Semafory a sdilena pamet

[Marek Dieze]

Alexandr Malusek píše:
> 
> man semctl:
>        IPC_RMID    Remove  immediately  the semaphore set and its
>                    data structures  awakening  all  waiting  pro-
>                    cesses  (with an error return and errno set to
>                    EIDRM).  The calling process effective user-ID
>                    must be one among super-user, creator or owner
>                    of the semaphore set.  The argument semnum  is
>                    ignored.
> 
> Cesky: semafor muze odstranit proces s euid roota, vlastnika nebo
> tvurce.
> 
> > Kdyz to tedy nejde, jak to mam udelat, aby to z uctu uziv2
> > slo?
> 
> Krome metody pres suid root by to mohlo jit i tak, ze puvodni proces
> zmeni vlastnika semaforu na uziv2. Usuzuji tak ze sekce o IPC_SET,
> nastaveni sem_perm.uid. Ale mozna to spatne chapu, prakticky jsem to
> nezkousel.


Dekuji za informaci.

	M.Dieze