RE: readv() questions

2006-05-10 Thread Dave Korn
On 10 May 2006 12:19, [EMAIL PROTECTED] wrote: > On Tue, May 09, 2006 at 10:11:35PM -0700, [EMAIL PROTECTED] wrote: >> >> So far so good, but if anyone sees anything glaring might as well point it >> out - although this is not really CW related at this point. >> >> -cl > > Just to follow up on

Re: readv() questions

2006-05-10 Thread clayne
On Tue, May 09, 2006 at 10:11:35PM -0700, [EMAIL PROTECTED] wrote: > > So far so good, but if anyone sees anything glaring might as well point it > out - although this is not really CW related at this point. > > -cl Just to follow up on this.. I did take your advice fully Dave, and decided to ju

Re: readv() questions

2006-05-09 Thread clayne
On Tue, May 09, 2006 at 03:54:16PM +0100, Dave Korn wrote: > > You cannot > > even use the idiom of "well let me just get the rest of this here and I'll > > make a request for the dropped data after." > > Yes you absolutely can. Who said you can't? You're just not trying. It > works fine. We

RE: readv() questions

2006-05-09 Thread Dave Korn
On 09 May 2006 15:36, [EMAIL PROTECTED] wrote: >> Well, to me this looks like a variation on the classic error made when >> coding applications which use tcp. Specifically that there is a 1<->1 >> crrespondence between sends( write, writev, etc) on the sending side to >> rcvs(read, readv, etc) on

Re: readv() questions

2006-05-09 Thread clayne
On Tue, May 09, 2006 at 07:00:57AM -0700, Mark Pizzolato wrote: > > 67 > > 68 for (error = 0; !error; ) { > > 69 error = 1; > > 70 > > 71 if ((hl = n_recv_iov(s, packet, NE(packet), 60)) > >== (size_t)-1) > > 72

RE: readv() questions

2006-05-09 Thread Dave Korn
On 09 May 2006 08:44, [EMAIL PROTECTED] wrote: > 2. What exactly is the purpose of dummytest() within > /winsup/cygwin/miscfuncs.cc? > The actual check_iovec() call with preceeding dummytest(): > > 162 static char __attribute__ ((noinline)) > 163 dummytest (volatile char *p) > 164 {

Re: readv() questions

2006-05-09 Thread Mark Pizzolato
On Tuesday, May 09, 2006 12:44 AM clayne wrote: [...] My actual readv() wrapping code is very basic and standard, so I don't think it's doing anything evil or causing a problem: 400 size_t n_recv_iov(int s, const struct iovec *v, size_t c, int tout) 401 { 402 size_t