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#include
#include
#include
#include "com_sun_messaging_jmq_util_Rlimit.h"
/*
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*
* Copyright (c) 2000-2010 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
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* If you wish your version of this file to be governed by only the CDDL or
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* elects to include this software in this distribution under the [CDDL or GPL
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* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
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*/
/*
* @(#)com_sun_messaging_jmq_util_Rlimit.c 1.3 07/02/07
*/
/*
* Class: Rlimit
* Method: nativeGetRlimit
*/
JNIEXPORT jobject JNICALL Java_com_sun_messaging_jmq_util_Rlimit_nativeGetRlimit (JNIEnv *env, jobject obj, jint resource ) {
int rcode;
struct rlimit rl;
jclass limitClass = NULL;
jobject limitObject = NULL;
jfieldID id = NULL;;
/*
* XXX REVISIT 3/19/02 dipol: 'resource' is defined by the Rlimit class
* and uses the Solaris values. Other versions of Unix may use different
* values (and Linux does). If we ever port this to other versions of
* Unix then we must map the passed resource value to the appropriate
* native value.
*/
rcode = getrlimit((int)resource, &rl);
if (rcode != 0) {
/* should throw an exception */
return NULL;
}
limitClass =
(*env)->FindClass(env, "com/sun/messaging/jmq/util/Rlimit$Limits");
if (limitClass != NULL) {
limitObject = (*env)->AllocObject(env, limitClass);
} else {
return NULL;
}
if (limitObject != NULL) {
id = (*env)->GetFieldID(env, limitClass, "current", "J");
if (id != NULL) {
if (rl.rlim_cur == RLIM_INFINITY) {
(*env)->SetLongField(env, limitObject, id,
(jlong)com_sun_messaging_jmq_util_Rlimit_RLIM_INFINITY);
} else {
(*env)->SetLongField(env, limitObject, id,
(jlong)(rl.rlim_cur));
}
}
id = (*env)->GetFieldID(env, limitClass, "maximum", "J");
if (id != NULL) {
if (rl.rlim_max == RLIM_INFINITY) {
(*env)->SetLongField(env, limitObject, id,
(jlong)com_sun_messaging_jmq_util_Rlimit_RLIM_INFINITY);
} else {
(*env)->SetLongField(env, limitObject, id,
(jlong)(rl.rlim_max));
}
}
}
return limitObject;
}