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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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ccids	[DCCP] options: Make dccp_insert_options & friends yell on error	19 years ago
Kconfig	[DCCP] ipv6: Add missing ipv6 control socket	19 years ago
Makefile	[DCCP]: Move the IPv4 specific bits from proto.c to ipv4.c	19 years ago
ackvec.c	[DCCP] options: Make dccp_insert_options & friends yell on error	19 years ago
ackvec.h	[DCCP] ackvec: Introduce ack vector records	19 years ago
ccid.c	[DCCP] CCID: Improve CCID infrastructure	19 years ago
ccid.h	[DCCP] options: Make dccp_insert_options & friends yell on error	19 years ago
dccp.h	[DCCP] minisock: Rename struct dccp_options to struct dccp_minisock	19 years ago
diag.c	[DCCP] minisock: Rename struct dccp_options to struct dccp_minisock	19 years ago
feat.c	[DCCP] feat: Pass dccp_minisock ptr where only the minisock is used	19 years ago
feat.h	[DCCP] feat: Pass dccp_minisock ptr where only the minisock is used	19 years ago
input.c	[DCCP] minisock: Rename struct dccp_options to struct dccp_minisock	19 years ago
ipv4.c	[NET]: Identation & other cleanups related to compat_[gs]etsockopt cset	19 years ago
ipv6.c	[NET]: Identation & other cleanups related to compat_[gs]etsockopt cset	19 years ago
ipv6.h	[DCCP]: Introduce DCCPv6	19 years ago
minisocks.c	[DCCP] minisock: Rename struct dccp_options to struct dccp_minisock	19 years ago
options.c	[DCCP] minisock: Rename struct dccp_options to struct dccp_minisock	19 years ago
output.c	[DCCP] options: Make dccp_insert_options & friends yell on error	19 years ago
proto.c	[PATCH] POLLRDHUP/EPOLLRDHUP handling for half-closed devices notifications	19 years ago
sysctl.c	[DCCP] feat: Introduce sysctls for the default features	19 years ago
timer.c	[DCCP]: Generalize dccp_v4_send_reset	19 years ago