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doc: Update regarding MSVC 9. * doc/gnulib-intro.texi (Target Platforms): Classify MSVC as "rarely tested". * doc/posix-functions/*.texi: Update with info about MSVC 9. * doc/posix-headers/*.texi: Likewise. * doc/pastposix-functions/*.texi: Likewise. * doc/glibc-functions/*.texi: Likewise. * doc/glibc-headers/*.texi: Likewise.
author Bruno Haible <bruno@clisp.org>
date Sun, 11 Sep 2011 21:56:17 +0200
parents f4cfbb6036d8
children e3c67dcee18f
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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/onlinepubs/9699919799/basedefs/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 The type @code{pid_t} is not defined on some platforms:
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12 MSVC 9.
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13
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14 @item
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15 @samp{O_CLOEXEC}, @samp{O_DIRECTORY}, @samp{O_DSYNC}, @samp{O_NOCTTY},
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16 @samp{O_NOFOLLOW}, @samp{O_RSYNC}, @samp{O_SYNC},
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17 and @samp{O_TTY_INIT} are not defined on some platforms. Gnulib defines
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18 these macros to 0, which is generally safe.
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19
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20 @item
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21 @samp{O_NONBLOCK} is not defined on some platforms. If the
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22 @samp{nonblocking} module is in use, gnulib guarantees a working
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23 non-zero value; otherwise, the gnulib replacement is 0.
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24
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25 @item
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26 @samp{O_EXEC} and @samp{O_SEARCH} are not defined on some platforms.
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27 Gnulib defines these macros to @samp{O_RDONLY}, which is typically 0.
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28
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29 @item
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30 The @samp{O_ACCMODE} mask mistakenly omits @samp{O_SEARCH} and
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31 @samp{O_EXEC} on some platforms:
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32 Cygwin.
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33
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34 @item
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35 @samp{O_BINARY}, @samp{O_TEXT} (not specified by POSIX, but essential for
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36 portability to Woe32 platforms) are defined on some platforms but not on
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37 others.
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38
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39 @item
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40 @samp{O_DIRECT}, @samp{O_NDELAY}, @samp{O_NOATIME},
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41 and @samp{O_NOLINKS} (not specified by POSIX) are defined
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42 on some platforms but not on others.
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44 @item
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45 @samp{FD_CLOEXEC}, @samp{F_DUPFD}, and @samp{F_GETFD} are not defined
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46 on some platforms:
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47 mingw, MSVC 9.
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49 @item
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50 @samp{F_DUPFD_CLOEXEC} is not defined on some platforms:
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51 MacOS X 10.5, FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, AIX 5.1, HP-UX 11,
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52 IRIX 6.5, OSF/1 5.1, Solaris 11 2010-11, Cygwin 1.7.1, mingw, MSVC 9, Interix 3.5,
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53 BeOS.
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54
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55 @item
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56 @samp{AT_FDCWD}, @samp{AT_EACCESS}, @samp{AT_SYMLINK_NOFOLLOW},
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57 @samp{AT_SYMLINK_FOLLOW}, and @samp{AT_REMOVEDIR}
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58 are not defined on many platforms:
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59 glibc 2.3.6, MacOS X 10.5, FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, AIX
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60 5.1, HP-UX 11, IRIX 6.5, OSF/1 5.1, Solaris 8, Cygwin 1.5.x, mingw, MSVC 9, Interix 3.5, BeOS.
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62 @item
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63 @samp{AT_FDCWD} is defined with a value too large for an @code{int} on some
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64 platforms:
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65 Solaris 11 2010-11.
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66 @end itemize
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67
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68 Portability problems not fixed by Gnulib:
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69 @itemize
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70 @item
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71 @samp{F_SETFD}, @samp{F_GETFL}, @samp{F_SETFL}, @samp{F_GETLK},
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72 @samp{F_SETLK}, @samp{F_SETLOKW}, @samp{F_GETOWN}, and @samp{F_SETOWN}
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73 are not defined on some platforms:
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74 mingw, MSVC 9.
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76 @item
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77 @samp{POSIX_FADV_DONTNEED}, @samp{POSIX_FADV_NOREUSE},
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78 @samp{POSIX_FADV_NORMAL}, @samp{POSIX_FADV_RANDOM},
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79 @samp{POSIX_FADV_SEQUENTIAL}, and @samp{POSIX_FADV_WILLNEED} are not
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80 defined on some platforms.
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81 @end itemize