/* utils/ashmem.h ** ** Copyright 2008 The Android Open Source Project ** ** This file is dual licensed. It may be redistributed and/or modified ** under the terms of the Apache 2.0 License OR version 2 of the GNU ** General Public License. */ #ifndef _UTILS_ASHMEM_H #define _UTILS_ASHMEM_H #include #include #define ASHMEM_NAME_LEN 256 #define ASHMEM_NAME_DEF "dev/ashmem" /* Return values from ASHMEM_PIN: Was the mapping purged while unpinned? */ #define ASHMEM_NOT_REAPED 0 #define ASHMEM_WAS_REAPED 1 /* Return values from ASHMEM_UNPIN: Is the mapping now pinned or unpinned? */ #define ASHMEM_NOW_UNPINNED 0 #define ASHMEM_NOW_PINNED 1 #define __ASHMEMIOC 0x77 #define ASHMEM_SET_NAME _IOW(__ASHMEMIOC, 1, char[ASHMEM_NAME_LEN]) #define ASHMEM_GET_NAME _IOR(__ASHMEMIOC, 2, char[ASHMEM_NAME_LEN]) #define ASHMEM_SET_SIZE _IOW(__ASHMEMIOC, 3, size_t) #define ASHMEM_GET_SIZE _IO(__ASHMEMIOC, 4) #define ASHMEM_SET_PROT_MASK _IOW(__ASHMEMIOC, 5, unsigned long) #define ASHMEM_GET_PROT_MASK _IO(__ASHMEMIOC, 6) #define ASHMEM_PIN _IO(__ASHMEMIOC, 7) #define ASHMEM_UNPIN _IO(__ASHMEMIOC, 8) #define ASHMEM_ISPINNED _IO(__ASHMEMIOC, 9) #define ASHMEM_PURGE_ALL_CACHES _IO(__ASHMEMIOC, 10) #endif /* _UTILS_ASHMEM_H */