Remove Runnables and RuntimeUtils from Bazel. An earlier commit moved these classes in because we thought we would need them, but they ended up not being needed.

--
MOS_MIGRATED_REVID=111534289

2 files changed, 0 insertions, 88 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/util/Runnables.java b/src/main/java/com/google/devtools/build/lib/util/Runnables.java
deleted file mode 100644
index db628914d4..0000000000
--- a/src/main/java/com/google/devtools/build/lib/util/Runnables.java
+++ /dev/null
@@ -1,40 +0,0 @@
-// Copyright 2015 The Bazel Authors. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//    http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-package com.google.devtools.build.lib.util;
-
-/** Utilities for dealing with {@link Runnable}s that may call into uncontrolled code. */
-public class Runnables {
-  private Runnables() {}
-
-  /**
-   * A {@link Runnable} that terminates the jvm instead of throwing an unchecked exception in
-   * {@link Runnable#run}.
-   *
-   * <p>This is useful if the {@link Runnable} may be executed by code outside of our control, e.g.
-   * if we call into library code that silently swallows {@link RuntimeException}s from our code.
-   */
-  // TODO(bazel-team): Long-term, callers may want to handle exceptions more gracefully.
-  public abstract static class AbstractCrashTerminatingRunnable implements Runnable {
-    protected abstract void runImpl();
-
-    @Override
-    public final void run() {
-      try {
-        runImpl();
-      } catch (Throwable t) {
-        RuntimeUtils.halt(t);
-      }
-    }
-  }
-}
diff --git a/src/main/java/com/google/devtools/build/lib/util/RuntimeUtils.java b/src/main/java/com/google/devtools/build/lib/util/RuntimeUtils.java
deleted file mode 100644
index c8dbb5c524..0000000000
--- a/src/main/java/com/google/devtools/build/lib/util/RuntimeUtils.java
+++ /dev/null
@@ -1,48 +0,0 @@
-// Copyright 2015 The Bazel Authors. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//    http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-package com.google.devtools.build.lib.util;
-
-import com.google.common.base.Throwables;
-
-import java.util.logging.Logger;
-
-import javax.annotation.Nullable;
-
-/** Utilities for interacting with the jvm. */
-public class RuntimeUtils {
-  private static final Logger LOG = Logger.getLogger(RuntimeUtils.class.getName());
-
-  @Nullable private static volatile Throwable unprocessedThrowableInTest = null;
-
-  private RuntimeUtils() {}
-
-  /**
-   * In tests, System.exit may be disabled. Thus, the main thread should call this method whenever
-   * it is about to block on thread completion that might hang because of a failed halt below.
-   */
-  public static void maybePropagateUnprocessedThrowableIfInTest() {
-    Throwables.propagateIfPossible(unprocessedThrowableInTest);
-  }
-
-  /** Terminates the jvm with the exit code {@link ExitCode#BLAZE_INTERNAL_ERROR}. */
-  public static void halt(Throwable crash) {
-    LOG.info("About to call System#exit. Halt requested due to crash. See stderr for details.");
-    System.err.println("About to call System#exit. Halt requested due to crash");
-    crash.printStackTrace();
-    System.err.println("... called from");
-    new Exception().printStackTrace();
-    unprocessedThrowableInTest = crash;
-    System.exit(ExitCode.BLAZE_INTERNAL_ERROR.getNumericExitCode());
-  }
-}