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src/demo/share/jvmti/gctest/gctest.c

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rev 12879 : 8136556: Add the ability to perform static builds of MacOSX x64 binaries
Reviewed-by: ihse, bdelsart, gadams, lfoltan, rriggs, hseigel, twisti
   1 /*
   2  * Copyright (c) 2004, 2011, Oracle and/or its affiliates. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  *
   8  *   - Redistributions of source code must retain the above copyright
   9  *     notice, this list of conditions and the following disclaimer.
  10  *
  11  *   - Redistributions in binary form must reproduce the above copyright
  12  *     notice, this list of conditions and the following disclaimer in the
  13  *     documentation and/or other materials provided with the distribution.
  14  *
  15  *   - Neither the name of Oracle nor the names of its
  16  *     contributors may be used to endorse or promote products derived
  17  *     from this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  20  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  21  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR


 131 
 132 /* Callback for JVMTI_EVENT_GARBAGE_COLLECTION_FINISH */
 133 static void JNICALL
 134 gc_finish(jvmtiEnv* jvmti_env)
 135 {
 136     jvmtiError err;
 137 
 138     stdout_message("GarbageCollectionFinish...\n");
 139 
 140     err = (*jvmti)->RawMonitorEnter(jvmti, lock);
 141     check_jvmti_error(jvmti, err, "raw monitor enter");
 142     gc_count++;
 143     err = (*jvmti)->RawMonitorNotify(jvmti, lock);
 144     check_jvmti_error(jvmti, err, "raw monitor notify");
 145     err = (*jvmti)->RawMonitorExit(jvmti, lock);
 146     check_jvmti_error(jvmti, err, "raw monitor exit");
 147 }
 148 
 149 /* Agent_OnLoad() is called first, we prepare for a VM_INIT event here. */
 150 JNIEXPORT jint JNICALL
 151 Agent_OnLoad(JavaVM *vm, char *options, void *reserved)
 152 {
 153     jint                rc;
 154     jvmtiError          err;
 155     jvmtiCapabilities   capabilities;
 156     jvmtiEventCallbacks callbacks;
 157 
 158     /* Get JVMTI environment */
 159     rc = (*vm)->GetEnv(vm, (void **)&jvmti, JVMTI_VERSION);
 160     if (rc != JNI_OK) {
 161         fatal_error("ERROR: Unable to create jvmtiEnv, rc=%d\n", rc);
 162         return -1;
 163     }
 164 
 165     /* Get/Add JVMTI capabilities */
 166     (void)memset(&capabilities, 0, sizeof(capabilities));
 167     capabilities.can_generate_garbage_collection_events = 1;
 168     err = (*jvmti)->AddCapabilities(jvmti, &capabilities);
 169     check_jvmti_error(jvmti, err, "add capabilities");
 170 
 171     /* Set callbacks and enable event notifications */


 176     err = (*jvmti)->SetEventCallbacks(jvmti, &callbacks, sizeof(callbacks));
 177     check_jvmti_error(jvmti, err, "set event callbacks");
 178     err = (*jvmti)->SetEventNotificationMode(jvmti, JVMTI_ENABLE,
 179                         JVMTI_EVENT_VM_INIT, NULL);
 180     check_jvmti_error(jvmti, err, "set event notification");
 181     err = (*jvmti)->SetEventNotificationMode(jvmti, JVMTI_ENABLE,
 182                         JVMTI_EVENT_GARBAGE_COLLECTION_START, NULL);
 183     check_jvmti_error(jvmti, err, "set event notification");
 184     err = (*jvmti)->SetEventNotificationMode(jvmti, JVMTI_ENABLE,
 185                         JVMTI_EVENT_GARBAGE_COLLECTION_FINISH, NULL);
 186     check_jvmti_error(jvmti, err, "set event notification");
 187 
 188     /* Create the necessary raw monitor */
 189     err = (*jvmti)->CreateRawMonitor(jvmti, "lock", &lock);
 190     check_jvmti_error(jvmti, err, "create raw monitor");
 191     return 0;
 192 }
 193 
 194 /* Agent_OnUnload() is called last */
 195 JNIEXPORT void JNICALL
 196 Agent_OnUnload(JavaVM *vm)
 197 {
 198 }
   1 /*
   2  * Copyright (c) 2004, 2015, Oracle and/or its affiliates. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  *
   8  *   - Redistributions of source code must retain the above copyright
   9  *     notice, this list of conditions and the following disclaimer.
  10  *
  11  *   - Redistributions in binary form must reproduce the above copyright
  12  *     notice, this list of conditions and the following disclaimer in the
  13  *     documentation and/or other materials provided with the distribution.
  14  *
  15  *   - Neither the name of Oracle nor the names of its
  16  *     contributors may be used to endorse or promote products derived
  17  *     from this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  20  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  21  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR


 131 
 132 /* Callback for JVMTI_EVENT_GARBAGE_COLLECTION_FINISH */
 133 static void JNICALL
 134 gc_finish(jvmtiEnv* jvmti_env)
 135 {
 136     jvmtiError err;
 137 
 138     stdout_message("GarbageCollectionFinish...\n");
 139 
 140     err = (*jvmti)->RawMonitorEnter(jvmti, lock);
 141     check_jvmti_error(jvmti, err, "raw monitor enter");
 142     gc_count++;
 143     err = (*jvmti)->RawMonitorNotify(jvmti, lock);
 144     check_jvmti_error(jvmti, err, "raw monitor notify");
 145     err = (*jvmti)->RawMonitorExit(jvmti, lock);
 146     check_jvmti_error(jvmti, err, "raw monitor exit");
 147 }
 148 
 149 /* Agent_OnLoad() is called first, we prepare for a VM_INIT event here. */
 150 JNIEXPORT jint JNICALL
 151 DEF_Agent_OnLoad(JavaVM *vm, char *options, void *reserved)
 152 {
 153     jint                rc;
 154     jvmtiError          err;
 155     jvmtiCapabilities   capabilities;
 156     jvmtiEventCallbacks callbacks;
 157 
 158     /* Get JVMTI environment */
 159     rc = (*vm)->GetEnv(vm, (void **)&jvmti, JVMTI_VERSION);
 160     if (rc != JNI_OK) {
 161         fatal_error("ERROR: Unable to create jvmtiEnv, rc=%d\n", rc);
 162         return -1;
 163     }
 164 
 165     /* Get/Add JVMTI capabilities */
 166     (void)memset(&capabilities, 0, sizeof(capabilities));
 167     capabilities.can_generate_garbage_collection_events = 1;
 168     err = (*jvmti)->AddCapabilities(jvmti, &capabilities);
 169     check_jvmti_error(jvmti, err, "add capabilities");
 170 
 171     /* Set callbacks and enable event notifications */


 176     err = (*jvmti)->SetEventCallbacks(jvmti, &callbacks, sizeof(callbacks));
 177     check_jvmti_error(jvmti, err, "set event callbacks");
 178     err = (*jvmti)->SetEventNotificationMode(jvmti, JVMTI_ENABLE,
 179                         JVMTI_EVENT_VM_INIT, NULL);
 180     check_jvmti_error(jvmti, err, "set event notification");
 181     err = (*jvmti)->SetEventNotificationMode(jvmti, JVMTI_ENABLE,
 182                         JVMTI_EVENT_GARBAGE_COLLECTION_START, NULL);
 183     check_jvmti_error(jvmti, err, "set event notification");
 184     err = (*jvmti)->SetEventNotificationMode(jvmti, JVMTI_ENABLE,
 185                         JVMTI_EVENT_GARBAGE_COLLECTION_FINISH, NULL);
 186     check_jvmti_error(jvmti, err, "set event notification");
 187 
 188     /* Create the necessary raw monitor */
 189     err = (*jvmti)->CreateRawMonitor(jvmti, "lock", &lock);
 190     check_jvmti_error(jvmti, err, "create raw monitor");
 191     return 0;
 192 }
 193 
 194 /* Agent_OnUnload() is called last */
 195 JNIEXPORT void JNICALL
 196 DEF_Agent_OnUnload(JavaVM *vm)
 197 {
 198 }
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