racct_add_locked
error = racct_add_locked(p, resource, amount, 0);
racct_add_locked(p, resource, amount, 1);
racct_add_locked(curproc, RACCT_WRITEBPS, bp->b_bcount, 1);
racct_add_locked(curproc, RACCT_WRITEIOPS, 1, 1);
racct_add_locked(curproc, RACCT_READBPS, bp->b_bcount, 1);
racct_add_locked(curproc, RACCT_READIOPS, 1, 1);
error = racct_add_locked(child, RACCT_NPROC, 1, 0);
error += racct_add_locked(child, RACCT_NTHR, 1, 0);