Add the Release function for TemporaryFiles

Some tests may create a File* by calling fdopen() on the temp file's
fd. We should release the ownership of fd in this case to avoid the
double close.

Bug: 65430057
Test: libbase unit tests pass
Change-Id: I54fcce2029f9a574f53afdbdda737ee58620c73a

1 files changed, 4 insertions, 0 deletions

diff --git a/base/include/android-base/test_utils.h b/base/include/android-base/test_utils.h
index c0bf0c1e1..07a5edda0 100644
--- a/base/include/android-base/test_utils.h
+++ b/base/include/android-base/test_utils.h
@@ -26,6 +26,10 @@ class TemporaryFile {
   TemporaryFile();
   ~TemporaryFile();
 
+  // Release the ownership of fd, caller is reponsible for closing the
+  // fd or stream properly.
+  int release();
+
   int fd;
   char path[1024];