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