test/hotspot/jtreg/vmTestbase/nsk/jvmti/scenarios/multienv/MA02/ma02t001/ma02t001.c
changeset 50260 46c67f5e27c2
equal deleted inserted replaced
50259:01d27ae7a84e 50260:46c67f5e27c2
       
     1 /*
       
     2  * Copyright (c) 2004, 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 <stdlib.h>
       
    25 #include <string.h>
       
    26 #include "jni_tools.h"
       
    27 #include "agent_common.h"
       
    28 #include "jvmti_tools.h"
       
    29 
       
    30 #define PASSED 0
       
    31 #define STATUS_FAILED 2
       
    32 
       
    33 #ifdef __cplusplus
       
    34 extern "C" {
       
    35 #endif
       
    36 
       
    37 /* ========================================================================== */
       
    38 
       
    39 /* scaffold objects */
       
    40 static jlong timeout = 0;
       
    41 
       
    42 /* test objects */
       
    43 static int VMInitEventsCount = 0;
       
    44 static int VMInitEventsExpected = 1;
       
    45 static int VMDeathEventsCount = 0;
       
    46 static int VMDeathEventsExpected = 1;
       
    47 
       
    48 /* ========================================================================== */
       
    49 
       
    50 /** callback functions **/
       
    51 
       
    52 void JNICALL VMInit(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thr) {
       
    53     NSK_DISPLAY0("VMInit event\n");
       
    54     VMInitEventsCount++;
       
    55 }
       
    56 
       
    57 void JNICALL
       
    58 VMDeath(jvmtiEnv *jvmti_env, JNIEnv *env) {
       
    59     NSK_DISPLAY0("VMDeath event\n");
       
    60     VMDeathEventsCount++;
       
    61 }
       
    62 
       
    63 /* ========================================================================== */
       
    64 
       
    65 /** Agent algorithm. */
       
    66 static void JNICALL
       
    67 agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
       
    68     if (!nsk_jvmti_waitForSync(timeout))
       
    69         return;
       
    70 
       
    71     if (VMInitEventsCount != VMInitEventsExpected) {
       
    72         NSK_COMPLAIN2("Wrong number of VM init events: %d, expected: %d\n",
       
    73             VMInitEventsCount, VMInitEventsExpected);
       
    74         nsk_jvmti_setFailStatus();
       
    75     }
       
    76 
       
    77     if (!nsk_jvmti_resumeSync())
       
    78         return;
       
    79 }
       
    80 
       
    81 /* ========================================================================== */
       
    82 
       
    83 /** Agent library initialization. */
       
    84 #ifdef STATIC_BUILD
       
    85 JNIEXPORT jint JNICALL Agent_OnLoad_ma02t001(JavaVM *jvm, char *options, void *reserved) {
       
    86     return Agent_Initialize(jvm, options, reserved);
       
    87 }
       
    88 JNIEXPORT jint JNICALL Agent_OnAttach_ma02t001(JavaVM *jvm, char *options, void *reserved) {
       
    89     return Agent_Initialize(jvm, options, reserved);
       
    90 }
       
    91 JNIEXPORT jint JNI_OnLoad_ma02t001(JavaVM *jvm, char *options, void *reserved) {
       
    92     return JNI_VERSION_1_8;
       
    93 }
       
    94 #endif
       
    95 jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
       
    96     jvmtiEnv* jvmti = NULL;
       
    97     jvmtiEventCallbacks callbacks;
       
    98 
       
    99     NSK_DISPLAY0("Agent_OnLoad\n");
       
   100 
       
   101     if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
       
   102         return JNI_ERR;
       
   103 
       
   104     timeout = nsk_jvmti_getWaitTime() * 60 * 1000;
       
   105 
       
   106     if (!NSK_VERIFY((jvmti =
       
   107             nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL))
       
   108         return JNI_ERR;
       
   109 
       
   110     if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL)))
       
   111         return JNI_ERR;
       
   112 
       
   113     memset(&callbacks, 0, sizeof(callbacks));
       
   114     callbacks.VMInit = &VMInit;
       
   115     callbacks.VMDeath = &VMDeath;
       
   116     if (!NSK_VERIFY(nsk_jvmti_init_MA(&callbacks)))
       
   117         return JNI_ERR;
       
   118 
       
   119     if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB4(SetEventNotificationMode,
       
   120             jvmti, JVMTI_ENABLE, JVMTI_EVENT_VM_INIT, NULL)))
       
   121         return JNI_ERR;
       
   122 
       
   123     if (!NSK_JVMTI_VERIFY(NSK_CPP_STUB4(SetEventNotificationMode,
       
   124             jvmti, JVMTI_ENABLE, JVMTI_EVENT_VM_DEATH, NULL)))
       
   125         return JNI_ERR;
       
   126 
       
   127     return JNI_OK;
       
   128 }
       
   129 
       
   130 /* ========================================================================== */
       
   131 
       
   132 /* agent library shutdown */
       
   133 JNIEXPORT void JNICALL
       
   134 #ifdef STATIC_BUILD
       
   135 Agent_OnUnload_ma02t001(JavaVM *jvm)
       
   136 #else
       
   137 Agent_OnUnload(JavaVM *jvm)
       
   138 #endif
       
   139 {
       
   140     const char* KEY_PHRASE = "Agent_OnUnload() of the 1st agent";
       
   141 
       
   142     fprintf(stdout, "%s\n", KEY_PHRASE);
       
   143     fflush(stdout);
       
   144 
       
   145     if (VMDeathEventsCount != VMDeathEventsExpected) {
       
   146         NSK_COMPLAIN2("Wrong number of VM death events: %d, expected: %d\n",
       
   147             VMDeathEventsCount, VMDeathEventsExpected);
       
   148         exit(97);
       
   149     }
       
   150 }
       
   151 
       
   152 /* ========================================================================== */
       
   153 
       
   154 #ifdef __cplusplus
       
   155 }
       
   156 #endif