75 lines
2.2 KiB
C++
75 lines
2.2 KiB
C++
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <signal.h>
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#include <sys/types.h>
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#include <atomic>
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#include "android-base/logging.h"
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#include "android-base/macros.h"
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#include "jni.h"
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#include "jvmti.h"
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// Test infrastructure
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#include "jvmti_helper.h"
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#include "test_env.h"
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namespace art {
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namespace Test933MiscEvents {
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static std::atomic<bool> saw_dump_request(false);
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static void DumpRequestCallback(jvmtiEnv* jenv ATTRIBUTE_UNUSED) {
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printf("Received dump request.\n");
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saw_dump_request.store(true, std::memory_order::memory_order_relaxed);
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}
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extern "C" JNIEXPORT void JNICALL Java_art_Test933_testSigQuit(
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JNIEnv* env, jclass Main_klass ATTRIBUTE_UNUSED) {
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jvmtiEventCallbacks callbacks;
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memset(&callbacks, 0, sizeof(jvmtiEventCallbacks));
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callbacks.DataDumpRequest = DumpRequestCallback;
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jvmtiError ret = jvmti_env->SetEventCallbacks(&callbacks, sizeof(callbacks));
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if (JvmtiErrorToException(env, jvmti_env, ret)) {
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return;
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}
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ret = jvmti_env->SetEventNotificationMode(JVMTI_ENABLE,
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JVMTI_EVENT_DATA_DUMP_REQUEST,
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nullptr);
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if (JvmtiErrorToException(env, jvmti_env, ret)) {
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return;
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}
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// Send sigquit to self.
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kill(getpid(), SIGQUIT);
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// Busy-wait for request.
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for (;;) {
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sleep(1);
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if (saw_dump_request.load(std::memory_order::memory_order_relaxed)) {
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break;
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}
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}
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ret = jvmti_env->SetEventNotificationMode(JVMTI_DISABLE, JVMTI_EVENT_DATA_DUMP_REQUEST, nullptr);
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JvmtiErrorToException(env, jvmti_env, ret);
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}
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} // namespace Test933MiscEvents
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} // namespace art
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