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documentation update for mingw socket functions 2008-08-24 Paolo Bonzini <bonzini@gnu.org> * doc/posix-functions/accept.texi: Update mingw problems. * doc/posix-functions/bind.texi: Update mingw problems. * doc/posix-functions/close.texi: Update mingw problems. * doc/posix-functions/connect.texi: Update mingw problems. * doc/posix-functions/getpeername.texi: Update mingw problems. * doc/posix-functions/getsockname.texi: Update mingw problems. * doc/posix-functions/getsockopt.texi: Update mingw problems. * doc/posix-functions/ioctl.texi: Update mingw problems. * doc/posix-functions/listen.texi: Update mingw problems. * doc/posix-functions/recv.texi: Update mingw problems. * doc/posix-functions/recvfrom.texi: Update mingw problems. * doc/posix-functions/select.texi: Update mingw problems. * doc/posix-functions/send.texi: Update mingw problems. * doc/posix-functions/sendto.texi: Update mingw problems. * doc/posix-functions/setsockopt.texi: Update mingw problems. * doc/posix-functions/socket.texi: Update mingw problems.
author Paolo Bonzini <bonzini@gnu.org>
date Mon, 29 Sep 2008 13:23:50 +0200
parents 8cd0f07812b0
children a8bf2f84bb03
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1 @node select
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2 @section @code{select}
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3 @findex select
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4
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5 POSIX specification: @url{http://www.opengroup.org/susv3xsh/select.html}
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6
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7 Gnulib module: sys_select
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8
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9 Portability problems fixed by Gnulib:
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10 @itemize
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11 @item
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12 On Windows platforms (excluding Cygwin), @code{select} can only be
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13 called on descriptors created by the @code{socket} function, not on regular
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14 file descriptors.
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15 @item
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16 On Windows platforms (excluding Cygwin), error codes for @code{accept} are not
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17 placed in @code{errno}, and @code{WSAGetLastError} must be used instead.
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18 @end itemize
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19
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20 Portability problems not fixed by Gnulib:
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21 @itemize
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22 @item
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23 When you call @code{select} with a timeout, some implementations modify the
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24 timeout parameter so that upon return from the function, it contains the
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25 amount of time not slept. Other implementations leave the timeout parameter
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26 unmodified.
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27 @item
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28 On BeOS, @code{select} can only be called on descriptors created by the
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29 @code{socket} function, not on regular file descriptors.
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30 @item
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31 On Linux, when some file descriptor refers to a regular file, @code{select}
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32 may fail, setting @code{errno} to @code{EBADF}.
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33 @end itemize