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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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arch-v10	[PATCH] cris: fix KSTK_EIP	19 years ago
arch-v32	[PATCH] cris: fix KSTK_EIP	19 years ago
a.out.h	Linux-2.6.12-rc2	20 years ago
atomic.h	[PATCH] mutex subsystem, add atomic_xchg() to all arches	19 years ago
auxvec.h	[PATCH] auxiliary vector cleanups	20 years ago
axisflashmap.h	[PATCH] CRIS update: misc patches	20 years ago
bitops.h	[PATCH] include/asm-*/bitops.h: fix more "~0UL >> size" typos	19 years ago
bug.h	Linux-2.6.12-rc2	20 years ago
bugs.h	Linux-2.6.12-rc2	20 years ago
byteorder.h	Linux-2.6.12-rc2	20 years ago
cache.h	Linux-2.6.12-rc2	20 years ago
cacheflush.h	Linux-2.6.12-rc2	20 years ago
checksum.h	[PATCH] cris: "extern inline" -> "static inline"	20 years ago
cputime.h	Linux-2.6.12-rc2	20 years ago
current.h	[PATCH] cris: "extern inline" -> "static inline"	20 years ago
delay.h	[PATCH] cris: "extern inline" -> "static inline"	20 years ago
div64.h	Linux-2.6.12-rc2	20 years ago
dma-mapping.h	[PATCH] Kill L1_CACHE_SHIFT_MAX	19 years ago
dma.h	[PATCH] CRIS update: pci	20 years ago
elf.h	[PATCH] CRIS update: arch split	20 years ago
emergency-restart.h	[PATCH] Add emergency_restart()	20 years ago
errno.h	Linux-2.6.12-rc2	20 years ago
eshlibld.h	Linux-2.6.12-rc2	20 years ago
ethernet.h	Linux-2.6.12-rc2	20 years ago
etraxgpio.h	[PATCH] CRIS update: arch split	20 years ago
etraxi2c.h	Linux-2.6.12-rc2	20 years ago
fasttimer.h	Linux-2.6.12-rc2	20 years ago
fcntl.h	[PATCH] Clean up struct flock64 definitions	20 years ago
futex.h	[PATCH] consolidate asm/futex.h	19 years ago
hardirq.h	[PATCH] CRIS update: IRQ	20 years ago
hw_irq.h	[PATCH] CRIS update: IRQ	20 years ago
ide.h	[PATCH] CRIS update: drivers	20 years ago
io.h	[PATCH] cris: "extern inline" -> "static inline"	20 years ago
ioctl.h	[PATCH] Generic ioctl.h	19 years ago
ioctls.h	Linux-2.6.12-rc2	20 years ago
ipc.h	Linux-2.6.12-rc2	20 years ago
ipcbuf.h	Linux-2.6.12-rc2	20 years ago
irq.h	[PATCH] cris: "extern inline" -> "static inline"	20 years ago
kmap_types.h	[PATCH] CRIS update: updates for 2.6.12	20 years ago
linkage.h	Linux-2.6.12-rc2	20 years ago
local.h	Linux-2.6.12-rc2	20 years ago
mman.h	[PATCH] add asm-generic/mman.h	19 years ago
mmu.h	Linux-2.6.12-rc2	20 years ago
mmu_context.h	[PATCH] CRIS update: SMP	20 years ago
module.h	Linux-2.6.12-rc2	20 years ago
msgbuf.h	Linux-2.6.12-rc2	20 years ago
mutex.h	[PATCH] mutex subsystem, add default include/asm-*/mutex.h files	19 years ago
namei.h	Linux-2.6.12-rc2	20 years ago
page.h	[PATCH] mm: consolidate get_order	20 years ago
param.h	Linux-2.6.12-rc2	20 years ago
pci.h	[PATCH] CRIS update: pci	20 years ago
percpu.h	Linux-2.6.12-rc2	20 years ago
pgalloc.h	[PATCH] cris: "extern inline" -> "static inline"	20 years ago
pgtable.h	[PATCH] cris: "extern inline" -> "static inline"	20 years ago
poll.h	[PATCH] POLLRDHUP/EPOLLRDHUP handling for half-closed devices notifications	19 years ago
posix_types.h	Linux-2.6.12-rc2	20 years ago
processor.h	[PATCH] cris: task_pt_regs()	19 years ago
ptrace.h	[PATCH] CRIS update: profiler	20 years ago
resource.h	Linux-2.6.12-rc2	20 years ago
rs485.h	Linux-2.6.12-rc2	20 years ago
rtc.h	Linux-2.6.12-rc2	20 years ago
scatterlist.h	Linux-2.6.12-rc2	20 years ago
sections.h	Linux-2.6.12-rc2	20 years ago
segment.h	Linux-2.6.12-rc2	20 years ago
semaphore-helper.h	Linux-2.6.12-rc2	20 years ago
semaphore.h	[PATCH] cris: "extern inline" -> "static inline"	20 years ago
sembuf.h	Linux-2.6.12-rc2	20 years ago
setup.h	Linux-2.6.12-rc2	20 years ago
shmbuf.h	Linux-2.6.12-rc2	20 years ago
shmparam.h	Linux-2.6.12-rc2	20 years ago
sigcontext.h	Linux-2.6.12-rc2	20 years ago
siginfo.h	Linux-2.6.12-rc2	20 years ago
signal.h	[PATCH] asm/signal.h unification	20 years ago
smp.h	[PATCH] CRIS update: SMP	20 years ago
socket.h	[NET]: Introduce SO_{SND,RCV}BUFFORCE socket options	20 years ago
sockios.h	Linux-2.6.12-rc2	20 years ago
spinlock.h	[PATCH] CRIS update: SMP	20 years ago
stat.h	Linux-2.6.12-rc2	20 years ago
statfs.h	Linux-2.6.12-rc2	20 years ago
string.h	Linux-2.6.12-rc2	20 years ago
sync_serial.h	[PATCH] CRIS update: synchronous serial port driver	20 years ago
system.h	[PATCH] kill include/linux/platform.h, default_idle() cleanup	19 years ago
termbits.h	[PATCH] CRIS update: synchronous serial port driver	20 years ago
termios.h	Linux-2.6.12-rc2	20 years ago
thread_info.h	[PATCH] death of get_thread_info/put_thread_info	19 years ago
timex.h	[PATCH] cris: "extern inline" -> "static inline"	20 years ago
tlb.h	Linux-2.6.12-rc2	20 years ago
tlbflush.h	[PATCH] cris: "extern inline" -> "static inline"	20 years ago
topology.h	Linux-2.6.12-rc2	20 years ago
types.h	[PATCH] sab: consolidate kmem_bufctl_t	20 years ago
uaccess.h	[PATCH] cris: "extern inline" -> "static inline"	20 years ago
ucontext.h	Linux-2.6.12-rc2	20 years ago
unaligned.h	Linux-2.6.12-rc2	20 years ago
unistd.h	[PATCH] cris: "extern inline" -> "static inline"	20 years ago
user.h	Linux-2.6.12-rc2	20 years ago