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Commit 3f78a9f1 authored by Elliott Hughes's avatar Elliott Hughes Committed by Gerrit Code Review
Browse files

Merge "Use C++ thread_local rather than libcutils."

parents 554e0d56 308e9804

libs/binder/BufferedTextOutput.cpp

+8 −27
Original line number Diff line number Diff line
@@ -18,7 +18,6 @@ 
#include <binder/Debug.h>



#include <cutils/atomic.h>

#include <cutils/threads.h>

#include <utils/Log.h>

#include <utils/RefBase.h>

#include <utils/Vector.h>
@@ -91,22 +90,6 @@ struct BufferedTextOutput::ThreadState 


static pthread_mutex_t gMutex = PTHREAD_MUTEX_INITIALIZER;



static thread_store_t   tls;



BufferedTextOutput::ThreadState* BufferedTextOutput::getThreadState()

{

    ThreadState*  ts = (ThreadState*) thread_store_get( &tls );

    if (ts) return ts;

    ts = new ThreadState;

    thread_store_set( &tls, ts, threadDestructor );

    return ts;

}



void BufferedTextOutput::threadDestructor(void *st)

{

    delete ((ThreadState*)st);

}



static volatile int32_t gSequence = 0;



static volatile int32_t gFreeBufferIndex = -1;
@@ -266,17 +249,15 @@ void BufferedTextOutput::popBundle() 
BufferedTextOutput::BufferState* BufferedTextOutput::getBuffer() const

{

    if ((mFlags&MULTITHREADED) != 0) {

        ThreadState* ts = getThreadState();

        if (ts) {

            while (ts->states.size() <= (size_t)mIndex) ts->states.add(nullptr);

            BufferState* bs = ts->states[mIndex].get();

        thread_local ThreadState ts;

        while (ts.states.size() <= (size_t)mIndex) ts.states.add(nullptr);

        BufferState* bs = ts.states[mIndex].get();

        if (bs != nullptr && bs->seq == mSeq) return bs;



            ts->states.editItemAt(mIndex) = new BufferState(mIndex);

            bs = ts->states[mIndex].get();

        ts.states.editItemAt(mIndex) = new BufferState(mIndex);

        bs = ts.states[mIndex].get();

        if (bs != nullptr) return bs;

    }

    }

    

    return mGlobalState;

}

libs/binder/BufferedTextOutput.h

+1 −4
Original line number Diff line number Diff line
@@ -48,9 +48,6 @@ private: 
    struct BufferState;

    struct ThreadState;



    static  ThreadState*getThreadState();

    static  void        threadDestructor(void *st);

    

            BufferState*getBuffer() const;

            

    uint32_t            mFlags;