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Diffstat (limited to 'manual/creature.texi')
| -rw-r--r-- | manual/creature.texi | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/manual/creature.texi b/manual/creature.texi index 51bf53a0c2..6b4d42fbe9 100644 --- a/manual/creature.texi +++ b/manual/creature.texi @@ -93,6 +93,20 @@ compiler or linker. @strong{Note:} If you forget to do this, you may get very strange errors at run time. @end defvr +@comment (none) +@comment GNU +@defvr Macro _REENTRANT,_THREAD_SAFE +If you define this macro, reentrant versions of several functions get +declared. Some of the functions is specified in POSIX.1c but many others +are only available on a few other systems or are unique to GNU libc. +The problem is that the standardization of the thread safe C library +interface still is behind. + +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. +@end defvr + We recommend you use @code{_GNU_SOURCE} in new programs. If you don't specify the @samp{-ansi} option to GCC and don't define any of these macros explicitly, the effect is the same as defining @code{_GNU_SOURCE}. |