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

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@@ -26,11 +26,10 @@
  package java.io;
  
  import java.nio.channels.FileChannel;
  import jdk.internal.access.SharedSecrets;
  import jdk.internal.access.JavaIOFileDescriptorAccess;
- import jdk.internal.misc.Blocker;
  import sun.nio.ch.FileChannelImpl;
  
  
  /**
   * A file output stream is an output stream for writing data to a

@@ -284,16 +283,11 @@
       * Opens a file, with the specified name, for overwriting or appending.
       * @param name name of file to be opened
       * @param append whether the file is to be opened in append mode
       */
      private void open(String name, boolean append) throws FileNotFoundException {
-         long comp = Blocker.begin();
-         try {
-             open0(name, append);
-         } finally {
-             Blocker.end(comp);
-         }
+         open0(name, append);
      }
  
      /**
       * Writes the specified byte to this file output stream.
       *

@@ -311,16 +305,11 @@
       * @throws     IOException  if an I/O error occurs.
       */
      @Override
      public void write(int b) throws IOException {
          boolean append = FD_ACCESS.getAppend(fd);
-         long comp = Blocker.begin();
-         try {
-             write(b, append);
-         } finally {
-             Blocker.end(comp);
-         }
+         write(b, append);
      }
  
      /**
       * Writes a sub array as a sequence of bytes.
       * @param b the data to be written

@@ -341,16 +330,11 @@
       * @throws     IOException  {@inheritDoc}
       */
      @Override
      public void write(byte[] b) throws IOException {
          boolean append = FD_ACCESS.getAppend(fd);
-         long comp = Blocker.begin();
-         try {
-             writeBytes(b, 0, b.length, append);
-         } finally {
-             Blocker.end(comp);
-         }
+         writeBytes(b, 0, b.length, append);
      }
  
      /**
       * Writes {@code len} bytes from the specified byte array
       * starting at offset {@code off} to this file output stream.

@@ -362,16 +346,11 @@
       * @throws     IndexOutOfBoundsException {@inheritDoc}
       */
      @Override
      public void write(byte[] b, int off, int len) throws IOException {
          boolean append = FD_ACCESS.getAppend(fd);
-         long comp = Blocker.begin();
-         try {
-             writeBytes(b, off, len, append);
-         } finally {
-             Blocker.end(comp);
-         }
+         writeBytes(b, off, len, append);
      }
  
      /**
       * Closes this file output stream and releases any system resources
       * associated with this stream. This file output stream may no longer

@@ -458,12 +437,12 @@
          FileChannel fc = this.channel;
          if (fc == null) {
              synchronized (this) {
                  fc = this.channel;
                  if (fc == null) {
-                     this.channel = fc = FileChannelImpl.open(fd, path, false,
-                         true, false, this);
+                     fc = FileChannelImpl.open(fd, path, false, true, false, false, this);
+                     this.channel = fc;
                      if (closed) {
                          try {
                              // possible race with close(), benign since
                              // FileChannel.close is final and idempotent
                              fc.close();
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