1 /* |
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2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 #include "jni.h" |
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27 #include "jni_util.h" |
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28 #include "jvm.h" |
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29 #include "jlong.h" |
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30 #include "nio_util.h" |
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31 |
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32 #include "sun_nio_ch_KQueuePort.h" |
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33 |
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34 #include <unistd.h> |
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35 #include <sys/types.h> |
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36 #include <sys/socket.h> |
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37 |
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38 JNIEXPORT void JNICALL |
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39 Java_sun_nio_ch_KQueuePort_socketpair(JNIEnv* env, jclass clazz, jintArray sv) { |
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40 int sp[2]; |
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41 if (socketpair(PF_UNIX, SOCK_STREAM, 0, sp) == -1) { |
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42 JNU_ThrowIOExceptionWithLastError(env, "socketpair failed"); |
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43 } else { |
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44 jint res[2]; |
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45 res[0] = (jint)sp[0]; |
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46 res[1] = (jint)sp[1]; |
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47 (*env)->SetIntArrayRegion(env, sv, 0, 2, &res[0]); |
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48 } |
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49 } |
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50 |
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51 JNIEXPORT void JNICALL |
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52 Java_sun_nio_ch_KQueuePort_interrupt(JNIEnv *env, jclass c, jint fd) { |
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53 int res; |
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54 int buf[1]; |
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55 buf[0] = 1; |
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56 RESTARTABLE(write(fd, buf, 1), res); |
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57 if (res < 0) { |
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58 JNU_ThrowIOExceptionWithLastError(env, "write failed"); |
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59 } |
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60 } |
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61 |
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62 JNIEXPORT void JNICALL |
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63 Java_sun_nio_ch_KQueuePort_drain1(JNIEnv *env, jclass cl, jint fd) { |
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64 int res; |
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65 char buf[1]; |
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66 RESTARTABLE(read(fd, buf, 1), res); |
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67 if (res < 0) { |
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68 JNU_ThrowIOExceptionWithLastError(env, "drain1 failed"); |
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69 } |
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70 } |
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71 |
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72 JNIEXPORT void JNICALL |
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73 Java_sun_nio_ch_KQueuePort_close0(JNIEnv *env, jclass c, jint fd) { |
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74 int res; |
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75 RESTARTABLE(close(fd), res); |
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76 } |
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