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 31 #include <stdlib.h> 32 #include <dlfcn.h> 33 #include <sys/types.h> 34 #include <port.h> // Solaris 10 35 36 #include "sun_nio_fs_SolarisWatchService.h" 37 38 static void throwUnixException(JNIEnv* env, int errnum) { 39 jobject x = JNU_NewObjectByName(env, "sun/nio/fs/UnixException", 40 "(I)V", errnum); 41 if (x != NULL) { 42 (*env)->Throw(env, x); 43 } 44 } 45 46 JNIEXPORT void JNICALL 47 Java_sun_nio_fs_SolarisWatchService_init(JNIEnv *env, jclass clazz) 48 { 49 } 50 51 JNIEXPORT jint JNICALL 52 Java_sun_nio_fs_SolarisWatchService_portCreate 53 (JNIEnv* env, jclass clazz) 54 { 55 int port = port_create(); 56 if (port == -1) { 57 throwUnixException(env, errno); 58 } 59 return (jint)port; 60 } 61 62 JNIEXPORT void JNICALL 63 Java_sun_nio_fs_SolarisWatchService_portAssociate 64 (JNIEnv* env, jclass clazz, jint port, jint source, jlong objectAddress, jint events) 65 { 66 uintptr_t object = (uintptr_t)jlong_to_ptr(objectAddress); 67 68 if (port_associate((int)port, (int)source, object, (int)events, NULL) == -1) { 69 throwUnixException(env, errno); 70 } 71 } 72 73 JNIEXPORT void JNICALL 74 Java_sun_nio_fs_SolarisWatchService_portDissociate 75 (JNIEnv* env, jclass clazz, jint port, jint source, jlong objectAddress) 76 { 77 uintptr_t object = (uintptr_t)jlong_to_ptr(objectAddress); 78 79 if (port_dissociate((int)port, (int)source, object) == -1) { 80 throwUnixException(env, errno); 81 } 82 } 83 84 JNIEXPORT void JNICALL 85 Java_sun_nio_fs_SolarisWatchService_portSend(JNIEnv* env, jclass clazz, 86 jint port, jint events) 87 { 88 if (port_send((int)port, (int)events, NULL) == -1) { 89 throwUnixException(env, errno); 90 } 91 } 92 93 JNIEXPORT jint JNICALL 94 Java_sun_nio_fs_SolarisWatchService_portGetn(JNIEnv* env, jclass clazz, 95 jint port, jlong arrayAddress, jint max) 96 { 97 uint_t n = 1; 98 port_event_t* list = (port_event_t*)jlong_to_ptr(arrayAddress); 99 100 if (port_getn((int)port, list, (uint_t)max, &n, NULL) == -1) { 101 throwUnixException(env, errno); 102 } 103 return (jint)n; 104 }