Allow to reset malloc hooks.
This is used to prevent the additional indirection even after heap
profiling has finished, preventing any performance impact on processes
that are not currently being profiled.
Test: m
Test: flash sailfish
Test: try tearing down & re-enabling hooks
Bug: 120186127
Change-Id: Idc5988111a47870d2c093fd6a017b47e65f5616b
diff --git a/libc/private/bionic_malloc.h b/libc/private/bionic_malloc.h
index a9fa22d..5f4a75d 100644
--- a/libc/private/bionic_malloc.h
+++ b/libc/private/bionic_malloc.h
@@ -32,11 +32,13 @@
// Opcodes for android_mallopt.
-// Marks the calling process as a profileable zygote child, possibly
-// initializing profiling infrastructure.
enum {
+ // Marks the calling process as a profileable zygote child, possibly
+ // initializing profiling infrastructure.
M_INIT_ZYGOTE_CHILD_PROFILING = 1,
#define M_INIT_ZYGOTE_CHILD_PROFILING M_INIT_ZYGOTE_CHILD_PROFILING
+ M_RESET_HOOKS = 2,
+#define M_RESET_HOOKS M_RESET_HOOKS
};
// Manipulates bionic-specific handling of memory allocation APIs such as