commit 234da578a2d91ed7f2ef47b2ec23fb0033e2746b
author Elliott Hughes <enh@google.com> Thu Nov 03 22:13:06 2011 -0700
committer Elliott Hughes <enh@google.com> Fri Nov 04 16:09:39 2011 -0700
tree f0d92cfd9163ebc00a94d629c9606f523821d2c8
parent cac6cc72c3331257fa6437b36a131e5d551e2f3c

Basic file locking.

If someone's already doing dex2oat, wait for them to finish rather
than duplicate their work.

Change-Id: Id620c75e013cbbcc84f5bf62a7629533a95307df

src/common_test.h

diff --git a/src/common_test.h b/src/common_test.h
index 928cb51..3966742 100644
--- a/src/common_test.h
+++ b/src/common_test.h
@@ -56,6 +56,7 @@
     filename_ += "/TmpFile-XXXXXX";
     fd_ = mkstemp(&filename_[0]);
     CHECK_NE(-1, fd_);
+    file_.reset(OS::FileFromFd(GetFilename(), fd_));
   }
 
   ~ScratchFile() {
@@ -69,6 +70,10 @@
     return filename_.c_str();
   }
 
+  File* GetFile() const {
+    return file_.get();
+  }
+
   int GetFd() const {
     return fd_;
   }
@@ -76,6 +81,7 @@
  private:
   std::string filename_;
   int fd_;
+  UniquePtr<File> file_;
 };
 
 class CommonTest : public testing::Test {