diff options
Diffstat (limited to 'manual')
| -rw-r--r-- | manual/creature.texi | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/manual/creature.texi b/manual/creature.texi index 257f8718b1..5048886292 100644 --- a/manual/creature.texi +++ b/manual/creature.texi @@ -219,15 +219,11 @@ cause them to be disabled. @comment GNU @defvr Macro _REENTRANT @defvrx Macro _THREAD_SAFE -If you define one of these macros, reentrant versions of several functions get -declared. Some of the functions are specified in POSIX.1c but many others -are only available on a few other systems or are unique to @theglibc{}. -The problem is the delay in the standardization of the thread safe C library -interface. - -Unlike on some other systems, no special version of the C library must be -used for linking. There is only one version but while compiling this -it must have been specified to compile as thread safe. +These macros are obsolete. They have the same effect as defining +@code{_POSIX_C_SOURCE} with the value @code{199506L}. + +Some very old C libraries required one of these macros to be defined +for basic functionality (e.g.@: @code{getchar}) to be thread-safe. @end defvr We recommend you use @code{_GNU_SOURCE} in new programs. If you don't |