diff options
Diffstat (limited to 'doc/multithread.texi')
| -rw-r--r-- | doc/multithread.texi | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/doc/multithread.texi b/doc/multithread.texi index b28d1de73c..eef724d2ae 100644 --- a/doc/multithread.texi +++ b/doc/multithread.texi @@ -279,9 +279,16 @@ programs in your package invoke the functions @code{mbrtowc}, @code{mbrtoc32}, and the functions of the @code{regex} module only from a single thread. (The @code{regex} module uses @code{mbrtowc} under the hood.) @item -You may define the C macro @code{GNULIB_WCHAR_SINGLE}, if all the programs in -your package are single-threaded and won't change the locale after it has -been initialized. This macro optimizes the functions @code{mbrtowc} and +You may define the C macro @code{GNULIB_WCHAR_SINGLE_LOCALE}, if all the +programs in your package set the locale early and +@itemize +@item +don't change the locale after it has been initialized, and +@item +don't call locale sensitive functions (@code{mbrtowc}, @code{wcwidth}, etc.@:) +before the locale has been initialized. +@end itemize +This macro optimizes the functions @code{mbrtowc}, @code{mbrtoc32}, and @code{wcwidth}. @item You may define the C macro @code{GNULIB_GETUSERSHELL_SINGLE_THREAD}, if all the |