blob: 27dab8b31fb2613eb6a429b072d4a4eebdb187b5 [file] [log] [blame]
/*
* 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 "android-base/logging.h"
#include "android-base/macros.h"
#include "jni.h"
#include "jvmti.h"
// Test infrastructure
#include "jvmti_helper.h"
#include "test_env.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_art_Test933_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, jvmti_env, ret)) {
return;
}
ret = jvmti_env->SetEventNotificationMode(JVMTI_ENABLE,
JVMTI_EVENT_DATA_DUMP_REQUEST,
nullptr);
if (JvmtiErrorToException(env, jvmti_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, jvmti_env, ret);
}
} // namespace Test933MiscEvents
} // namespace art