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signal.7: Add mention of sigaltstack(2). 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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Michael Kerrisk 2008-10-05 07:46:09 +02:00
parent e66d51d1ba
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6
man7/signal.7
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@ -77,6 +77,12 @@ or catch the signal with a
.IR "signal handler" ,
a programmer-defined function that is automatically invoked
when the signal is delivered.
(By default, the signal handler is invoked on the
normal process stack.
It is possible to arrange that the signal handler
uses an alternate stack; see
.BR sigaltstack (2)
for a discussion of how to do this and when it might be useful.)
The signal disposition is a per-process attribute:
in a multithreaded application, the disposition of a