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fa915b528c
Similar to the recent select fixes. * m4/pselect.m4 (gl_FUNC_PSELECT): Probe for FreeBSD bug. * lib/pselect.c (rpl_pselect) [!win32]: Work around it. * modules/pselect (Depends-on): Add dup2. * doc/posix-functions/pselect.texi (pselect): Document this.
28 lines
878 B
Plaintext
28 lines
878 B
Plaintext
@node pselect
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@section @code{pselect}
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@findex pselect
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POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/pselect.html}
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Gnulib module: ---
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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 some platforms:
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OpenBSD 3.8, Minix 3.1.8, AIX 5.1, HP-UX 11.23, IRIX 6.5, OSF/1 5.1, Solaris 9, mingw, MSVC 9, Interix 3.5, BeOS.
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@item
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On some platforms, this function fails to detect invalid fds with
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EBADF, but only if they lie beyond the current maximum open fd:
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FreeBSD 8.2.
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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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When the @var{sigmask} argument is nonnull on platforms that do not
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natively support this function, race conditions are possible when its
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gnulib implementation temporarily modifies the signal mask, and the
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behavior is unspecified in a multi-threaded process.
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@end itemize
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