openpilot v0.6 release

phonelibs/android_frameworks_native/include/binder/IPCThreadState.h

@@ -0,0 +1,135 @@
+/*
+ * Copyright (C) 2005 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 ANDROID_IPC_THREAD_STATE_H
+#define ANDROID_IPC_THREAD_STATE_H
+
+#include <utils/Errors.h>
+#include <binder/Parcel.h>
+#include <binder/ProcessState.h>
+#include <utils/Vector.h>
+
+#if defined(_WIN32)
+typedef  int  uid_t;
+#endif
+
+// ---------------------------------------------------------------------------
+namespace android {
+
+class IPCThreadState
+{
+public:
+    static  IPCThreadState*     self();
+    static  IPCThreadState*     selfOrNull();  // self(), but won't instantiate
+    
+            sp<ProcessState>    process();
+            
+            status_t            clearLastError();
+
+            pid_t               getCallingPid() const;
+            uid_t               getCallingUid() const;
+
+            void                setStrictModePolicy(int32_t policy);
+            int32_t             getStrictModePolicy() const;
+
+            void                setLastTransactionBinderFlags(int32_t flags);
+            int32_t             getLastTransactionBinderFlags() const;
+
+            int64_t             clearCallingIdentity();
+            void                restoreCallingIdentity(int64_t token);
+            
+            int                 setupPolling(int* fd);
+            status_t            handlePolledCommands();
+            void                flushCommands();
+
+            void                joinThreadPool(bool isMain = true);
+            
+            // Stop the local process.
+            void                stopProcess(bool immediate = true);
+            
+            status_t            transact(int32_t handle,
+                                         uint32_t code, const Parcel& data,
+                                         Parcel* reply, uint32_t flags);
+
+            void                incStrongHandle(int32_t handle);
+            void                decStrongHandle(int32_t handle);
+            void                incWeakHandle(int32_t handle);
+            void                decWeakHandle(int32_t handle);
+            status_t            attemptIncStrongHandle(int32_t handle);
+    static  void                expungeHandle(int32_t handle, IBinder* binder);
+            status_t            requestDeathNotification(   int32_t handle,
+                                                            BpBinder* proxy); 
+            status_t            clearDeathNotification( int32_t handle,
+                                                        BpBinder* proxy); 
+
+    static  void                shutdown();
+
+    // Call this to disable switching threads to background scheduling when
+    // receiving incoming IPC calls.  This is specifically here for the
+    // Android system process, since it expects to have background apps calling
+    // in to it but doesn't want to acquire locks in its services while in
+    // the background.
+    static  void                disableBackgroundScheduling(bool disable);
+
+            // Call blocks until the number of executing binder threads is less than
+            // the maximum number of binder threads threads allowed for this process.
+            void                blockUntilThreadAvailable();
+
+private:
+                                IPCThreadState();
+                                ~IPCThreadState();
+
+            status_t            sendReply(const Parcel& reply, uint32_t flags);
+            status_t            waitForResponse(Parcel *reply,
+                                                status_t *acquireResult=NULL);
+            status_t            talkWithDriver(bool doReceive=true);
+            status_t            writeTransactionData(int32_t cmd,
+                                                     uint32_t binderFlags,
+                                                     int32_t handle,
+                                                     uint32_t code,
+                                                     const Parcel& data,
+                                                     status_t* statusBuffer);
+            status_t            getAndExecuteCommand();
+            status_t            executeCommand(int32_t command);
+            void                processPendingDerefs();
+
+            void                clearCaller();
+
+    static  void                threadDestructor(void *st);
+    static  void                freeBuffer(Parcel* parcel,
+                                           const uint8_t* data, size_t dataSize,
+                                           const binder_size_t* objects, size_t objectsSize,
+                                           void* cookie);
+    
+    const   sp<ProcessState>    mProcess;
+    const   pid_t               mMyThreadId;
+            Vector<BBinder*>    mPendingStrongDerefs;
+            Vector<RefBase::weakref_type*> mPendingWeakDerefs;
+
+            Parcel              mIn;
+            Parcel              mOut;
+            status_t            mLastError;
+            pid_t               mCallingPid;
+            uid_t               mCallingUid;
+            int32_t             mStrictModePolicy;
+            int32_t             mLastTransactionBinderFlags;
+};
+
+}; // namespace android
+
+// ---------------------------------------------------------------------------
+
+#endif // ANDROID_IPC_THREAD_STATE_H