Make MojoResults positive.

mojo/public/go/system/mojo_types.go

 // Copyright 2015 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 "math"
 
 // Go equivalent definitions of the various system types defined in Mojo.
 // mojo/public/c/system/types.h
@@ skipping 12 matching lines @@
 type MojoCreateDataPipeOptionsFlags uint32
 type MojoCreateMessagePipeOptionsFlags uint32
 type MojoCreateSharedBufferOptionsFlags uint32
 type MojoDuplicateBufferHandleOptionsFlags uint32
 type MojoMapBufferFlags uint32
 
 const (
         MOJO_DEADLINE_INDEFINITE        MojoDeadline = math.MaxUint64
         MOJO_HANDLE_INVALID             MojoHandle   = 0
         MOJO_RESULT_OK                  MojoResult   = 0
-        MOJO_RESULT_CANCELLED           MojoResult   = -1
-        MOJO_RESULT_UNKNOWN             MojoResult   = -2
-        MOJO_RESULT_INVALID_ARGUMENT    MojoResult   = -3
-        MOJO_RESULT_DEADLINE_EXCEEDED   MojoResult   = -4
-        MOJO_RESULT_NOT_FOUND           MojoResult   = -5
-        MOJO_RESULT_ALREADY_EXISTS      MojoResult   = -6
-        MOJO_RESULT_PERMISSION_DENIED   MojoResult   = -7
-        MOJO_RESULT_RESOURCE_EXHAUSTED  MojoResult   = -8
-        MOJO_RESULT_FAILED_PRECONDITION MojoResult   = -9
-        MOJO_RESULT_ABORTED             MojoResult   = -10
-        MOJO_RESULT_OUT_OF_RANGE        MojoResult   = -11
-        MOJO_RESULT_UNIMPLEMENTED       MojoResult   = -12
-        MOJO_RESULT_INTERNAL            MojoResult   = -13
-        MOJO_RESULT_UNAVAILABLE         MojoResult   = -14
-        MOJO_RESULT_DATA_LOSS           MojoResult   = -15
-        MOJO_RESULT_BUSY                MojoResult   = -16
-        MOJO_RESULT_SHOULD_WAIT         MojoResult   = -17
+        MOJO_RESULT_CANCELLED           MojoResult   = 1
+        MOJO_RESULT_UNKNOWN             MojoResult   = 2
+        MOJO_RESULT_INVALID_ARGUMENT    MojoResult   = 3
+        MOJO_RESULT_DEADLINE_EXCEEDED   MojoResult   = 4
+        MOJO_RESULT_NOT_FOUND           MojoResult   = 5
+        MOJO_RESULT_ALREADY_EXISTS      MojoResult   = 6
+        MOJO_RESULT_PERMISSION_DENIED   MojoResult   = 7
+        MOJO_RESULT_RESOURCE_EXHAUSTED  MojoResult   = 8
+        MOJO_RESULT_FAILED_PRECONDITION MojoResult   = 9
+        MOJO_RESULT_ABORTED             MojoResult   = 10
+        MOJO_RESULT_OUT_OF_RANGE        MojoResult   = 11
+        MOJO_RESULT_UNIMPLEMENTED       MojoResult   = 12
+        MOJO_RESULT_INTERNAL            MojoResult   = 13
+        MOJO_RESULT_UNAVAILABLE         MojoResult   = 14
+        MOJO_RESULT_DATA_LOSS           MojoResult   = 15
+        MOJO_RESULT_BUSY                MojoResult   = 16
+        MOJO_RESULT_SHOULD_WAIT         MojoResult   = 17
 
         MOJO_HANDLE_SIGNAL_NONE        MojoHandleSignals = 0
         MOJO_HANDLE_SIGNAL_READABLE    MojoHandleSignals = 1 << 0
         MOJO_HANDLE_SIGNAL_WRITABLE    MojoHandleSignals = 1 << 1
         MOJO_HANDLE_SIGNAL_PEER_CLOSED MojoHandleSignals = 1 << 2
 
         MOJO_WRITE_MESSAGE_FLAG_NONE       MojoWriteMessageFlags = 0
         MOJO_READ_MESSAGE_FLAG_NONE        MojoReadMessageFlags  = 0
         MOJO_READ_MESSAGE_FLAG_MAY_DISCARD MojoReadMessageFlags  = 1 << 0
 
@@ skipping 58 matching lines @@
 // shared buffer.
 type SharedBufferOptions struct {
         flags MojoCreateSharedBufferOptionsFlags
 }
 
 // DuplicateBufferHandleOptions is used to specify parameters in
 // duplicating access to a shared buffer.
 type DuplicateBufferHandleOptions struct {
         flags MojoDuplicateBufferHandleOptionsFlags
 }