uvisor_semaphore_exports.h

00001 /*
00002  * Copyright (c) 2016, ARM Limited, All Rights Reserved
00003  * SPDX-License-Identifier: Apache-2.0
00004  *
00005  * Licensed under the Apache License, Version 2.0 (the "License"); you may
00006  * not use this file except in compliance with the License.
00007  * You may obtain a copy of the License at
00008  *
00009  * http://www.apache.org/licenses/LICENSE-2.0
00010  *
00011  * Unless required by applicable law or agreed to in writing, software
00012  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
00013  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00014  * See the License for the specific language governing permissions and
00015  * limitations under the License.
00016  */
00017 #ifndef __UVISOR_API_UVISOR_SEMAPHORE_EXPORTS_H__
00018 #define __UVISOR_API_UVISOR_SEMAPHORE_EXPORTS_H__
00019 
00020 #include "api/inc/uvisor_exports.h"
00021 
00022 /* This must be big enough for all operating systems uVisor runs on. */
00023 #define UVISOR_SEMAPHORE_INTERNAL_SIZE (16)
00024 
00025 /* An opaque structure, that one knows the size of so that they can allocate
00026  * memory. */
00027 typedef struct uvisor_semaphore {
00028     uint8_t internal[UVISOR_SEMAPHORE_INTERNAL_SIZE];
00029 } UVISOR_ALIGN(4) UvisorSemaphore;
00030 
00031 #endif