SEM_UNDO          358 ipc/sem.c      		if (sop->sem_flg & SEM_UNDO) {
SEM_UNDO          372 ipc/sem.c      		if (sop->sem_flg & SEM_UNDO)
SEM_UNDO         1096 ipc/sem.c      		if (sop->sem_flg & SEM_UNDO)