Thu, 15 Jan 2015 21:03:48 +0100
Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)
1 /*
2 * Copyright 2008 The Android Open Source Project
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
8 #ifndef _CUTILS_ASHMEM_H
9 #define _CUTILS_ASHMEM_H
11 #include <stddef.h>
13 #ifdef __cplusplus
14 extern "C" {
15 #endif
17 int ashmem_create_region(const char *name, size_t size);
18 int ashmem_set_prot_region(int fd, int prot);
20 /**
21 * @return ASHMEM_NOT_PURGED if the memory was not purged.
22 * ASHMEM_WAS_PURGED if the memory was purged.
23 * -1 on error.
24 */
25 int ashmem_pin_region(int fd, size_t offset, size_t len);
26 int ashmem_unpin_region(int fd, size_t offset, size_t len);
27 int ashmem_get_size_region(int fd);
28 int ashmem_purge_all_caches(int fd);
30 #ifdef __cplusplus
31 }
32 #endif
34 #ifndef __ASHMEMIOC /* in case someone included <linux/ashmem.h> too */
36 #define ASHMEM_NAME_LEN 256
38 #define ASHMEM_NAME_DEF "dev/ashmem"
40 /* Return values from ASHMEM_PIN: Was the mapping purged while unpinned? */
41 #define ASHMEM_NOT_PURGED 0
42 #define ASHMEM_WAS_PURGED 1
44 /* Return values from ASHMEM_UNPIN: Is the mapping now pinned or unpinned? */
45 #define ASHMEM_IS_UNPINNED 0
46 #define ASHMEM_IS_PINNED 1
48 #endif /* ! __ASHMEMIOC */
50 #endif /* _CUTILS_ASHMEM_H */