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Davide Libenzi f348d70a32 [PATCH] POLLRDHUP/EPOLLRDHUP handling for half-closed devices notifications ... Implement the half-closed devices notifiation, by adding a new POLLRDHUP (and its alias EPOLLRDHUP) bit to the existing poll/select sets. Since the existing POLLHUP handling, that does not report correctly half-closed devices, was feared to be changed, this implementation leaves the current POLLHUP reporting unchanged and simply add a new bit that is set in the few places where it makes sense. The same thing was discussed and conceptually agreed quite some time ago: http://lkml.org/lkml/2003/7/12/116 Since this new event bit is added to the existing Linux poll infrastruture, even the existing poll/select system calls will be able to use it. As far as the existing POLLHUP handling, the patch leaves it as is. The pollrdhup-2.6.16.rc5-0.10.diff defines the POLLRDHUP for all the existing archs and sets the bit in the six relevant files. The other attached diff is the simple change required to sys/epoll.h to add the EPOLLRDHUP definition. There is "a stupid program" to test POLLRDHUP delivery here: http://www.xmailserver.org/pollrdhup-test.c It tests poll(2), but since the delivery is same epoll(2) will work equally. Signed-off-by: Davide Libenzi <davidel@xmailserver.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Michael Kerrisk <mtk-manpages@gmx.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>		19 years ago
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802	…
8021q	…
appletalk	…
atm	…
ax25	…
bluetooth	[PATCH] POLLRDHUP/EPOLLRDHUP handling for half-closed devices notifications	19 years ago
bridge	…
core	[PATCH] POLLRDHUP/EPOLLRDHUP handling for half-closed devices notifications	19 years ago
dccp	[PATCH] POLLRDHUP/EPOLLRDHUP handling for half-closed devices notifications	19 years ago
decnet	…
econet	…
ethernet	…
ieee80211	…
ipv4	[PATCH] POLLRDHUP/EPOLLRDHUP handling for half-closed devices notifications	19 years ago
ipv6	…
ipx	…
irda	…
key	…
lapb	…
llc	…
netfilter	…
netlink	…
netrom	…
packet	…
rose	…
rxrpc	…
sched	…
sctp	[PATCH] POLLRDHUP/EPOLLRDHUP handling for half-closed devices notifications	19 years ago
sunrpc	…
tipc	…
unix	[PATCH] POLLRDHUP/EPOLLRDHUP handling for half-closed devices notifications	19 years ago
wanrouter	…
x25	…
xfrm	…
Kconfig	…
Makefile	…
TUNABLE	…
compat.c	…
nonet.c	…
socket.c	…
sysctl_net.c	…