| // Copyright 2016 The Fuchsia Authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style license that can be | |
| // found in the LICENSE file. | |
| #include <runtime/message.h> | |
| #include <magenta/syscalls.h> | |
| #include <stddef.h> | |
| mx_status_t mxr_message_size(mx_handle_t msg_pipe, | |
| uint32_t* nbytes, uint32_t* nhandles) { | |
| mx_status_t status = _mx_channel_read( | |
| msg_pipe, 0, NULL, NULL, 0, 0, nbytes, nhandles); | |
| if (status == MX_ERR_BUFFER_TOO_SMALL) | |
| status = MX_OK; | |
| return status; | |
| } |