Fix "crashes with "Aborted" and no other useful errors on EPERM".

--
MOS_MIGRATED_REVID=97234432

1 files changed, 43 insertions, 0 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/unix/FilePermissionException.java b/src/main/java/com/google/devtools/build/lib/unix/FilePermissionException.java
new file mode 100644
index 0000000000..96b82148e7
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/unix/FilePermissionException.java
@@ -0,0 +1,43 @@
+// Copyright 2015 Google Inc. 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.unix;
+
+import java.io.IOException;
+
+/**
+ * An IOException subclass that is thrown when a POSIX filesystem call returns
+ * an EPERM errno. The message is generally "Operation not permitted".
+ */
+public class FilePermissionException extends IOException {
+  /**
+   * Constructs a <code>FilePermissionException</code> with <code>null</code>
+   * as its error detail message.
+   */
+  public FilePermissionException() {
+    super();
+  }
+
+  /**
+   * Constructs an <code>FilePermissionException</code> with the specified detail
+   * message. The error message string <code>s</code> can later be
+   * retrieved by the <code>{@link java.lang.Throwable#getMessage}</code>
+   * method of class <code>java.lang.Throwable</code>.
+   *
+   * @param s the detail message.
+   */
+  public FilePermissionException(String s) {
+    super(s);
+  }
+}