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From mt...@apache.org
Subject svn commit: r1091867 - in /commons/sandbox/runtime/trunk/src/main: java/org/apache/commons/runtime/ java/org/apache/commons/runtime/exception/ java/org/apache/commons/runtime/platform/linux/ java/org/apache/commons/runtime/platform/windows/ native/shared/
Date Wed, 13 Apr 2011 18:20:02 GMT
Author: mturk
Date: Wed Apr 13 18:20:01 2011
New Revision: 1091867

URL: http://svn.apache.org/viewvc?rev=1091867&view=rev
Log:
Add Status and few exception classes

Added:
    commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/Status.java   (with
props)
    commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/exception/ClosedDescriptorException.java
  (with props)
    commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/exception/InvalidDescriptorException.java
  (with props)
Modified:
    commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/PosixSemaphore.java
    commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/exception/AlreadyExistsException.java
    commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/exception/NoSuchObjectException.java
    commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/exception/UnsupportedOperatingSystemException.java
    commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/platform/linux/SELinux.java
    commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/platform/windows/RegistryKey.java
    commons/sandbox/runtime/trunk/src/main/native/shared/error.c

Modified: commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/PosixSemaphore.java
URL: http://svn.apache.org/viewvc/commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/PosixSemaphore.java?rev=1091867&r1=1091866&r2=1091867&view=diff
==============================================================================
--- commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/PosixSemaphore.java
(original)
+++ commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/PosixSemaphore.java
Wed Apr 13 18:20:01 2011
@@ -18,6 +18,7 @@ package org.apache.commons.runtime;
 import java.io.IOException;
 import org.apache.commons.runtime.exception.AlreadyExistsException;
 import org.apache.commons.runtime.exception.NoSuchObjectException;
+import org.apache.commons.runtime.exception.ClosedDescriptorException;
 import org.apache.commons.runtime.exception.SystemException;
 
 /**
@@ -53,6 +54,149 @@ final class PosixSemaphore extends Semap
     private static native int  release0(long sema);
 
     // OS semaphore handle (sem_t)
-    private long sd;
+    private long    sd;
+    private String  name;
+    private boolean owner;
+
+    public PosixSemaphore(final String name, int value)
+        throws IllegalAccessException,
+               IllegalArgumentException,
+               AlreadyExistsException,
+               SystemException
+    {
+        if (name == null)
+            throw new NullPointerException();
+        this.name = "/" + name.replace('/', '_');
+
+        while (true) {
+            try {
+                sd = create0(this.name, value);
+                break;
+            }
+            catch (IllegalArgumentException e) {
+                try {
+                    this.name = this.name.substring(0, 13);
+                }
+                catch (IndexOutOfBoundsException x) {
+                    throw e;
+                }
+            }
+        }
+        owner = true;
+    }
+
+    public PosixSemaphore(final String name)
+        throws IllegalAccessException,
+               IllegalArgumentException,
+               NoSuchObjectException,
+               SystemException
+    {
+        if (name == null)
+            throw new NullPointerException();
+        this.name = "/" + name.replace('/', '_');
+
+        sd = open0(this.name);
+        owner = false;
+    }
+
+    public void acquire()
+        throws SystemException
+    {
+        if (sd == 0L)
+            throw new ClosedDescriptorException();
+        int rc = wait0(sd);
+        if (rc != 0)
+            throw new SystemException(Status.describe(rc));
+    }
+
+    public boolean tryAcquire()
+        throws SystemException
+    {
+        if (sd == 0L)
+            throw new ClosedDescriptorException();
+        int rc = try0(sd);
+        if (rc == 0)
+            return true;
+        if (Status.IS_EBUSY(rc))
+            return false;
+        throw new SystemException(Status.describe(rc));        
+    }
+
+    public void release()
+        throws SystemException
+    {
+        if (sd == 0L)
+            throw new ClosedDescriptorException();
+        int rc = release0(sd);
+        if (rc != 0)
+            throw new SystemException(Status.describe(rc));
+    }
+
+    public void clear()
+        throws SystemException
+    {
+        boolean once = false;
+        
+        if (sd == 0L)
+            throw new ClosedDescriptorException();
+        while (true) {
+            int rc = try0(sd);
+            if (rc == 0) {
+                once = true;
+            }
+            else {
+                if (once) {
+                    // We already obtained a lock once.
+                    break;
+                }
+                else {
+                    // Not an owner
+                    throw new SystemException(Status.describe(rc));
+                }
+            }
+        }        
+    }
+
+    public void close()
+        throws SystemException
+    {
+        int rc;
+        if (sd == 0L)
+            throw new ClosedDescriptorException();
+        if (owner) {
+            // Unlink if we are the semaphore owner.
+            rc = unlink0(name);
+            if (rc != 0)
+                throw new SystemException(Status.describe(rc));
+        }
+        rc = close0(sd);
+        if (rc != 0)
+            throw new SystemException(Status.describe(rc));
+        sd = 0L;
+    }
+    
+    public String getCanonicalName()
+    {
+        return name;
+    }
+
+    /**
+     * Called by the garbage collector when the object is destroyed.
+     * The class will free internal resources allocated by the Operating system.
+     * @see Object#finalize()
+     * @throws Throwable the {@code Exception} raised by this method.
+     */
+    @Override
+    protected final void finalize()
+        throws Throwable
+    {
+        if (owner) {
+            // Unlink if we are the semaphore owner.
+            unlink0(name);
+        }
+        if (sd != 0L) {
+            close0(sd);
+        }
+    }
 
 }

Added: commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/Status.java
URL: http://svn.apache.org/viewvc/commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/Status.java?rev=1091867&view=auto
==============================================================================
--- commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/Status.java (added)
+++ commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/Status.java Wed
Apr 13 18:20:01 2011
@@ -0,0 +1,157 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.commons.runtime;
+
+/**
+ * Status codes.
+ *
+ * @since Runtime 1.0
+ *
+ */
+public class Status
+{
+
+    private Status()
+    {
+        // No class instance
+    }
+
+    /* Hard coded definitions for acr/error.h
+     */
+    private static final int OS_START_ERROR         = 200000;
+    private static final int OS_START_STATUS        = 300000;
+    /**
+     * ACR_OS_START_CANONERR is where ACR versions of errno values are defined
+     *     on systems which don't have the corresponding errno.
+     */
+    private static final int OS_START_CANONERR      = 500000;
+    private static final int OS_LAST_CANONERR       = 500091;
+    /**
+     * ACR_OS_ERRSPACE_SIZE is the maximum number of errors you can fit
+     *    into one of the error/status ranges below -- except for
+     *    ACR_OS_START_USERERR, which see.
+     */
+    private static final int OS_ERRSPACE_SIZE       =  50000;
+
+    /** Status is OK. */
+    public static final int OK                      = 0;
+    /** Unable to perform a stat on the file. */
+    public static final int ENOSTAT                 = OS_START_ERROR + 1;
+    /** Pool from which to allocate the memory was not provided. */
+    public static final int ENOPOOL                 = OS_START_ERROR + 2;
+    /* empty slot: +3 */
+    /** Date is invalid */
+    public static final int EBADDATE                = OS_START_ERROR + 4;
+    /** Socket is invalid */
+    public static final int EINVALSOCK              = OS_START_ERROR + 5;
+    /** Invalid process structure */
+    public static final int ENOPROC                 = OS_START_ERROR + 6;
+    /** Invalid time structure */
+    public static final int ENOTIME                 = OS_START_ERROR + 7;
+    /** Invalid directory structure */
+    public static final int ENODIR                  = OS_START_ERROR + 8;
+    /** Invalid lock structure */
+    public static final int ENOLOCK                 = OS_START_ERROR + 9;
+    /** Invalid poll structure */
+    public static final int ENOPOLL                 = OS_START_ERROR + 10;
+    /** Given data is not a socket */
+    public static final int ENOSOCKET               = OS_START_ERROR + 11;
+    /** Given data is not a thread */
+    public static final int ENOTHREAD               = OS_START_ERROR + 12;
+    /** Given data is not a thread key */
+    public static final int ENOTHDKEY               = OS_START_ERROR + 13;
+    /* General failure <em>specific information not available</em>. */
+    public static final int EGENERAL                = OS_START_ERROR + 14;
+    /** The specified IP address is invalid */
+    public static final int EBADIP                  = OS_START_ERROR + 15;
+    /** The specified netmask is invalid */
+    public static final int EBADMASK                = OS_START_ERROR + 16;
+    /** No more shared memory available */
+    public static final int ENOSHMAVAIL             = OS_START_ERROR + 17;
+    /** Unable to open the {@code dso} object. */
+    /* empty slot: +18 */
+    public static final int EDSOOPEN                = OS_START_ERROR + 19;
+    /** Could not find the requested symbol */
+    public static final int ESYMNOTFOUND            = OS_START_ERROR + 26;
+    /** Not enough entropy to continue */
+    public static final int ENOTENOUGHENTROPY       = OS_START_ERROR + 28;
+
+    /* ACR private errors added to the std APR errors */
+    public static final int EISNULL                 = OS_START_ERROR + 100;
+    public static final int EINVALSIZ               = OS_START_ERROR + 101;
+    public static final int ERDONLY                 = OS_START_ERROR + 102;
+    public static final int ECLASSNOTFOUND          = OS_START_ERROR + 103;
+    public static final int ENOJNIENV               = OS_START_ERROR + 104;
+
+    public static final int INCHILD                 = OS_START_STATUS +  1;
+    public static final int INPARENT                = OS_START_STATUS +  2;
+    public static final int DETACH                  = OS_START_STATUS +  3;
+    public static final int NOTDETACH               = OS_START_STATUS +  4;
+    public static final int CHILD_DONE              = OS_START_STATUS +  5;
+    public static final int CHILD_NOTDONE           = OS_START_STATUS +  6;
+    public static final int TIMEUP                  = OS_START_STATUS +  7;
+    public static final int INCOMPLETE              = OS_START_STATUS +  8;
+    /* empty slot: +9 */
+    /* empty slot: +10 */
+    /* empty slot: +11 */
+    public static final int BADCH                   = OS_START_STATUS + 12;
+    public static final int BADARG                  = OS_START_STATUS + 13;
+    public static final int EOF                     = OS_START_STATUS + 14;
+    public static final int NOTFOUND                = OS_START_STATUS + 15;
+    /* empty slot: +16 */
+    /* empty slot: +17 */
+    /* empty slot: +18 */
+    public static final int ANONYMOUS               = OS_START_STATUS + 19;
+    public static final int FILEBASED               = OS_START_STATUS + 20;
+    public static final int KEYBASED                = OS_START_STATUS + 21;
+    public static final int EINIT                   = OS_START_STATUS + 22;
+    public static final int ENOTIMPL                = OS_START_STATUS + 23;
+    public static final int EMISMATCH               = OS_START_STATUS + 24;
+
+    public static boolean IS_STATUS(int s)
+    {
+        return ((s > OS_START_STATUS) && (s < OS_START_STATUS + OS_ERRSPACE_SIZE));
+    }
+
+    private static native boolean is0(int what, int err);
+
+    /** Permission denied */
+    public static boolean IS_EACCES(int s)
+    {
+        return is0(0, s);
+    }
+
+    /** File exists */
+    public static boolean IS_EEXIST(int s)
+    {
+        return is0(1, s);
+    }
+
+    /** File does not exists */
+    public static boolean IS_ENOENT(int s)
+    {
+        return is0(2, s);
+    }
+
+    /** Resource is busy */
+    public static boolean IS_EBUSY(int s)
+    {
+        return is0(3, s);
+    }
+
+    public static native String describe(int s);
+}

Propchange: commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/Status.java
------------------------------------------------------------------------------
    svn:eol-style = native

Modified: commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/exception/AlreadyExistsException.java
URL: http://svn.apache.org/viewvc/commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/exception/AlreadyExistsException.java?rev=1091867&r1=1091866&r2=1091867&view=diff
==============================================================================
--- commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/exception/AlreadyExistsException.java
(original)
+++ commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/exception/AlreadyExistsException.java
Wed Apr 13 18:20:01 2011
@@ -24,7 +24,7 @@ package org.apache.commons.runtime.excep
  * @since Runtime 1.0
  */
 
-public class AlreadyExistsException extends RuntimeException
+public class AlreadyExistsException extends SystemException
 {
 
     public AlreadyExistsException()

Added: commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/exception/ClosedDescriptorException.java
URL: http://svn.apache.org/viewvc/commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/exception/ClosedDescriptorException.java?rev=1091867&view=auto
==============================================================================
--- commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/exception/ClosedDescriptorException.java
(added)
+++ commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/exception/ClosedDescriptorException.java
Wed Apr 13 18:20:01 2011
@@ -0,0 +1,38 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.commons.runtime.exception;
+import java.io.IOException;
+
+/**
+ * ClosedDescriptorException thrown when an attempt is made to
+ * invoke an operation on closed operating system {@code descriptor}.
+ *
+ * @since Runtime 1.0
+ */
+public class ClosedDescriptorException extends SystemException
+{
+
+    public ClosedDescriptorException()
+    {
+        super();
+    }
+
+    public ClosedDescriptorException(String msg)
+    {
+        super(msg);
+    }
+}

Propchange: commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/exception/ClosedDescriptorException.java
------------------------------------------------------------------------------
    svn:eol-style = native

Added: commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/exception/InvalidDescriptorException.java
URL: http://svn.apache.org/viewvc/commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/exception/InvalidDescriptorException.java?rev=1091867&view=auto
==============================================================================
--- commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/exception/InvalidDescriptorException.java
(added)
+++ commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/exception/InvalidDescriptorException.java
Wed Apr 13 18:20:01 2011
@@ -0,0 +1,38 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.commons.runtime.exception;
+import java.io.IOException;
+
+/**
+ * InvalidDescriptorException thrown when an attempt is made to
+ * invoke an operation on invalid {@code descriptor}.
+ *
+ * @since Runtime 1.0
+ */
+public class InvalidDescriptorException extends SystemException
+{
+
+    public InvalidDescriptorException()
+    {
+        super();
+    }
+
+    public InvalidDescriptorException(String msg)
+    {
+        super(msg);
+    }
+}

Propchange: commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/exception/InvalidDescriptorException.java
------------------------------------------------------------------------------
    svn:eol-style = native

Modified: commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/exception/NoSuchObjectException.java
URL: http://svn.apache.org/viewvc/commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/exception/NoSuchObjectException.java?rev=1091867&r1=1091866&r2=1091867&view=diff
==============================================================================
--- commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/exception/NoSuchObjectException.java
(original)
+++ commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/exception/NoSuchObjectException.java
Wed Apr 13 18:20:01 2011
@@ -24,7 +24,7 @@ package org.apache.commons.runtime.excep
  * @since Runtime 1.0
  */
 
-public class NoSuchObjectException extends RuntimeException
+public class NoSuchObjectException extends SystemException
 {
 
     public NoSuchObjectException()

Modified: commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/exception/UnsupportedOperatingSystemException.java
URL: http://svn.apache.org/viewvc/commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/exception/UnsupportedOperatingSystemException.java?rev=1091867&r1=1091866&r2=1091867&view=diff
==============================================================================
--- commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/exception/UnsupportedOperatingSystemException.java
(original)
+++ commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/exception/UnsupportedOperatingSystemException.java
Wed Apr 13 18:20:01 2011
@@ -22,7 +22,7 @@ package org.apache.commons.runtime.excep
  *
  */
 
-public class UnsupportedOperatingSystemException extends RuntimeException
+public class UnsupportedOperatingSystemException extends SystemException
 {
 
     public UnsupportedOperatingSystemException()

Modified: commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/platform/linux/SELinux.java
URL: http://svn.apache.org/viewvc/commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/platform/linux/SELinux.java?rev=1091867&r1=1091866&r2=1091867&view=diff
==============================================================================
--- commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/platform/linux/SELinux.java
(original)
+++ commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/platform/linux/SELinux.java
Wed Apr 13 18:20:01 2011
@@ -16,7 +16,7 @@
 
 package org.apache.commons.runtime.platform.linux;
 
-import org.apache.commons.runtime.exception.OperatingSystemException;
+import org.apache.commons.runtime.exception.SystemException;
 import org.apache.commons.runtime.exception.UnsupportedOperatingSystemException;
 
 /**
@@ -36,7 +36,7 @@ public class SELinux
      * @param type OS type to test.
      */
     private static native boolean   enabled0()
-        throws OperatingSystemException;
+        throws SystemException;
 
     /**
      * Check if we are running on {@code SELinux} kernel.
@@ -47,7 +47,7 @@ public class SELinux
      *         operating system.
      */
     public static boolean  isEnabled()
-        throws OperatingSystemException, UnsupportedOperatingSystemException
+        throws SystemException, UnsupportedOperatingSystemException
     {
         try {
             return enabled0();

Modified: commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/platform/windows/RegistryKey.java
URL: http://svn.apache.org/viewvc/commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/platform/windows/RegistryKey.java?rev=1091867&r1=1091866&r2=1091867&view=diff
==============================================================================
--- commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/platform/windows/RegistryKey.java
(original)
+++ commons/sandbox/runtime/trunk/src/main/java/org/apache/commons/runtime/platform/windows/RegistryKey.java
Wed Apr 13 18:20:01 2011
@@ -21,7 +21,7 @@ import java.io.Flushable;
 import java.io.IOException;
 import java.io.SyncFailedException;
 import java.util.EnumSet;
-import org.apache.commons.runtime.io.Status;
+import org.apache.commons.runtime.Status;
 
 /**
  * Registry key class.

Modified: commons/sandbox/runtime/trunk/src/main/native/shared/error.c
URL: http://svn.apache.org/viewvc/commons/sandbox/runtime/trunk/src/main/native/shared/error.c?rev=1091867&r1=1091866&r2=1091867&view=diff
==============================================================================
--- commons/sandbox/runtime/trunk/src/main/native/shared/error.c (original)
+++ commons/sandbox/runtime/trunk/src/main/native/shared/error.c Wed Apr 13 18:20:01 2011
@@ -748,7 +748,7 @@ AcrReleaseExceptionClasses(JNI_STDENV)
     }
 }
 
-ACR_IO_EXPORT(jstring, Status, describe)(JNI_STDARGS, jint err)
+ACR_JNI_EXPORT(jstring, Status, describe)(JNI_STDARGS, jint err)
 {
     char buf[ACR_MBUFF_SIZ] = "";
 
@@ -756,7 +756,7 @@ ACR_IO_EXPORT(jstring, Status, describe)
     return AcrNewJavaStringA(env, buf);
 }
 
-ACR_IO_EXPORT(jboolean, Status, is0)(JNI_STDARGS, jint what, jint err)
+ACR_JNI_EXPORT(jboolean, Status, is0)(JNI_STDARGS, jint what, jint err)
 {
     jboolean rv = JNI_FALSE;
     switch (what) {
@@ -769,6 +769,9 @@ ACR_IO_EXPORT(jboolean, Status, is0)(JNI
         case 2:
             if (ACR_STATUS_IS_ENOENT(err)) rv = JNI_TRUE;
         break;
+        case 3:
+            if (ACR_STATUS_IS_EBUSY(err))  rv = JNI_TRUE;
+        break;
         default:
         break;
     }



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