[patch] uniform POLLRDHUP handling between epoll and poll/select...

[Davide Libenzi]

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@xxxxxxxxxxxxxxx>


- 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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