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-rw-r--r--libs/binder/RpcServer.cpp2
-rw-r--r--libs/binder/tests/Android.bp6
-rw-r--r--libs/binder/tests/binderLibTest.cpp212
-rw-r--r--services/surfaceflinger/BufferStateLayer.cpp67
-rw-r--r--services/surfaceflinger/BufferStateLayer.h2
5 files changed, 162 insertions, 127 deletions
diff --git a/libs/binder/RpcServer.cpp b/libs/binder/RpcServer.cpp
index 51c770e85d..c0cdcd6bee 100644
--- a/libs/binder/RpcServer.cpp
+++ b/libs/binder/RpcServer.cpp
@@ -117,8 +117,6 @@ sp<IBinder> RpcServer::getRootObject() {
void RpcServer::join() {
LOG_ALWAYS_FATAL_IF(!mAgreedExperimental, "no!");
-
- std::vector<std::thread> pool;
{
std::lock_guard<std::mutex> _l(mLock);
LOG_ALWAYS_FATAL_IF(mServer.get() == -1, "RpcServer must be setup to join.");
diff --git a/libs/binder/tests/Android.bp b/libs/binder/tests/Android.bp
index c0f7c99564..ec231b2345 100644
--- a/libs/binder/tests/Android.bp
+++ b/libs/binder/tests/Android.bp
@@ -63,6 +63,9 @@ cc_test {
"libbinder",
"libutils",
],
+ static_libs: [
+ "libgmock",
+ ],
compile_multilib: "32",
multilib: { lib32: { suffix: "" } },
cflags: ["-DBINDER_IPC_32BIT=1"],
@@ -101,6 +104,9 @@ cc_test {
"libbinder",
"libutils",
],
+ static_libs: [
+ "libgmock",
+ ],
test_suites: ["device-tests", "vts"],
require_root: true,
}
diff --git a/libs/binder/tests/binderLibTest.cpp b/libs/binder/tests/binderLibTest.cpp
index 5676bd1939..0c3fbcd2da 100644
--- a/libs/binder/tests/binderLibTest.cpp
+++ b/libs/binder/tests/binderLibTest.cpp
@@ -23,6 +23,7 @@
#include <stdlib.h>
#include <thread>
+#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <binder/Binder.h>
@@ -41,6 +42,13 @@
#define ARRAY_SIZE(array) (sizeof array / sizeof array[0])
using namespace android;
+using testing::Not;
+
+// e.g. EXPECT_THAT(expr, StatusEq(OK)) << "additional message";
+MATCHER_P(StatusEq, expected, (negation ? "not " : "") + statusToString(expected)) {
+ *result_listener << statusToString(arg);
+ return expected == arg;
+}
static ::testing::AssertionResult IsPageAligned(void *buf) {
if (((unsigned long)buf & ((unsigned long)PAGE_SIZE - 1)) == 0)
@@ -205,19 +213,16 @@ class BinderLibTest : public ::testing::Test {
protected:
sp<IBinder> addServerEtc(int32_t *idPtr, int code)
{
- int ret;
int32_t id;
Parcel data, reply;
sp<IBinder> binder;
- ret = m_server->transact(code, data, &reply);
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(m_server->transact(code, data, &reply), StatusEq(NO_ERROR));
EXPECT_FALSE(binder != nullptr);
binder = reply.readStrongBinder();
EXPECT_TRUE(binder != nullptr);
- ret = reply.readInt32(&id);
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(reply.readInt32(&id), StatusEq(NO_ERROR));
if (idPtr)
*idPtr = id;
return binder;
@@ -401,29 +406,25 @@ class TestDeathRecipient : public IBinder::DeathRecipient, public BinderLibTestE
};
TEST_F(BinderLibTest, NopTransaction) {
- status_t ret;
Parcel data, reply;
- ret = m_server->transact(BINDER_LIB_TEST_NOP_TRANSACTION, data, &reply);
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(m_server->transact(BINDER_LIB_TEST_NOP_TRANSACTION, data, &reply),
+ StatusEq(NO_ERROR));
}
TEST_F(BinderLibTest, NopTransactionOneway) {
- status_t ret;
Parcel data, reply;
- ret = m_server->transact(BINDER_LIB_TEST_NOP_TRANSACTION, data, &reply, TF_ONE_WAY);
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(m_server->transact(BINDER_LIB_TEST_NOP_TRANSACTION, data, &reply, TF_ONE_WAY),
+ StatusEq(NO_ERROR));
}
TEST_F(BinderLibTest, NopTransactionClear) {
- status_t ret;
Parcel data, reply;
// make sure it accepts the transaction flag
- ret = m_server->transact(BINDER_LIB_TEST_NOP_TRANSACTION, data, &reply, TF_CLEAR_BUF);
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(m_server->transact(BINDER_LIB_TEST_NOP_TRANSACTION, data, &reply, TF_CLEAR_BUF),
+ StatusEq(NO_ERROR));
}
TEST_F(BinderLibTest, Freeze) {
- status_t ret;
Parcel data, reply, replypid;
std::ifstream freezer_file("/sys/fs/cgroup/freezer/cgroup.freeze");
@@ -442,9 +443,8 @@ TEST_F(BinderLibTest, Freeze) {
return;
}
- ret = m_server->transact(BINDER_LIB_TEST_GETPID, data, &replypid);
+ EXPECT_THAT(m_server->transact(BINDER_LIB_TEST_GETPID, data, &replypid), StatusEq(NO_ERROR));
int32_t pid = replypid.readInt32();
- EXPECT_EQ(NO_ERROR, ret);
for (int i = 0; i < 10; i++) {
EXPECT_EQ(NO_ERROR, m_server->transact(BINDER_LIB_TEST_NOP_TRANSACTION_WAIT, data, &reply, TF_ONE_WAY));
}
@@ -468,42 +468,36 @@ TEST_F(BinderLibTest, Freeze) {
TEST_F(BinderLibTest, SetError) {
int32_t testValue[] = { 0, -123, 123 };
for (size_t i = 0; i < ARRAY_SIZE(testValue); i++) {
- status_t ret;
Parcel data, reply;
data.writeInt32(testValue[i]);
- ret = m_server->transact(BINDER_LIB_TEST_SET_ERROR_TRANSACTION, data, &reply);
- EXPECT_EQ(testValue[i], ret);
+ EXPECT_THAT(m_server->transact(BINDER_LIB_TEST_SET_ERROR_TRANSACTION, data, &reply),
+ StatusEq(testValue[i]));
}
}
TEST_F(BinderLibTest, GetId) {
- status_t ret;
int32_t id;
Parcel data, reply;
- ret = m_server->transact(BINDER_LIB_TEST_GET_ID_TRANSACTION, data, &reply);
- EXPECT_EQ(NO_ERROR, ret);
- ret = reply.readInt32(&id);
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(m_server->transact(BINDER_LIB_TEST_GET_ID_TRANSACTION, data, &reply),
+ StatusEq(NO_ERROR));
+ EXPECT_THAT(reply.readInt32(&id), StatusEq(NO_ERROR));
EXPECT_EQ(0, id);
}
TEST_F(BinderLibTest, PtrSize) {
- status_t ret;
int32_t ptrsize;
Parcel data, reply;
sp<IBinder> server = addServer();
ASSERT_TRUE(server != nullptr);
- ret = server->transact(BINDER_LIB_TEST_GET_PTR_SIZE_TRANSACTION, data, &reply);
- EXPECT_EQ(NO_ERROR, ret);
- ret = reply.readInt32(&ptrsize);
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(server->transact(BINDER_LIB_TEST_GET_PTR_SIZE_TRANSACTION, data, &reply),
+ StatusEq(NO_ERROR));
+ EXPECT_THAT(reply.readInt32(&ptrsize), StatusEq(NO_ERROR));
RecordProperty("TestPtrSize", sizeof(void *));
RecordProperty("ServerPtrSize", sizeof(void *));
}
TEST_F(BinderLibTest, IndirectGetId2)
{
- status_t ret;
int32_t id;
int32_t count;
Parcel data, reply;
@@ -521,22 +515,19 @@ TEST_F(BinderLibTest, IndirectGetId2)
datai.appendTo(&data);
}
- ret = m_server->transact(BINDER_LIB_TEST_INDIRECT_TRANSACTION, data, &reply);
- ASSERT_EQ(NO_ERROR, ret);
+ ASSERT_THAT(m_server->transact(BINDER_LIB_TEST_INDIRECT_TRANSACTION, data, &reply),
+ StatusEq(NO_ERROR));
- ret = reply.readInt32(&id);
- ASSERT_EQ(NO_ERROR, ret);
+ ASSERT_THAT(reply.readInt32(&id), StatusEq(NO_ERROR));
EXPECT_EQ(0, id);
- ret = reply.readInt32(&count);
- ASSERT_EQ(NO_ERROR, ret);
+ ASSERT_THAT(reply.readInt32(&count), StatusEq(NO_ERROR));
EXPECT_EQ(ARRAY_SIZE(serverId), (size_t)count);
for (size_t i = 0; i < (size_t)count; i++) {
BinderLibTestBundle replyi(&reply);
EXPECT_TRUE(replyi.isValid());
- ret = replyi.readInt32(&id);
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(replyi.readInt32(&id), StatusEq(NO_ERROR));
EXPECT_EQ(serverId[i], id);
EXPECT_EQ(replyi.dataSize(), replyi.dataPosition());
}
@@ -546,7 +537,6 @@ TEST_F(BinderLibTest, IndirectGetId2)
TEST_F(BinderLibTest, IndirectGetId3)
{
- status_t ret;
int32_t id;
int32_t count;
Parcel data, reply;
@@ -571,15 +561,13 @@ TEST_F(BinderLibTest, IndirectGetId3)
datai.appendTo(&data);
}
- ret = m_server->transact(BINDER_LIB_TEST_INDIRECT_TRANSACTION, data, &reply);
- ASSERT_EQ(NO_ERROR, ret);
+ ASSERT_THAT(m_server->transact(BINDER_LIB_TEST_INDIRECT_TRANSACTION, data, &reply),
+ StatusEq(NO_ERROR));
- ret = reply.readInt32(&id);
- ASSERT_EQ(NO_ERROR, ret);
+ ASSERT_THAT(reply.readInt32(&id), StatusEq(NO_ERROR));
EXPECT_EQ(0, id);
- ret = reply.readInt32(&count);
- ASSERT_EQ(NO_ERROR, ret);
+ ASSERT_THAT(reply.readInt32(&count), StatusEq(NO_ERROR));
EXPECT_EQ(ARRAY_SIZE(serverId), (size_t)count);
for (size_t i = 0; i < (size_t)count; i++) {
@@ -587,18 +575,15 @@ TEST_F(BinderLibTest, IndirectGetId3)
BinderLibTestBundle replyi(&reply);
EXPECT_TRUE(replyi.isValid());
- ret = replyi.readInt32(&id);
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(replyi.readInt32(&id), StatusEq(NO_ERROR));
EXPECT_EQ(serverId[i], id);
- ret = replyi.readInt32(&counti);
- ASSERT_EQ(NO_ERROR, ret);
+ ASSERT_THAT(replyi.readInt32(&counti), StatusEq(NO_ERROR));
EXPECT_EQ(1, counti);
BinderLibTestBundle replyi2(&replyi);
EXPECT_TRUE(replyi2.isValid());
- ret = replyi2.readInt32(&id);
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(replyi2.readInt32(&id), StatusEq(NO_ERROR));
EXPECT_EQ(0, id);
EXPECT_EQ(replyi2.dataSize(), replyi2.dataPosition());
@@ -610,16 +595,13 @@ TEST_F(BinderLibTest, IndirectGetId3)
TEST_F(BinderLibTest, CallBack)
{
- status_t ret;
Parcel data, reply;
sp<BinderLibTestCallBack> callBack = new BinderLibTestCallBack();
data.writeStrongBinder(callBack);
- ret = m_server->transact(BINDER_LIB_TEST_NOP_CALL_BACK, data, &reply, TF_ONE_WAY);
- EXPECT_EQ(NO_ERROR, ret);
- ret = callBack->waitEvent(5);
- EXPECT_EQ(NO_ERROR, ret);
- ret = callBack->getResult();
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(m_server->transact(BINDER_LIB_TEST_NOP_CALL_BACK, data, &reply, TF_ONE_WAY),
+ StatusEq(NO_ERROR));
+ EXPECT_THAT(callBack->waitEvent(5), StatusEq(NO_ERROR));
+ EXPECT_THAT(callBack->getResult(), StatusEq(NO_ERROR));
}
TEST_F(BinderLibTest, AddServer)
@@ -630,7 +612,6 @@ TEST_F(BinderLibTest, AddServer)
TEST_F(BinderLibTest, DeathNotificationStrongRef)
{
- status_t ret;
sp<IBinder> sbinder;
sp<TestDeathRecipient> testDeathRecipient = new TestDeathRecipient();
@@ -638,20 +619,17 @@ TEST_F(BinderLibTest, DeathNotificationStrongRef)
{
sp<IBinder> binder = addServer();
ASSERT_TRUE(binder != nullptr);
- ret = binder->linkToDeath(testDeathRecipient);
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(binder->linkToDeath(testDeathRecipient), StatusEq(NO_ERROR));
sbinder = binder;
}
{
Parcel data, reply;
- ret = sbinder->transact(BINDER_LIB_TEST_EXIT_TRANSACTION, data, &reply, TF_ONE_WAY);
- EXPECT_EQ(0, ret);
+ EXPECT_THAT(sbinder->transact(BINDER_LIB_TEST_EXIT_TRANSACTION, data, &reply, TF_ONE_WAY),
+ StatusEq(OK));
}
IPCThreadState::self()->flushCommands();
- ret = testDeathRecipient->waitEvent(5);
- EXPECT_EQ(NO_ERROR, ret);
- ret = sbinder->unlinkToDeath(testDeathRecipient);
- EXPECT_EQ(DEAD_OBJECT, ret);
+ EXPECT_THAT(testDeathRecipient->waitEvent(5), StatusEq(NO_ERROR));
+ EXPECT_THAT(sbinder->unlinkToDeath(testDeathRecipient), StatusEq(DEAD_OBJECT));
}
TEST_F(BinderLibTest, DeathNotificationMultiple)
@@ -674,8 +652,9 @@ TEST_F(BinderLibTest, DeathNotificationMultiple)
callBack[i] = new BinderLibTestCallBack();
data.writeStrongBinder(target);
data.writeStrongBinder(callBack[i]);
- ret = linkedclient[i]->transact(BINDER_LIB_TEST_LINK_DEATH_TRANSACTION, data, &reply, TF_ONE_WAY);
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(linkedclient[i]->transact(BINDER_LIB_TEST_LINK_DEATH_TRANSACTION, data,
+ &reply, TF_ONE_WAY),
+ StatusEq(NO_ERROR));
}
{
Parcel data, reply;
@@ -683,8 +662,9 @@ TEST_F(BinderLibTest, DeathNotificationMultiple)
passiveclient[i] = addServer();
ASSERT_TRUE(passiveclient[i] != nullptr);
data.writeStrongBinder(target);
- ret = passiveclient[i]->transact(BINDER_LIB_TEST_ADD_STRONG_REF_TRANSACTION, data, &reply, TF_ONE_WAY);
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(passiveclient[i]->transact(BINDER_LIB_TEST_ADD_STRONG_REF_TRANSACTION, data,
+ &reply, TF_ONE_WAY),
+ StatusEq(NO_ERROR));
}
}
{
@@ -694,10 +674,8 @@ TEST_F(BinderLibTest, DeathNotificationMultiple)
}
for (int i = 0; i < clientcount; i++) {
- ret = callBack[i]->waitEvent(5);
- EXPECT_EQ(NO_ERROR, ret);
- ret = callBack[i]->getResult();
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(callBack[i]->waitEvent(5), StatusEq(NO_ERROR));
+ EXPECT_THAT(callBack[i]->getResult(), StatusEq(NO_ERROR));
}
}
@@ -712,8 +690,7 @@ TEST_F(BinderLibTest, DeathNotificationThread)
sp<TestDeathRecipient> testDeathRecipient = new TestDeathRecipient();
- ret = target->linkToDeath(testDeathRecipient);
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(target->linkToDeath(testDeathRecipient), StatusEq(NO_ERROR));
{
Parcel data, reply;
@@ -750,14 +727,13 @@ TEST_F(BinderLibTest, DeathNotificationThread)
callback = new BinderLibTestCallBack();
data.writeStrongBinder(target);
data.writeStrongBinder(callback);
- ret = client->transact(BINDER_LIB_TEST_LINK_DEATH_TRANSACTION, data, &reply, TF_ONE_WAY);
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(client->transact(BINDER_LIB_TEST_LINK_DEATH_TRANSACTION, data, &reply,
+ TF_ONE_WAY),
+ StatusEq(NO_ERROR));
}
- ret = callback->waitEvent(5);
- EXPECT_EQ(NO_ERROR, ret);
- ret = callback->getResult();
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(callback->waitEvent(5), StatusEq(NO_ERROR));
+ EXPECT_THAT(callback->getResult(), StatusEq(NO_ERROR));
}
TEST_F(BinderLibTest, PassFile) {
@@ -773,17 +749,14 @@ TEST_F(BinderLibTest, PassFile) {
Parcel data, reply;
uint8_t writebuf[1] = { write_value };
- ret = data.writeFileDescriptor(pipefd[1], true);
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(data.writeFileDescriptor(pipefd[1], true), StatusEq(NO_ERROR));
- ret = data.writeInt32(sizeof(writebuf));
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(data.writeInt32(sizeof(writebuf)), StatusEq(NO_ERROR));
- ret = data.write(writebuf, sizeof(writebuf));
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(data.write(writebuf, sizeof(writebuf)), StatusEq(NO_ERROR));
- ret = m_server->transact(BINDER_LIB_TEST_WRITE_FILE_TRANSACTION, data, &reply);
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(m_server->transact(BINDER_LIB_TEST_WRITE_FILE_TRANSACTION, data, &reply),
+ StatusEq(NO_ERROR));
}
ret = read(pipefd[0], buf, sizeof(buf));
@@ -864,11 +837,10 @@ TEST_F(BinderLibTest, RemoteGetExtension) {
}
TEST_F(BinderLibTest, CheckHandleZeroBinderHighBitsZeroCookie) {
- status_t ret;
Parcel data, reply;
- ret = m_server->transact(BINDER_LIB_TEST_GET_SELF_TRANSACTION, data, &reply);
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(m_server->transact(BINDER_LIB_TEST_GET_SELF_TRANSACTION, data, &reply),
+ StatusEq(NO_ERROR));
const flat_binder_object *fb = reply.readObject(false);
ASSERT_TRUE(fb != nullptr);
@@ -888,8 +860,8 @@ TEST_F(BinderLibTest, FreedBinder) {
wp<IBinder> keepFreedBinder;
{
Parcel data, reply;
- ret = server->transact(BINDER_LIB_TEST_CREATE_BINDER_TRANSACTION, data, &reply);
- ASSERT_EQ(NO_ERROR, ret);
+ ASSERT_THAT(server->transact(BINDER_LIB_TEST_CREATE_BINDER_TRANSACTION, data, &reply),
+ StatusEq(NO_ERROR));
struct flat_binder_object *freed = (struct flat_binder_object *)(reply.data());
freedHandle = freed->handle;
/* Add a weak ref to the freed binder so the driver does not
@@ -950,7 +922,6 @@ TEST_F(BinderLibTest, ParcelAllocatedOnAnotherThread) {
}
TEST_F(BinderLibTest, CheckNoHeaderMappedInUser) {
- status_t ret;
Parcel data, reply;
sp<BinderLibTestCallBack> callBack = new BinderLibTestCallBack();
for (int i = 0; i < 2; i++) {
@@ -964,13 +935,12 @@ TEST_F(BinderLibTest, CheckNoHeaderMappedInUser) {
datai.appendTo(&data);
}
- ret = m_server->transact(BINDER_LIB_TEST_INDIRECT_TRANSACTION, data, &reply);
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(m_server->transact(BINDER_LIB_TEST_INDIRECT_TRANSACTION, data, &reply),
+ StatusEq(NO_ERROR));
}
TEST_F(BinderLibTest, OnewayQueueing)
{
- status_t ret;
Parcel data, data2;
sp<IBinder> pollServer = addPollServer();
@@ -983,25 +953,21 @@ TEST_F(BinderLibTest, OnewayQueueing)
data2.writeStrongBinder(callBack2);
data2.writeInt32(0); // delay in us
- ret = pollServer->transact(BINDER_LIB_TEST_DELAYED_CALL_BACK, data, nullptr, TF_ONE_WAY);
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(pollServer->transact(BINDER_LIB_TEST_DELAYED_CALL_BACK, data, nullptr, TF_ONE_WAY),
+ StatusEq(NO_ERROR));
// The delay ensures that this second transaction will end up on the async_todo list
// (for a single-threaded server)
- ret = pollServer->transact(BINDER_LIB_TEST_DELAYED_CALL_BACK, data2, nullptr, TF_ONE_WAY);
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(pollServer->transact(BINDER_LIB_TEST_DELAYED_CALL_BACK, data2, nullptr, TF_ONE_WAY),
+ StatusEq(NO_ERROR));
// The server will ensure that the two transactions are handled in the expected order;
// If the ordering is not as expected, an error will be returned through the callbacks.
- ret = callBack->waitEvent(2);
- EXPECT_EQ(NO_ERROR, ret);
- ret = callBack->getResult();
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(callBack->waitEvent(2), StatusEq(NO_ERROR));
+ EXPECT_THAT(callBack->getResult(), StatusEq(NO_ERROR));
- ret = callBack2->waitEvent(2);
- EXPECT_EQ(NO_ERROR, ret);
- ret = callBack2->getResult();
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(callBack2->waitEvent(2), StatusEq(NO_ERROR));
+ EXPECT_THAT(callBack2->getResult(), StatusEq(NO_ERROR));
}
TEST_F(BinderLibTest, WorkSourceUnsetByDefault)
@@ -1120,8 +1086,8 @@ TEST_F(BinderLibTest, SchedPolicySet) {
ASSERT_TRUE(server != nullptr);
Parcel data, reply;
- status_t ret = server->transact(BINDER_LIB_TEST_GET_SCHEDULING_POLICY, data, &reply);
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(server->transact(BINDER_LIB_TEST_GET_SCHEDULING_POLICY, data, &reply),
+ StatusEq(NO_ERROR));
int policy = reply.readInt32();
int priority = reply.readInt32();
@@ -1140,8 +1106,8 @@ TEST_F(BinderLibTest, InheritRt) {
EXPECT_EQ(0, sched_setscheduler(getpid(), SCHED_RR, &param));
Parcel data, reply;
- status_t ret = server->transact(BINDER_LIB_TEST_GET_SCHEDULING_POLICY, data, &reply);
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(server->transact(BINDER_LIB_TEST_GET_SCHEDULING_POLICY, data, &reply),
+ StatusEq(NO_ERROR));
int policy = reply.readInt32();
int priority = reply.readInt32();
@@ -1158,10 +1124,9 @@ TEST_F(BinderLibTest, VectorSent) {
std::vector<uint64_t> const testValue = { std::numeric_limits<uint64_t>::max(), 0, 200 };
data.writeUint64Vector(testValue);
- status_t ret = server->transact(BINDER_LIB_TEST_ECHO_VECTOR, data, &reply);
- EXPECT_EQ(NO_ERROR, ret);
+ EXPECT_THAT(server->transact(BINDER_LIB_TEST_ECHO_VECTOR, data, &reply), StatusEq(NO_ERROR));
std::vector<uint64_t> readValue;
- ret = reply.readUint64Vector(&readValue);
+ EXPECT_THAT(reply.readUint64Vector(&readValue), StatusEq(OK));
EXPECT_EQ(readValue, testValue);
}
@@ -1186,19 +1151,18 @@ TEST_F(BinderLibTest, BufRejected) {
memcpy(parcelData, &obj, sizeof(obj));
data.setDataSize(sizeof(obj));
- status_t ret = server->transact(BINDER_LIB_TEST_REJECT_BUF, data, &reply);
// Either the kernel should reject this transaction (if it's correct), but
// if it's not, the server implementation should return an error if it
// finds an object in the received Parcel.
- EXPECT_NE(NO_ERROR, ret);
+ EXPECT_THAT(server->transact(BINDER_LIB_TEST_REJECT_BUF, data, &reply),
+ Not(StatusEq(NO_ERROR)));
}
TEST_F(BinderLibTest, GotSid) {
sp<IBinder> server = addServer();
Parcel data;
- status_t ret = server->transact(BINDER_LIB_TEST_CAN_GET_SID, data, nullptr);
- EXPECT_EQ(OK, ret);
+ EXPECT_THAT(server->transact(BINDER_LIB_TEST_CAN_GET_SID, data, nullptr), StatusEq(OK));
}
class BinderLibTestService : public BBinder
diff --git a/services/surfaceflinger/BufferStateLayer.cpp b/services/surfaceflinger/BufferStateLayer.cpp
index 41dd7bfaa4..d94347a237 100644
--- a/services/surfaceflinger/BufferStateLayer.cpp
+++ b/services/surfaceflinger/BufferStateLayer.cpp
@@ -66,10 +66,70 @@ BufferStateLayer::~BufferStateLayer() {
}
}
+status_t BufferStateLayer::addReleaseFence(const sp<CallbackHandle>& ch,
+ const sp<Fence>& fence) {
+ if (ch == nullptr) {
+ return OK;
+ }
+ if (!ch->previousReleaseFence.get()) {
+ ch->previousReleaseFence = fence;
+ return OK;
+ }
+
+ // Below logic is lifted from ConsumerBase.cpp:
+ // Check status of fences first because merging is expensive.
+ // Merging an invalid fence with any other fence results in an
+ // invalid fence.
+ auto currentStatus = ch->previousReleaseFence->getStatus();
+ if (currentStatus == Fence::Status::Invalid) {
+ ALOGE("Existing fence has invalid state, layer: %s", mName.c_str());
+ return BAD_VALUE;
+ }
+
+ auto incomingStatus = fence->getStatus();
+ if (incomingStatus == Fence::Status::Invalid) {
+ ALOGE("New fence has invalid state, layer: %s", mName.c_str());
+ ch->previousReleaseFence = fence;
+ return BAD_VALUE;
+ }
+
+ // If both fences are signaled or both are unsignaled, we need to merge
+ // them to get an accurate timestamp.
+ if (currentStatus == incomingStatus) {
+ char fenceName[32] = {};
+ snprintf(fenceName, 32, "%.28s", mName.c_str());
+ sp<Fence> mergedFence = Fence::merge(
+ fenceName, ch->previousReleaseFence, fence);
+ if (!mergedFence.get()) {
+ ALOGE("failed to merge release fences, layer: %s", mName.c_str());
+ // synchronization is broken, the best we can do is hope fences
+ // signal in order so the new fence will act like a union
+ ch->previousReleaseFence = fence;
+ return BAD_VALUE;
+ }
+ ch->previousReleaseFence = mergedFence;
+ } else if (incomingStatus == Fence::Status::Unsignaled) {
+ // If one fence has signaled and the other hasn't, the unsignaled
+ // fence will approximately correspond with the correct timestamp.
+ // There's a small race if both fences signal at about the same time
+ // and their statuses are retrieved with unfortunate timing. However,
+ // by this point, they will have both signaled and only the timestamp
+ // will be slightly off; any dependencies after this point will
+ // already have been met.
+ ch->previousReleaseFence = fence;
+ }
+ // else if (currentStatus == Fence::Status::Unsignaled) is a no-op.
+
+ return OK;
+}
+
// -----------------------------------------------------------------------
// Interface implementation for Layer
// -----------------------------------------------------------------------
void BufferStateLayer::onLayerDisplayed(const sp<Fence>& releaseFence) {
+ if (!releaseFence->isValid()) {
+ return;
+ }
// The previous release fence notifies the client that SurfaceFlinger is done with the previous
// buffer that was presented on this layer. The first transaction that came in this frame that
// replaced the previous buffer on this layer needs this release fence, because the fence will
@@ -86,12 +146,17 @@ void BufferStateLayer::onLayerDisplayed(const sp<Fence>& releaseFence) {
// buffer. It replaces the buffer in the second transaction. The buffer in the second
// transaction will now no longer be presented so it is released immediately and the third
// transaction doesn't need a previous release fence.
+ sp<CallbackHandle> ch;
for (auto& handle : mDrawingState.callbackHandles) {
if (handle->releasePreviousBuffer) {
- handle->previousReleaseFence = releaseFence;
+ ch = handle;
break;
}
}
+ auto status = addReleaseFence(ch, releaseFence);
+ if (status != OK) {
+ ALOGE("Failed to add release fence for layer %s", getName().c_str());
+ }
mPreviousReleaseFence = releaseFence;
diff --git a/services/surfaceflinger/BufferStateLayer.h b/services/surfaceflinger/BufferStateLayer.h
index 00fa7f7a2d..2430c4e257 100644
--- a/services/surfaceflinger/BufferStateLayer.h
+++ b/services/surfaceflinger/BufferStateLayer.h
@@ -120,6 +120,8 @@ private:
bool updateFrameEventHistory(const sp<Fence>& acquireFence, nsecs_t postedTime,
nsecs_t requestedPresentTime);
+ status_t addReleaseFence(const sp<CallbackHandle>& ch, const sp<Fence>& releaseFence);
+
uint64_t getFrameNumber(nsecs_t expectedPresentTime) const override;
bool getAutoRefresh() const override;
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-10-22 04:35:48 +0000