Re: if bpf fd's select()able?

2003-09-08 Thread Guy Harris
However, my tests show that select()ing bpf fd does not lead to trigger packets available to bpf filter; the process hangs in select state while parallel tcpdump process shows packets desired *and* is in bpf state. See PR kern/22063 "bpf when used with the select system call with timeout doesn't

Re: libpcap and pthreads

2001-07-19 Thread Guy Harris
> > Is it possible to use libpcap with pthreads? > > (I want to use just pcap_dispatch() function) > > I very much doubt so. It's not possible to use it in any kind of > multithreaded applications, even with select() scenarios. That's a BPF problem, not a libpcap problem; see PR kern/22063 "bpf

Re: how to compile bpf...

2001-06-28 Thread Guy Harris
The same question was asked by Ralf Knapp <[EMAIL PROTECTED]> - in fact, the text of the question appears to be identical to the text of your question - who sent his question to [EMAIL PROTECTED] and [EMAIL PROTECTED] The answer to that question was: Date: Thu, 28 Jun 2001 11:34:10 -0500

Re: [tcpdump-workers] Re: Fwd: kyxtech: freebsd outsniffed by wintendo !!?!?

2000-12-08 Thread Guy Harris
On Thu, Dec 07, 2000 at 09:51:42PM -0800, Alfred Perlstein wrote: > I'm very curious how they managed to run "windump" on FreeBSD. Presumably they're referring to tcpdump there, as per the first paragraph in "2. Tests": This Section aims at giving some indications about the perf

Re: [Ethereal-dev] Re: Fwd: kyxtech: freebsd outsniffed by wintendo !!?!?

2000-12-08 Thread Guy Harris
On Thu, Dec 07, 2000 at 11:39:58PM -0800, Guy Harris wrote: > Or, as per my other mail, perhaps using, on Windows, a version of the > standard I/O library that does bigger writes, hence fewer system calls. Nope. According to "strace for NT": http://www.secu

Re: [Ethereal-dev] Re: Fwd: kyxtech: freebsd outsniffed by wintendo !!?!?

2000-12-07 Thread Guy Harris
On Thu, Dec 07, 2000 at 11:38:09PM -0800, Matt Dillon wrote: > It amounts to the same thing, since -w does nothing more then an > fopen(..."w"). You get a pidly 8K buffer out of that, and it isn't > even double buffered. > > But I think the last poster had it right... if the bpf

Re: [Ethereal-dev] Re: Fwd: kyxtech: freebsd outsniffed by wintendo !!?!?

2000-12-07 Thread Guy Harris
On Thu, Dec 07, 2000 at 09:47:20PM -0800, Matt Dillon wrote: > Looking at the data I would guess that they > are appending to a file using write()'s on a packet-by-packet basis Or, as per my other mail, perhaps using, on Windows, a version of the standard I/O library that does bigger writ

Re: [tcpdump-workers] Fwd: kyxtech: freebsd outsniffed by wintendo !!?!?

2000-12-07 Thread Guy Harris
On Thu, Dec 07, 2000 at 09:06:04PM -0800, Dragos Ruiu wrote: > (Hurm Wintendo outperforming unix???!?? Something's > improper about this, and it ought to be fixed... :-) > Comments? Other OS numbers: more recent > FreeBSD versions? Solaris? Tru64? Optimization > patches? As an experi

Re: [Ethereal-dev] Re: Fwd: kyxtech: freebsd outsniffed by wintendo !!?!?

2000-12-07 Thread Guy Harris
On Thu, Dec 07, 2000 at 09:47:20PM -0800, Matt Dillon wrote: > Looking at the data I would guess that they > are appending to a file using write()'s on a packet-by-packet basis Unlikely, given that they're using "tcpdump", which, with the "-w" flag, writes using standard I/O, and doesn't

Re: nfs v2

2000-09-29 Thread Guy Harris
On Fri, Sep 29, 2000 at 10:47:24AM +0300, Danny Braniss wrote: > basicaly, if i understand your explanation, i will always have problems > with mknod and v2/v3. Yes, mknod done with V3 will, unless your server treats special file major/minor device numbers the way FreeBSD does, probably create a

Re: nfs v2

2000-09-28 Thread Guy Harris
> } 1) NFS V2 having, as I remember, insufficient bits in the > }major/minor device value used when creating special files to > }support more than 8 bits of major and 8 bits of minor device; > if i remember correctly,i copied the / over to the NetAPP via nfsv3 > either tar or

Re: "Sticky" Keys ?

2000-07-01 Thread Guy Harris
> You want accessx for X-windows. Solaris, Compaq/Digital, and SGI > provide it, but I didn't see anything at www.xfree86.org > Searching around the web found a version for Linux > http://slappy.cs.uiuc.edu/fall98/Linux/download.html AccessX appears to have been developed, at least in part, by t