#ifndef GC_DARWIN_STOP_WORLD_H #define GC_DARWIN_STOP_WORLD_H #if !defined(GC_DARWIN_THREADS) #error darwin_stop_world.h included without GC_DARWIN_THREADS defined #endif #include <mach/mach.h> #include <mach/thread_act.h> struct thread_stop_info { mach_port_t mach_thread; }; #endif