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annotate doc/posix-headers/fcntl.texi @ 11963:a23404c39980

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Mention affected platforms.
author Bruno Haible <bruno@clisp.org>
date Sun, 06 Sep 2009 21:41:20 +0200
parents 2cf208dc022b
children 98e4db1661cc
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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070329237839 Rename two directories: headers -> posix-headers, functions -> posix-functions.
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1 @node fcntl.h
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2 @section @file{fcntl.h}
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3
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4 POSIX specification: @url{http://www.opengroup.org/susv3xbd/fcntl.h.html}
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5
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6 Gnulib module: fcntl-h
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7
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8 Portability problems fixed by Gnulib:
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9 @itemize
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10 @item
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11 @samp{O_NOCTTY}, @samp{O_DSYNC}, @samp{O_NONBLOCK}, @samp{O_RSYNC},
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12 @samp{O_SYNC}, @samp{O_DIRECTORY}, @samp{O_NOFOLLOW}, and
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13 @samp{O_TTY_INIT} are not defined on some platforms.
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14
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15 @item
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16 @samp{O_BINARY}, @samp{O_TEXT} (not specified by POSIX, but essential for
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17 portability to Woe32 platforms) are defined on some platforms but not on
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18 others.
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19
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20 @item
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21 @samp{O_DIRECT}, @samp{O_NDELAY}, @samp{O_NOATIME},
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22 and @samp{O_NOLINKS} (not specified by POSIX) are defined
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23 on some platforms but not on others.
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24
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25 @item
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26 @samp{FD_CLOEXEC} is not defined on some platforms:
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27 mingw.
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28
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29 @item
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30 @samp{AT_FDCWD}, @samp{AT_EACCESS}, @samp{AT_SYMLINK_NOFOLLOW},
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31 @samp{AT_SYMLINK_FOLLOW}, and @samp{AT_REMOVEDIR}
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32 are not defined on many platforms:
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33 glibc 2.3.6, MacOS X 10.3, FreeBSD 6.0, NetBSD 3.0, OpenBSD 3.8, AIX 5.1, HP-UX 11, IRIX 6.5, OSF/1 5.1, Solaris 8, Cygwin, mingw, Interix 3.5, BeOS.
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34
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35 @item
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36 @samp{AT_FDCWD} is defined with a value too large for an @code{int} on some
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37 platforms:
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38 Solaris 10.
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39 @end itemize
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40
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41 Portability problems not fixed by Gnulib:
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42 @itemize
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43 @item
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44 @samp{O_CLOEXEC} is not defined on some platforms. The gnulib
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45 replacement is not atomic on these platforms.
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46
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47 @item
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48 @samp{O_SEARCH} and @samp{O_EXEC} are not defined
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49 on some platforms.
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51 @item
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52 @samp{F_DUPFD}, @samp{F_DUPFD_CLOEXEC}, @samp{F_GETFD}, and
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53 @samp{F_SETFD} are not defined on some platforms:
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54 mingw
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55
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56 @item
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57 @samp{F_GETFL}, @samp{F_SETFL}, @samp{F_GETLK}, @samp{F_SETLK},
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58 @samp{F_SETLOKW}, @samp{F_GETOWN}, and @samp{F_SETOWN} are not defined
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59 on some platforms.
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60
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61 @item
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62 @samp{POSIX_FADV_DONTNEED}, @samp{POSIX_FADV_NOREUSE},
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63 @samp{POSIX_FADV_NORMAL}, @samp{POSIX_FADV_RANDOM},
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64 @samp{POSIX_FADV_SEQUENTIAL}, and @samp{POSIX_FADV_WILLNEED} are not
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65 defined on some platforms.
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66 @end itemize