Static.cpp revision 25ba5b6564224dceefa086b5c439ef28dad530ca 
1/*
2 * Copyright (C) 2008 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// All static variables go here, to control initialization and
18// destruction order in the library.
19
20#include <private/utils/Static.h>
21
22#include <utils/BufferedTextOutput.h>
23#include <utils/Log.h>
24
25namespace android {
26
27class LibUtilsFirstStatics
28{
29public:
30    LibUtilsFirstStatics()
31    {
32        initialize_string8();
33        initialize_string16();
34    }
35
36    ~LibUtilsFirstStatics()
37    {
38        terminate_string16();
39        terminate_string8();
40    }
41};
42
43static LibUtilsFirstStatics gFirstStatics;
44int gDarwinCantLoadAllObjects = 1;
45
46// ------------ Text output streams
47
48Vector<int32_t> gTextBuffers;
49
50class LogTextOutput : public BufferedTextOutput
51{
52public:
53    LogTextOutput() : BufferedTextOutput(MULTITHREADED) { }
54    virtual ~LogTextOutput() { };
55
56protected:
57    virtual status_t writeLines(const struct iovec& vec, size_t N)
58    {
59        android_writevLog(&vec, N);
60        return NO_ERROR;
61    }
62};
63
64class FdTextOutput : public BufferedTextOutput
65{
66public:
67    FdTextOutput(int fd) : BufferedTextOutput(MULTITHREADED), mFD(fd) { }
68    virtual ~FdTextOutput() { };
69
70protected:
71    virtual status_t writeLines(const struct iovec& vec, size_t N)
72    {
73        writev(mFD, &vec, N);
74        return NO_ERROR;
75    }
76
77private:
78    int mFD;
79};
80
81static LogTextOutput gLogTextOutput;
82static FdTextOutput gStdoutTextOutput(STDOUT_FILENO);
83static FdTextOutput gStderrTextOutput(STDERR_FILENO);
84
85TextOutput& alog(gLogTextOutput);
86TextOutput& aout(gStdoutTextOutput);
87TextOutput& aerr(gStderrTextOutput);
88
89}   // namespace android
90