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Side by Side Diff: third_party/hwcplus/include/cutils/native_handle.h

Issue 2643643008: Delete third_party/hwcplus/ (Closed)
Patch Set: Created 3 years, 11 months ago
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1 /*
2 * Copyright (C) 2009 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #ifndef NATIVE_HANDLE_H_
18 #define NATIVE_HANDLE_H_
19
20 #ifdef __cplusplus
21 extern "C" {
22 #endif
23
24 typedef struct native_handle
25 {
26 int version; /* sizeof(native_handle_t) */
27 int numFds; /* number of file-descriptors at &data[0] */
28 int numInts; /* number of ints at &data[numFds] */
29 int data[0]; /* numFds + numInts ints */
30 } native_handle_t;
31
32 /*
33 * native_handle_close
34 *
35 * closes the file descriptors contained in this native_handle_t
36 *
37 * return 0 on success, or a negative error code on failure
38 *
39 */
40 int native_handle_close(const native_handle_t* h);
41
42
43 /*
44 * native_handle_create
45 *
46 * creates a native_handle_t and initializes it. must be destroyed with
47 * native_handle_delete().
48 *
49 */
50 native_handle_t* native_handle_create(int numFds, int numInts);
51
52 /*
53 * native_handle_delete
54 *
55 * frees a native_handle_t allocated with native_handle_create().
56 * This ONLY frees the memory allocated for the native_handle_t, but doesn't
57 * close the file descriptors; which can be achieved with native_handle_close().
58 *
59 * return 0 on success, or a negative error code on failure
60 *
61 */
62 int native_handle_delete(native_handle_t* h);
63
64
65 #ifdef __cplusplus
66 }
67 #endif
68
69 #endif /* NATIVE_HANDLE_H_ */
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