--- a/src/java.base/macosx/native/libnio/ch/KQueuePort.c	Thu Mar 22 14:10:30 2018 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,76 +0,0 @@
-/*
- * Copyright (c) 2012, 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.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.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_KQueuePort.h"
-
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-
-JNIEXPORT void JNICALL
-Java_sun_nio_ch_KQueuePort_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_KQueuePort_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_KQueuePort_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_KQueuePort_close0(JNIEnv *env, jclass c, jint fd) {
-    int res;
-    RESTARTABLE(close(fd), res);
-}