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@node accept4
@subsection @code{accept4}
@findex accept4
Gnulib module: accept4
Portability problems fixed by Gnulib:
@itemize
@item
This function is missing on many non-glibc platforms:
Mac OS X 10.5, FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, HP-UX 11,
IRIX 6.5, OSF/1 5.1, Solaris 11 2011-11, Cygwin 1.7.1, mingw, MSVC 14, Interix 3.5, BeOS.
But the replacement function is not atomic; this matters in multi-threaded
programs that spawn child processes.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
@item
SOCK_CLOEXEC and SOCK_NONBLOCK may not be defined
as they're also significant to the socket() function.
@end itemize
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