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Diffstat (limited to 'dist/ExtUtils-ParseXS/lib/perlxs.pod')
| -rw-r--r-- | dist/ExtUtils-ParseXS/lib/perlxs.pod | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/dist/ExtUtils-ParseXS/lib/perlxs.pod b/dist/ExtUtils-ParseXS/lib/perlxs.pod index 78297c276c..2011ac890a 100644 --- a/dist/ExtUtils-ParseXS/lib/perlxs.pod +++ b/dist/ExtUtils-ParseXS/lib/perlxs.pod @@ -2223,8 +2223,14 @@ handled. If the locale from the user's environment is desired, there should be no need for XS code to set the locale except for C<LC_NUMERIC>, as perl has -already set it up. XS code should avoid changing the locale, as it can -adversely affect other, unrelated, code and may not be thread safe. +already set the others up. XS code should avoid changing the locale, as +it can adversely affect other, unrelated, code and may not be +thread-safe. To minimize problems, the macros +L<perlapi/STORE_LC_NUMERIC_SET_TO_NEEDED>, +L<perlapi/STORE_LC_NUMERIC_FORCE_TO_UNDERLYING>, and +L<perlapi/RESTORE_LC_NUMERIC> should be used to affect any needed +change. + However, some alien libraries that may be called do set it, such as C<Gtk>. This can cause problems for the perl core and other modules. Starting in v5.20.1, calling the function @@ -2234,9 +2240,7 @@ statement that does this: POSIX::setlocale(LC_ALL, POSIX::setlocale(LC_ALL)); -In the event that your XS code may need the underlying C<LC_NUMERIC> -locale, there are macros available to access this; see -L<perlapi/Locale-related functions and macros>. +or use the methods given in L<perlcall>. =back |