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37 lines
1013 B
Plaintext
37 lines
1013 B
Plaintext
@node call_once
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@subsection @code{call_once}
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@findex call_once
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ISO C23 specification:@* @url{https://www.open-std.org/jtc1/sc22/wg14/www/docs/n3220.pdf} section 7.28.2.1.
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POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9799919799/functions/call_once.html}
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Documentation:@*
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@ifinfo
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@ref{Call Once,,Call Once,libc}.
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@end ifinfo
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@ifnotinfo
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@url{https://www.gnu.org/software/libc/manual/html_node/Call-Once.html}.
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@end ifnotinfo
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Gnulib module: call_once
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@mindex call_once
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Portability problems fixed by Gnulib:
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@itemize
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@item
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This function is missing on many platforms:
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glibc 2.27, macOS 14, FreeBSD 9.3, NetBSD 8.0, OpenBSD 7.5, Minix 3.1.8, AIX 7.1, HP-UX 11.31, Solaris 11.3, Cygwin 3.1.x, mingw, MSVC 14, Android API level 29.
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@end itemize
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Portability problems not fixed by Gnulib:
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@itemize
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@item
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This function makes applications hang forever on some platforms:
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Cygwin 3.5.3.
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@item
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This function does not work on some platforms:
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@c https://dev.haiku-os.org/ticket/18348
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Haiku.
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@end itemize
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