Merge "libbinder: use pragma once" am: 590a5a7fab am: ea4a8fa716
Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1495196
Change-Id: I93feeecbb6947c179142d42899bc5243424091df
diff --git a/libs/binder/LazyServiceRegistrar.cpp b/libs/binder/LazyServiceRegistrar.cpp
index 325e204..2e15e50 100644
--- a/libs/binder/LazyServiceRegistrar.cpp
+++ b/libs/binder/LazyServiceRegistrar.cpp
@@ -29,16 +29,12 @@
using AidlServiceManager = android::os::IServiceManager;
-class ClientCounterCallback : public ::android::os::BnClientCallback {
+class ClientCounterCallbackImpl : public ::android::os::BnClientCallback {
public:
- ClientCounterCallback() : mNumConnectedServices(0), mForcePersist(false) {}
+ ClientCounterCallbackImpl() : mNumConnectedServices(0), mForcePersist(false) {}
bool registerService(const sp<IBinder>& service, const std::string& name,
bool allowIsolated, int dumpFlags);
-
- /**
- * Set a flag to prevent services from automatically shutting down
- */
void forcePersist(bool persist);
protected:
@@ -75,7 +71,23 @@
bool mForcePersist;
};
-bool ClientCounterCallback::registerService(const sp<IBinder>& service, const std::string& name,
+class ClientCounterCallback {
+public:
+ ClientCounterCallback();
+
+ bool registerService(const sp<IBinder>& service, const std::string& name,
+ bool allowIsolated, int dumpFlags);
+
+ /**
+ * Set a flag to prevent services from automatically shutting down
+ */
+ void forcePersist(bool persist);
+
+private:
+ sp<ClientCounterCallbackImpl> mImpl;
+};
+
+bool ClientCounterCallbackImpl::registerService(const sp<IBinder>& service, const std::string& name,
bool allowIsolated, int dumpFlags) {
auto manager = interface_cast<AidlServiceManager>(asBinder(defaultServiceManager()));
@@ -89,7 +101,7 @@
}
if (!reRegister) {
- if (!manager->registerClientCallback(name, service, this).isOk()) {
+ if(!manager->registerClientCallback(name, service, this).isOk()) {
ALOGE("Failed to add client callback for service %s", name.c_str());
return false;
}
@@ -105,7 +117,7 @@
return true;
}
-std::map<std::string, ClientCounterCallback::Service>::iterator ClientCounterCallback::assertRegisteredService(const sp<IBinder>& service) {
+std::map<std::string, ClientCounterCallbackImpl::Service>::iterator ClientCounterCallbackImpl::assertRegisteredService(const sp<IBinder>& service) {
LOG_ALWAYS_FATAL_IF(service == nullptr, "Got onClients callback for null service");
for (auto it = mRegisteredServices.begin(); it != mRegisteredServices.end(); ++it) {
auto const& [name, registered] = *it;
@@ -117,7 +129,7 @@
__builtin_unreachable();
}
-void ClientCounterCallback::forcePersist(bool persist) {
+void ClientCounterCallbackImpl::forcePersist(bool persist) {
mForcePersist = persist;
if(!mForcePersist) {
// Attempt a shutdown in case the number of clients hit 0 while the flag was on
@@ -129,7 +141,7 @@
* onClients is oneway, so no need to worry about multi-threading. Note that this means multiple
* invocations could occur on different threads however.
*/
-Status ClientCounterCallback::onClients(const sp<IBinder>& service, bool clients) {
+Status ClientCounterCallbackImpl::onClients(const sp<IBinder>& service, bool clients) {
auto & [name, registered] = *assertRegisteredService(service);
if (registered.clients == clients) {
LOG_ALWAYS_FATAL("Process already thought %s had clients: %d but servicemanager has "
@@ -154,7 +166,7 @@
return Status::ok();
}
-void ClientCounterCallback::tryShutdown() {
+void ClientCounterCallbackImpl::tryShutdown() {
if(mNumConnectedServices > 0) {
// Should only shut down if there are no clients
return;
@@ -175,7 +187,6 @@
bool success = manager->tryUnregisterService(entry.first, entry.second.service).isOk();
-
if (!success) {
ALOGI("Failed to unregister service %s", entry.first.c_str());
break;
@@ -200,6 +211,19 @@
}
}
+ClientCounterCallback::ClientCounterCallback() {
+ mImpl = sp<ClientCounterCallbackImpl>::make();
+}
+
+bool ClientCounterCallback::registerService(const sp<IBinder>& service, const std::string& name,
+ bool allowIsolated, int dumpFlags) {
+ return mImpl->registerService(service, name, allowIsolated, dumpFlags);
+}
+
+void ClientCounterCallback::forcePersist(bool persist) {
+ mImpl->forcePersist(persist);
+}
+
} // namespace internal
LazyServiceRegistrar::LazyServiceRegistrar() {
diff --git a/libs/binder/ndk/ibinder.cpp b/libs/binder/ndk/ibinder.cpp
index b927f6f..3e20e01 100644
--- a/libs/binder/ndk/ibinder.cpp
+++ b/libs/binder/ndk/ibinder.cpp
@@ -181,7 +181,7 @@
binder_status_t status = getClass()->onTransact(this, code, &in, &out);
return PruneStatusT(status);
- } else if (code == SHELL_COMMAND_TRANSACTION && getClass()->handleShellCommand != nullptr) {
+ } else if (code == SHELL_COMMAND_TRANSACTION) {
int in = data.readFileDescriptor();
int out = data.readFileDescriptor();
int err = data.readFileDescriptor();
diff --git a/libs/binder/ndk/ibinder_internal.h b/libs/binder/ndk/ibinder_internal.h
index 0fa47c6..f601127 100644
--- a/libs/binder/ndk/ibinder_internal.h
+++ b/libs/binder/ndk/ibinder_internal.h
@@ -115,13 +115,13 @@
const ::android::String16& getInterfaceDescriptor() const { return mInterfaceDescriptor; }
// required to be non-null, implemented for every class
- const AIBinder_Class_onCreate onCreate = nullptr;
- const AIBinder_Class_onDestroy onDestroy = nullptr;
- const AIBinder_Class_onTransact onTransact = nullptr;
+ const AIBinder_Class_onCreate onCreate;
+ const AIBinder_Class_onDestroy onDestroy;
+ const AIBinder_Class_onTransact onTransact;
// optional methods for a class
- AIBinder_onDump onDump = nullptr;
- AIBinder_handleShellCommand handleShellCommand = nullptr;
+ AIBinder_onDump onDump;
+ AIBinder_handleShellCommand handleShellCommand;
private:
// This must be a String16 since BBinder virtual getInterfaceDescriptor returns a reference to
diff --git a/libs/binder/ndk/tests/iface.cpp b/libs/binder/ndk/tests/iface.cpp
index a588985..64832f3 100644
--- a/libs/binder/ndk/tests/iface.cpp
+++ b/libs/binder/ndk/tests/iface.cpp
@@ -118,7 +118,7 @@
AIBinder_Weak_delete(mWeakBinder);
}
-AIBinder* IFoo::getBinder() {
+binder_status_t IFoo::addService(const char* instance) {
AIBinder* binder = nullptr;
if (mWeakBinder != nullptr) {
@@ -132,18 +132,8 @@
AIBinder_Weak_delete(mWeakBinder);
}
mWeakBinder = AIBinder_Weak_new(binder);
-
- // WARNING: it is important that this class does not implement debug or
- // shell functions because it does not use special C++ wrapper
- // functions, and so this is how we test those functions.
}
- return binder;
-}
-
-binder_status_t IFoo::addService(const char* instance) {
- AIBinder* binder = getBinder();
-
binder_status_t status = AServiceManager_addService(binder, instance);
// Strong references we care about kept by remote process
AIBinder_decStrong(binder);
diff --git a/libs/binder/ndk/tests/include/iface/iface.h b/libs/binder/ndk/tests/include/iface/iface.h
index d9dd64b..cdf5493 100644
--- a/libs/binder/ndk/tests/include/iface/iface.h
+++ b/libs/binder/ndk/tests/include/iface/iface.h
@@ -30,9 +30,6 @@
static AIBinder_Class* kClass;
- // binder representing this interface with one reference count
- AIBinder* getBinder();
-
// Takes ownership of IFoo
binder_status_t addService(const char* instance);
static ::android::sp<IFoo> getService(const char* instance, AIBinder** outBinder = nullptr);
diff --git a/libs/binder/ndk/tests/libbinder_ndk_unit_test.cpp b/libs/binder/ndk/tests/libbinder_ndk_unit_test.cpp
index f84d9d3..8b6414c 100644
--- a/libs/binder/ndk/tests/libbinder_ndk_unit_test.cpp
+++ b/libs/binder/ndk/tests/libbinder_ndk_unit_test.cpp
@@ -185,26 +185,6 @@
AIBinder_decStrong(binder);
}
-TEST(NdkBinder, UnimplementedDump) {
- sp<IFoo> foo = IFoo::getService(IFoo::kSomeInstanceName);
- ASSERT_NE(foo, nullptr);
- AIBinder* binder = foo->getBinder();
- EXPECT_EQ(OK, AIBinder_dump(binder, STDOUT_FILENO, nullptr, 0));
- AIBinder_decStrong(binder);
-}
-
-TEST(NdkBinder, UnimplementedShell) {
- // libbinder_ndk doesn't support calling shell, so we are calling from the
- // libbinder across processes to the NDK service which doesn't implement
- // shell
- static const sp<android::IServiceManager> sm(android::defaultServiceManager());
- sp<IBinder> testService = sm->getService(String16(IFoo::kSomeInstanceName));
-
- Vector<String16> argsVec;
- EXPECT_EQ(OK, IBinder::shellCommand(testService, STDIN_FILENO, STDOUT_FILENO, STDERR_FILENO,
- argsVec, nullptr, nullptr));
-}
-
TEST(NdkBinder, DoubleNumber) {
sp<IFoo> foo = IFoo::getService(IFoo::kSomeInstanceName);
ASSERT_NE(foo, nullptr);
diff --git a/services/sensorservice/SensorEventConnection.cpp b/services/sensorservice/SensorEventConnection.cpp
index b4b5f98..6c86712 100644
--- a/services/sensorservice/SensorEventConnection.cpp
+++ b/services/sensorservice/SensorEventConnection.cpp
@@ -14,6 +14,7 @@
* limitations under the License.
*/
+#include <log/log.h>
#include <sys/socket.h>
#include <utils/threads.h>
@@ -47,20 +48,13 @@
SensorService::SensorEventConnection::~SensorEventConnection() {
ALOGD_IF(DEBUG_CONNECTIONS, "~SensorEventConnection(%p)", this);
destroy();
-}
-
-void SensorService::SensorEventConnection::destroy() {
- Mutex::Autolock _l(mDestroyLock);
-
- // destroy once only
- if (mDestroyed) {
- return;
- }
-
mService->cleanupConnection(this);
if (mEventCache != nullptr) {
delete[] mEventCache;
}
+}
+
+void SensorService::SensorEventConnection::destroy() {
mDestroyed = true;
}
@@ -665,6 +659,11 @@
int handle, bool enabled, nsecs_t samplingPeriodNs, nsecs_t maxBatchReportLatencyNs,
int reservedFlags)
{
+ if (mDestroyed) {
+ android_errorWriteLog(0x534e4554, "168211968");
+ return DEAD_OBJECT;
+ }
+
status_t err;
if (enabled) {
err = mService->enable(this, handle, samplingPeriodNs, maxBatchReportLatencyNs,
@@ -679,10 +678,19 @@
status_t SensorService::SensorEventConnection::setEventRate(
int handle, nsecs_t samplingPeriodNs)
{
+ if (mDestroyed) {
+ android_errorWriteLog(0x534e4554, "168211968");
+ return DEAD_OBJECT;
+ }
+
return mService->setEventRate(this, handle, samplingPeriodNs, mOpPackageName);
}
status_t SensorService::SensorEventConnection::flush() {
+ if (mDestroyed) {
+ return DEAD_OBJECT;
+ }
+
return mService->flushSensor(this, mOpPackageName);
}
diff --git a/services/sensorservice/SensorEventConnection.h b/services/sensorservice/SensorEventConnection.h
index 8f2d5db..9487a39 100644
--- a/services/sensorservice/SensorEventConnection.h
+++ b/services/sensorservice/SensorEventConnection.h
@@ -17,6 +17,7 @@
#ifndef ANDROID_SENSOR_EVENT_CONNECTION_H
#define ANDROID_SENSOR_EVENT_CONNECTION_H
+#include <atomic>
#include <stdint.h>
#include <sys/types.h>
#include <unordered_map>
@@ -182,8 +183,8 @@
int mTotalAcksNeeded, mTotalAcksReceived;
#endif
- mutable Mutex mDestroyLock;
- bool mDestroyed;
+ // Used to track if this object was inappropriately used after destroy().
+ std::atomic_bool mDestroyed;
// Store a mapping of sensor handles to required AppOp for a sensor. This map only contains a
// valid mapping for sensors that require a permission in order to reduce the lookup time.