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DateMon, 3 Apr 2006 20:15:45 -0700 (PDT)
FromDavide Libenzi <>
Subject[patch] uniform POLLRDHUP handling between epoll and poll/select ...

Like reported by Michael Kerrisk, POLLRDHUP handling was not consistent
between epoll and poll/select, since in epoll it was unmaskeable. This
patch brings uniformity in POLLRDHUP handling.



Signed-off-by: Davide Libenzi <davidel@xmailserver.org>


- Davide



diff -Nru linux-2.6.16/fs/eventpoll.c linux-2.6.16.mod/fs/eventpoll.c
--- linux-2.6.16/fs/eventpoll.c 2006-04-03 20:08:23.000000000 -0700
+++ linux-2.6.16.mod/fs/eventpoll.c 2006-04-03 20:09:51.000000000 -0700
@@ -599,7 +599,7 @@
switch (op) {
case EPOLL_CTL_ADD:
if (!epi) {
- epds.events |= POLLERR | POLLHUP | POLLRDHUP;
+ epds.events |= POLLERR | POLLHUP;

error = ep_insert(ep, &epds, tfile, fd);
} else
@@ -613,7 +613,7 @@
break;
case EPOLL_CTL_MOD:
if (epi) {
- epds.events |= POLLERR | POLLHUP | POLLRDHUP;
+ epds.events |= POLLERR | POLLHUP;
error = ep_modify(ep, epi, &epds);
} else
error = -ENOENT;
-
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