Change the IO buffer size on Windows to 32k

runtime/bin/eventhandler_win.cc

Index: runtime/bin/eventhandler_win.cc
diff --git a/runtime/bin/eventhandler_win.cc b/runtime/bin/eventhandler_win.cc
index cb193a640ae6145aea6ebf7c0c87275473572ffd..9e31485a6f4b05d89a309d6df86bbb2d18f5ebef 100644
--- a/runtime/bin/eventhandler_win.cc
+++ b/runtime/bin/eventhandler_win.cc
@@ -20,6 +20,8 @@
 #include "platform/thread.h"
 
 
+#define BUFFER_SIZE 32 * 1024

[Mads Ager (google), 2013/03/19 15:11:20]

Please use a constant as below.

static const int kBufferSize = 32 * 1024;

[Søren Gjesse, 2013/03/19 15:26:48]

Done.

+
 static const int kInfinityTimeout = -1;
 static const int kTimeoutId = -1;
 static const int kShutdownId = -2;
@@ -234,7 +236,7 @@ bool Handle::IssueRead() {
   ScopedLock lock(this);
   ASSERT(type_ != kListenSocket);
   ASSERT(pending_read_ == NULL);
-  IOBuffer* buffer = IOBuffer::AllocateReadBuffer(1024);
+  IOBuffer* buffer = IOBuffer::AllocateReadBuffer(BUFFER_SIZE);
   if (SupportsOverlappedIO()) {
     ASSERT(completion_port_ != INVALID_HANDLE_VALUE);
 
@@ -491,7 +493,7 @@ int Handle::Write(const void* buffer, int num_bytes) {
   if (SupportsOverlappedIO()) {
     if (pending_write_ != NULL) return 0;
     if (completion_port_ == INVALID_HANDLE_VALUE) return 0;
-    if (num_bytes > 4096) num_bytes = 4096;
+    if (num_bytes > BUFFER_SIZE) num_bytes = BUFFER_SIZE;
     pending_write_ = IOBuffer::AllocateWriteBuffer(num_bytes);
     pending_write_->Write(buffer, num_bytes);
     if (!IssueWrite()) return -1;