| /* |
| * Copyright (c) 2001, 2018, 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 <poll.h> |
| |
| #include "jni.h" |
| #include "jni_util.h" |
| #include "jvm.h" |
| #include "jlong.h" |
| #include "nio.h" |
| #include "sun_nio_ch_PollSelectorImpl.h" |
| |
| JNIEXPORT jint JNICALL |
| Java_sun_nio_ch_PollSelectorImpl_poll(JNIEnv *env, jclass clazz, |
| jlong address, jint numfds, |
| jint timeout) |
| { |
| struct pollfd *a; |
| int res; |
| |
| a = (struct pollfd *) jlong_to_ptr(address); |
| res = poll(a, numfds, timeout); |
| if (res < 0) { |
| if (errno == EINTR) { |
| return IOS_INTERRUPTED; |
| } else { |
| JNU_ThrowIOExceptionWithLastError(env, "poll failed"); |
| return IOS_THROWN; |
| } |
| } |
| return (jint) res; |
| } |
| |
