ART: Add DataDumpRequest

Add support for DataDumpRequest. Add test.

Bug: 31684920
Test: m test-art-host-run-test-933-misc-events
Change-Id: Ic54b644a87cd046bc646d9f7fe24c0192f562677
diff --git a/test/933-misc-events/build b/test/933-misc-events/build
new file mode 100755
index 0000000..898e2e5
--- /dev/null
+++ b/test/933-misc-events/build
@@ -0,0 +1,17 @@
+#!/bin/bash
+#
+# Copyright 2016 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.
+
+./default-build "$@" --experimental agents
diff --git a/test/933-misc-events/expected.txt b/test/933-misc-events/expected.txt
new file mode 100644
index 0000000..024c560
--- /dev/null
+++ b/test/933-misc-events/expected.txt
@@ -0,0 +1,2 @@
+Received dump request.
+Done
diff --git a/test/933-misc-events/info.txt b/test/933-misc-events/info.txt
new file mode 100644
index 0000000..875a5f6
--- /dev/null
+++ b/test/933-misc-events/info.txt
@@ -0,0 +1 @@
+Tests basic functions in the jvmti plugin.
diff --git a/test/933-misc-events/misc_events.cc b/test/933-misc-events/misc_events.cc
new file mode 100644
index 0000000..860d4b5
--- /dev/null
+++ b/test/933-misc-events/misc_events.cc
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2017 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 <atomic>
+#include <signal.h>
+#include <sys/types.h>
+
+#include "base/logging.h"
+#include "base/macros.h"
+#include "jni.h"
+#include "openjdkjvmti/jvmti.h"
+
+#include "ti-agent/common_helper.h"
+#include "ti-agent/common_load.h"
+
+namespace art {
+namespace Test933MiscEvents {
+
+static std::atomic<bool> saw_dump_request(false);
+
+static void DumpRequestCallback(jvmtiEnv* jenv ATTRIBUTE_UNUSED) {
+  printf("Received dump request.\n");
+  saw_dump_request.store(true, std::memory_order::memory_order_relaxed);
+}
+
+extern "C" JNIEXPORT void JNICALL Java_Main_testSigQuit(
+    JNIEnv* env, jclass Main_klass ATTRIBUTE_UNUSED) {
+  jvmtiEventCallbacks callbacks;
+  memset(&callbacks, 0, sizeof(jvmtiEventCallbacks));
+  callbacks.DataDumpRequest = DumpRequestCallback;
+  jvmtiError ret = jvmti_env->SetEventCallbacks(&callbacks, sizeof(callbacks));
+  if (JvmtiErrorToException(env, ret)) {
+    return;
+  }
+
+  ret = jvmti_env->SetEventNotificationMode(JVMTI_ENABLE,
+                                            JVMTI_EVENT_DATA_DUMP_REQUEST,
+                                            nullptr);
+  if (JvmtiErrorToException(env, ret)) {
+    return;
+  }
+
+  // Send sigquit to self.
+  kill(getpid(), SIGQUIT);
+
+  // Busy-wait for request.
+  for (;;) {
+    sleep(1);
+    if (saw_dump_request.load(std::memory_order::memory_order_relaxed)) {
+      break;
+    }
+  }
+
+  ret = jvmti_env->SetEventNotificationMode(JVMTI_DISABLE, JVMTI_EVENT_DATA_DUMP_REQUEST, nullptr);
+  JvmtiErrorToException(env, ret);
+}
+
+}  // namespace Test933MiscEvents
+}  // namespace art
diff --git a/test/933-misc-events/run b/test/933-misc-events/run
new file mode 100755
index 0000000..0a8d067
--- /dev/null
+++ b/test/933-misc-events/run
@@ -0,0 +1,23 @@
+#!/bin/bash
+#
+# Copyright 2016 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.
+
+# This test checks whether dex files can be injected into parent classloaders. App images preload
+# classes, which will make the injection moot. Turn off app images to avoid the issue.
+
+./default-run "$@" --experimental agents \
+                   --experimental runtime-plugins \
+                   --jvmti \
+                   --no-app-image
diff --git a/test/933-misc-events/src/Main.java b/test/933-misc-events/src/Main.java
new file mode 100644
index 0000000..89801a3
--- /dev/null
+++ b/test/933-misc-events/src/Main.java
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+
+public class Main {
+  public static void main(String[] args) throws Exception {
+    testSigQuit();
+
+    System.out.println("Done");
+  }
+
+  private static native void testSigQuit();
+}
diff --git a/test/Android.bp b/test/Android.bp
index be5bc59..9f435dc 100644
--- a/test/Android.bp
+++ b/test/Android.bp
@@ -270,6 +270,7 @@
         "928-jni-table/jni_table.cc",
         "929-search/search.cc",
         "931-agent-thread/agent_thread.cc",
+        "933-misc-events/misc_events.cc",
     ],
     shared_libs: [
         "libbase",