test/hotspot/jtreg/vmTestbase/nsk/jvmti/GetCurrentContendedMonitor/contmon001/contmon001.cpp
8214149: Move out assignments when not using NSK*VERIFY macros
Summary: Move out the assignments from ifs
Reviewed-by: sspitsyn, cjplummer
/*
* Copyright (c) 2003, 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 <stdio.h>
#include <string.h>
#include "jvmti.h"
#include "agent_common.h"
#include "JVMTITools.h"
extern "C" {
#define PASSED 0
#define STATUS_FAILED 2
static jvmtiEnv *jvmti = NULL;
static jvmtiCapabilities caps;
static jint result = PASSED;
#ifdef STATIC_BUILD
JNIEXPORT jint JNICALL Agent_OnLoad_contmon001(JavaVM *jvm, char *options, void *reserved) {
return Agent_Initialize(jvm, options, reserved);
}
JNIEXPORT jint JNICALL Agent_OnAttach_contmon001(JavaVM *jvm, char *options, void *reserved) {
return Agent_Initialize(jvm, options, reserved);
}
JNIEXPORT jint JNI_OnLoad_contmon001(JavaVM *jvm, char *options, void *reserved) {
return JNI_VERSION_1_8;
}
#endif
jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
jvmtiError err;
jint res;
res = jvm->GetEnv((void **) &jvmti, JVMTI_VERSION_1_1);
if (res != JNI_OK || jvmti == NULL) {
printf("Wrong result of a valid call to GetEnv !\n");
return JNI_ERR;
}
err = jvmti->GetCapabilities(&caps);
if (err != JVMTI_ERROR_NONE) {
printf("(GetCapabilities) unexpected error: %s (%d)\n",
TranslateError(err), err);
return JNI_ERR;
}
if (!caps.can_get_current_contended_monitor) {
/* GetCurrentContendedMonitor is not currently available, but
* is it potentially available?
*/
err = jvmti->GetPotentialCapabilities(&caps);
if (err != JVMTI_ERROR_NONE) {
printf("(GetPotentialCapabilities) unexpected error: %s (%d)\n",
TranslateError(err), err);
return JNI_ERR;
}
if (caps.can_get_current_contended_monitor) {
/* Yes, GetCurrentContendedMonitor is potentially available.
* Let's turn it on!
*/
memset(&caps, 0, sizeof(jvmtiCapabilities));
caps.can_get_current_contended_monitor = 1;
err = jvmti->AddCapabilities(&caps);
if (err != JVMTI_ERROR_NONE) {
printf("(AddCapabilities) unexpected error: %s (%d)\n",
TranslateError(err), err);
return JNI_ERR;
}
} else {
printf("Warning: GetCurrentContendedMonitor is not implemented\n");
}
}
return JNI_OK;
}
JNIEXPORT void JNICALL Java_nsk_jvmti_GetCurrentContendedMonitor_contmon001_checkMon(JNIEnv *env, jclass cls,
jint point, jthread thr, jobject lock) {
jvmtiError err;
jobject mon = NULL;
err = jvmti->GetCurrentContendedMonitor(thr, &mon);
if (err == JVMTI_ERROR_MUST_POSSESS_CAPABILITY &&
!caps.can_get_current_contended_monitor) {
/* It's OK */
} else if (err == JVMTI_ERROR_THREAD_NOT_ALIVE && point == 5) {
return; /* Ok, it must be a dead thread */
} else if (err != JVMTI_ERROR_NONE) {
printf("(GetCurrentContendedMonitor#%d) unexpected error: %s (%d)\n",
point, TranslateError(err), err);
result = STATUS_FAILED;
} else if (env->IsSameObject(lock, mon) == JNI_FALSE) {
printf("(IsSameObject#%d) unexpected monitor object: 0x%p\n",
point, mon);
result = STATUS_FAILED;
}
}
JNIEXPORT jint JNICALL Java_nsk_jvmti_GetCurrentContendedMonitor_contmon001_getRes(JNIEnv *env, jclass cls) {
return result;
}
}