1 /* 2 * Copyright (c) 2008, 2009, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 #include "jni.h" 27 #include "jni_util.h" 28 #include "jvm.h" 29 #include "jlong.h" 30 #include "nio_util.h" 31 32 #include "sun_nio_ch_EPollPort.h" 33 34 #include <unistd.h> 35 #include <sys/types.h> 36 #include <sys/socket.h> 37 38 JNIEXPORT void JNICALL 39 Java_sun_nio_ch_EPollPort_socketpair(JNIEnv* env, jclass clazz, jintArray sv) { 40 int sp[2]; 41 if (socketpair(PF_UNIX, SOCK_STREAM, 0, sp) == -1) { 42 JNU_ThrowIOExceptionWithLastError(env, "socketpair failed"); 43 } else { 44 jint res[2]; 45 res[0] = (jint)sp[0]; 46 res[1] = (jint)sp[1]; 47 (*env)->SetIntArrayRegion(env, sv, 0, 2, &res[0]); 48 } 49 } 50 51 JNIEXPORT void JNICALL 52 Java_sun_nio_ch_EPollPort_interrupt(JNIEnv *env, jclass c, jint fd) { 53 int res; 54 int buf[1]; 55 buf[0] = 1; 56 RESTARTABLE(write(fd, buf, 1), res); 57 if (res < 0) { 58 JNU_ThrowIOExceptionWithLastError(env, "write failed"); 59 } 60 } 61 62 JNIEXPORT void JNICALL 63 Java_sun_nio_ch_EPollPort_drain1(JNIEnv *env, jclass cl, jint fd) { 64 int res; 65 char buf[1]; 66 RESTARTABLE(read(fd, buf, 1), res); 67 if (res < 0) { 68 JNU_ThrowIOExceptionWithLastError(env, "drain1 failed"); 69 } 70 } 71 72 JNIEXPORT void JNICALL 73 Java_sun_nio_ch_EPollPort_close0(JNIEnv *env, jclass c, jint fd) { 74 int res; 75 RESTARTABLE(close(fd), res); 76 } 77
