[Sanitizers] DragonFlyBSD adding support for builtins
Reviewed By: vitalybuka
Differential Revision: https://reviews.llvm.org/D89653
GitOrigin-RevId: 0df0d6acea3365f4039cb889b787f02664e07032
diff --git a/lib/builtins/atomic.c b/lib/builtins/atomic.c
index f48cdc1..2d109d2 100644
--- a/lib/builtins/atomic.c
+++ b/lib/builtins/atomic.c
@@ -52,7 +52,7 @@
// defined. Each platform should define the Lock type, and corresponding
// lock() and unlock() functions.
////////////////////////////////////////////////////////////////////////////////
-#ifdef __FreeBSD__
+#if defined(__FreeBSD__) || defined(__DragonFly__)
#include <errno.h>
// clang-format off
#include <sys/types.h>