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 #ifdef __cplusplus

    31 extern "C" {

    32 #endif

    33 

    34 /* ============================================================================= */

    35 

    36 static jlong timeout = 0;

    37 

    38 #define PROPERTIES_COUNT  3

    39 

    40 typedef struct PropertyDescStruct {

    41     const char* name;

    42     const char* value;

    43 } PropertyDesc;

    44 

    45 static PropertyDesc propDescList[PROPERTIES_COUNT] = {

    46     {"nsk.jvmti.test.property", "new value of nsk.jvmti.test.property"},

    47     {"nsk.jvmti.test.property.empty.old", "new value of nsk.jvmti.test.property.emply.old"},

    48     {"nsk.jvmti.test.property.empty.new", ""}

    49 };

    50 

    51 /* ============================================================================= */

    52 

    53 static int setProperties(jvmtiEnv* jvmti) {

    54     int success = NSK_TRUE;

    55     int i;

    56 

    57     for (i = 0; i < PROPERTIES_COUNT; i++) {

    58         NSK_DISPLAY1("  property: %s\n", propDescList[i].name);

    59         NSK_DISPLAY1("     value: \"%s\"\n", propDescList[i].value);

    60         if (!NSK_JVMTI_VERIFY(

    61                 NSK_CPP_STUB3(SetSystemProperty, jvmti,

    62                                 propDescList[i].name, propDescList[i].value))) {

    63             success = NSK_FALSE;

    64         }

    65     }

    66 

    67     return success;

    68 }

    69 

    70 /* ============================================================================= */

    71 

    72 /** Agent library initialization. */

    73 #ifdef STATIC_BUILD

    74 JNIEXPORT jint JNICALL Agent_OnLoad_setsysprop003(JavaVM *jvm, char *options, void *reserved) {

    75     return Agent_Initialize(jvm, options, reserved);

    76 }

    77 JNIEXPORT jint JNICALL Agent_OnAttach_setsysprop003(JavaVM *jvm, char *options, void *reserved) {

    78     return Agent_Initialize(jvm, options, reserved);

    79 }

    80 JNIEXPORT jint JNI_OnLoad_setsysprop003(JavaVM *jvm, char *options, void *reserved) {

    81     return JNI_VERSION_1_8;

    82 }

    83 #endif

    84 jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {

    85     jvmtiEnv* jvmti = NULL;

    86 

    87     if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))

    88         return JNI_ERR;

    89 

    90     timeout = nsk_jvmti_getWaitTime() * 60 * 1000;

    91 

    92     if (!NSK_VERIFY((jvmti =

    93             nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL))

    94         return JNI_ERR;

    95 

    96     NSK_DISPLAY0(">>> Set new values for defined system properties in OnLoad phase\n");

    97     if (!setProperties(jvmti)) {

    98         nsk_jvmti_setFailStatus();

    99         return JNI_ERR;

   100     }

   101 

   102     return JNI_OK;

   103 }

   104 

   105 /* ============================================================================= */

   106 

   107 #ifdef __cplusplus

   108 }

   109 #endif