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@node sigtimedwait
@section @code{sigtimedwait}
@findex sigtimedwait
POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/sigtimedwait.html}
Gnulib module: ---
Portability problems fixed by Gnulib:
@itemize
@end itemize
Portability problems not fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
macOS 11.1, OpenBSD 6.7, Minix 3.1.8, Cygwin 2.9, mingw, MSVC 14, Android 5.1.
@item
Linux implements the meaning of NULL timeout by doing what @code{sigwaitinfo}
does; other platforms may not do the same.
@end itemize
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