Implement cleanup-on-interrupt

This causes us to clean up by deleting any output files belonging
to currently-running commands before we quit if we are interrupted
(either by Ctrl-C or by a command failing).

Fixes issue #110.

1 files changed, 24 insertions, 0 deletions

diff --git a/src/exit_status.h b/src/exit_status.h
new file mode 100644
index 0000000..a714ece
--- /dev/null
+++ b/src/exit_status.h
@@ -0,0 +1,24 @@
+// Copyright 2011 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.
+
+#ifndef NINJA_EXIT_STATUS_H_
+#define NINJA_EXIT_STATUS_H_
+
+enum ExitStatus {
+  ExitSuccess,
+  ExitFailure,
+  ExitInterrupted
+};
+
+#endif  // NINJA_EXIT_STATUS_H_