fa2e1897ea
https://man7.org/linux/man-pages/man2/memfd_create.2.html Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
73 lines
2.5 KiB
C
73 lines
2.5 KiB
C
/****************************************************************************
|
|
* include/sys/memfd.h
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifndef __INCLUDE_SYS_MEMFD_H
|
|
#define __INCLUDE_SYS_MEMFD_H
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <fcntl.h>
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
#define MFD_CLOEXEC O_CLOEXEC
|
|
#define MFD_ALLOW_SEALING (1 << 16)
|
|
#define MFD_HUGETLB (1 << 17)
|
|
|
|
#define MFD_HUGE_SHIFT 26
|
|
#define MFD_HUGE_MASK 0x3f
|
|
#define MFD_HUGE_64KB (16 << MFD_HUGE_SHIFT)
|
|
#define MFD_HUGE_512KB (19 << MFD_HUGE_SHIFT)
|
|
#define MFD_HUGE_1MB (20 << MFD_HUGE_SHIFT)
|
|
#define MFD_HUGE_2MB (21 << MFD_HUGE_SHIFT)
|
|
#define MFD_HUGE_8MB (23 << MFD_HUGE_SHIFT)
|
|
#define MFD_HUGE_16MB (24 << MFD_HUGE_SHIFT)
|
|
#define MFD_HUGE_32MB (25 << MFD_HUGE_SHIFT)
|
|
#define MFD_HUGE_256MB (28 << MFD_HUGE_SHIFT)
|
|
#define MFD_HUGE_512MB (29 << MFD_HUGE_SHIFT)
|
|
#define MFD_HUGE_1GB (30 << MFD_HUGE_SHIFT)
|
|
#define MFD_HUGE_2GB (31 << MFD_HUGE_SHIFT)
|
|
#define MFD_HUGE_16GB (34 << MFD_HUGE_SHIFT)
|
|
|
|
/****************************************************************************
|
|
* Public Function Prototypes
|
|
****************************************************************************/
|
|
|
|
#ifdef __cplusplus
|
|
#define EXTERN extern "C"
|
|
extern "C"
|
|
{
|
|
#else
|
|
#define EXTERN extern
|
|
#endif
|
|
|
|
int memfd_create(FAR const char *name, unsigned int flags);
|
|
|
|
#undef EXTERN
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* __INCLUDE_SYS_MEMFD_H */
|