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src/java.base/solaris/classes/sun/nio/fs/SolarisWatchService.java

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rev 55657 : 8227587: Add internal privileged System.loadLibrary
Reviewed-by: rriggs
   1 /*
   2  * Copyright (c) 2008, 2013, 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 package sun.nio.fs;
  27 
  28 import java.nio.file.*;
  29 import java.security.AccessController;
  30 import java.security.PrivilegedAction;
  31 import java.util.*;
  32 import java.io.IOException;
  33 import jdk.internal.misc.Unsafe;
  34 
  35 import static sun.nio.fs.UnixConstants.*;
  36 
  37 /**
  38  * Solaris implementation of WatchService based on file events notification
  39  * facility.
  40  */
  41 
  42 class SolarisWatchService
  43     extends AbstractWatchService
  44 {
  45     private static final Unsafe unsafe = Unsafe.getUnsafe();
  46     private static int addressSize = unsafe.addressSize();
  47 
  48     private static int dependsArch(int value32, int value64) {
  49         return (addressSize == 4) ? value32 : value64;
  50     }


 800 
 801     // -- native methods --
 802 
 803     private static native void init();
 804 
 805     private static native int portCreate() throws UnixException;
 806 
 807     private static native void portAssociate(int port, int source, long object, int events)
 808         throws UnixException;
 809 
 810     private static native void portDissociate(int port, int source, long object)
 811         throws UnixException;
 812 
 813     private static native void portSend(int port, int events)
 814         throws UnixException;
 815 
 816     private static native int portGetn(int port, long address, int max)
 817         throws UnixException;
 818 
 819     static {
 820         AccessController.doPrivileged(new PrivilegedAction<Void>() {
 821             public Void run() {
 822                 System.loadLibrary("nio");
 823                 return null;
 824         }});
 825         init();
 826     }
 827 }
   1 /*
   2  * Copyright (c) 2008, 2019, 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 package sun.nio.fs;
  27 
  28 import java.nio.file.*;


  29 import java.util.*;
  30 import java.io.IOException;
  31 import jdk.internal.misc.Unsafe;
  32 
  33 import static sun.nio.fs.UnixConstants.*;
  34 
  35 /**
  36  * Solaris implementation of WatchService based on file events notification
  37  * facility.
  38  */
  39 
  40 class SolarisWatchService
  41     extends AbstractWatchService
  42 {
  43     private static final Unsafe unsafe = Unsafe.getUnsafe();
  44     private static int addressSize = unsafe.addressSize();
  45 
  46     private static int dependsArch(int value32, int value64) {
  47         return (addressSize == 4) ? value32 : value64;
  48     }


 798 
 799     // -- native methods --
 800 
 801     private static native void init();
 802 
 803     private static native int portCreate() throws UnixException;
 804 
 805     private static native void portAssociate(int port, int source, long object, int events)
 806         throws UnixException;
 807 
 808     private static native void portDissociate(int port, int source, long object)
 809         throws UnixException;
 810 
 811     private static native void portSend(int port, int events)
 812         throws UnixException;
 813 
 814     private static native int portGetn(int port, long address, int max)
 815         throws UnixException;
 816 
 817     static {
 818         jdk.internal.access.SharedSecrets.getJavaLangAccess().loadLibrary("nio");




 819         init();
 820     }
 821 }
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