Start IPC-based NaCl PPAPI proxy after all untrusted code has loaded.

This delays the IPC proxy startup to happen at the same time as the SRPC
proxy, so that dynamically loaded apps work. The IRT startup is also changed
to start SRPC correctly. With this change, glibc examples work.
BUG=116317
TEST=manual
Review URL: https://codereview.chromium.org/10905310

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@157212 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 21 insertions, 0 deletions

diff --git a/ppapi/proxy/plugin_main_nacl.cc b/ppapi/proxy/plugin_main_nacl.cc
index cbe06a7..aba7be6 100644
--- a/ppapi/proxy/plugin_main_nacl.cc
+++ b/ppapi/proxy/plugin_main_nacl.cc
@@ -18,6 +18,7 @@
 #include "ipc/ipc_logging.h"
 #include "ipc/ipc_message.h"
 #include "native_client/src/shared/ppapi_proxy/ppruntime.h"
+#include "native_client/src/shared/srpc/nacl_srpc.h"
 #include "native_client/src/untrusted/irt/irt_ppapi.h"
 #include "ppapi/c/ppp.h"
 #include "ppapi/c/ppp_instance.h"
@@ -221,6 +222,14 @@ void PpapiPluginRegisterThreadCreator(
 }
 
 int IrtInit() {
+  static int initialized = 0;
+  if (initialized) {
+    return 0;
+  }
+  if (!NaClSrpcModuleInit()) {
+    return 1;
+  }
+  initialized = 1;
   return 0;
 }
 
@@ -234,6 +243,15 @@ int PpapiPluginMain() {
   options.message_loop_type = MessageLoop::TYPE_IO;
   io_thread.StartWithOptions(options);
 
+  // Start up the SRPC server on another thread. Otherwise, when it blocks
+  // on an RPC, the PPAPI proxy will hang. Do this before we initialize the
+  // module and start the PPAPI proxy so that the NaCl plugin can continue
+  // loading the app.
+  static struct NaClSrpcHandlerDesc srpc_methods[] = { { NULL, NULL } };
+  if (!NaClSrpcAcceptClientOnThread(srpc_methods)) {
+    return 1;
+  }
+
   int32_t error = ::PPP_InitializeModule(
       0 /* module */,
       &ppapi::proxy::PluginDispatcher::GetBrowserInterface);
@@ -244,6 +262,9 @@ int PpapiPluginMain() {
   PpapiDispatcher ppapi_dispatcher(io_thread.message_loop_proxy());
 
   loop.Run();
+
+  NaClSrpcModuleFini();
+
   return 0;
 }