Hello,
i have a question about this little code snippet, found in
sys_semtimedop() (ipc/sem.c):
for (sop = sops; sop < sops + nsops; sop++) {
if (sop->sem_num >= max)
max = sop->sem_num;
if (sop->sem_flg & SEM_UNDO)
undos++;
if (sop->sem_op < 0)
decrease = 1;
if (sop->sem_op > 0)
alter = 1;
}
alter |= decrease;
The variable decrease will never be used again in this
function, so why this intricate code? Isn't this much easier and works
also:
for (sop = sops; sop < sops + nsops; sop++) {
if (sop->sem_num >= max)
max = sop->sem_num;
if (sop->sem_flg & SEM_UNDO)
undos++;
if (sop->sem_op != 0)
alter = 1;
}
Maybe i'm totally wrong, so please correct me and don't shoot me up,
'cause i'm not a os developer.
Thanks,
Patrick
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