/*

 * Copyright 2008-2009 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 "jlong.h"

#include <stdlib.h>

#include <dlfcn.h>

#include <sys/types.h>

#include <port.h>       // Solaris 10

#include "sun_nio_fs_SolarisWatchService.h"

static void throwUnixException(JNIEnv* env, int errnum) {

    jobject x = JNU_NewObjectByName(env, "sun/nio/fs/UnixException",

        "(I)V", errnum);

    if (x != NULL) {

        (*env)->Throw(env, x);

    }

}

JNIEXPORT void JNICALL

Java_sun_nio_fs_SolarisWatchService_init(JNIEnv *env, jclass clazz)

{

}

JNIEXPORT jint JNICALL

Java_sun_nio_fs_SolarisWatchService_portCreate

    (JNIEnv* env, jclass clazz)

{

    int port = port_create();

    if (port == -1) {

        throwUnixException(env, errno);

    }

    return (jint)port;

}

JNIEXPORT void JNICALL

Java_sun_nio_fs_SolarisWatchService_portAssociate

    (JNIEnv* env, jclass clazz, jint port, jint source, jlong objectAddress, jint events)

{

    uintptr_t object = (uintptr_t)jlong_to_ptr(objectAddress);

    if (port_associate((int)port, (int)source, object, (int)events, NULL) == -1) {

        throwUnixException(env, errno);

    }

}

JNIEXPORT void JNICALL

Java_sun_nio_fs_SolarisWatchService_portDissociate

    (JNIEnv* env, jclass clazz, jint port, jint source, jlong objectAddress)

{

    uintptr_t object = (uintptr_t)jlong_to_ptr(objectAddress);

    if (port_dissociate((int)port, (int)source, object) == -1) {

        throwUnixException(env, errno);

    }

}

JNIEXPORT void JNICALL

Java_sun_nio_fs_SolarisWatchService_portSend(JNIEnv* env, jclass clazz,

    jint port, jint events)

{

    if (port_send((int)port, (int)events, NULL) == -1) {

        throwUnixException(env, errno);

    }

}

JNIEXPORT jint JNICALL

Java_sun_nio_fs_SolarisWatchService_portGetn(JNIEnv* env, jclass clazz,

    jint port, jlong arrayAddress, jint max)

{

    uint_t n = 1;

    port_event_t* list = (port_event_t*)jlong_to_ptr(arrayAddress);

    if (port_getn((int)port, list, (uint_t)max, &n, NULL) == -1) {

        throwUnixException(env, errno);

    }

    return (jint)n;

}