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(parent: e56d090) | patch
[PATCH] Simpler signal-exit concurrency handling
authorPaul E. McKenney <paulmck@us.ibm.com>
Sun, 8 Jan 2006 09:01:38 +0000 (01:01 -0800)
committerLinus Torvalds <torvalds@g5.osdl.org>
Mon, 9 Jan 2006 04:13:40 +0000 (20:13 -0800)
commit2d89c929078588aa9b9c674ef03ee9aa816b59b8
tree129971e5c75545c53236be294f521ec6e7021a2dtree | snapshot
parente56d090310d7625ecb43a1eeebd479f04affb48bcommit | diff
[PATCH] Simpler signal-exit concurrency handling

Some simplification in checking signal delivery against concurrent exit.
Instead of using get_task_struct_rcu(), which increments the task_struct
reference count, check the reference count after acquiring sighand lock.

Signed-off-by: "Paul E. McKenney" <paulmck@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
kernel/signal.c diff | blob | history
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