/*

 * Copyright 2005 Sun Microsystems, Inc.  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.  Sun designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Sun in the LICENSE file that accompanied this code.

 *

 * 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

#include "jni.h"

#include "jni_util.h"

#include "jvm.h"

#include "nio.h"

#include "nio_util.h"

#include "sun_nio_ch_FileKey.h"

static jfieldID key_st_dev;    /* id for FileKey.st_dev */

static jfieldID key_st_ino;    /* id for FileKey.st_ino */

JNIEXPORT void JNICALL

Java_sun_nio_ch_FileKey_initIDs(JNIEnv *env, jclass clazz)

{

    key_st_dev = (*env)->GetFieldID(env, clazz, "st_dev", "J");

    key_st_ino = (*env)->GetFieldID(env, clazz, "st_ino", "J");

}

JNIEXPORT void JNICALL

Java_sun_nio_ch_FileKey_init(JNIEnv *env, jobject this, jobject fdo)

{

    struct stat64 fbuf;

    int res;

    RESTARTABLE(fstat64(fdval(env, fdo), &fbuf), res);

    if (res < 0) {

        JNU_ThrowIOExceptionWithLastError(env, "fstat64 failed");

    } else {

        (*env)->SetLongField(env, this, key_st_dev, (jlong)fbuf.st_dev);

        (*env)->SetLongField(env, this, key_st_ino, (jlong)fbuf.st_ino);

    }

}