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−@node sigaltstack
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−@section @code{sigaltstack}
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−@findex sigaltstack
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−
+
−POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/sigaltstack.html}
+
−
+
−Gnulib module: ---
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−
+
−Portability problems fixed by Gnulib:
+
−@itemize
+
−@end itemize
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−
+
−Portability problems not fixed by Gnulib:
+
−@itemize
+
−@item
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−This function is missing on some platforms:
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−Minix 3.1.8, Cygwin, mingw, MSVC 9, Interix 3.5, BeOS.
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−@item
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−@code{sigaltstack} doesn't work on HP-UX 11/IA-64 and OpenBSD
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−3.6/Sparc64.
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−@item
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−This function interprets the @code{ss_sp} member of @code{stack_t} as
+
−the upper bound instead of the lower bound of the alternate stack on
+
−some platforms:
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−Irix 6.5
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−@end itemize