Increase MessageAttachmentSet::kMaxDescriptorsPerMessage

ipc/ipc_message_attachment_set.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef IPC_IPC_MESSAGE_ATTACHMENT_SET_H_
 #define IPC_IPC_MESSAGE_ATTACHMENT_SET_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 47 matching lines @@
 
 #if defined(OS_POSIX)
   // This is the maximum number of descriptors per message. We need to know this
   // because the control message kernel interface has to be given a buffer which
   // is large enough to store all the descriptor numbers. Otherwise the kernel
   // tells us that it truncated the control data and the extra descriptors are
   // lost.
   //
   // In debugging mode, it's a fatal error to try and add more than this number
   // of descriptors to a MessageAttachmentSet.
-  static const size_t kMaxDescriptorsPerMessage = 7;
+  static const size_t kMaxDescriptorsPerMessage = 128;
 
   // ---------------------------------------------------------------------------
   // Interfaces for transmission...
 
   // Fill an array with file descriptors without 'consuming' them. CommitAll
   // must be called after these descriptors have been transmitted.
   //   buffer: (output) a buffer of, at least, size() integers.
   void PeekDescriptors(base::PlatformFile* buffer) const;
   // Returns true if any contained file descriptors appear to be handles to a
   // directory.
@@ skipping 30 matching lines @@
   // all the descriptors have been read (with GetNthDescriptor). Secondly, we
   // can check that they are read in order.
   mutable unsigned consumed_descriptor_highwater_;
 
   DISALLOW_COPY_AND_ASSIGN(MessageAttachmentSet);
 };
 
 }  // namespace IPC
 
 #endif  // IPC_IPC_MESSAGE_ATTACHMENT_SET_H_