Don't even define a CLONE sub when the module isn't thread safe

[perl/modules/Variable-Magic.git] / Magic.xs

diff --git a/Magic.xs b/Magic.xs
index 08c61d23c9c37b61eb65228db5bc0cc196d8170c..5b4576aed6b1da7f3dfdc55e987aeb52495034a3 100644 (file)
--- a/Magic.xs
+++ b/Magic.xs
@@ -694,7 +694,7 @@ STATIC I32 vmg_svt_val(pTHX_ IV action, SV *sv) {
     continue;
    case 2:
     if (!newkey)
-     newkey = key = umg->mg_obj = sv_2mortal(newSVsv(umg->mg_obj));
+     newkey = key = umg->mg_obj = sv_mortalcopy(umg->mg_obj);
   }
   switch (action) {
    case 0:
@@ -971,13 +971,14 @@ BOOT:
  newCONSTSUB(stash, "VMG_THREADSAFE",      newSVuv(VMG_THREADSAFE));
 }
 
+#if VMG_THREADSAFE
+
 void
 CLONE(...)
 PROTOTYPE: DISABLE
 PREINIT:
  HV *hv;
 CODE:
-#if VMG_THREADSAFE
  {
   HE *key;
   dMY_CXT;
@@ -1000,6 +1001,7 @@ CODE:
   MY_CXT_CLONE;
   MY_CXT = hv;
  }
+
 #endif /* VMG_THREADSAFE */
 
 SV *_wizard(...)