/*
* 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 <signal.h>
#include <sys/types.h>
#include <atomic>
#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([[maybe_unused]] jvmtiEnv* jenv) {
printf("Received dump request.\n" );
saw_dump_request.store(true , std::memory_order_relaxed);
}
extern "C" JNIEXPORT void JNICALL Java_art_Test933_testSigQuit(
JNIEnv* env, [[maybe_unused]] jclass Main_klass) {
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_relaxed)) {
break ;
}
}
ret = jvmti_env->SetEventNotificationMode(JVMTI_DISABLE, JVMTI_EVENT_DATA_DUMP_REQUEST, nullptr);
JvmtiErrorToException(env, jvmti_env, ret);
}
} // namespace Test933MiscEvents
} // namespace art
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¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-06-29)
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