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Commit 9c0835a8 authored by Steven Moreland's avatar Steven Moreland Committed by Gerrit Code Review
Browse files

Merge "libbinder*: Provide warning of library threadpool woes."

parents 6e5dda51 a9c4d801

libs/binder/include/binder/IPCThreadState.h

+2 −0
Original line number Diff line number Diff line
@@ -141,11 +141,13 @@ public: 
            void                restoreCallingIdentity(int64_t token);

            bool hasExplicitIdentity();



            // For main functions - dangerous for libraries to use

            status_t            setupPolling(int* fd);

            status_t            handlePolledCommands();

            void                flushCommands();

            bool                flushIfNeeded();



            // For main functions - dangerous for libraries to use

            void                joinThreadPool(bool isMain = true);

            

            // Stop the local process.

libs/binder/include/binder/ProcessState.h

+3 −0
Original line number Diff line number Diff line
@@ -50,6 +50,7 @@ public: 


    sp<IBinder> getContextObject(const sp<IBinder>& caller);



    // For main functions - dangerous for libraries to use

    void startThreadPool();



    bool becomeContextManager();
@@ -57,8 +58,10 @@ public: 
    sp<IBinder> getStrongProxyForHandle(int32_t handle);

    void expungeHandle(int32_t handle, IBinder* binder);



    // TODO: deprecate.

    void spawnPooledThread(bool isMain);



    // For main functions - dangerous for libraries to use

    status_t setThreadPoolMaxThreadCount(size_t maxThreads);

    status_t enableOnewaySpamDetection(bool enable);

    void giveThreadPoolName();

libs/binder/ndk/include_platform/android/binder_process.h

+9 −0
Original line number Diff line number Diff line
@@ -28,17 +28,26 @@ __BEGIN_DECLS 
 *

 * When using this, it is expected that ABinderProcess_setupPolling and

 * ABinderProcess_handlePolledCommands are not used.

 *

 * Do not use this from a library. Apps setup their own threadpools, and otherwise, the main

 * function should be responsible for configuring the threadpool for the entire application.

 */

void ABinderProcess_startThreadPool();

/**

 * This sets the maximum number of threads that can be started in the threadpool. By default, after

 * startThreadPool is called, this is 15. If it is called additional times, it will only prevent

 * the kernel from starting new threads and will not delete already existing threads.

 *

 * Do not use this from a library. Apps setup their own threadpools, and otherwise, the main

 * function should be responsible for configuring the threadpool for the entire application.

 */

bool ABinderProcess_setThreadPoolMaxThreadCount(uint32_t numThreads);

/**

 * This adds the current thread to the threadpool. This may cause the threadpool to exceed the

 * maximum size.

 *

 * Do not use this from a library. Apps setup their own threadpools, and otherwise, the main

 * function should be responsible for configuring the threadpool for the entire application.

 */

void ABinderProcess_joinThreadPool();