1 /* 2 * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 #include <string.h> 25 #include "jvmti.h" 26 #include "agent_common.h" 27 #include "jni_tools.h" 28 #include "jvmti_tools.h" 29 30 extern "C" { 31 32 /* ============================================================================= */ 33 34 static jlong timeout = 0; 35 36 /* ============================================================================= */ 37 38 /** Agent algorithm. */ 39 static void JNICALL 40 agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) { 41 NSK_DISPLAY0("Wait for objects ready for GC\n"); 42 if (!NSK_VERIFY(nsk_jvmti_waitForSync(timeout))) 43 return; 44 45 NSK_DISPLAY0(">>> Testcase #1: force GC to collect sofly reachable objects\n"); 46 { 47 NSK_DISPLAY0("Call ForceGarbageCollection()\n"); 48 if (!NSK_JVMTI_VERIFY(jvmti->ForceGarbageCollection())) { 49 nsk_jvmti_setFailStatus(); 50 return; 51 } 52 NSK_DISPLAY0(" ... returnded\n"); 53 } 54 55 NSK_DISPLAY0("Let debugee to finish\n"); 56 if (!NSK_VERIFY(nsk_jvmti_resumeSync())) 57 return; 58 } 59 60 /* ============================================================================= */ 61 62 /** Agent library initialization. */ 63 #ifdef STATIC_BUILD 64 JNIEXPORT jint JNICALL Agent_OnLoad_forcegc001(JavaVM *jvm, char *options, void *reserved) { 65 return Agent_Initialize(jvm, options, reserved); 66 } 67 JNIEXPORT jint JNICALL Agent_OnAttach_forcegc001(JavaVM *jvm, char *options, void *reserved) { 68 return Agent_Initialize(jvm, options, reserved); 69 } 70 JNIEXPORT jint JNI_OnLoad_forcegc001(JavaVM *jvm, char *options, void *reserved) { 71 return JNI_VERSION_1_8; 72 } 73 #endif 74 jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) { 75 jvmtiEnv* jvmti = NULL; 76 77 if (!NSK_VERIFY(nsk_jvmti_parseOptions(options))) 78 return JNI_ERR; 79 80 timeout = nsk_jvmti_getWaitTime() * 60 * 1000; 81 82 if (!NSK_VERIFY((jvmti = 83 nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL)) 84 return JNI_ERR; 85 86 if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL))) 87 return JNI_ERR; 88 89 return JNI_OK; 90 } 91 92 /* ============================================================================= */ 93 94 }