test/hotspot/jtreg/vmTestbase/nsk/jvmti/scenarios/multienv/MA01/ma01t001/ma01t001a.c

/*
 * Copyright (c) 2004, 2018, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

#include <stdlib.h>
#include <string.h>
#include "jni_tools.h"
#include "agent_common.h"
#include "jvmti_tools.h"

#define PASSED 0
#define STATUS_FAILED 2

#ifdef __cplusplus
extern "C" {
#endif

/* ========================================================================== */

/* scaffold objects */
static jlong timeout = 0;

/* expected option */
static const char* EXPECTED_OPTION = "opt2";

/* ========================================================================== */

/** Agent algorithm. */
static void JNICALL
agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
    if (!nsk_jvmti_waitForSync(timeout))
        return;

    NSK_DISPLAY0("agentProc 2\n");

    if (!nsk_jvmti_resumeSync())
        return;
}

/* ========================================================================== */

/** Agent library initialization. */
#ifdef STATIC_BUILD
JNIEXPORT jint JNICALL Agent_OnLoad_ma01t001a(JavaVM *jvm, char *options, void *reserved) {
    return Agent_Initialize(jvm, options, reserved);
}
JNIEXPORT jint JNICALL Agent_OnAttach_ma01t001a(JavaVM *jvm, char *options, void *reserved) {
    return Agent_Initialize(jvm, options, reserved);
}
JNIEXPORT jint JNI_OnLoad_ma01t001a(JavaVM *jvm, char *options, void *reserved) {
    return JNI_VERSION_1_8;
}
#endif
jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
    jvmtiEnv* jvmti = NULL;
    jvmtiEventCallbacks callbacks;
    const char* name = NULL;
    int found = NSK_FALSE;
    int i, count;

    if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
        return JNI_ERR;

    NSK_DISPLAY1("Agent_OnLoad 2: \"%s\"\n", options);

    count = nsk_jvmti_getOptionsCount();
    for (i = 0; i < count; i++) {
        name = nsk_jvmti_getOptionName(i);
        if (strcmp(name, EXPECTED_OPTION) == 0) {
            found = NSK_TRUE;
            break;
        }
    }

    if (!found) {
        NSK_COMPLAIN1("Expected option not found: \"%s\"\n", EXPECTED_OPTION);
        nsk_jvmti_setFailStatus();
    }

    timeout = nsk_jvmti_getWaitTime() * 60 * 1000;

    if (!NSK_VERIFY((jvmti =
            nsk_jvmti_createJVMTIEnv(jvm, reserved)) != NULL))
        return JNI_ERR;

    if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL)))
        return JNI_ERR;

    memset(&callbacks, 0, sizeof(callbacks));
    if (!NSK_VERIFY(nsk_jvmti_init_MA(&callbacks)))
        return JNI_ERR;

    return JNI_OK;
}

/* ========================================================================== */

#ifdef __cplusplus
}
#endif