GC_use_mach_handler_thread 254 gc/darwin_stop_world.c static int GC_use_mach_handler_thread = 0; GC_use_mach_handler_thread 300 gc/darwin_stop_world.c (!GC_use_mach_handler_thread GC_use_mach_handler_thread 301 gc/darwin_stop_world.c || (GC_use_mach_handler_thread GC_use_mach_handler_thread 439 gc/darwin_stop_world.c (!GC_use_mach_handler_thread || GC_use_mach_handler_thread 440 gc/darwin_stop_world.c (GC_use_mach_handler_thread && GC_mach_handler_thread != thread))) { GC_use_mach_handler_thread 471 gc/darwin_stop_world.c GC_use_mach_handler_thread = 1;