diff options
Diffstat (limited to 'manual')
| -rw-r--r-- | manual/creature.texi | 22 | ||||
| -rw-r--r-- | manual/filesys.texi | 7 | ||||
| -rw-r--r-- | manual/math.texi | 2 | ||||
| -rw-r--r-- | manual/signal.texi | 9 | ||||
| -rw-r--r-- | manual/startup.texi | 5 |
5 files changed, 12 insertions, 33 deletions
diff --git a/manual/creature.texi b/manual/creature.texi index bbf16b7f27..3c686165f1 100644 --- a/manual/creature.texi +++ b/manual/creature.texi @@ -73,20 +73,6 @@ edition is made available. @end defvr @comment (none) -@comment GNU -@defvr Macro _BSD_SOURCE -If you define this macro, functionality derived from 4.3 BSD Unix is -included as well as the @w{ISO C}, POSIX.1, and POSIX.2 material. -@end defvr - -@comment (none) -@comment GNU -@defvr Macro _SVID_SOURCE -If you define this macro, functionality derived from SVID is -included as well as the @w{ISO C}, POSIX.1, POSIX.2, and X/Open material. -@end defvr - -@comment (none) @comment X/Open @defvr Macro _XOPEN_SOURCE @comment (none) @@ -192,9 +178,9 @@ precedence. @comment GNU @defvr Macro _DEFAULT_SOURCE If you define this macro, most features are included apart from -X/Open, LFS and GNU extensions; the effect is similar to defining -@code{_POSIX_C_SOURCE} to @code{200809L} and @code{_POSIX_SOURCE}, -@code{_SVID_SOURCE}, and @code{_BSD_SOURCE} to 1. Defining this +X/Open, LFS and GNU extensions: the effect is to enable features from +the 2008 edition of POSIX, as well as certain BSD and SVID features +without a separate feature test macro to control them. Defining this macro, on its own and without using compiler options such as @option{-ansi} or @option{-std=c99}, has the same effect as not defining any feature test macros; defining it together with other @@ -229,4 +215,4 @@ it is harmless to define in addition a feature test macro for a subset of those features. For example, if you define @code{_POSIX_C_SOURCE}, then defining @code{_POSIX_SOURCE} as well has no effect. Likewise, if you define @code{_GNU_SOURCE}, then defining either @code{_POSIX_SOURCE} or -@code{_POSIX_C_SOURCE} or @code{_SVID_SOURCE} as well has no effect. +@code{_POSIX_C_SOURCE} as well has no effect. diff --git a/manual/filesys.texi b/manual/filesys.texi index 1c9d7d7707..9bf5baf2c2 100644 --- a/manual/filesys.texi +++ b/manual/filesys.texi @@ -893,7 +893,7 @@ seeing this value in a @code{ftw} callback function means the referenced file does not exist. The situation for @code{nftw} is different. This value is only available if the program is compiled with -@code{_BSD_SOURCE} or @code{_XOPEN_EXTENDED} defined before including +@code{_XOPEN_EXTENDED} defined before including the first header. The original SVID systems do not have symbolic links. @end vtable @@ -2553,8 +2553,9 @@ the file's modification time onto disk reliably (the idea being that no-one cares for a swap file). This bit is only available on BSD systems (and those derived from -them). Therefore one has to use the @code{_BSD_SOURCE} feature select -macro to get the definition (@pxref{Feature Test Macros}). +them). Therefore one has to use the @code{_GNU_SOURCE} feature select +macro, or not define any feature test macros, to get the definition +(@pxref{Feature Test Macros}). @end table The actual bit values of the symbols are listed in the table above diff --git a/manual/math.texi b/manual/math.texi index 152744147c..a884cb7c29 100644 --- a/manual/math.texi +++ b/manual/math.texi @@ -106,7 +106,7 @@ The reciprocal of the square root of two (also the square root of 1/2). @end vtable These constants come from the Unix98 standard and were also available in -4.4BSD; therefore they are only defined if @code{_BSD_SOURCE} or +4.4BSD; therefore they are only defined if @code{_XOPEN_SOURCE=500}, or a more general feature select macro, is defined. The default set of features includes these constants. @xref{Feature Test Macros}. diff --git a/manual/signal.texi b/manual/signal.texi index f0e57ddbe4..51f68b5d3e 100644 --- a/manual/signal.texi +++ b/manual/signal.texi @@ -2141,16 +2141,9 @@ that handler will cause @code{EINTR}. @xref{Flags for Sigaction}. Another way to specify the choice is with the @code{siginterrupt} function. @xref{BSD Handler}. -@c !!! not true now about _BSD_SOURCE When you don't specify with @code{sigaction} or @code{siginterrupt} what a particular handler should do, it uses a default choice. The default -choice in @theglibc{} depends on the feature test macros you have -defined. If you define @code{_BSD_SOURCE} or @code{_GNU_SOURCE} before -calling @code{signal}, the default is to resume primitives; otherwise, -the default is to make them fail with @code{EINTR}. (The library -contains alternate versions of the @code{signal} function, and the -feature test macros determine which one you really call.) @xref{Feature -Test Macros}. +choice in @theglibc{} is to make primitives fail with @code{EINTR}. @cindex EINTR, and restarting interrupted primitives @cindex restarting interrupted primitives @cindex interrupting primitives diff --git a/manual/startup.texi b/manual/startup.texi index a5d2d2f5e2..9a091a5151 100644 --- a/manual/startup.texi +++ b/manual/startup.texi @@ -379,9 +379,8 @@ reflect automatically in the environment. This also requires that variable is removed from the environment. The same applies of course to dynamically allocated variables which are freed later. -This function is part of the extended Unix interface. Since it was also -available in old SVID libraries you should define either -@var{_XOPEN_SOURCE} or @var{_SVID_SOURCE} before including any header. +This function is part of the extended Unix interface. You should define +@var{_XOPEN_SOURCE} before including any header. @end deftypefun |