73 lines
2.5 KiB
C
73 lines
2.5 KiB
C
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/****************************************************************************
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* include/sys/memfd.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __INCLUDE_SYS_MEMFD_H
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#define __INCLUDE_SYS_MEMFD_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <fcntl.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define MFD_CLOEXEC O_CLOEXEC
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#define MFD_ALLOW_SEALING (1 << 16)
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#define MFD_HUGETLB (1 << 17)
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#define MFD_HUGE_SHIFT 26
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#define MFD_HUGE_MASK 0x3f
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#define MFD_HUGE_64KB (16 << MFD_HUGE_SHIFT)
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#define MFD_HUGE_512KB (19 << MFD_HUGE_SHIFT)
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#define MFD_HUGE_1MB (20 << MFD_HUGE_SHIFT)
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#define MFD_HUGE_2MB (21 << MFD_HUGE_SHIFT)
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#define MFD_HUGE_8MB (23 << MFD_HUGE_SHIFT)
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#define MFD_HUGE_16MB (24 << MFD_HUGE_SHIFT)
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#define MFD_HUGE_32MB (25 << MFD_HUGE_SHIFT)
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#define MFD_HUGE_256MB (28 << MFD_HUGE_SHIFT)
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#define MFD_HUGE_512MB (29 << MFD_HUGE_SHIFT)
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#define MFD_HUGE_1GB (30 << MFD_HUGE_SHIFT)
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#define MFD_HUGE_2GB (31 << MFD_HUGE_SHIFT)
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#define MFD_HUGE_16GB (34 << MFD_HUGE_SHIFT)
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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int memfd_create(FAR const char *name, unsigned int flags);
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __INCLUDE_SYS_MEMFD_H */
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