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/binder/Static.h>
21 
22 #include <binder/BufferedTextOutput.h>
23 #include <binder/IPCThreadState.h>
24 #include <utils/Log.h>
25 
26 namespace android {
27 
28 // ------------ Text output streams
29 
30 Vector<int32_t> gTextBuffers;
31 
32 class LogTextOutput : public BufferedTextOutput
33 {
34 public:
LogTextOutput()35     LogTextOutput() : BufferedTextOutput(MULTITHREADED) { }
~LogTextOutput()36     virtual ~LogTextOutput() { };
37 
38 protected:
writeLines(const struct iovec & vec,size_t N)39     virtual status_t writeLines(const struct iovec& vec, size_t N)
40     {
41         //android_writevLog(&vec, N);       <-- this is now a no-op
42         if (N != 1) ALOGI("WARNING: writeLines N=%zu\n", N);
43         ALOGI("%.*s", (int)vec.iov_len, (const char*) vec.iov_base);
44         return NO_ERROR;
45     }
46 };
47 
48 class FdTextOutput : public BufferedTextOutput
49 {
50 public:
FdTextOutput(int fd)51     FdTextOutput(int fd) : BufferedTextOutput(MULTITHREADED), mFD(fd) { }
~FdTextOutput()52     virtual ~FdTextOutput() { };
53 
54 protected:
writeLines(const struct iovec & vec,size_t N)55     virtual status_t writeLines(const struct iovec& vec, size_t N)
56     {
57         writev(mFD, &vec, N);
58         return NO_ERROR;
59     }
60 
61 private:
62     int mFD;
63 };
64 
65 static LogTextOutput gLogTextOutput;
66 static FdTextOutput gStdoutTextOutput(STDOUT_FILENO);
67 static FdTextOutput gStderrTextOutput(STDERR_FILENO);
68 
69 TextOutput& alog(gLogTextOutput);
70 TextOutput& aout(gStdoutTextOutput);
71 TextOutput& aerr(gStderrTextOutput);
72 
73 // ------------ ProcessState.cpp
74 
75 Mutex gProcessMutex;
76 sp<ProcessState> gProcess;
77 
78 class LibBinderIPCtStatics
79 {
80 public:
LibBinderIPCtStatics()81     LibBinderIPCtStatics()
82     {
83     }
84 
~LibBinderIPCtStatics()85     ~LibBinderIPCtStatics()
86     {
87         IPCThreadState::shutdown();
88     }
89 };
90 
91 static LibBinderIPCtStatics gIPCStatics;
92 
93 // ------------ IServiceManager.cpp
94 
95 Mutex gDefaultServiceManagerLock;
96 sp<IServiceManager> gDefaultServiceManager;
97 sp<IPermissionController> gPermissionController;
98 
99 }   // namespace android
100