GC_mach_handler_thread 253 gc/darwin_stop_world.c static mach_port_t GC_mach_handler_thread; GC_mach_handler_thread 302 gc/darwin_stop_world.c && GC_mach_handler_thread != thread))) { GC_mach_handler_thread 440 gc/darwin_stop_world.c (GC_use_mach_handler_thread && GC_mach_handler_thread != thread))) { GC_mach_handler_thread 470 gc/darwin_stop_world.c GC_mach_handler_thread = thread;