Revert "CPP-6254 Output for CLion IDE sometimes cuts off when executing a program"

This reverts commit 92e527b1a9.

platform/util/src/com/intellij/execution/process/BaseOSProcessHandler.java

@@ -139,8 +139,8 @@ public class BaseOSProcessHandler extends ProcessHandler implements TaskExecutor
             public void consume(Integer exitCode) {
               try {
                 // tell readers that no more attempts to read process' output should be made
-                stop(stdErrReader);
-                stop(stdOutReader);
+                if (stdErrReader != null) stdErrReader.stop();
+                stdOutReader.stop();
 
                 try {
                   if (stdErrReader != null) stdErrReader.waitFor();
@@ -163,17 +163,6 @@ public class BaseOSProcessHandler extends ProcessHandler implements TaskExecutor
     super.startNotify();
   }
 
-  private static void stop(@Nullable BaseDataReader reader) {
-    if (reader != null) {
-      if (reader instanceof BaseOutputReader) {
-        ((BaseOutputReader)reader).stop(false);
-      }
-      else {
-        reader.stop();
-      }
-    }
-  }
-
   /** @deprecated override {@link #createOutputDataReader()} (to be removed in IDEA 18) */
   protected BaseDataReader createErrorDataReader(@SuppressWarnings("UnusedParameters") BaseDataReader.SleepingPolicy policy) {
     return createErrorDataReader();

platform/util/src/com/intellij/util/io/BaseOutputReader.java

@@ -190,12 +190,8 @@ public abstract class BaseOutputReader extends BaseDataReader {
 
   @Override
   public void stop() {
-    stop(true);
-  }
-
-  public void stop(boolean force) {
     super.stop();
-    if (force && mySleepingPolicy == SleepingPolicy.BLOCKING) {
+    if (mySleepingPolicy == SleepingPolicy.BLOCKING) {
       // we can't count on super.stop() since it only sets 'isRunning = false', and blocked Reader.read won't wake up.
       try { close(); }
       catch (IOException ignore) { }