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Subject[PATCH 0/3] signalfd: a kernel interface for dumping pending signals
This patch set adds ability to choose a signal queue and
to read signals without dequeuing them.

Three new flags are added:
SFD_SHARED_QUEUE -- reads will be from process-wide shared signal queue
SFD_PER_THREAD_QUEUE -- reads will be from per-thread signal queue
SFD_PEEK -- don't dequeue signals

Cc: Serge Hallyn <>
Cc: Oleg Nesterov <>
Cc: Andrew Morton <>
Cc: "Eric W. Biederman" <>
Cc: Al Viro <>
Cc: Pavel Emelyanov <>
CC: Cyrill Gorcunov <>
Cc: Michael Kerrisk <>


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