1 // Copyright 2018 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 module mojo_base.mojom; 6 7 // Wraps a shared memory handle with additional type information to convey that 8 // the handle is only mappable to read-only memory. 9 struct ReadOnlySharedMemoryRegion { 10 handle<shared_buffer> buffer; 11 }; 12 13 // Wraps a shared memory handle with additional type information to convey that 14 // the handle is mappable to writable memory but can also be converted to 15 // a ReadOnlySharedMemoryRegion for sharing with other clients. 16 struct WritableSharedMemoryRegion { 17 handle<shared_buffer> buffer; 18 }; 19 20 // Wraps a shared memory handle with additional type information to convey that 21 // the handle is always mappable to writable memory by any client which obtains 22 // a handle duplicated from this one. 23 struct UnsafeSharedMemoryRegion { 24 handle<shared_buffer> buffer; 25 }; 26
