# define SvREFCNT_inc_simple_NN SvREFCNT_inc
#endif
-#ifndef ENTER_with_name
-# define ENTER_with_name(N) ENTER
-#endif
-
-#ifndef LEAVE_with_name
-# define LEAVE_with_name(N) LEAVE
-#endif
-
/* ... Thread safety and multiplicity ...................................... */
#ifndef LT_MULTIPLICITY
typedef struct {
SV *code;
- IV cxreq;
+ IV require_tag;
} lt_hint_t;
#define LT_HINT_STRUCT 1
#if LT_HINT_STRUCT
- h2 = PerlMemShared_malloc(sizeof *h2);
- h2->code = lt_clone(h1->code, ud->owner);
+ h2 = PerlMemShared_malloc(sizeof *h2);
+ h2->code = lt_clone(h1->code, ud->owner);
SvREFCNT_inc(h2->code);
#if LT_WORKAROUND_REQUIRE_PROPAGATION
- h2->cxreq = h1->cxreq;
+ h2->require_tag = PTR2IV(lt_clone(INT2PTR(SV *, h1->require_tag), ud->owner));
#endif
#else /* LT_HINT_STRUCT */
ptable_hints_store(ud->tbl, ent->key, h2);
}
-STATIC void lt_thread_cleanup(pTHX_ void *);
+#include "reap.h"
STATIC void lt_thread_cleanup(pTHX_ void *ud) {
- int *level = ud;
+ dMY_CXT;
- if (*level) {
- *level = 0;
- LEAVE;
- SAVEDESTRUCTOR_X(lt_thread_cleanup, level);
- ENTER;
- } else {
- dMY_CXT;
- PerlMemShared_free(level);
- ptable_hints_free(MY_CXT.tbl);
- }
+ ptable_hints_free(MY_CXT.tbl);
}
#endif /* LT_THREADSAFE */
#if LT_WORKAROUND_REQUIRE_PROPAGATION
STATIC IV lt_require_tag(pTHX) {
#define lt_require_tag() lt_require_tag(aTHX)
- const PERL_SI *si;
-
- for (si = PL_curstackinfo; si; si = si->si_prev) {
- I32 cxix;
-
- for (cxix = si->si_cxix; cxix >= 0; --cxix) {
- const PERL_CONTEXT *cx = si->si_cxstack + cxix;
-
- if (CxTYPE(cx) == CXt_EVAL && cx->blk_eval.old_op_type == OP_REQUIRE)
- return PTR2IV(cx);
+ const CV *cv, *outside;
+
+ cv = PL_compcv;
+
+ if (!cv) {
+ /* If for some reason the pragma is operational at run-time, try to discover
+ * the current cv in use. */
+ const PERL_SI *si;
+
+ for (si = PL_curstackinfo; si; si = si->si_prev) {
+ I32 cxix;
+
+ for (cxix = si->si_cxix; cxix >= 0; --cxix) {
+ const PERL_CONTEXT *cx = si->si_cxstack + cxix;
+
+ switch (CxTYPE(cx)) {
+ case CXt_SUB:
+ case CXt_FORMAT:
+ /* The propagation workaround is only needed up to 5.10.0 and at that
+ * time format and sub contexts were still identical. And even later the
+ * cv members offsets should have been kept the same. */
+ cv = cx->blk_sub.cv;
+ goto get_enclosing_cv;
+ case CXt_EVAL:
+ cv = cx->blk_eval.cv;
+ goto get_enclosing_cv;
+ default:
+ break;
+ }
+ }
}
+
+ cv = PL_main_cv;
}
- return PTR2IV(NULL);
+get_enclosing_cv:
+ for (outside = CvOUTSIDE(cv); outside; outside = CvOUTSIDE(cv))
+ cv = outside;
+
+ return PTR2IV(cv);
}
#endif /* LT_WORKAROUND_REQUIRE_PROPAGATION */
#if LT_HINT_STRUCT
h = PerlMemShared_malloc(sizeof *h);
- h->code = code;
+ h->code = code;
# if LT_WORKAROUND_REQUIRE_PROPAGATION
- h->cxreq = lt_require_tag();
+ h->require_tag = lt_require_tag();
# endif /* LT_WORKAROUND_REQUIRE_PROPAGATION */
#else /* LT_HINT_STRUCT */
h = code;
h = ptable_fetch(MY_CXT.tbl, h);
#endif /* LT_THREADSAFE */
#if LT_WORKAROUND_REQUIRE_PROPAGATION
- if (lt_require_tag() != h->cxreq)
+ if (lt_require_tag() != h->require_tag)
return NULL;
#endif /* LT_WORKAROUND_REQUIRE_PROPAGATION */
if (lt_initialized)
return;
- MY_CXT_INIT;
+ {
+ MY_CXT_INIT;
#if LT_THREADSAFE
- MY_CXT.tbl = ptable_new();
- MY_CXT.owner = aTHX;
+ MY_CXT.tbl = ptable_new();
+ MY_CXT.owner = aTHX;
#endif
- MY_CXT.pp_padsv_saved = 0;
- MY_CXT.default_meth = newSVpvn("TYPEDSCALAR", 11);
- SvREADONLY_on(MY_CXT.default_meth);
+ MY_CXT.pp_padsv_saved = 0;
+ MY_CXT.default_meth = newSVpvn("TYPEDSCALAR", 11);
+ SvREADONLY_on(MY_CXT.default_meth);
+ }
lt_old_ck_padany = PL_check[OP_PADANY];
PL_check[OP_PADANY] = MEMBER_TO_FPTR(lt_ck_padany);
PROTOTYPES: ENABLE
-BOOT:
-{
+BOOT:
+{
if (!lt_booted++) {
HV *stash;
PROTOTYPE: DISABLE
PREINIT:
ptable *t;
- int *level;
SV *cloned_default_meth;
-CODE:
+PPCODE:
{
my_cxt_t ud;
dMY_CXT;
MY_CXT.pp_padsv_saved = 0;
MY_CXT.default_meth = cloned_default_meth;
}
- {
- level = PerlMemShared_malloc(sizeof *level);
- *level = 1;
- LEAVE_with_name("sub");
- SAVEDESTRUCTOR_X(lt_thread_cleanup, level);
- ENTER_with_name("sub");
- }
+ reap(3, lt_thread_cleanup, NULL);
+ XSRETURN(0);
#endif