commit 7331fe18d7ffd550996e07b534bc7a6cf625afa5
author Dimitry Ivanov <dimitry@google.com> Mon Dec 14 14:11:17 2015 -0800
committer Dimitry Ivanov <dimitry@google.com> Sat Dec 19 23:38:27 2015 -0800
tree ffad9be2c77f5c3c1ad164aa055a0e4b08f91cb1
parent 4afd635be1b956c40f36758a482e6d83502fbb42

linker: implement shared namespaces

Shared namespaces clone the list of loaded native
libraries from the caller namespace. This allows
classloaders for bundled apps to share already loaded
libraries with default namespace.

Bug: http://b/22548808
Bug: http://b/26165097
Change-Id: I8949d45937fdb38e1f586ff0679003adac0d9dad
(cherry picked from commit e78deef364d952dd1141a2f3067a12060aaf11e6)

linker/dlfcn.cpp

diff --git a/linker/dlfcn.cpp b/linker/dlfcn.cpp
index ba54d39..a7c3fb0 100644
--- a/linker/dlfcn.cpp
+++ b/linker/dlfcn.cpp
@@ -148,12 +148,14 @@
 }
 
 android_namespace_t* android_create_namespace(const char* name, const char* ld_library_path,
-                                              const char* default_library_path, bool is_isolated,
+                                              const char* default_library_path, uint64_t type,
                                               const char* permitted_when_isolated_path) {
+  void* caller_addr = __builtin_return_address(0);
   ScopedPthreadMutexLocker locker(&g_dl_mutex);
 
-  android_namespace_t* result = create_namespace(name, ld_library_path, default_library_path,
-                                                 is_isolated, permitted_when_isolated_path);
+  android_namespace_t* result = create_namespace(caller_addr, name, ld_library_path,
+                                                 default_library_path, type,
+                                                 permitted_when_isolated_path);
 
   if (result == nullptr) {
     __bionic_format_dlerror("android_create_namespace failed", linker_get_error_buffer());