=for apidoc AmU||XS
Macro to declare an XSUB and its C parameter list. This is handled by
-C<xsubpp>.
+C<xsubpp>. It is the same as using the more explicit XS_EXTERNAL macro.
+
+=for apidoc AmU||XS_INTERNAL
+Macro to declare an XSUB and its C parameter list without exporting the symbols.
+This is handled by C<xsubpp> and generally preferable over exporting the XSUB
+symbols unnecessarily.
+
+=for apidoc AmU||XS_EXTERNAL
+Macro to declare an XSUB and its C parameter list explicitly exporting the symbols.
=for apidoc Ams||dAX
Sets up the C<ax> variable.
=for apidoc Ams||dUNDERBAR
Sets up any variable needed by the C<UNDERBAR> macro. It used to define
-C<padoff_du>, but it is currently a noop. However, it is strongly adviced
+C<padoff_du>, but it is currently a noop. However, it is strongly advised
to still use it for ensuring past and future compatibility.
=for apidoc AmU||UNDERBAR
* Don't forget to change the __attribute__unused__ version of XS()
* below too if you change XSPROTO() here.
*/
+
+/* XS_INTERNAL is the explicit static-linkage variant of the default
+ * XS macro.
+ *
+ * XS_EXTERNAL is the same as XS_INTERNAL except it does not include
+ * "STATIC", ie. it exports XSUB symbols. You probably don't want that.
+ */
+
#define XSPROTO(name) void name(pTHX_ CV* cv)
#undef XS
+#undef XS_EXTERNAL
+#undef XS_INTERNAL
#if defined(__CYGWIN__) && defined(USE_DYNAMIC_LOADING)
-# define XS(name) __declspec(dllexport) XSPROTO(name)
+# define XS_EXTERNAL(name) __declspec(dllexport) XSPROTO(name)
+# define XS_INTERNAL(name) STATIC XSPROTO(name)
#endif
#if defined(__SYMBIAN32__)
-# define XS(name) EXPORT_C XSPROTO(name)
+# define XS_EXTERNAL(name) EXPORT_C XSPROTO(name)
+# define XS_INTERNAL(name) EXPORT_C STATIC XSPROTO(name)
#endif
-#ifndef XS
+#ifndef XS_EXTERNAL
# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
-# define XS(name) void name(pTHX_ CV* cv __attribute__unused__)
+# define XS_EXTERNAL(name) void name(pTHX_ CV* cv __attribute__unused__)
+# define XS_INTERNAL(name) STATIC void name(pTHX_ CV* cv __attribute__unused__)
# else
# ifdef __cplusplus
-# define XS(name) extern "C" XSPROTO(name)
+# define XS_EXTERNAL(name) extern "C" XSPROTO(name)
+# define XS_INTERNAL(name) static XSPROTO(name)
# else
-# define XS(name) XSPROTO(name)
+# define XS_EXTERNAL(name) XSPROTO(name)
+# define XS_INTERNAL(name) STATIC XSPROTO(name)
# endif
# endif
#endif
+/* We do export xsub symbols by default for the public XS macro.
+ * Try explicitly using XS_INTERNAL/XS_EXTERNAL instead, please. */
+#define XS(name) XS_EXTERNAL(name)
+
#define dAX const I32 ax = (I32)(MARK - PL_stack_base + 1)
#define dAXMARK \
#endif
#define XS_APIVERSION_BOOTCHECK \
- STMT_START { \
- SV *_xpt = NULL; \
- SV *_compver = Perl_newSVpv(aTHX_ "v" PERL_API_VERSION_STRING, 0); \
- SV *_runver = new_version(PL_apiversion); \
- _compver = upg_version(_compver, 0); \
- if (vcmp(_compver, _runver)) { \
- _xpt = Perl_newSVpvf(aTHX_ "Perl API version %"SVf \
- " of %s does not match %"SVf, \
- SVfARG(Perl_sv_2mortal(aTHX_ vstringify(_compver))), \
- SvPV_nolen_const(ST(0)), \
- SVfARG(Perl_sv_2mortal(aTHX_ vstringify(_runver)))); \
- Perl_sv_2mortal(aTHX_ _xpt); \
- } \
- SvREFCNT_dec(_compver); \
- SvREFCNT_dec(_runver); \
- if (_xpt) \
- Perl_croak_sv(aTHX_ _xpt); \
- } STMT_END
+ Perl_xs_apiversion_bootcheck(aTHX_ ST(0), STR_WITH_LEN("v" PERL_API_VERSION_STRING))
#ifdef NO_XSLOCKS
# define dXCPT dJMPENV; int rEtV = 0
# define VTBL_sv &PL_vtbl_sv
# define VTBL_env &PL_vtbl_env
# define VTBL_envelem &PL_vtbl_envelem
-# define VTBL_sig &PL_vtbl_sig
# define VTBL_sigelem &PL_vtbl_sigelem
# define VTBL_pack &PL_vtbl_pack
# define VTBL_packelem &PL_vtbl_packelem
* Local variables:
* c-indentation-style: bsd
* c-basic-offset: 4
- * indent-tabs-mode: t
+ * indent-tabs-mode: nil
* End:
*
- * ex: set ts=8 sts=4 sw=4 noet:
+ * ex: set ts=8 sts=4 sw=4 et:
*/