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| author | The Android Open Source Project <initial-contribution@android.com> | 2008-10-21 07:00:00 -0700 |
|---|---|---|
| committer | Alex Ray <aray@google.com> | 2013-07-30 13:56:46 -0700 |
| commit | d245d1d09731d6a19e8a25559d3907f54441ac3d (patch) | |
| tree | b79df48666f286bd33efb4ffdbf4b3fa28f5dd91 /include/utils/ashmem.h | |
| parent | 13f4c9fb279f1b34a3b47a6eac80b8a09d2d3a79 (diff) | |
| download | core-d245d1d09731d6a19e8a25559d3907f54441ac3d.tar.gz core-d245d1d09731d6a19e8a25559d3907f54441ac3d.tar.bz2 core-d245d1d09731d6a19e8a25559d3907f54441ac3d.zip | |
Initial Contribution
Diffstat (limited to 'include/utils/ashmem.h')
| -rw-r--r-- | include/utils/ashmem.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/include/utils/ashmem.h b/include/utils/ashmem.h new file mode 100644 index 000000000..085477578 --- /dev/null +++ b/include/utils/ashmem.h @@ -0,0 +1,41 @@ +/* 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 <linux/limits.h> +#include <linux/ioctl.h> + +#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 */ |