/*

 * 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 "nio_util.h"

#include "sun_nio_ch_EPollPort.h"

#include <unistd.h>

#include <sys/types.h>

#include <sys/socket.h>

JNIEXPORT void JNICALL

Java_sun_nio_ch_EPollPort_socketpair(JNIEnv* env, jclass clazz, jintArray sv) {

    int sp[2];

    if (socketpair(PF_UNIX, SOCK_STREAM, 0, sp) == -1) {

        JNU_ThrowIOExceptionWithLastError(env, "socketpair failed");

    } else {

        jint res[2];

        res[0] = (jint)sp[0];

        res[1] = (jint)sp[1];

        (*env)->SetIntArrayRegion(env, sv, 0, 2, &res[0]);

    }

}

JNIEXPORT void JNICALL

Java_sun_nio_ch_EPollPort_interrupt(JNIEnv *env, jclass c, jint fd) {

    int res;

    int buf[1];

    buf[0] = 1;

    RESTARTABLE(write(fd, buf, 1), res);

    if (res < 0) {

        JNU_ThrowIOExceptionWithLastError(env, "write failed");

    }

}

JNIEXPORT void JNICALL

Java_sun_nio_ch_EPollPort_drain1(JNIEnv *env, jclass cl, jint fd) {

    int res;

    char buf[1];

    RESTARTABLE(read(fd, buf, 1), res);

    if (res < 0) {

        JNU_ThrowIOExceptionWithLastError(env, "drain1 failed");

    }

}

JNIEXPORT void JNICALL

Java_sun_nio_ch_EPollPort_close0(JNIEnv *env, jclass c, jint fd) {

    int res;

    RESTARTABLE(close(fd), res);

}