coublock          180 include/linux/sched/signal.h 	unsigned long inblock, oublock, cinblock, coublock;
coublock         1053 kernel/exit.c  		psig->coublock +=
coublock         1055 kernel/exit.c  			sig->oublock + sig->coublock;
coublock         1735 kernel/sys.c   		r->ru_oublock = p->signal->coublock;