Revert of Update mojo sdk to rev e083961bf11fd0c94d40be8853761da529b6d444

mojo/public/go/system/core.go

 // Copyright 2014 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.
 
 package system
 
-import (
-        "unsafe"
+import "mojo/public/go/system/impl"
 
-        t "mojo/public/go/system/impl"
-)
+type Core interface {
+        GetTimeTicksNow() int64
+}
 
-// Core is an interface that defines the set of Mojo system APIs.
-type Core interface {
-        // GetTimeTicksNow returns a monotonically increasing platform
-        // dependent tick count representing "right now". Resolution
-        // depends on the systemconfiguration.
-        GetTimeTicksNow() t.MojoTimeTicks
+var core *impl.CoreImpl
 
-        // Close closes the given handle.
-        Close(handle t.MojoHandle) (result t.MojoResult)
+func init() {
+     core = &impl.CoreImpl{}
+}
 
-        // Wait waits on the given handle until a signal indicated by signals
-        // is satisfied or it becomes known that no signal indicated by
-        // signals will ever be satisified or until deadline has passed.
-        Wait(handle t.MojoHandle, signal t.MojoHandleSignals, deadline t.MojoDeadline) (result t.MojoResult)
-
-        // WaitMany behaves as if Wait were called on each handle/signal pair
-        // simultaneously and completing when the first Wait would complete.
-        WaitMany(handles []t.MojoHandle, signals []t.MojoHandleSignals, deadline t.MojoDeadline) (result t.MojoResult)
-
-        // CreateMessagePipe creates a message pipe which is a bidirectional
-        // communication channel for framed data (i.e., messages). Messages
-        // can contain plain data and/or Mojo handles. On success, it returns
-        // handles to the two endpoints of the message pipe.
-        CreateMessagePipe(opts *t.MessagePipeOptions) (result t.MojoResult, handle0 t.MojoHandle, handle1 t.MojoHandle)
-
-        // WriteMessage writes message data and optional attached handles to
-        // the message pipe endpoint given by handle. On success the attached
-        // handles will no longer be valid (ie: the receiver will receive
-        // equivalent but logically different handles).
-        WriteMessage(handle t.MojoHandle, msg []byte, attached []t.MojoHandle, flags t.MojoWriteMessageFlags) (result t.MojoResult)
-
-        // ReadMessage reads a message from the message pipe endpoint given
-        // by handle with the specified flags. Returns the message data and
-        // attached handles that were received and the number of bytes and
-        // attached handles in the "next" message.
-        ReadMessage(handle t.MojoHandle, flags t.MojoReadMessageFlags) (result t.MojoResult, msg []byte, attached []t.MojoHandle, numBytes uint32, numHandles uint32)
-
-        // CreateDataPipe creates a data pipe which is a unidirectional
-        // communication channel for unframed data. On success, returns a
-        // handle to the producer and consumer of the data pipe.
-        CreateDataPipe(opts *t.DataPipeOptions) (result t.MojoResult, producer t.MojoHandle, consumer t.MojoHandle)
-
-        // WriteData writes data to the data pipe producer handle with the
-        // given flags. On success, returns the number of bytes that were
-        // actually written.
-        WriteData(producer t.MojoHandle, data []byte, flags t.MojoWriteDataFlags) (result t.MojoResult, numBytes uint32)
-
-        // ReadData reads data from the data pipe consumer handle with the
-        // given flags. On success, returns the data that was read.
-        ReadData(consumer t.MojoHandle, flags t.MojoReadDataFlags) (result t.MojoResult, data []byte)
-
-        // CreateSharedBuffer creates a buffer of size numBytes that can be
-        // shared between applications. One must call MapBuffer to access
-        // the buffer.
-        CreateSharedBuffer(opts *t.SharedBufferOptions, numBytes uint64) (result t.MojoResult, handle t.MojoHandle)
-
-        // DuplicateBufferHandle duplicates the handle to a buffer.
-        DuplicateBufferHandle(handle t.MojoHandle, opts *t.DuplicateBufferHandleOptions) (result t.MojoResult, duplicate t.MojoHandle)
-
-        // MapBuffer maps the requested part of the shared buffer given by
-        // handle into memory with specified flags. On success, it returns
-        // a pointer to the requested shared buffer.
-        MapBuffer(handle t.MojoHandle, offset uint64, numBytes uint64, flags t.MojoMapBufferFlags) (result t.MojoResult, buffer unsafe.Pointer)
-
-        // UnmapBuffer unmaps a buffer pointer that was returned by MapBuffer.
-        UnmapBuffer(buffer unsafe.Pointer) (result t.MojoResult)
-}
+func GetCore() Core {
+     return core
+}