commit 7571e8b761ebc2c923525e12ea9fcf07e62cb33e
author Brian Carlstrom <bdc@google.com> Mon Aug 12 17:04:14 2013 -0700
committer Brian Carlstrom <bdc@google.com> Thu Aug 15 10:33:53 2013 -0700
tree 5d90ecf4d0ba1a72b040a376f227df1ba9278889
parent 2e250c826b3c405d675017efe79e5db3651c9ee6

Add flock(2)ing on dex-cache files to prevent races

Bug: 9071417
Change-Id: I1ee9ff281867f90fba7a8ed8bbf06b33ac29d511

runtime/trace.cc

diff --git a/runtime/trace.cc b/runtime/trace.cc
index 29765c9..13e2bf6 100644
--- a/runtime/trace.cc
+++ b/runtime/trace.cc
@@ -318,7 +318,7 @@
   UniquePtr<File> trace_file;
   if (!direct_to_ddms) {
     if (trace_fd < 0) {
-      trace_file.reset(OS::OpenFile(trace_filename, true));
+      trace_file.reset(OS::CreateEmptyFile(trace_filename));
     } else {
       trace_file.reset(new File(trace_fd, "tracefile"));
       trace_file->DisableAutoClose();