[pso] [Tema4] no of rules
Marius Ion
marius.ion85 at gmail.com
Sat Jun 14 17:50:31 EEST 2008
Salut,
Din user space iti vin de 2 ori comenzi ioctl. Prima are spatiu alocat pentru 0 reguli si trebuie sa returnezi -ENOSPC, iar a doua va veni cu spatiu alocat pentru cate reguli trebuie si trebuie sa returnezi 0. Incearca sa vezi la care din cele 2 ioctl-uri nu intorci ce trebuie.
Marius Ion
343 C3
----- Original Message -----
From: Laura Ionita
To: Proiectarea Sistemelor de Operare
Sent: Saturday, June 14, 2008 2:14 PM
Subject: Re: [pso] [Tema4] no of rules
Salut,
Am aceeasi problema (cu care ma chinuiesc de 3 zile :D): no_of_rules ..... failed: success.
Nu inteleg de ce pentru ca trimit user-ului numarul de reguli curent si intorc -ENOSPC.
if (copy_to_user((void*) arg, &nr_rules, sizeof(int)))
return -EFAULT;
return -ENOSPC;
Imi scapa ceva?
multumesc anticipat,
Laura
2008/5/31 Razvan Deaconescu <razvan.deaconescu at cs.pub.ro>:
On Sat, 2008-05-31 at 16:52 +0300, Laura Cristina wrote:
> In enuntul temei nu zice nimic despre asta, si am incercat in ambele
> moduri tot imi da failed.. poate e de la altceva.
Verifica in test ce trebuie sa intorci. Daca testul cere -EINVAL sau
cere sa intoarca 0 verifica daca intorci aceeasi valoare din modulul
tau.
Razvan
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