Introduce api to track fd ownership in libc.
Add two functions to allow objects that own a file descriptor to
enforce that only they can close their file descriptor.
Use them in FILE* and DIR*.
Bug: http://b/110100358
Test: bionic_unit_tests
Test: aosp/master boots without errors
Test: treehugger
Change-Id: Iecd6e8b26c62217271e0822dc3d2d7888b091a45
diff --git a/libc/bionic/spawn.cpp b/libc/bionic/spawn.cpp
index fde102c..e73828f 100644
--- a/libc/bionic/spawn.cpp
+++ b/libc/bionic/spawn.cpp
@@ -35,6 +35,8 @@
#include <string.h>
#include <unistd.h>
+#include <android/fdsan.h>
+
#include "private/ScopedSignalBlocker.h"
#include "private/SigSetConverter.h"