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Commit 9ad1c029 authored by Steven Moreland's avatar Steven Moreland Committed by Automerger Merge Worker
Browse files

Merge changes I8c2bb308,I384f309e am: 66aaab47 

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2152373



Change-Id: Ib7ecf2bde33eeb2ba2defef3ee765460d52421d4
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 90d04b64 66aaab47

libs/binder/BpBinder.cpp

+8 −0
Original line number Diff line number Diff line
@@ -358,6 +358,14 @@ status_t BpBinder::linkToDeath( 
    LOG_ALWAYS_FATAL_IF(recipient == nullptr,

                        "linkToDeath(): recipient must be non-NULL");



    if (ProcessState::self()->getThreadPoolMaxTotalThreadCount() == 0) {

        ALOGW("Linking to death on %s but there are no threads (yet?) listening to incoming "

              "transactions. See ProcessState::startThreadPool and "

              "ProcessState::setThreadPoolMaxThreadCount. Generally you should setup the binder "

              "threadpool before other initialization steps.",

              String8(getInterfaceDescriptor()).c_str());

    }



    {

        AutoMutex _l(mLock);

libs/binder/ProcessState.cpp

+4 −0
Original line number Diff line number Diff line
@@ -19,6 +19,7 @@ 
#include <binder/ProcessState.h>



#include <android-base/result.h>

#include <android-base/scopeguard.h>

#include <android-base/strings.h>

#include <binder/BpBinder.h>

#include <binder/IPCThreadState.h>
@@ -420,6 +421,9 @@ status_t ProcessState::setThreadPoolMaxThreadCount(size_t maxThreads) { 
}



size_t ProcessState::getThreadPoolMaxTotalThreadCount() const {

    pthread_mutex_lock(&mThreadCountLock);

    base::ScopeGuard detachGuard = [&]() { pthread_mutex_unlock(&mThreadCountLock); };



    // may actually be one more than this, if join is called

    if (mThreadPoolStarted) {

        return mCurrentThreads < mKernelStartedThreads

libs/binder/include/binder/ProcessState.h

+1 −1
Original line number Diff line number Diff line
@@ -130,7 +130,7 @@ private: 
    void* mVMStart;



    // Protects thread count and wait variables below.

    pthread_mutex_t mThreadCountLock;

    mutable pthread_mutex_t mThreadCountLock;

    // Broadcast whenever mWaitingForThreads > 0

    pthread_cond_t mThreadCountDecrement;

    // Number of binder threads current executing a command.