diff --git a/libc/bionic/gwp_asan_wrappers.h b/libc/bionic/gwp_asan_wrappers.h
index c568681..219da9f 100644
--- a/libc/bionic/gwp_asan_wrappers.h
+++ b/libc/bionic/gwp_asan_wrappers.h
@@ -28,19 +28,20 @@
 
 #pragma once
 
-#include <private/bionic_globals.h>
-#include <private/bionic_malloc_dispatch.h>
 #include <stddef.h>
 
-// Enable GWP-ASan, used by android_mallopt.
-bool EnableGwpAsan(bool force_init);
+#include "gwp_asan/options.h"
+#include "platform/bionic/malloc.h"
+#include "private/bionic_globals.h"
+#include "private/bionic_malloc_dispatch.h"
+
+// Enable GWP-ASan, used by android_mallopt. Should always be called in a
+// single-threaded context.
+bool EnableGwpAsan(const android_mallopt_gwp_asan_options_t& options);
 
 // Hooks for libc to possibly install GWP-ASan.
 bool MaybeInitGwpAsanFromLibc(libc_globals* globals);
 
-// Maybe initialize GWP-ASan. Set force_init to true to bypass process sampling.
-bool MaybeInitGwpAsan(libc_globals* globals, bool force_init = false);
-
 // Returns whether GWP-ASan is the provided dispatch table pointer. Used in
 // heapprofd's signal-initialization sequence to determine the intermediate
 // dispatch pointer to use when initing.