Delay destruction of reference return values till the current statement end

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

diff --git a/Magic.xs b/Magic.xs
index e6c2fdfb937b1e3f691af80edbdd896a31cf8921..b810d91f9db40a63c90e9a75711a8861a809967f 100644 (file)
--- a/Magic.xs
+++ b/Magic.xs
@@ -1246,11 +1246,18 @@ static int vmg_cb_call(pTHX_ SV *cb, unsigned int flags, SV *sv, ...) {
  svr = POPs;
  if (SvOK(svr))
   ret = (int) SvIV(svr);
+ if (SvROK(svr))
+  SvREFCNT_inc(svr);
+ else
+  svr = NULL;
  PUTBACK;
 
  FREETMPS;
  LEAVE;
 
+ if (svr && !SvTEMP(svr))
+  sv_2mortal(svr);
+
  if (chain) {
   vmg_dispell_guard_new(*chain);
   *chain = NULL;
@@ -1839,14 +1846,9 @@ static signed char vmg_destruct_level(pTHX) {
 
 #endif /* VMG_THREADSAFE */
 
-static void vmg_teardown(pTHX_ void *interp) {
+static void vmg_teardown(pTHX_ void *param) {
  dMY_CXT;
 
-#if VMG_MULTIPLICITY
- if (aTHX != interp)
-  return;
-#endif
-
 #if VMG_THREADSAFE
  VMG_LOADED_LOCK;
 
@@ -1937,11 +1939,7 @@ static void vmg_setup(pTHX) {
  newCONSTSUB(stash, "VMG_OP_INFO_NAME",    newSVuv(VMG_OP_INFO_NAME));
  newCONSTSUB(stash, "VMG_OP_INFO_OBJECT",  newSVuv(VMG_OP_INFO_OBJECT));
 
-#if VMG_MULTIPLICITY
- call_atexit(vmg_teardown, aTHX);
-#else
  call_atexit(vmg_teardown, NULL);
-#endif
 
  return;
 }