Native Socket Error On OS X (BSDs)
glewis at eyesbeyond.com
Mon Dec 22 06:29:17 PST 2008
On Sun, Dec 21, 2008 at 09:16:41PM -0500, Michael Franz wrote:
> I have been investigating this more and been trying to figure out where
> NET_Timeout is defined on OS X. It is being called in PlanSocketImpl.c.
> There are two definitions that I have found, one for linux and one for bsd.
> A third uses JVM_Timeout. The bsd version is specific to FreeBSD. Are
> there known issues with JVM_Timeout? Why does Linux and FreeBSD need
> definitions that are different from the one in Hotspot?
They look very similar don't they. I wonder if the HotSpot version is
actually exposed for the JDK code to use?
> I changed the inline int hpi::timeout(int fd, long timeout) method to not
> use the Apple specific code and I think the problem is fixed (at least for
So just removing the __APPLE__ code below fixes it for you? I can commit
that change for you.
> #ifdef __APPLE__
> // XXXDARWIN: poll() appears non-interruptable on Leopard:
> Thread.interrupt() failed to
> // cause interrupt. Does poll work at all on Tiger? Needs investigation.
> fd_set fdset;
> struct timeval seltv;
> FD_SET(fd, &fdset);
> seltv.tv_sec = timeout / 1000;
> seltv.tv_usec = (timeout % 1000) * 1000;
> INTERRUPTIBLE_NORESTART(::select(fd+1, &fdset, NULL, NULL, &seltv), res,
> struct pollfd pfd;
> pfd.fd = fd;
> pfd.events = POLLIN | POLLERR;
> INTERRUPTIBLE_NORESTART(::poll(&pfd, 1, timeout), res,
Greg Lewis Email : glewis at eyesbeyond.com
Eyes Beyond Web : http://www.eyesbeyond.com
Information Technology FreeBSD : glewis at FreeBSD.org
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