cinblock          180 include/linux/sched/signal.h 	unsigned long inblock, oublock, cinblock, coublock;
cinblock         1050 kernel/exit.c  		psig->cinblock +=
cinblock         1052 kernel/exit.c  			sig->inblock + sig->cinblock;
cinblock         1734 kernel/sys.c   		r->ru_inblock = p->signal->cinblock;