+ /*now a stricter check with locking */
+# ifdef PERL_GLOBAL_STRUCT_PRIVATE
+ index = Perl_my_cxt_index(aTHX_ my_cxt_key);
+# else
+ index = *indexp;
+# endif
+ if (index == -1)
+ /* this module hasn't been allocated an index yet */
+# ifdef PERL_GLOBAL_STRUCT_PRIVATE
+ index = PL_my_cxt_index++;
+
+ /* Store the index in a global MY_CXT_KEY string to index mapping
+ * table. This emulates the perl-module static my_cxt_index var on
+ * builds which don't allow static vars */
+ if (PL_my_cxt_keys_size <= index) {
+ int old_size = PL_my_cxt_keys_size;
+ int i;
+ if (PL_my_cxt_keys_size) {
+ IV new_size = PL_my_cxt_keys_size;
+ while (new_size <= index)
+ new_size *= 2;
+ PL_my_cxt_keys = (const char **)PerlMemShared_realloc(
+ PL_my_cxt_keys,
+ new_size * sizeof(const char *));
+ PL_my_cxt_keys_size = new_size;
+ }
+ else {
+ PL_my_cxt_keys_size = 16;
+ PL_my_cxt_keys = (const char **)PerlMemShared_malloc(
+ PL_my_cxt_keys_size * sizeof(const char *));
+ }
+ for (i = old_size; i < PL_my_cxt_keys_size; i++) {
+ PL_my_cxt_keys[i] = 0;
+ }
+ }
+ PL_my_cxt_keys[index] = my_cxt_key;
+# else
+ *indexp = PL_my_cxt_index++;
+ index = *indexp;
+# endif