upload android base code part6

android/system/libhwbinder/include/hwbinder/ProcessState.h

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+/*
+ * 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_HARDWARE_PROCESS_STATE_H
+#define ANDROID_HARDWARE_PROCESS_STATE_H
+
+#include <hwbinder/IBinder.h>
+#include <utils/KeyedVector.h>
+#include <utils/String8.h>
+#include <utils/String16.h>
+
+#include <utils/threads.h>
+
+#include <pthread.h>
+
+// ---------------------------------------------------------------------------
+namespace android {
+namespace hardware {
+
+class IPCThreadState;
+
+class ProcessState : public virtual RefBase
+{
+public:
+    static  sp<ProcessState>    self();
+    static  sp<ProcessState>    selfOrNull();
+
+            void                setContextObject(const sp<IBinder>& object);
+            sp<IBinder>         getContextObject(const sp<IBinder>& caller);
+
+            void                setContextObject(const sp<IBinder>& object,
+                                                 const String16& name);
+            sp<IBinder>         getContextObject(const String16& name,
+                                                 const sp<IBinder>& caller);
+
+            void                startThreadPool();
+
+    typedef bool (*context_check_func)(const String16& name,
+                                       const sp<IBinder>& caller,
+                                       void* userData);
+
+            bool                isContextManager(void) const;
+            bool                becomeContextManager(
+                                    context_check_func checkFunc,
+                                    void* userData);
+
+            sp<IBinder>         getStrongProxyForHandle(int32_t handle);
+            wp<IBinder>         getWeakProxyForHandle(int32_t handle);
+            void                expungeHandle(int32_t handle, IBinder* binder);
+
+            void                spawnPooledThread(bool isMain);
+
+            status_t            setThreadPoolConfiguration(size_t maxThreads, bool callerJoinsPool);
+            void                giveThreadPoolName();
+
+            ssize_t             getKernelReferences(size_t count, uintptr_t* buf);
+
+private:
+    friend class IPCThreadState;
+
+                                ProcessState();
+                                ~ProcessState();
+
+                                ProcessState(const ProcessState& o);
+            ProcessState&       operator=(const ProcessState& o);
+            String8             makeBinderThreadName();
+
+            struct handle_entry {
+                IBinder* binder;
+                RefBase::weakref_type* refs;
+            };
+
+            handle_entry*       lookupHandleLocked(int32_t handle);
+
+            int                 mDriverFD;
+            void*               mVMStart;
+
+            // Protects thread count variable below.
+            pthread_mutex_t     mThreadCountLock;
+            pthread_cond_t      mThreadCountDecrement;
+            // Number of binder threads current executing a command.
+            size_t              mExecutingThreadsCount;
+            // Maximum number for binder threads allowed for this process.
+            size_t              mMaxThreads;
+            // Time when thread pool was emptied
+            int64_t             mStarvationStartTimeMs;
+
+    mutable Mutex               mLock;  // protects everything below.
+
+            Vector<handle_entry>mHandleToObject;
+
+            bool                mManagesContexts;
+            context_check_func  mBinderContextCheckFunc;
+            void*               mBinderContextUserData;
+
+            KeyedVector<String16, sp<IBinder> >
+                                mContexts;
+
+
+            String8             mRootDir;
+            bool                mThreadPoolStarted;
+            bool                mSpawnThreadOnStart;
+    volatile int32_t            mThreadPoolSeq;
+};
+
+}; // namespace hardware
+}; // namespace android
+
+// ---------------------------------------------------------------------------
+
+#endif // ANDROID_HARDWARE_PROCESS_STATE_H