src/share/classes/java/io/FileOutputStream.java

rev 6099 : [mq]: io-trace

*** 25,34 ****
--- 25,36 ----
  
  package java.io;
  
  import java.nio.channels.FileChannel;
  import sun.nio.ch.FileChannelImpl;
+ import sun.misc.IoTrace;
+ import sun.misc.IoTraceContext;
  
  
  /**
   * A file output stream is an output stream for writing data to a
   * <code>File</code> or to a <code>FileDescriptor</code>. Whether or not
*** 56,65 ****
--- 58,72 ----
       * The system dependent file descriptor.
       */
      private final FileDescriptor fd;
  
      /**
+      * The path of the referenced file (null if the stream is created with a file descriptor)
+      */
+     private final String path;
+ 
+     /**
       * True if the file is opened for append.
       */
      private final boolean append;
  
      /**
*** 197,207 ****
              throw new NullPointerException();
          }
          this.fd = new FileDescriptor();
          fd.attach(this);
          this.append = append;
! 
          open(name, append);
      }
  
      /**
       * Creates a file output stream to write to the specified file
--- 204,214 ----
              throw new NullPointerException();
          }
          this.fd = new FileDescriptor();
          fd.attach(this);
          this.append = append;
!         this.path = name;
          open(name, append);
      }
  
      /**
       * Creates a file output stream to write to the specified file
*** 233,242 ****
--- 240,250 ----
          }
          if (security != null) {
              security.checkWrite(fdObj);
          }
          this.fd = fdObj;
+         this.path = null;
          this.append = false;
  
          fd.attach(this);
      }
  
*** 263,273 ****
--- 271,288 ----
       *
       * @param      b   the byte to be written.
       * @exception  IOException  if an I/O error occurs.
       */
      public void write(int b) throws IOException {
+         IoTraceContext traceContext = IoTrace.fileWriteBegin(path);
+         int bytesWritten = 0;
+         try {
              write(b, append);
+             bytesWritten = 1;
+         } finally {
+             IoTrace.fileWriteEnd(traceContext,  bytesWritten);
+         }
      }
  
      /**
       * Writes a sub array as a sequence of bytes.
       * @param b the data to be written
*** 286,296 ****
--- 301,318 ----
       *
       * @param      b   the data.
       * @exception  IOException  if an I/O error occurs.
       */
      public void write(byte b[]) throws IOException {
+         IoTraceContext traceContext = IoTrace.fileWriteBegin(path);
+         int bytesWritten = 0;
+         try {
              writeBytes(b, 0, b.length, append);
+             bytesWritten = b.length;
+         } finally {
+             IoTrace.fileWriteEnd(traceContext,  bytesWritten);
+         }
      }
  
      /**
       * Writes <code>len</code> bytes from the specified byte array
       * starting at offset <code>off</code> to this file output stream.
*** 299,309 ****
--- 321,338 ----
       * @param      off   the start offset in the data.
       * @param      len   the number of bytes to write.
       * @exception  IOException  if an I/O error occurs.
       */
      public void write(byte b[], int off, int len) throws IOException {
+         IoTraceContext traceContext = IoTrace.fileWriteBegin(path);
+         int bytesWritten = 0;
+         try {
              writeBytes(b, off, len, append);
+             bytesWritten = len;
+         } finally {
+             IoTrace.fileWriteEnd(traceContext,  bytesWritten);
+         }
      }
  
      /**
       * Closes this file output stream and releases any system resources
       * associated with this stream. This file output stream may no longer
*** 371,381 ****
       * @spec JSR-51
       */
      public FileChannel getChannel() {
          synchronized (this) {
              if (channel == null) {
!                 channel = FileChannelImpl.open(fd, false, true, append, this);
              }
              return channel;
          }
      }
  
--- 400,410 ----
       * @spec JSR-51
       */
      public FileChannel getChannel() {
          synchronized (this) {
              if (channel == null) {
!                 channel = FileChannelImpl.open(fd, path, false, true, append, this);
              }
              return channel;
          }
      }