extern StgPtr pending_handler_buf[];
extern StgPtr *next_pending_handler;
#define signals_pending() (next_pending_handler != pending_handler_buf)
void startSignalHandlers(Capability *cap);
extern StgPtr pending_handler_buf[];
extern StgPtr *next_pending_handler;
#define signals_pending() (next_pending_handler != pending_handler_buf)
void startSignalHandlers(Capability *cap);