max_open_files
Benjamin Kuit
bj at mcs.uts.edu.au
Sun Feb 7 22:19:08 GMT 1999
> > This might be a bug ..
>
> what version of samba?
>
Latest cvs version of samba-2.1.0-prealpha
> >
> > samba/smbd/service.c
>
> smbd/server.c?
>
Yes, mistake is in smbd/server.c. Sorry for that, late night last night.
> > 617 init_structs();
> > 618
> > 619 if (!reload_services(False))
> > 620 return(-1);
>
> code is different in 2.0.2. smbd/server.c, line 625-:
>
> if (!reload_services(False))
> return(-1);
>
> init_structs();
>
> >
> > init_structs eventually has file_init() called, which uses
> > Globals.max_open_files to set real_max_open_files, a static
> > int in smbd/files.c.
> >
> > The problem is that Globals.max_open_files is only set to
> > MAX_OPEN_FILES by init_globals, which is first (and only?)
> > called through reload_services(), the result is that
> > smbd/files.c:real_max_open_files is set to 0.
> >
> > Surprisingly enough, on my system isn't stopping files being opened,
> > probably because the limit is set to maxfiles+FUDGEFACTOR and I'm not
> > using it in a large system, but it does cause a problem in the call
> > to file_new(), which has the calculation:
> >
> > 64 first_file = (getpid() ^ (int)time(NULL)) % real_max_open_files;
> >
> > Since real_max_open_files = 0, the daemon dies of an Arithmetic Exception.
> >
> > This was causing my roaming profile problem, and probably some others that
> > I was ignoring.
> >
> > Bj
> >
> > +-------------------------------+--------------------------------------+
> > | Benjamin (Bj) Kuit | Faculty Of Mathematical |
> > | Systems Programmer | and Computing Sciences. |
> > | Phone: 02 9514 1841 | University of Technology, Sydney |
> > | Mobile: 0412 182 972 | bj at mcs.uts.edu.au |
> > +-------------------------------+--------------------------------------+
> >
>
> --
> Todd Pfaff \ Email: pfaff at mcmaster.ca
> Computing and Information Services \ Voice: (905) 525-9140 x22920
> ABB 132 \ FAX: (905) 528-3773
> McMaster University \
> Hamilton, Ontario, Canada L8S 4M1 \
>
+-------------------------------+--------------------------------------+
| Benjamin (Bj) Kuit | Faculty Of Mathematical |
| Systems Programmer | and Computing Sciences. |
| Phone: 02 9514 1841 | University of Technology, Sydney |
| Mobile: 0412 182 972 | bj at mcs.uts.edu.au |
+-------------------------------+--------------------------------------+
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