test/java/lang/ProcessBuilder/Basic.java

*** 2015,2025 ****
          try {
              if (Unix.is()
                  && new File("/bin/bash").exists()
                  && new File("/bin/sleep").exists()) {
                  final String[] cmd = { "/bin/bash", "-c", "(/bin/sleep 6666)" };
-                 final String[] cmdkill = { "/bin/bash", "-c", "(/usr/bin/pkill -f \"sleep 6666\")" };
                  final ProcessBuilder pb = new ProcessBuilder(cmd);
                  final Process p = pb.start();
                  final InputStream stdout = p.getInputStream();
                  final InputStream stderr = p.getErrorStream();
                  final OutputStream stdin = p.getOutputStream();
--- 2015,2024 ----
*** 2043,2059 ****
                  check(p.waitFor() != 0);
                  check(p.exitValue() != 0);
                  stdout.close();
                  stderr.close();
                  stdin.close();
-                 new ProcessBuilder(cmdkill).start();
                  //----------------------------------------------------------
                  // There remain unsolved issues with asynchronous close.
                  // Here's a highly non-portable experiment to demonstrate:
                  //----------------------------------------------------------
                  if (Boolean.getBoolean("wakeupJeff!")) {
                      System.out.println("wakeupJeff!");
                      // Initialize signal handler for INTERRUPT_SIGNAL.
                      new FileInputStream("/bin/sleep").getChannel().close();
                      // Send INTERRUPT_SIGNAL to every thread in this java.
                      String[] wakeupJeff = {
                          "/bin/bash", "-c",
--- 2042,2058 ----
                  check(p.waitFor() != 0);
                  check(p.exitValue() != 0);
                  stdout.close();
                  stderr.close();
                  stdin.close();
                  //----------------------------------------------------------
                  // There remain unsolved issues with asynchronous close.
                  // Here's a highly non-portable experiment to demonstrate:
                  //----------------------------------------------------------
                  if (Boolean.getBoolean("wakeupJeff!")) {
                      System.out.println("wakeupJeff!");
+                     long startTime = System.nanoTime();
                      // Initialize signal handler for INTERRUPT_SIGNAL.
                      new FileInputStream("/bin/sleep").getChannel().close();
                      // Send INTERRUPT_SIGNAL to every thread in this java.
                      String[] wakeupJeff = {
                          "/bin/bash", "-c",
*** 2062,2073 ****
                          // INTERRUPT_SIGNAL == 62 on my machine du jour.
                          "/usr/bin/xargs kill -62"
                      };
                      new ProcessBuilder(wakeupJeff).start().waitFor();
                      // If wakeupJeff worked, reader probably got EBADF.
!                     reader.join();
                  }
              }
          } catch (Throwable t) { unexpected(t); }
  
          //----------------------------------------------------------------
          // Attempt to start process with insufficient permissions fails.
--- 2061,2081 ----
                          // INTERRUPT_SIGNAL == 62 on my machine du jour.
                          "/usr/bin/xargs kill -62"
                      };
                      new ProcessBuilder(wakeupJeff).start().waitFor();
                      // If wakeupJeff worked, reader probably got EBADF.
!                     long timeout = 60L * 1000L;
!                     reader.join(timeout);
!                     long elapsedTimeMillis =
!                          (System.nanoTime() - startTime) / (1024L * 1024L); 
!                     check(elapsedTimeMillis < timeout);
!                     check(!reader.isAlive());
                  }
+                 // Try to clean up the sleep process, but don't fret about it.
+                 try {
+                     new ProcessBuilder("/usr/bin/pkill", "-f", "sleep 6666").start();
+                 } catch (IOException noPkillCommandInstalled) { }
              }
          } catch (Throwable t) { unexpected(t); }
  
          //----------------------------------------------------------------
          // Attempt to start process with insufficient permissions fails.