More temporary debug spew to sort linux mochitest hang.

dom/plugins/PluginModuleChild.cpp

@@ -265,6 +265,16 @@ PluginModuleChild::AnswerNP_Shutdown(NPError *rv)
 {
     AssertPluginThread();
 
+
+
+
+#ifdef OS_LINUX
+    printf("TEST-UNEXPECTED-FAIL | plugin process %d | got NP_Shutdown() %d\n", getpid());
+#endif
+
+
+
+
     // the PluginModuleParent shuts down this process after this RPC
     // call pops off its stack
 

ipc/chromium/src/chrome/common/process_watcher_posix_sigchld.cc

@@ -115,7 +115,24 @@ protected:
   void WaitForChildExit()
   {
     DCHECK(process_);
+
+
+
+    printf("TEST-UNEXPECTED-FAIL | process %d busy-waiting on | child process %d\n", getpid(), process_);
+
+
+
+
     HANDLE_EINTR(waitpid(process_, NULL, 0));
+
+
+
+
+    printf("TEST-UNEXPECTED-FAIL | process %d done busy-waiting on | child process %d\n", getpid(), process_);
+
+
+
+
   }
 
   pid_t process_;