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Diffstat (limited to 'libs/binder/ProcessState.cpp')
-rw-r--r--libs/binder/ProcessState.cpp23
1 files changed, 19 insertions, 4 deletions
diff --git a/libs/binder/ProcessState.cpp b/libs/binder/ProcessState.cpp
index abb792eda0..1d3beb4736 100644
--- a/libs/binder/ProcessState.cpp
+++ b/libs/binder/ProcessState.cpp
@@ -43,6 +43,7 @@
#define BINDER_VM_SIZE ((1 * 1024 * 1024) - sysconf(_SC_PAGE_SIZE) * 2)
#define DEFAULT_MAX_BINDER_THREADS 15
+#define DEFAULT_ENABLE_ONEWAY_SPAM_DETECTION 1
#ifdef __ANDROID_VNDK__
const char* kDefaultDriver = "/dev/vndbinder";
@@ -105,7 +106,7 @@ sp<ProcessState> ProcessState::init(const char *driver, bool requireDefault)
}
std::lock_guard<std::mutex> l(gProcessMutex);
- gProcess = new ProcessState(driver);
+ gProcess = sp<ProcessState>::make(driver);
});
if (requireDefault) {
@@ -299,8 +300,8 @@ sp<IBinder> ProcessState::getStrongProxyForHandle(int32_t handle)
return nullptr;
}
- b = BpBinder::create(handle);
- e->binder = b;
+ sp<BpBinder> b = BpBinder::create(handle);
+ e->binder = b.get();
if (b) e->refs = b->getWeakRefs();
result = b;
} else {
@@ -340,7 +341,7 @@ void ProcessState::spawnPooledThread(bool isMain)
if (mThreadPoolStarted) {
String8 name = makeBinderThreadName();
ALOGV("Spawning new pooled thread, name=%s\n", name.string());
- sp<Thread> t = new PoolThread(isMain);
+ sp<Thread> t = sp<PoolThread>::make(isMain);
t->run(name.string());
}
}
@@ -358,6 +359,15 @@ status_t ProcessState::setThreadPoolMaxThreadCount(size_t maxThreads) {
return result;
}
+status_t ProcessState::enableOnewaySpamDetection(bool enable) {
+ uint32_t enableDetection = enable ? 1 : 0;
+ if (ioctl(mDriverFD, BINDER_ENABLE_ONEWAY_SPAM_DETECTION, &enableDetection) == -1) {
+ ALOGI("Binder ioctl to enable oneway spam detection failed: %s", strerror(errno));
+ return -errno;
+ }
+ return NO_ERROR;
+}
+
void ProcessState::giveThreadPoolName() {
androidSetThreadName( makeBinderThreadName().string() );
}
@@ -388,6 +398,11 @@ static int open_driver(const char *driver)
if (result == -1) {
ALOGE("Binder ioctl to set max threads failed: %s", strerror(errno));
}
+ uint32_t enable = DEFAULT_ENABLE_ONEWAY_SPAM_DETECTION;
+ result = ioctl(fd, BINDER_ENABLE_ONEWAY_SPAM_DETECTION, &enable);
+ if (result == -1) {
+ ALOGI("Binder ioctl to enable oneway spam detection failed: %s", strerror(errno));
+ }
} else {
ALOGW("Opening '%s' failed: %s\n", driver, strerror(errno));
}