown
+   */
+  WRITE_SHUTDOWN = 0x04,
 };
 
 /*