blob: c6fd05804f86dcf53511950ad405aa308eea74be (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
/*
* Copyright (C) 2006 The Android Open Source Project
*
* Licensed 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 SkThread_platform_DEFINED
#define SkThread_platform_DEFINED
#if defined(ANDROID) && !defined(SK_BUILD_FOR_ANDROID_NDK)
#include <utils/threads.h>
#include <utils/Atomic.h>
#define sk_atomic_inc(addr) android_atomic_inc(addr)
#define sk_atomic_dec(addr) android_atomic_dec(addr)
class SkMutex : android::Mutex {
public:
// if isGlobal is true, then ignore any errors in the platform-specific
// destructor
SkMutex(bool isGlobal = true) {}
~SkMutex() {}
void acquire() { this->lock(); }
void release() { this->unlock(); }
};
#else
/** Implemented by the porting layer, this function adds 1 to the int specified
by the address (in a thread-safe manner), and returns the previous value.
*/
int32_t sk_atomic_inc(int32_t* addr);
/** Implemented by the porting layer, this function subtracts 1 to the int
specified by the address (in a thread-safe manner), and returns the previous
value.
*/
int32_t sk_atomic_dec(int32_t* addr);
class SkMutex {
public:
// if isGlobal is true, then ignore any errors in the platform-specific
// destructor
SkMutex(bool isGlobal = true);
~SkMutex();
void acquire();
void release();
private:
bool fIsGlobal;
enum {
kStorageIntCount = 64
};
uint32_t fStorage[kStorageIntCount];
};
#endif
#endif
|
