I'm not familiar with all the details. Best to ask perl5-porters. (Remember to append your perl -V output)
Tim. On Fri, Jan 09, 2004 at 05:06:46PM -0500, Steven N. Hirsch wrote: > Tim, > > I've run into an odd problem using the DBI::Proxy. In Programming Perl - > 3rd Edition, the claim is made that Perl will always try to restart > interrupted "slow" system calls if POSIX sigaction() is supported. > > Our experiences are suggesting that this is not correct. We have an > application which connects over the Proxy and forks children (which also > establish their own connections - this is another can-of-worms for future > discussion). Unfortunately, the PlClient dies (with EINTR) if the DBI > is in read() or write() at the time a child terminates. I can see > clearly that the code (Comm.pm) is not trying to handle this case, > believing (as I did) the claim of Perl doing the "right thing" and > restarting the call. > > Before I tear into it, I want to make sure I have come to the correct > conclusion. Certainly, perl-5.8.0 is not using SA_RESTART anymore, but > there is other "magic" going on in support of "safe interrupts" which I do > not fully understand. > > What is your take on this? > > Regards, > > Steve > > -- > ---------------------------------------------------------------- > Steven N. Hirsch tie-line: 446-6557 ext: 802-769-6557 > > Staff Engineer Methodology Integration Team > ASIC Product Development IBM Microelectronics > ---------------------------------------------------------------- >
