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);       <-- this is now a no-op
60        if (N != 1) LOGI("WARNING: writeLines N=%d\n", N);
61        LOGI("%.*s", vec.iov_len, (const char*) vec.iov_base);
62        return NO_ERROR;
63    }
64};
65
66class FdTextOutput : public BufferedTextOutput
67{
68public:
69    FdTextOutput(int fd) : BufferedTextOutput(MULTITHREADED), mFD(fd) { }
70    virtual ~FdTextOutput() { };
71
72protected:
73    virtual status_t writeLines(const struct iovec& vec, size_t N)
74    {
75        writev(mFD, &vec, N);
76        return NO_ERROR;
77    }
78
79private:
80    int mFD;
81};
82
83static LogTextOutput gLogTextOutput;
84static FdTextOutput gStdoutTextOutput(STDOUT_FILENO);
85static FdTextOutput gStderrTextOutput(STDERR_FILENO);
86
87TextOutput& alog(gLogTextOutput);
88TextOutput& aout(gStdoutTextOutput);
89TextOutput& aerr(gStderrTextOutput);
90
91}   // namespace android
92