[threads] Do not switch to GC safe twice, it's already done inside mono_join_uninterr...

diff --git a/mono/metadata/threads.c b/mono/metadata/threads.c
index 47b4b691690317bae645137e9b1fcaa1b6ac544e..6721ba5c23fe263f8e45850aa4e82e79b906b826 100644 (file)
--- a/mono/metadata/threads.c
+++ b/mono/metadata/threads.c
@@ -1686,9 +1686,7 @@ ves_icall_System_Threading_Thread_Join_internal(MonoThread *this_obj, int ms)
        
        mono_thread_set_state (cur_thread, ThreadState_WaitSleepJoin);
 
-       MONO_ENTER_GC_SAFE;
        ret=mono_join_uninterrupted (handle, ms, &error);
-       MONO_EXIT_GC_SAFE;
 
        mono_thread_clr_state (cur_thread, ThreadState_WaitSleepJoin);