I'm trying to get POLLRDHUP working in the poll command but I can't
get it working, for example if I set p[0].events.pollrdhup=true
poll(1) never sets p[0].revents.pollrdhup to true even if I'm using a
socket which has been closed by the other side.
I dug deeper and found that the Linux binary I created from ast-ksh
20130628 doesn't have POLLRDHUP compiled in but
src/cmd/ksh93/bltins/poll.c certainly has support for it:
-----------
ksh -c 'poll --man 2>&1 | grep -i hup'
.pollhup
members pollhup, pollerr, and pollnval are always set to 'true' in revents if
The pollinhup, pollnval and pollerr variables may appear in the
${ar[x].revents.pollhup-} to get the value of ar[x].revents.pollhup
variables p[0].revents.pollin and p[0].revents.pollhup will be 'true'
pollin="true" pollhup="true" ) ) ) ; poll -t2 p ; print -v p'
grep RDHUP <src/cmd/ksh93/bltins/poll.c
#ifdef POLLRDHUP
{ POLLRDHUP, "pollrdhup" },
-----------
Can anyone check why this happens?
Platform is Redhat Fedora 19 on a x84_64 server.
Dan
PS: The ksh93 version shipped with Fedora 19 is from the stone age. Is
there someone I can contact to rectify this?
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