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authorRoland McGrath <roland@redhat.com>2008-07-25 19:45:53 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-26 12:00:09 -0700
commit7bcf6a2ca5f639b038c48711ebe6c4eca2036641 (patch)
tree4219a0725d581310f729d4616361febd700f0574 /arch/s390/oprofile/backtrace.c
parent283d7559e7712f95a05331eb0a85394c6368101b (diff)
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tracehook: get_signal_to_deliver
This defines the tracehook_get_signal() hook to allow tracing code to slip in before normal signal dequeuing. This lays the groundwork for new tracing features that can inject synthetic signals outside the normal queue or control the disposition of delivered signals. The calling convention lets tracehook_get_signal() decide both exactly what will happen and what signal number to report in the handler/exit. Signed-off-by: Roland McGrath <roland@redhat.com> Cc: Oleg Nesterov <oleg@tv-sign.ru> Reviewed-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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