Merge "Remove need for libbinderthreadstate."
diff --git a/PREUPLOAD.cfg b/PREUPLOAD.cfg
index db297a0..e048a19 100644
--- a/PREUPLOAD.cfg
+++ b/PREUPLOAD.cfg
@@ -7,6 +7,7 @@
cmds/idlcli/
include/input/
libs/binder/ndk/
+ libs/binderthreadstate/
libs/graphicsenv/
libs/gui/
libs/input/
diff --git a/libs/binder/Android.bp b/libs/binder/Android.bp
index 1ee3853..5f9d400 100644
--- a/libs/binder/Android.bp
+++ b/libs/binder/Android.bp
@@ -138,7 +138,6 @@
"liblog",
"libcutils",
"libutils",
- "libbinderthreadstate",
],
header_libs: [
diff --git a/libs/binder/IPCThreadState.cpp b/libs/binder/IPCThreadState.cpp
index 4981d7a..4dcd07a 100644
--- a/libs/binder/IPCThreadState.cpp
+++ b/libs/binder/IPCThreadState.cpp
@@ -17,7 +17,6 @@
#define LOG_TAG "IPCThreadState"
#include <binder/IPCThreadState.h>
-#include <binderthreadstate/IPCThreadStateBase.h>
#include <binder/Binder.h>
#include <binder/BpBinder.h>
@@ -803,6 +802,7 @@
IPCThreadState::IPCThreadState()
: mProcess(ProcessState::self()),
+ mServingStackPointer(nullptr),
mWorkSource(kUnsetWorkSource),
mPropagateWorkSource(false),
mStrictModePolicy(0),
@@ -813,7 +813,6 @@
clearCaller();
mIn.setDataCapacity(256);
mOut.setDataCapacity(256);
- mIPCThreadStateBase = IPCThreadStateBase::self();
}
IPCThreadState::~IPCThreadState()
@@ -1163,9 +1162,6 @@
"Not enough command data for brTRANSACTION");
if (result != NO_ERROR) break;
- //Record the fact that we're in a binder call.
- mIPCThreadStateBase->pushCurrentState(
- IPCThreadStateBase::CallState::BINDER);
Parcel buffer;
buffer.ipcSetDataReference(
reinterpret_cast<const uint8_t*>(tr.data.ptr.buffer),
@@ -1173,6 +1169,9 @@
reinterpret_cast<const binder_size_t*>(tr.data.ptr.offsets),
tr.offsets_size/sizeof(binder_size_t), freeBuffer, this);
+ const void* origServingStackPointer = mServingStackPointer;
+ mServingStackPointer = &origServingStackPointer; // anything on the stack
+
const pid_t origPid = mCallingPid;
const char* origSid = mCallingSid;
const uid_t origUid = mCallingUid;
@@ -1223,7 +1222,6 @@
error = the_context_object->transact(tr.code, buffer, &reply, tr.flags);
}
- mIPCThreadStateBase->popCurrentState();
//ALOGI("<<<< TRANSACT from pid %d restore pid %d sid %s uid %d\n",
// mCallingPid, origPid, (origSid ? origSid : "<N/A>"), origUid);
@@ -1235,6 +1233,7 @@
LOG_ONEWAY("NOT sending reply to %d!", mCallingPid);
}
+ mServingStackPointer = origServingStackPointer;
mCallingPid = origPid;
mCallingSid = origSid;
mCallingUid = origUid;
@@ -1290,8 +1289,8 @@
return result;
}
-bool IPCThreadState::isServingCall() const {
- return mIPCThreadStateBase->getCurrentBinderCallState() == IPCThreadStateBase::CallState::BINDER;
+const void* IPCThreadState::getServingStackPointer() const {
+ return mServingStackPointer;
}
void IPCThreadState::threadDestructor(void *st)
diff --git a/libs/binder/TEST_MAPPING b/libs/binder/TEST_MAPPING
index 7489afa..9aa7651 100644
--- a/libs/binder/TEST_MAPPING
+++ b/libs/binder/TEST_MAPPING
@@ -26,6 +26,9 @@
},
{
"name": "aidl_lazy_test"
+ },
+ {
+ "name": "libbinderthreadstateutils_test"
}
]
}
diff --git a/libs/binder/include/binder/IPCThreadState.h b/libs/binder/include/binder/IPCThreadState.h
index ff9244e..4818889 100644
--- a/libs/binder/include/binder/IPCThreadState.h
+++ b/libs/binder/include/binder/IPCThreadState.h
@@ -29,8 +29,6 @@
// ---------------------------------------------------------------------------
namespace android {
-class IPCThreadStateBase;
-
class IPCThreadState
{
public:
@@ -113,31 +111,12 @@
// Service manager registration
void setTheContextObject(sp<BBinder> obj);
- // Is this thread currently serving a binder call. This method
- // returns true if while traversing backwards from the function call
- // stack for this thread, we encounter a function serving a binder
- // call before encountering a hwbinder call / hitting the end of the
- // call stack.
- // Eg: If thread T1 went through the following call pattern
- // 1) T1 receives and executes hwbinder call H1.
- // 2) While handling H1, T1 makes binder call B1.
- // 3) The handler of B1, calls into T1 with a callback B2.
- // If isServingCall() is called during H1 before 3), this method
- // will return false, else true.
+ // WARNING: DO NOT USE THIS API
//
- // ----
- // | B2 | ---> While callback B2 is being handled, during 3).
- // ----
- // | H1 | ---> While H1 is being handled.
- // ----
- // Fig: Thread Call stack while handling B2
- //
- // This is since after 3), while traversing the thread call stack,
- // we hit a binder call before a hwbinder call / end of stack. This
- // method may be typically used to determine whether to use
- // hardware::IPCThreadState methods or IPCThreadState methods to
- // infer information about thread state.
- bool isServingCall() const;
+ // Returns a pointer to the stack from the last time a transaction
+ // was initiated by the kernel. Used to compare when making nested
+ // calls between multiple different transports.
+ const void* getServingStackPointer() const;
// The work source represents the UID of the process we should attribute the transaction
// to. We use -1 to specify that the work source was not set using #setWorkSource.
@@ -181,6 +160,7 @@
Parcel mIn;
Parcel mOut;
status_t mLastError;
+ const void* mServingStackPointer;
pid_t mCallingPid;
const char* mCallingSid;
uid_t mCallingUid;
@@ -191,7 +171,6 @@
bool mPropagateWorkSource;
int32_t mStrictModePolicy;
int32_t mLastTransactionBinderFlags;
- IPCThreadStateBase *mIPCThreadStateBase;
ProcessState::CallRestriction mCallRestriction;
};
diff --git a/libs/binderthreadstate/1.0/Android.bp b/libs/binderthreadstate/1.0/Android.bp
new file mode 100644
index 0000000..ebdc932
--- /dev/null
+++ b/libs/binderthreadstate/1.0/Android.bp
@@ -0,0 +1,14 @@
+// This file is autogenerated by hidl-gen -Landroidbp.
+
+hidl_interface {
+ name: "binderthreadstateutilstest@1.0",
+ root: "binderthreadstateutilstest",
+ system_ext_specific: true,
+ srcs: [
+ "IHidlStuff.hal",
+ ],
+ interfaces: [
+ "android.hidl.base@1.0",
+ ],
+ gen_java: true,
+}
diff --git a/libs/binderthreadstate/1.0/IHidlStuff.hal b/libs/binderthreadstate/1.0/IHidlStuff.hal
new file mode 100644
index 0000000..ffb6499
--- /dev/null
+++ b/libs/binderthreadstate/1.0/IHidlStuff.hal
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package binderthreadstateutilstest@1.0;
+
+interface IHidlStuff {
+ callLocal();
+ call(int32_t idx);
+};
diff --git a/libs/binderthreadstate/Android.bp b/libs/binderthreadstate/Android.bp
index ee1a6a4..4655e1d 100644
--- a/libs/binderthreadstate/Android.bp
+++ b/libs/binderthreadstate/Android.bp
@@ -12,6 +12,59 @@
// See the License for the specific language governing permissions and
// limitations under the License.
+// DO NOT ADD NEW USAGES OF THIS
+// See comments in header file.
+cc_library_static {
+ name: "libbinderthreadstateutils",
+ double_loadable: true,
+ vendor_available: true,
+ host_supported: true,
+
+ shared_libs: [
+ "libbinder",
+ "libhidlbase", // libhwbinder is in here
+ ],
+
+ export_include_dirs: ["include"],
+
+ cflags: [
+ "-Wall",
+ "-Werror",
+ ],
+}
+
+hidl_package_root {
+ name: "binderthreadstateutilstest",
+}
+
+aidl_interface {
+ name: "binderthreadstateutilstest.aidl",
+ srcs: ["IAidlStuff.aidl"],
+}
+
+cc_test {
+ name: "libbinderthreadstateutils_test",
+ srcs: ["test.cpp"],
+ static_libs: [
+ "binderthreadstateutilstest@1.0",
+ "binderthreadstateutilstest.aidl-cpp",
+ "libbinderthreadstateutils",
+ ],
+ shared_libs: [
+ "libbase",
+ "libbinder",
+ "libcutils",
+ "libhidlbase",
+ "libutils",
+ "liblog",
+ ],
+ test_suites: [
+ "general-tests",
+ ],
+ require_root: true,
+}
+
+// TODO(b/148692216): remove empty lib
cc_library {
name: "libbinderthreadstate",
recovery_available: true,
@@ -21,28 +74,4 @@
support_system_process: true,
},
host_supported: true,
-
- srcs: [
- "IPCThreadStateBase.cpp",
- ],
-
- header_libs: [
- "libbase_headers",
- "libutils_headers",
- ],
-
- shared_libs: [
- "liblog",
- ],
-
- export_include_dirs: ["include"],
-
- sanitize: {
- misc_undefined: ["integer"],
- },
-
- cflags: [
- "-Wall",
- "-Werror",
- ],
}
diff --git a/libs/binderthreadstate/IAidlStuff.aidl b/libs/binderthreadstate/IAidlStuff.aidl
new file mode 100644
index 0000000..0c81c42
--- /dev/null
+++ b/libs/binderthreadstate/IAidlStuff.aidl
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+interface IAidlStuff {
+ void callLocal();
+ void call(int idx);
+}
diff --git a/libs/binderthreadstate/IPCThreadStateBase.cpp b/libs/binderthreadstate/IPCThreadStateBase.cpp
deleted file mode 100644
index fede151..0000000
--- a/libs/binderthreadstate/IPCThreadStateBase.cpp
+++ /dev/null
@@ -1,89 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "IPCThreadStateBase"
-
-#include <binderthreadstate/IPCThreadStateBase.h>
-#include <android-base/macros.h>
-
-#include <utils/Log.h>
-
-#include <errno.h>
-#include <inttypes.h>
-#include <pthread.h>
-
-namespace android {
-
-static pthread_mutex_t gTLSMutex = PTHREAD_MUTEX_INITIALIZER;
-static bool gHaveTLS = false;
-static pthread_key_t gTLS = 0;
-
-IPCThreadStateBase::IPCThreadStateBase() {
- pthread_setspecific(gTLS, this);
-}
-
-IPCThreadStateBase* IPCThreadStateBase::self()
-{
- if (gHaveTLS) {
-restart:
- const pthread_key_t k = gTLS;
- IPCThreadStateBase* st = (IPCThreadStateBase*)pthread_getspecific(k);
- if (st) return st;
- return new IPCThreadStateBase;
- }
-
- pthread_mutex_lock(&gTLSMutex);
- if (!gHaveTLS) {
- int key_create_value = pthread_key_create(&gTLS, threadDestructor);
- if (key_create_value != 0) {
- pthread_mutex_unlock(&gTLSMutex);
- ALOGW("IPCThreadStateBase::self() unable to create TLS key, expect a crash: %s\n",
- strerror(key_create_value));
- return nullptr;
- }
- gHaveTLS = true;
- }
- pthread_mutex_unlock(&gTLSMutex);
- goto restart;
-}
-
-void IPCThreadStateBase::pushCurrentState(CallState callState) {
- mCallStateStack.emplace(callState);
-}
-
-IPCThreadStateBase::CallState IPCThreadStateBase::popCurrentState() {
- ALOG_ASSERT(mCallStateStack.size > 0);
- CallState val = mCallStateStack.top();
- mCallStateStack.pop();
- return val;
-}
-
-IPCThreadStateBase::CallState IPCThreadStateBase::getCurrentBinderCallState() {
- if (mCallStateStack.size() > 0) {
- return mCallStateStack.top();
- }
- return CallState::NONE;
-}
-
-void IPCThreadStateBase::threadDestructor(void *st)
-{
- IPCThreadStateBase* const self = static_cast<IPCThreadStateBase*>(st);
- if (self) {
- delete self;
- }
-}
-
-}; // namespace android
diff --git a/libs/binderthreadstate/TEST_MAPPING b/libs/binderthreadstate/TEST_MAPPING
new file mode 100644
index 0000000..2bd0463
--- /dev/null
+++ b/libs/binderthreadstate/TEST_MAPPING
@@ -0,0 +1,7 @@
+{
+ "presubmit": [
+ {
+ "name": "libbinderthreadstateutils_test"
+ }
+ ]
+}
diff --git a/libs/binderthreadstate/include/binderthreadstate/CallerUtils.h b/libs/binderthreadstate/include/binderthreadstate/CallerUtils.h
new file mode 100644
index 0000000..a3e5026
--- /dev/null
+++ b/libs/binderthreadstate/include/binderthreadstate/CallerUtils.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+// WARNING: DO NOT USE THIS
+// You should:
+// - have code know how it is handling things. Pass in caller information rather
+// than assuming that code is running in a specific global context
+// - use AIDL exclusively in your stack (HIDL is no longer required anywhere)
+
+#include <binder/IPCThreadState.h>
+#include <hwbinder/IPCThreadState.h>
+
+namespace android {
+
+enum class BinderCallType {
+ NONE,
+ BINDER,
+ HWBINDER,
+};
+
+// Based on where we are in recursion of nested binder/hwbinder calls, determine
+// which one we are closer to.
+inline static BinderCallType getCurrentServingCall() {
+ const void* hwbinderSp = android::hardware::IPCThreadState::self()->getServingStackPointer();
+ const void* binderSp = android::IPCThreadState::self()->getServingStackPointer();
+
+ if (hwbinderSp == nullptr && binderSp == nullptr) return BinderCallType::NONE;
+ if (hwbinderSp == nullptr) return BinderCallType::BINDER;
+ if (binderSp == nullptr) return BinderCallType::HWBINDER;
+
+ if (hwbinderSp < binderSp) return BinderCallType::HWBINDER;
+ return BinderCallType::BINDER;
+}
+
+} // namespace android
diff --git a/libs/binderthreadstate/include/binderthreadstate/IPCThreadStateBase.h b/libs/binderthreadstate/include/binderthreadstate/IPCThreadStateBase.h
deleted file mode 100644
index 6fdcc84..0000000
--- a/libs/binderthreadstate/include/binderthreadstate/IPCThreadStateBase.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef BINDER_THREADSTATE_IPC_THREADSTATE_BASE_H
-#define BINDER_THREADSTATE_IPC_THREADSTATE_BASE_H
-
-#include <stack>
-namespace android {
-
-class IPCThreadStateBase {
-public:
- enum CallState {
- HWBINDER,
- BINDER,
- NONE,
- };
- static IPCThreadStateBase* self();
- void pushCurrentState(CallState callState);
- CallState popCurrentState();
- CallState getCurrentBinderCallState();
-
-private:
- IPCThreadStateBase();
- static void threadDestructor(void *st);
-
- std::stack<CallState> mCallStateStack;
-};
-
-}; // namespace android
-
-#endif // BINDER_THREADSTATE_IPC_THREADSTATE_BASE_H
diff --git a/libs/binderthreadstate/test.cpp b/libs/binderthreadstate/test.cpp
new file mode 100644
index 0000000..68cc225
--- /dev/null
+++ b/libs/binderthreadstate/test.cpp
@@ -0,0 +1,195 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <BnAidlStuff.h>
+#include <android-base/logging.h>
+#include <binder/IServiceManager.h>
+#include <binderthreadstate/CallerUtils.h>
+#include <binderthreadstateutilstest/1.0/IHidlStuff.h>
+#include <gtest/gtest.h>
+#include <hidl/HidlTransportSupport.h>
+#include <linux/prctl.h>
+#include <sys/prctl.h>
+
+using android::BinderCallType;
+using android::defaultServiceManager;
+using android::getCurrentServingCall;
+using android::getService;
+using android::OK;
+using android::sp;
+using android::String16;
+using android::binder::Status;
+using android::hardware::Return;
+using binderthreadstateutilstest::V1_0::IHidlStuff;
+
+constexpr size_t kP1Id = 1;
+constexpr size_t kP2Id = 2;
+
+// AIDL and HIDL are in separate namespaces so using same service names
+std::string id2name(size_t id) {
+ return "libbinderthreadstateutils-" + std::to_string(id);
+}
+
+// There are two servers calling each other recursively like this.
+//
+// P1 P2
+// | --HIDL--> |
+// | <--HIDL-- |
+// | --AIDL--> |
+// | <--AIDL-- |
+// | --HIDL--> |
+// | <--HIDL-- |
+// | --AIDL--> |
+// | <--AIDL-- |
+// ..........
+//
+// Calls always come in pairs (AIDL returns AIDL, HIDL returns HIDL) because
+// this means that P1 always has a 'waitForResponse' call which can service the
+// returning call and continue the recursion. Of course, with more threads, more
+// complicated calls are possible, but this should do here.
+
+static void callHidl(size_t id, int32_t idx) {
+ auto stuff = IHidlStuff::getService(id2name(id));
+ CHECK(stuff->call(idx).isOk());
+}
+
+static void callAidl(size_t id, int32_t idx) {
+ sp<IAidlStuff> stuff;
+ CHECK(OK == android::getService<IAidlStuff>(String16(id2name(id).c_str()), &stuff));
+ CHECK(stuff->call(idx).isOk());
+}
+
+class HidlServer : public IHidlStuff {
+public:
+ HidlServer(size_t thisId, size_t otherId) : thisId(thisId), otherId(otherId) {}
+ size_t thisId;
+ size_t otherId;
+
+ Return<void> callLocal() {
+ CHECK(BinderCallType::NONE == getCurrentServingCall());
+ return android::hardware::Status::ok();
+ }
+ Return<void> call(int32_t idx) {
+ LOG(INFO) << "HidlServer CALL " << thisId << " to " << otherId << " at idx: " << idx
+ << " with tid: " << gettid();
+ CHECK(BinderCallType::HWBINDER == getCurrentServingCall());
+ if (idx > 0) {
+ if (thisId == kP1Id && idx % 4 < 2) {
+ callHidl(otherId, idx - 1);
+ } else {
+ callAidl(otherId, idx - 1);
+ }
+ }
+ CHECK(BinderCallType::HWBINDER == getCurrentServingCall());
+ return android::hardware::Status::ok();
+ }
+};
+class AidlServer : public BnAidlStuff {
+public:
+ AidlServer(size_t thisId, size_t otherId) : thisId(thisId), otherId(otherId) {}
+ size_t thisId;
+ size_t otherId;
+
+ Status callLocal() {
+ CHECK(BinderCallType::NONE == getCurrentServingCall());
+ return Status::ok();
+ }
+ Status call(int32_t idx) {
+ LOG(INFO) << "AidlServer CALL " << thisId << " to " << otherId << " at idx: " << idx
+ << " with tid: " << gettid();
+ CHECK(BinderCallType::BINDER == getCurrentServingCall());
+ if (idx > 0) {
+ if (thisId == kP2Id && idx % 4 < 2) {
+ callHidl(otherId, idx - 1);
+ } else {
+ callAidl(otherId, idx - 1);
+ }
+ }
+ CHECK(BinderCallType::BINDER == getCurrentServingCall());
+ return Status::ok();
+ }
+};
+
+TEST(BinderThreadState, LocalHidlCall) {
+ sp<IHidlStuff> server = new HidlServer(0, 0);
+ EXPECT_TRUE(server->callLocal().isOk());
+}
+
+TEST(BinderThreadState, LocalAidlCall) {
+ sp<IAidlStuff> server = new AidlServer(0, 0);
+ EXPECT_TRUE(server->callLocal().isOk());
+}
+
+TEST(BindThreadState, RemoteHidlCall) {
+ auto stuff = IHidlStuff::getService(id2name(kP1Id));
+ ASSERT_NE(nullptr, stuff);
+ ASSERT_TRUE(stuff->call(0).isOk());
+}
+TEST(BindThreadState, RemoteAidlCall) {
+ sp<IAidlStuff> stuff;
+ ASSERT_EQ(OK, android::getService<IAidlStuff>(String16(id2name(kP1Id).c_str()), &stuff));
+ ASSERT_NE(nullptr, stuff);
+ ASSERT_TRUE(stuff->call(0).isOk());
+}
+
+TEST(BindThreadState, RemoteNestedStartHidlCall) {
+ auto stuff = IHidlStuff::getService(id2name(kP1Id));
+ ASSERT_NE(nullptr, stuff);
+ ASSERT_TRUE(stuff->call(100).isOk());
+}
+TEST(BindThreadState, RemoteNestedStartAidlCall) {
+ sp<IAidlStuff> stuff;
+ ASSERT_EQ(OK, android::getService<IAidlStuff>(String16(id2name(kP1Id).c_str()), &stuff));
+ ASSERT_NE(nullptr, stuff);
+ EXPECT_TRUE(stuff->call(100).isOk());
+}
+
+int server(size_t thisId, size_t otherId) {
+ // AIDL
+ android::ProcessState::self()->setThreadPoolMaxThreadCount(1);
+ sp<AidlServer> aidlServer = new AidlServer(thisId, otherId);
+ CHECK(OK == defaultServiceManager()->addService(String16(id2name(thisId).c_str()), aidlServer));
+ android::ProcessState::self()->startThreadPool();
+
+ // HIDL
+ setenv("TREBLE_TESTING_OVERRIDE", "true", true);
+ android::hardware::configureRpcThreadpool(1, true /*callerWillJoin*/);
+ sp<IHidlStuff> hidlServer = new HidlServer(thisId, otherId);
+ CHECK(OK == hidlServer->registerAsService(id2name(thisId).c_str()));
+ android::hardware::joinRpcThreadpool();
+
+ return EXIT_FAILURE;
+}
+
+int main(int argc, char** argv) {
+ ::testing::InitGoogleTest(&argc, argv);
+ setenv("TREBLE_TESTING_OVERRIDE", "true", true);
+ if (fork() == 0) {
+ prctl(PR_SET_PDEATHSIG, SIGHUP);
+ return server(kP1Id, kP2Id);
+ }
+ if (fork() == 0) {
+ prctl(PR_SET_PDEATHSIG, SIGHUP);
+ return server(kP2Id, kP1Id);
+ }
+
+ android::waitForService<IAidlStuff>(String16(id2name(kP1Id).c_str()));
+ android::hardware::details::waitForHwService(IHidlStuff::descriptor, id2name(kP1Id).c_str());
+ android::waitForService<IAidlStuff>(String16(id2name(kP2Id).c_str()));
+ android::hardware::details::waitForHwService(IHidlStuff::descriptor, id2name(kP2Id).c_str());
+
+ return RUN_ALL_TESTS();
+}
diff --git a/libs/gui/Android.bp b/libs/gui/Android.bp
index 166775b..ba3195a 100644
--- a/libs/gui/Android.bp
+++ b/libs/gui/Android.bp
@@ -186,6 +186,10 @@
"libvndksupport",
],
+ static_libs: [
+ "libbinderthreadstateutils",
+ ],
+
header_libs: [
"libgui_headers",
"libnativebase_headers",
diff --git a/libs/gui/BufferQueueThreadState.cpp b/libs/gui/BufferQueueThreadState.cpp
index 3b531ec..c13030b 100644
--- a/libs/gui/BufferQueueThreadState.cpp
+++ b/libs/gui/BufferQueueThreadState.cpp
@@ -15,6 +15,7 @@
*/
#include <binder/IPCThreadState.h>
+#include <binderthreadstate/CallerUtils.h>
#include <hwbinder/IPCThreadState.h>
#include <private/gui/BufferQueueThreadState.h>
#include <unistd.h>
@@ -22,14 +23,14 @@
namespace android {
uid_t BufferQueueThreadState::getCallingUid() {
- if (hardware::IPCThreadState::self()->isServingCall()) {
+ if (getCurrentServingCall() == BinderCallType::HWBINDER) {
return hardware::IPCThreadState::self()->getCallingUid();
}
return IPCThreadState::self()->getCallingUid();
}
pid_t BufferQueueThreadState::getCallingPid() {
- if (hardware::IPCThreadState::self()->isServingCall()) {
+ if (getCurrentServingCall() == BinderCallType::HWBINDER) {
return hardware::IPCThreadState::self()->getCallingPid();
}
return IPCThreadState::self()->getCallingPid();