Revert of Update mojo sdk to rev e083961bf11fd0c94d40be8853761da529b6d444

mojo/public/go/system/impl/core_impl.go

Index: mojo/public/go/system/impl/core_impl.go
diff --git a/mojo/public/go/system/impl/core_impl.go b/mojo/public/go/system/impl/core_impl.go
index 601ebd2fb26cb5ab2dba0321977844ac4fccbb24..b2695836334c1724d588e55dac45529c617080bd 100644
--- a/mojo/public/go/system/impl/core_impl.go
+++ b/mojo/public/go/system/impl/core_impl.go
@@ -7,103 +7,10 @@
 //#include "mojo/public/platform/native/system_thunks.h"
 //#include "mojo/public/c/system/main.h"
 import "C"
-import "unsafe"
 
-var core *CoreImpl
-
-func init() {
-	core = &CoreImpl{}
-}
-
-// CoreImpl is an implementation of the Mojo system APIs.
 type CoreImpl struct {
 }
 
-func GetCore() *CoreImpl {
-	return core
+func (c *CoreImpl) GetTimeTicksNow() int64 {
+  return (int64)(C.MojoGetTimeTicksNow())
 }
-
-func (c *CoreImpl) GetTimeTicksNow() MojoTimeTicks {
-	return (MojoTimeTicks)(C.MojoGetTimeTicksNow())
-}
-
-func (c *CoreImpl) Close(handle MojoHandle) MojoResult {
-	return (MojoResult)(C.MojoClose(handle.cType()))
-}
-
-func (c *CoreImpl) Wait(handle MojoHandle, signal MojoHandleSignals, deadline MojoDeadline) MojoResult {
-	return (MojoResult)(C.MojoWait(handle.cType(), signal.cType(), deadline.cType()))
-}
-
-func (c *CoreImpl) WaitMany(handles []MojoHandle, signals []MojoHandleSignals, deadline MojoDeadline) MojoResult {
-	return (MojoResult)(C.MojoWaitMany(cArrayMojoHandle(handles), cArrayMojoHandleSignals(signals), (C.uint32_t)(len(handles)), deadline.cType()))
-}
-
-func (c *CoreImpl) CreateMessagePipe(opts *MessagePipeOptions) (MojoResult, MojoHandle, MojoHandle) {
-	var handle0, handle1 C.MojoHandle
-	result := C.MojoCreateMessagePipe(opts.cType(), &handle0, &handle1)
-	return (MojoResult)(result), (MojoHandle)(handle0), (MojoHandle)(handle1)
-}
-
-func (c *CoreImpl) WriteMessage(handle MojoHandle, msg []byte, attached []MojoHandle, flags MojoWriteMessageFlags) MojoResult {
-	return (MojoResult)(C.MojoWriteMessage(handle.cType(), cArrayBytes(msg), (C.uint32_t)(len(msg)), cArrayMojoHandle(attached), (C.uint32_t)(len(attached)), flags.cType()))
-}
-
-func (c *CoreImpl) ReadMessage(handle MojoHandle, flags MojoReadMessageFlags) (MojoResult, []byte, []MojoHandle, uint32, uint32) {
-	var num_bytes, num_handles C.uint32_t
-	if result := C.MojoReadMessage(handle.cType(), nil, &num_bytes, nil, &num_handles, flags.cType()); result != C.MOJO_RESULT_RESOURCE_EXHAUSTED {
-		return (MojoResult)(result), nil, nil, 0, 0
-	}
-	msg := make([]byte, (uint32)(num_bytes))
-	attached := make([]MojoHandle, (uint32)(num_handles))
-	result := C.MojoReadMessage(handle.cType(), cArrayBytes(msg), &num_bytes, cArrayMojoHandle(attached), &num_handles, (C.MojoReadMessageFlags)(flags))
-	return (MojoResult)(result), msg, attached, (uint32)(num_bytes), (uint32)(num_handles)
-}
-
-func (c *CoreImpl) CreateDataPipe(opts *DataPipeOptions) (MojoResult, MojoHandle, MojoHandle) {
-	var producer, consumer C.MojoHandle
-	result := C.MojoCreateDataPipe(opts.cType(), &producer, &consumer)
-	return (MojoResult)(result), (MojoHandle)(producer), (MojoHandle)(consumer)
-}
-
-func (c *CoreImpl) WriteData(producer MojoHandle, data []byte, flags MojoWriteDataFlags) (MojoResult, uint32) {
-	num_bytes := (C.uint32_t)(len(data))
-	result := C.MojoWriteData(producer.cType(), cArrayBytes(data), &num_bytes, flags.cType())
-	return (MojoResult)(result), (uint32)(num_bytes)
-}
-
-func (c *CoreImpl) ReadData(consumer MojoHandle, flags MojoReadDataFlags) (MojoResult, []byte) {
-	var num_bytes C.uint32_t
-	var result C.MojoResult
-	if result = C.MojoReadData(consumer.cType(), nil, &num_bytes, C.MOJO_READ_DATA_FLAG_QUERY); result != C.MOJO_RESULT_OK {
-		return (MojoResult)(result), nil
-	}
-	data := make([]byte, (uint32)(num_bytes))
-	result = C.MojoReadData(consumer.cType(), cArrayBytes(data), &num_bytes, flags.cType())
-	return (MojoResult)(result), data
-}
-
-func (c *CoreImpl) CreateSharedBuffer(opts *SharedBufferOptions, numBytes uint64) (MojoResult, MojoHandle) {
-	var handle C.MojoHandle
-	result := C.MojoCreateSharedBuffer(opts.cType(), (C.uint64_t)(numBytes), &handle)
-	return (MojoResult)(result), (MojoHandle)(handle)
-}
-
-func (c *CoreImpl) DuplicateBufferHandle(handle MojoHandle, opts *DuplicateBufferHandleOptions) (MojoResult, MojoHandle) {
-	var duplicate C.MojoHandle
-	result := C.MojoDuplicateBufferHandle(handle.cType(), opts.cType(), &duplicate)
-	return (MojoResult)(result), (MojoHandle)(duplicate)
-}
-
-func (c *CoreImpl) MapBuffer(handle MojoHandle, offset uint64, numBytes uint64, flags MojoMapBufferFlags) (MojoResult, unsafe.Pointer) {
-	var bufPtr unsafe.Pointer
-	result := C.MojoMapBuffer(handle.cType(), (C.uint64_t)(offset), (C.uint64_t)(numBytes), &bufPtr, flags.cType())
-	if result != C.MOJO_RESULT_OK {
-		return (MojoResult)(result), nil
-	}
-	return MOJO_RESULT_OK, bufPtr
-}
-
-func (c *CoreImpl) UnmapBuffer(buffer unsafe.Pointer) MojoResult {
-	return (MojoResult)(C.MojoUnmapBuffer(buffer))
-}