./src/solaris/classes/java/lang/UNIXProcess.java.solaris

rev 5754 : [mq]: getPid-patch

*** 23,33 ****
   * questions.
   */
  
  package java.lang;
  
! import java.io.*;
  import java.util.concurrent.TimeUnit;
  
  /* java.lang.Process subclass in the UNIX environment.
   *
   * @author Mario Wolczko and Ross Knippel.
--- 23,46 ----
   * questions.
   */
  
  package java.lang;
  
! import java.io.BufferedInputStream;
! import java.io.BufferedOutputStream;
! import java.io.ByteArrayInputStream;
! import java.io.FileDescriptor;
! import java.io.FileInputStream;
! import java.io.FileOutputStream;
! import java.io.IOException;
! import java.io.InputStream;
! import java.io.OutputStream;
! import java.nio.charset.Charset;
! import java.nio.file.Files;
! import java.nio.file.LinkOption;
! import java.nio.file.Path;
! import java.nio.file.Paths;
  import java.util.concurrent.TimeUnit;
  
  /* java.lang.Process subclass in the UNIX environment.
   *
   * @author Mario Wolczko and Ross Knippel.
*** 219,228 ****
--- 232,268 ----
      @Override
      public synchronized boolean isAlive() {
          return !hasExited;
      }
  
+     @Override
+     public int getPid() {
+         if (!isAlive()) {
+             return -1;
+         } else {
+             return pid;
+         }
+     }
+ 
+     @Override
+     public String getProcessName(int pid) {
+         // look at /proc/<pid>/comm
+         if (pid < 0) {
+             throw new IllegalArgumentException( "pid == " + pid );
+         }
+         Path p = Paths.get( "/proc/" + pid + "/comm" );
+         if (!Files.exists(p, LinkOption.NOFOLLOW_LINKS )) {
+             return null;
+         }
+     
+         try {
+             return Files.readAllLines( p, Charset.defaultCharset() ).get(0);
+         } catch (IOException ioex) {
+             throw new RuntimeException( ioex );
+         }
+     }
+ 
      // A FileInputStream that supports the deferment of the actual close
      // operation until the last pending I/O operation on the stream has
      // finished.  This is required on Solaris because we must close the stdin
      // and stdout streams in the destroy method in order to reclaim the
      // underlying file descriptors.  Doing so, however, causes any thread