1 /* This file is part of the indirect Perl module.
2 * See http://search.cpan.org/dist/indirect/ */
4 #define PERL_NO_GET_CONTEXT
9 #define __PACKAGE__ "indirect"
10 #define __PACKAGE_LEN__ (sizeof(__PACKAGE__)-1)
12 /* --- Compatibility wrappers ---------------------------------------------- */
23 # define Newx(v, n, c) New(0, v, n, c)
27 # define SvPV_const SvPV
30 #ifndef SvPV_nolen_const
31 # define SvPV_nolen_const SvPV_nolen
35 # define SvPVX_const SvPVX
38 #ifndef SvREFCNT_inc_simple_void_NN
39 # ifdef SvREFCNT_inc_simple_NN
40 # define SvREFCNT_inc_simple_void_NN SvREFCNT_inc_simple_NN
42 # define SvREFCNT_inc_simple_void_NN SvREFCNT_inc
46 #ifndef sv_catpvn_nomg
47 # define sv_catpvn_nomg sv_catpvn
51 # define mPUSHp(P, L) PUSHs(sv_2mortal(newSVpvn((P), (L))))
55 # define mPUSHu(U) PUSHs(sv_2mortal(newSVuv(U)))
59 # define HvNAME_get(H) HvNAME(H)
63 # define HvNAMELEN_get(H) strlen(HvNAME_get(H))
67 # define OP_SIBLING(O) ((O)->op_sibling)
70 #define I_HAS_PERL(R, V, S) (PERL_REVISION > (R) || (PERL_REVISION == (R) && (PERL_VERSION > (V) || (PERL_VERSION == (V) && (PERL_SUBVERSION >= (S))))))
72 #if I_HAS_PERL(5, 10, 0) || defined(PL_parser)
74 # define PL_linestr PL_parser->linestr
77 # define PL_bufptr PL_parser->bufptr
80 # define PL_oldbufptr PL_parser->oldbufptr
82 # ifndef PL_lex_inwhat
83 # define PL_lex_inwhat PL_parser->lex_inwhat
87 # define PL_linestr PL_Ilinestr
90 # define PL_bufptr PL_Ibufptr
93 # define PL_oldbufptr PL_Ioldbufptr
95 # ifndef PL_lex_inwhat
96 # define PL_lex_inwhat PL_Ilex_inwhat
100 #ifndef I_WORKAROUND_REQUIRE_PROPAGATION
101 # define I_WORKAROUND_REQUIRE_PROPAGATION !I_HAS_PERL(5, 10, 1)
104 /* ... Thread safety and multiplicity ...................................... */
106 /* Safe unless stated otherwise in Makefile.PL */
108 # define I_FORKSAFE 1
111 #ifndef I_MULTIPLICITY
112 # if defined(MULTIPLICITY) || defined(PERL_IMPLICIT_CONTEXT)
113 # define I_MULTIPLICITY 1
115 # define I_MULTIPLICITY 0
118 #if I_MULTIPLICITY && !defined(tTHX)
119 # define tTHX PerlInterpreter*
122 #if I_MULTIPLICITY && defined(USE_ITHREADS) && defined(dMY_CXT) && defined(MY_CXT) && defined(START_MY_CXT) && defined(MY_CXT_INIT) && (defined(MY_CXT_CLONE) || defined(dMY_CXT_SV))
123 # define I_THREADSAFE 1
124 # ifndef MY_CXT_CLONE
125 # define MY_CXT_CLONE \
127 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1)); \
128 Copy(INT2PTR(my_cxt_t*, SvUV(my_cxt_sv)), my_cxtp, 1, my_cxt_t); \
129 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
132 # define I_THREADSAFE 0
134 # define dMY_CXT dNOOP
136 # define MY_CXT indirect_globaldata
138 # define START_MY_CXT STATIC my_cxt_t MY_CXT;
140 # define MY_CXT_INIT NOOP
142 # define MY_CXT_CLONE NOOP
145 #if defined(OP_CHECK_MUTEX_LOCK) && defined(OP_CHECK_MUTEX_UNLOCK)
146 # define I_CHECK_MUTEX_LOCK OP_CHECK_MUTEX_LOCK
147 # define I_CHECK_MUTEX_UNLOCK OP_CHECK_MUTEX_UNLOCK
149 # define I_CHECK_MUTEX_LOCK OP_REFCNT_LOCK
150 # define I_CHECK_MUTEX_UNLOCK OP_REFCNT_UNLOCK
153 typedef OP *(*indirect_ck_t)(pTHX_ OP *);
155 #ifdef wrap_op_checker
157 # define indirect_ck_replace(T, NC, OCP) wrap_op_checker((T), (NC), (OCP))
161 STATIC void indirect_ck_replace(pTHX_ OPCODE type, indirect_ck_t new_ck, indirect_ck_t *old_ck_p) {
162 #define indirect_ck_replace(T, NC, OCP) indirect_ck_replace(aTHX_ (T), (NC), (OCP))
165 *old_ck_p = PL_check[type];
166 PL_check[type] = new_ck;
168 I_CHECK_MUTEX_UNLOCK;
173 STATIC void indirect_ck_restore(pTHX_ OPCODE type, indirect_ck_t *old_ck_p) {
174 #define indirect_ck_restore(T, OCP) indirect_ck_restore(aTHX_ (T), (OCP))
177 PL_check[type] = *old_ck_p;
180 I_CHECK_MUTEX_UNLOCK;
183 /* --- Helpers ------------------------------------------------------------- */
185 /* ... Thread-safe hints ................................................... */
187 #if I_WORKAROUND_REQUIRE_PROPAGATION
194 #define I_HINT_STRUCT 1
196 #define I_HINT_CODE(H) ((H)->code)
198 #define I_HINT_FREE(H) { \
199 indirect_hint_t *h = (H); \
200 SvREFCNT_dec(h->code); \
201 PerlMemShared_free(h); \
204 #else /* I_WORKAROUND_REQUIRE_PROPAGATION */
206 typedef SV indirect_hint_t;
208 #define I_HINT_STRUCT 0
210 #define I_HINT_CODE(H) (H)
212 #define I_HINT_FREE(H) SvREFCNT_dec(H);
214 #endif /* !I_WORKAROUND_REQUIRE_PROPAGATION */
218 #define PTABLE_NAME ptable_hints
219 #define PTABLE_VAL_FREE(V) I_HINT_FREE(V)
228 #define ptable_hints_store(T, K, V) ptable_hints_store(aTHX_ (T), (K), (V))
229 #define ptable_hints_free(T) ptable_hints_free(aTHX_ (T))
231 #endif /* I_THREADSAFE */
233 /* Define the op->str ptable here because we need to be able to clean it during
242 } indirect_op_info_t;
244 #define PTABLE_NAME ptable
245 #define PTABLE_VAL_FREE(V) if (V) { Safefree(((indirect_op_info_t *) (V))->buf); Safefree(V); }
254 #define ptable_store(T, K, V) ptable_store(aTHX_ (T), (K), (V))
255 #define ptable_delete(T, K) ptable_delete(aTHX_ (T), (K))
256 #define ptable_clear(T) ptable_clear(aTHX_ (T))
257 #define ptable_free(T) ptable_free(aTHX_ (T))
259 #define MY_CXT_KEY __PACKAGE__ "::_guts" XS_VERSION
263 ptable *tbl; /* It really is a ptable_hints */
274 STATIC SV *indirect_clone(pTHX_ SV *sv, tTHX owner) {
275 #define indirect_clone(S, O) indirect_clone(aTHX_ (S), (O))
283 if (SvTYPE(sv) == SVt_PVHV && HvNAME_get(sv))
286 param.stashes = stashes;
288 param.proto_perl = owner;
290 dupsv = sv_dup(sv, ¶m);
294 SvREFCNT_dec(stashes);
297 return SvREFCNT_inc(dupsv);
300 STATIC void indirect_ptable_clone(pTHX_ ptable_ent *ent, void *ud_) {
302 indirect_hint_t *h1 = ent->val;
305 if (ud->owner == aTHX)
310 h2 = PerlMemShared_malloc(sizeof *h2);
311 h2->code = indirect_clone(h1->code, ud->owner);
312 #if I_WORKAROUND_REQUIRE_PROPAGATION
313 h2->require_tag = PTR2IV(indirect_clone(INT2PTR(SV *, h1->require_tag),
317 #else /* I_HINT_STRUCT */
319 h2 = indirect_clone(h1, ud->owner);
321 #endif /* !I_HINT_STRUCT */
323 ptable_hints_store(ud->tbl, ent->key, h2);
326 STATIC void indirect_thread_cleanup(pTHX_ void *ud) {
329 SvREFCNT_dec(MY_CXT.global_code);
330 MY_CXT.global_code = NULL;
331 ptable_free(MY_CXT.map);
333 ptable_hints_free(MY_CXT.tbl);
337 STATIC int indirect_endav_free(pTHX_ SV *sv, MAGIC *mg) {
338 SAVEDESTRUCTOR_X(indirect_thread_cleanup, NULL);
343 STATIC MGVTBL indirect_endav_vtbl = {
360 #endif /* I_THREADSAFE */
362 #if I_WORKAROUND_REQUIRE_PROPAGATION
363 STATIC IV indirect_require_tag(pTHX) {
364 #define indirect_require_tag() indirect_require_tag(aTHX)
365 const CV *cv, *outside;
370 /* If for some reason the pragma is operational at run-time, try to discover
371 * the current cv in use. */
374 for (si = PL_curstackinfo; si; si = si->si_prev) {
377 for (cxix = si->si_cxix; cxix >= 0; --cxix) {
378 const PERL_CONTEXT *cx = si->si_cxstack + cxix;
380 switch (CxTYPE(cx)) {
383 /* The propagation workaround is only needed up to 5.10.0 and at that
384 * time format and sub contexts were still identical. And even later the
385 * cv members offsets should have been kept the same. */
387 goto get_enclosing_cv;
389 cv = cx->blk_eval.cv;
390 goto get_enclosing_cv;
401 for (outside = CvOUTSIDE(cv); outside; outside = CvOUTSIDE(cv))
406 #endif /* I_WORKAROUND_REQUIRE_PROPAGATION */
408 STATIC SV *indirect_tag(pTHX_ SV *value) {
409 #define indirect_tag(V) indirect_tag(aTHX_ (V))
415 if (SvTYPE(value) >= SVt_PVCV) {
417 SvREFCNT_inc_simple_void_NN(code);
422 h = PerlMemShared_malloc(sizeof *h);
424 # if I_WORKAROUND_REQUIRE_PROPAGATION
425 h->require_tag = indirect_require_tag();
426 # endif /* I_WORKAROUND_REQUIRE_PROPAGATION */
427 #else /* I_HINT_STRUCT */
429 #endif /* !I_HINT_STRUCT */
434 /* We only need for the key to be an unique tag for looking up the value later
435 * Allocated memory provides convenient unique identifiers, so that's why we
436 * use the hint as the key itself. */
437 ptable_hints_store(MY_CXT.tbl, h, h);
439 #endif /* I_THREADSAFE */
441 return newSViv(PTR2IV(h));
444 STATIC SV *indirect_detag(pTHX_ const SV *hint) {
445 #define indirect_detag(H) indirect_detag(aTHX_ (H))
447 #if I_THREADSAFE || I_WORKAROUND_REQUIRE_PROPAGATION
451 h = INT2PTR(indirect_hint_t *, SvIVX(hint));
453 h = ptable_fetch(MY_CXT.tbl, h);
454 #endif /* I_THREADSAFE */
456 #if I_WORKAROUND_REQUIRE_PROPAGATION
457 if (indirect_require_tag() != h->require_tag)
458 return MY_CXT.global_code;
459 #endif /* I_WORKAROUND_REQUIRE_PROPAGATION */
461 return I_HINT_CODE(h);
464 STATIC U32 indirect_hash = 0;
466 STATIC SV *indirect_hint(pTHX) {
467 #define indirect_hint() indirect_hint(aTHX)
473 #if I_HAS_PERL(5, 10, 0) || defined(PL_parser)
478 #ifdef cop_hints_fetch_pvn
479 hint = cop_hints_fetch_pvn(PL_curcop, __PACKAGE__, __PACKAGE_LEN__,
481 #elif I_HAS_PERL(5, 9, 5)
482 hint = Perl_refcounted_he_fetch(aTHX_ PL_curcop->cop_hints_hash,
484 __PACKAGE__, __PACKAGE_LEN__,
489 SV **val = hv_fetch(GvHV(PL_hintgv), __PACKAGE__, __PACKAGE_LEN__, 0);
495 if (hint && SvIOK(hint))
496 return indirect_detag(hint);
499 return MY_CXT.global_code;
503 /* ... op -> source position ............................................... */
505 STATIC void indirect_map_store(pTHX_ const OP *o, STRLEN pos, SV *sv, line_t line) {
506 #define indirect_map_store(O, P, N, L) indirect_map_store(aTHX_ (O), (P), (N), (L))
507 indirect_op_info_t *oi;
512 if (!(oi = ptable_fetch(MY_CXT.map, o))) {
513 Newx(oi, 1, indirect_op_info_t);
514 ptable_store(MY_CXT.map, o, oi);
520 s = SvPV_const(sv, len);
526 if (len > oi->size) {
528 Newx(oi->buf, len, char);
531 Copy(s, oi->buf, len, char);
538 STATIC const indirect_op_info_t *indirect_map_fetch(pTHX_ const OP *o) {
539 #define indirect_map_fetch(O) indirect_map_fetch(aTHX_ (O))
542 return ptable_fetch(MY_CXT.map, o);
545 STATIC void indirect_map_delete(pTHX_ const OP *o) {
546 #define indirect_map_delete(O) indirect_map_delete(aTHX_ (O))
549 ptable_delete(MY_CXT.map, o);
552 /* --- Check functions ----------------------------------------------------- */
554 STATIC int indirect_find(pTHX_ SV *name_sv, const char *line_bufptr, STRLEN *name_pos) {
555 #define indirect_find(NSV, LBP, NP) indirect_find(aTHX_ (NSV), (LBP), (NP))
556 STRLEN name_len, line_len;
557 const char *name, *name_end;
558 const char *line, *line_end;
561 line = SvPV_const(PL_linestr, line_len);
562 line_end = line + line_len;
564 name = SvPV_const(name_sv, name_len);
565 if (name_len >= 1 && *name == '$') {
568 while (line_bufptr < line_end && *line_bufptr != '$')
570 if (line_bufptr >= line_end)
573 name_end = name + name_len;
577 p = ninstr(p, line_end, name, name_end);
580 if (!isALNUM(p[name_len]))
582 /* p points to a word that has name as prefix, skip the rest of the word */
588 *name_pos = p - line;
593 /* ... ck_const ............................................................ */
595 STATIC OP *(*indirect_old_ck_const)(pTHX_ OP *) = 0;
597 STATIC OP *indirect_ck_const(pTHX_ OP *o) {
598 o = indirect_old_ck_const(aTHX_ o);
600 if (indirect_hint()) {
603 if (SvPOK(sv) && (SvTYPE(sv) >= SVt_PV)) {
606 if (indirect_find(sv, PL_oldbufptr, &pos)) {
609 /* If the constant is equal to the current package name, try to look for
610 * a "__PACKAGE__" coming before what we got. We only need to check this
611 * when we already had a match because __PACKAGE__ can only appear in
612 * direct method calls ("new __PACKAGE__" is a syntax error). */
615 && len == (STRLEN) HvNAMELEN_get(PL_curstash)
616 && memcmp(SvPVX(sv), HvNAME_get(PL_curstash), len) == 0) {
618 SV *pkg = sv_newmortal();
619 sv_setpvn(pkg, "__PACKAGE__", sizeof("__PACKAGE__")-1);
621 if (indirect_find(pkg, PL_oldbufptr, &pos_pkg) && pos_pkg < pos) {
627 indirect_map_store(o, pos, sv, CopLINE(&PL_compiling));
633 indirect_map_delete(o);
637 /* ... ck_rv2sv ............................................................ */
639 STATIC OP *(*indirect_old_ck_rv2sv)(pTHX_ OP *) = 0;
641 STATIC OP *indirect_ck_rv2sv(pTHX_ OP *o) {
642 if (indirect_hint()) {
643 OP *op = cUNOPo->op_first;
645 const char *name = NULL;
647 OPCODE type = (OPCODE) op->op_type;
652 GV *gv = cGVOPx_gv(op);
658 if ((PL_opargs[type] & OA_CLASS_MASK) == OA_SVOP) {
659 SV *nsv = cSVOPx_sv(op);
660 if (SvPOK(nsv) && (SvTYPE(nsv) >= SVt_PV))
661 name = SvPV_const(nsv, len);
667 sv = sv_2mortal(newSVpvn("$", 1));
668 sv_catpvn_nomg(sv, name, len);
669 if (!indirect_find(sv, PL_oldbufptr, &pos)) {
670 /* If it failed, retry without the current stash */
671 const char *stash = HvNAME_get(PL_curstash);
672 STRLEN stashlen = HvNAMELEN_get(PL_curstash);
674 if ((len < stashlen + 2) || strnNE(name, stash, stashlen)
675 || name[stashlen] != ':' || name[stashlen+1] != ':') {
676 /* Failed again ? Try to remove main */
679 if ((len < stashlen + 2) || strnNE(name, stash, stashlen)
680 || name[stashlen] != ':' || name[stashlen+1] != ':')
684 sv_setpvn(sv, "$", 1);
686 sv_catpvn_nomg(sv, name + stashlen, len - stashlen);
687 if (!indirect_find(sv, PL_oldbufptr, &pos))
691 o = indirect_old_ck_rv2sv(aTHX_ o);
693 indirect_map_store(o, pos, sv, CopLINE(&PL_compiling));
698 o = indirect_old_ck_rv2sv(aTHX_ o);
700 indirect_map_delete(o);
704 /* ... ck_padany ........................................................... */
706 STATIC OP *(*indirect_old_ck_padany)(pTHX_ OP *) = 0;
708 STATIC OP *indirect_ck_padany(pTHX_ OP *o) {
709 o = indirect_old_ck_padany(aTHX_ o);
711 if (indirect_hint()) {
713 const char *s = PL_oldbufptr, *t = PL_bufptr - 1;
715 while (s < t && isSPACE(*s)) ++s;
716 if (*s == '$' && ++s <= t) {
717 while (s < t && isSPACE(*s)) ++s;
718 while (s < t && isSPACE(*t)) --t;
719 sv = sv_2mortal(newSVpvn("$", 1));
720 sv_catpvn_nomg(sv, s, t - s + 1);
721 indirect_map_store(o, s - SvPVX_const(PL_linestr),
722 sv, CopLINE(&PL_compiling));
727 indirect_map_delete(o);
731 /* ... ck_scope ............................................................ */
733 STATIC OP *(*indirect_old_ck_scope) (pTHX_ OP *) = 0;
734 STATIC OP *(*indirect_old_ck_lineseq)(pTHX_ OP *) = 0;
736 STATIC OP *indirect_ck_scope(pTHX_ OP *o) {
737 OP *(*old_ck)(pTHX_ OP *) = 0;
739 switch (o->op_type) {
740 case OP_SCOPE: old_ck = indirect_old_ck_scope; break;
741 case OP_LINESEQ: old_ck = indirect_old_ck_lineseq; break;
745 if (indirect_hint()) {
746 indirect_map_store(o, PL_oldbufptr - SvPVX_const(PL_linestr),
747 NULL, CopLINE(&PL_compiling));
751 indirect_map_delete(o);
755 /* We don't need to clean the map entries for leave ops because they can only
756 * be created by mutating from a lineseq. */
758 /* ... ck_method ........................................................... */
760 STATIC OP *(*indirect_old_ck_method)(pTHX_ OP *) = 0;
762 STATIC OP *indirect_ck_method(pTHX_ OP *o) {
763 if (indirect_hint()) {
764 OP *op = cUNOPo->op_first;
766 /* Indirect method call is only possible when the method is a bareword, so
767 * don't trip up on $obj->$meth. */
768 if (op && op->op_type == OP_CONST) {
769 const indirect_op_info_t *oi = indirect_map_fetch(op);
777 sv = sv_2mortal(newSVpvn(oi->buf, oi->len));
779 /* Keep the old line so that we really point to the first line of the
783 o = indirect_old_ck_method(aTHX_ o);
784 /* o may now be a method_named */
786 indirect_map_store(o, pos, sv, line);
792 o = indirect_old_ck_method(aTHX_ o);
794 indirect_map_delete(o);
798 /* ... ck_method_named ..................................................... */
800 /* "use foo/no foo" compiles its call to import/unimport directly to a
801 * method_named op. */
803 STATIC OP *(*indirect_old_ck_method_named)(pTHX_ OP *) = 0;
805 STATIC OP *indirect_ck_method_named(pTHX_ OP *o) {
806 if (indirect_hint()) {
812 if (!SvPOK(sv) || (SvTYPE(sv) < SVt_PV))
814 sv = sv_mortalcopy(sv);
816 if (!indirect_find(sv, PL_oldbufptr, &pos))
818 line = CopLINE(&PL_compiling);
820 o = indirect_old_ck_method_named(aTHX_ o);
822 indirect_map_store(o, pos, sv, line);
827 o = indirect_old_ck_method_named(aTHX_ o);
829 indirect_map_delete(o);
833 /* ... ck_entersub ......................................................... */
835 STATIC OP *(*indirect_old_ck_entersub)(pTHX_ OP *) = 0;
837 STATIC OP *indirect_ck_entersub(pTHX_ OP *o) {
838 SV *code = indirect_hint();
840 o = indirect_old_ck_entersub(aTHX_ o);
843 const indirect_op_info_t *moi, *ooi;
849 lop = (LISTOP *) oop;
850 if (!(lop->op_flags & OPf_KIDS))
853 } while (oop->op_type != OP_PUSHMARK);
854 oop = OP_SIBLING(oop);
860 switch (oop->op_type) {
871 if (mop->op_type == OP_METHOD)
872 mop = cUNOPx(mop)->op_first;
873 else if (mop->op_type != OP_METHOD_NAMED)
876 moi = indirect_map_fetch(mop);
880 ooi = indirect_map_fetch(oop);
884 /* When positions are identical, the method and the object must have the
885 * same name. But it also means that it is an indirect call, as "foo->foo"
886 * results in different positions. */
887 if ( moi->line < ooi->line
888 || (moi->line == ooi->line && moi->pos <= ooi->pos)) {
896 file = sv_2mortal(newSVpv(CopFILE(&PL_compiling), 0));
898 file = sv_mortalcopy(CopFILESV(&PL_compiling));
903 mPUSHp(ooi->buf, ooi->len);
904 mPUSHp(moi->buf, moi->len);
909 call_sv(code, G_VOID);
922 STATIC U32 indirect_initialized = 0;
924 STATIC void indirect_teardown(pTHX_ void *root) {
925 if (!indirect_initialized)
935 ptable_free(MY_CXT.map);
938 ptable_hints_free(MY_CXT.tbl);
943 indirect_ck_restore(OP_CONST, &indirect_old_ck_const);
944 indirect_ck_restore(OP_RV2SV, &indirect_old_ck_rv2sv);
945 indirect_ck_restore(OP_PADANY, &indirect_old_ck_padany);
946 indirect_ck_restore(OP_SCOPE, &indirect_old_ck_scope);
947 indirect_ck_restore(OP_LINESEQ, &indirect_old_ck_lineseq);
949 indirect_ck_restore(OP_METHOD, &indirect_old_ck_method);
950 indirect_ck_restore(OP_METHOD_NAMED, &indirect_old_ck_method_named);
951 indirect_ck_restore(OP_ENTERSUB, &indirect_old_ck_entersub);
953 indirect_initialized = 0;
956 STATIC void indirect_setup(pTHX) {
957 #define indirect_setup() indirect_setup(aTHX)
958 if (indirect_initialized)
964 MY_CXT.tbl = ptable_new();
967 MY_CXT.map = ptable_new();
968 MY_CXT.global_code = NULL;
971 indirect_ck_replace(OP_CONST, indirect_ck_const, &indirect_old_ck_const);
972 indirect_ck_replace(OP_RV2SV, indirect_ck_rv2sv, &indirect_old_ck_rv2sv);
973 indirect_ck_replace(OP_PADANY, indirect_ck_padany, &indirect_old_ck_padany);
974 indirect_ck_replace(OP_SCOPE, indirect_ck_scope, &indirect_old_ck_scope);
975 indirect_ck_replace(OP_LINESEQ, indirect_ck_scope, &indirect_old_ck_lineseq);
977 indirect_ck_replace(OP_METHOD, indirect_ck_method,
978 &indirect_old_ck_method);
979 indirect_ck_replace(OP_METHOD_NAMED, indirect_ck_method_named,
980 &indirect_old_ck_method_named);
981 indirect_ck_replace(OP_ENTERSUB, indirect_ck_entersub,
982 &indirect_old_ck_entersub);
985 call_atexit(indirect_teardown, aTHX);
987 call_atexit(indirect_teardown, NULL);
990 indirect_initialized = 1;
993 STATIC U32 indirect_booted = 0;
995 /* --- XS ------------------------------------------------------------------ */
997 MODULE = indirect PACKAGE = indirect
1003 if (!indirect_booted++) {
1006 PERL_HASH(indirect_hash, __PACKAGE__, __PACKAGE_LEN__);
1008 stash = gv_stashpvn(__PACKAGE__, __PACKAGE_LEN__, 1);
1009 newCONSTSUB(stash, "I_THREADSAFE", newSVuv(I_THREADSAFE));
1010 newCONSTSUB(stash, "I_FORKSAFE", newSVuv(I_FORKSAFE));
1023 SV *global_code_dup;
1029 ud.tbl = t = ptable_new();
1030 ud.owner = MY_CXT.owner;
1031 ptable_walk(MY_CXT.tbl, indirect_ptable_clone, &ud);
1032 global_code_dup = indirect_clone(MY_CXT.global_code, MY_CXT.owner);
1036 MY_CXT.map = ptable_new();
1038 MY_CXT.owner = aTHX;
1039 MY_CXT.global_code = global_code_dup;
1041 gv = gv_fetchpv(__PACKAGE__ "::_THREAD_CLEANUP", 0, SVt_PVCV);
1047 if (!av_store(PL_endav, av_len(PL_endav) + 1, (SV *) cv))
1049 sv_magicext((SV *) PL_endav, NULL, PERL_MAGIC_ext, &indirect_endav_vtbl, NULL, 0);
1054 _THREAD_CLEANUP(...)
1057 indirect_thread_cleanup(aTHX_ NULL);
1066 RETVAL = indirect_tag(value);
1076 else if (SvROK(code))
1080 SvREFCNT_dec(MY_CXT.global_code);
1081 MY_CXT.global_code = SvREFCNT_inc(code);