#include "perl.h"
#include "XSUB.h"
+#define __PACKAGE__ "indirect"
+#define __PACKAGE_LEN__ (sizeof(__PACKAGE__)-1)
+
+/* --- Compatibility wrappers ---------------------------------------------- */
+
+#ifndef NOOP
+# define NOOP
+#endif
+
+#ifndef dNOOP
+# define dNOOP
+#endif
+
+#ifndef Newx
+# define Newx(v, n, c) New(0, v, n, c)
+#endif
+
#ifndef SvPV_const
# define SvPV_const SvPV
#endif
# define sv_catpvn_nomg sv_catpvn
#endif
+#ifndef mPUSHp
+# define mPUSHp(P, L) PUSHs(sv_2mortal(newSVpvn((P), (L))))
+#endif
+
+#ifndef mPUSHu
+# define mPUSHu(U) PUSHs(sv_2mortal(newSVuv(U)))
+#endif
+
#ifndef HvNAME_get
# define HvNAME_get(H) HvNAME(H)
#endif
# endif
#endif
-/* ... Hints ............................................................... */
+#ifndef I_WORKAROUND_REQUIRE_PROPAGATION
+# define I_WORKAROUND_REQUIRE_PROPAGATION !I_HAS_PERL(5, 10, 1)
+#endif
-STATIC U32 indirect_hash = 0;
+/* ... Thread safety and multiplicity ...................................... */
-STATIC IV indirect_hint(pTHX) {
-#define indirect_hint() indirect_hint(aTHX)
- SV *id;
-#if I_HAS_PERL(5, 10, 0)
- id = Perl_refcounted_he_fetch(aTHX_ PL_curcop->cop_hints_hash,
- NULL,
- "indirect", 8,
- 0,
- indirect_hash);
+#ifndef I_MULTIPLICITY
+# if defined(MULTIPLICITY) || defined(PERL_IMPLICIT_CONTEXT)
+# define I_MULTIPLICITY 1
+# else
+# define I_MULTIPLICITY 0
+# endif
+#endif
+#if I_MULTIPLICITY && !defined(tTHX)
+# define tTHX PerlInterpreter*
+#endif
+
+#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))
+# define I_THREADSAFE 1
+# ifndef MY_CXT_CLONE
+# define MY_CXT_CLONE \
+ dMY_CXT_SV; \
+ my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1)); \
+ Copy(INT2PTR(my_cxt_t*, SvUV(my_cxt_sv)), my_cxtp, 1, my_cxt_t); \
+ sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
+# endif
#else
- SV **val = hv_fetch(GvHV(PL_hintgv), "indirect", 8, indirect_hash);
- if (!val)
- return 0;
- id = *val;
+# define I_THREADSAFE 0
+# undef dMY_CXT
+# define dMY_CXT dNOOP
+# undef MY_CXT
+# define MY_CXT indirect_globaldata
+# undef START_MY_CXT
+# define START_MY_CXT STATIC my_cxt_t MY_CXT;
+# undef MY_CXT_INIT
+# define MY_CXT_INIT NOOP
+# undef MY_CXT_CLONE
+# define MY_CXT_CLONE NOOP
+#endif
+
+/* --- Helpers ------------------------------------------------------------- */
+
+/* ... Thread-safe hints ................................................... */
+
+/* If any of those are true, we need to store the hint in a global table. */
+
+#if I_THREADSAFE || I_WORKAROUND_REQUIRE_PROPAGATION
+
+typedef struct {
+ SV *code;
+#if I_WORKAROUND_REQUIRE_PROPAGATION
+ I32 requires;
+#endif
+} indirect_hint_t;
+
+#define PTABLE_NAME ptable_hints
+
+#define PTABLE_VAL_FREE(V) \
+ { indirect_hint_t *h = (V); SvREFCNT_dec(h->code); PerlMemShared_free(h); }
+
+#define pPTBL pTHX
+#define pPTBL_ pTHX_
+#define aPTBL aTHX
+#define aPTBL_ aTHX_
+
+#include "ptable.h"
+
+#define ptable_hints_store(T, K, V) ptable_hints_store(aTHX_ (T), (K), (V))
+#define ptable_hints_free(T) ptable_hints_free(aTHX_ (T))
+
+#endif /* I_THREADSAFE || I_WORKAROUND_REQUIRE_PROPAGATION */
+
+/* Define the op->str ptable here because we need to be able to clean it during
+ * thread cleanup. */
+
+typedef struct {
+ const char *pos;
+ char *buf;
+ STRLEN len, size;
+ line_t line;
+} indirect_op_info_t;
+
+#define PTABLE_NAME ptable
+#define PTABLE_VAL_FREE(V) if (V) { Safefree(((indirect_op_info_t *) (V))->buf); Safefree(V); }
+
+#define pPTBL pTHX
+#define pPTBL_ pTHX_
+#define aPTBL aTHX
+#define aPTBL_ aTHX_
+
+#include "ptable.h"
+
+#define ptable_store(T, K, V) ptable_store(aTHX_ (T), (K), (V))
+#define ptable_clear(T) ptable_clear(aTHX_ (T))
+#define ptable_free(T) ptable_free(aTHX_ (T))
+
+#define MY_CXT_KEY __PACKAGE__ "::_guts" XS_VERSION
+
+typedef struct {
+#if I_THREADSAFE || I_WORKAROUND_REQUIRE_PROPAGATION
+ ptable *tbl; /* It really is a ptable_hints */
#endif
- return (id && SvOK(id) && SvIOK(id)) ? SvIV(id) : 0;
+ ptable *map;
+ const char *linestr;
+#if I_THREADSAFE
+ tTHX owner;
+#endif
+} my_cxt_t;
+
+START_MY_CXT
+
+#if I_THREADSAFE
+
+STATIC SV *indirect_clone(pTHX_ SV *sv, tTHX owner) {
+#define indirect_clone(S, O) indirect_clone(aTHX_ (S), (O))
+ CLONE_PARAMS param;
+ AV *stashes = NULL;
+ SV *dupsv;
+
+ if (SvTYPE(sv) == SVt_PVHV && HvNAME_get(sv))
+ stashes = newAV();
+
+ param.stashes = stashes;
+ param.flags = 0;
+ param.proto_perl = owner;
+
+ dupsv = sv_dup(sv, ¶m);
+
+ if (stashes) {
+ av_undef(stashes);
+ SvREFCNT_dec(stashes);
+ }
+
+ return SvREFCNT_inc(dupsv);
}
-/* ... op -> source position ............................................... */
+STATIC void indirect_ptable_clone(pTHX_ ptable_ent *ent, void *ud_) {
+ my_cxt_t *ud = ud_;
+ indirect_hint_t *h1 = ent->val;
+ indirect_hint_t *h2 = PerlMemShared_malloc(sizeof *h2);
-STATIC HV *indirect_map = NULL;
-STATIC const char *indirect_linestr = NULL;
+ *h2 = *h1;
-/* We need (CHAR_BIT * sizeof(UV)) / 4 + 1 chars, but it's just better to take
- * a power of two */
-#define OP2STR_BUF char buf[(CHAR_BIT * sizeof(UV)) / 2]
-#define OP2STR(O) (sprintf(buf, "%"UVxf, PTR2UV(O)))
+ if (ud->owner != aTHX)
+ h2->code = indirect_clone(h1->code, ud->owner);
-STATIC void indirect_map_store(pTHX_ const OP *o, const char *src, SV *sv) {
-#define indirect_map_store(O, S, N) indirect_map_store(aTHX_ (O), (S), (N))
- OP2STR_BUF;
- const char *pl_linestr;
- SV *val;
+ ptable_hints_store(ud->tbl, ent->key, h2);
+ SvREFCNT_inc(h2->code);
+}
- /* When lex_inwhat is set, we're in a quotelike environment (qq, qr, but not q)
- * In this case the linestr has temporarly changed, but the old buffer should
- * still be alive somewhere. */
+STATIC void indirect_thread_cleanup(pTHX_ void *);
+
+STATIC void indirect_thread_cleanup(pTHX_ void *ud) {
+ int *level = ud;
+
+ if (*level) {
+ *level = 0;
+ LEAVE;
+ SAVEDESTRUCTOR_X(indirect_thread_cleanup, level);
+ ENTER;
+ } else {
+ dMY_CXT;
+ PerlMemShared_free(level);
+ ptable_free(MY_CXT.map);
+ ptable_hints_free(MY_CXT.tbl);
+ }
+}
- if (!PL_lex_inwhat) {
- pl_linestr = SvPVX_const(PL_linestr);
- if (indirect_linestr != pl_linestr) {
- hv_clear(indirect_map);
- indirect_linestr = pl_linestr;
+#endif /* I_THREADSAFE */
+
+#if I_THREADSAFE || I_WORKAROUND_REQUIRE_PROPAGATION
+
+STATIC SV *indirect_tag(pTHX_ SV *value) {
+#define indirect_tag(V) indirect_tag(aTHX_ (V))
+ indirect_hint_t *h;
+ dMY_CXT;
+
+ value = SvOK(value) && SvROK(value) ? SvRV(value) : NULL;
+
+ h = PerlMemShared_malloc(sizeof *h);
+ h->code = SvREFCNT_inc(value);
+
+#if I_WORKAROUND_REQUIRE_PROPAGATION
+ {
+ const PERL_SI *si;
+ I32 requires = 0;
+
+ 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)
+ ++requires;
+ }
}
+
+ h->requires = requires;
}
+#endif
+
+ /* We only need for the key to be an unique tag for looking up the value later.
+ * Allocated memory provides convenient unique identifiers, so that's why we
+ * use the value pointer as the key itself. */
+ ptable_hints_store(MY_CXT.tbl, value, h);
- val = newSVsv(sv);
- SvUPGRADE(val, SVt_PVIV);
- SvUVX(val) = PTR2UV(src);
- SvIOK_on(val);
- SvIsUV_on(val);
- if (!hv_store(indirect_map, buf, OP2STR(o), val, 0)) SvREFCNT_dec(val);
+ return newSVuv(PTR2UV(value));
}
-STATIC const char *indirect_map_fetch(pTHX_ const OP *o, SV ** const name) {
-#define indirect_map_fetch(O, S) indirect_map_fetch(aTHX_ (O), (S))
- OP2STR_BUF;
- SV **val;
+STATIC SV *indirect_detag(pTHX_ const SV *hint) {
+#define indirect_detag(H) indirect_detag(aTHX_ (H))
+ indirect_hint_t *h;
+ dMY_CXT;
- if (indirect_linestr != SvPVX_const(PL_linestr))
+ if (!(hint && SvOK(hint) && SvIOK(hint)))
return NULL;
- val = hv_fetch(indirect_map, buf, OP2STR(o), 0);
- if (!val) {
- *name = NULL;
- return NULL;
+ h = ptable_fetch(MY_CXT.tbl, INT2PTR(void *, SvUVX(hint)));
+
+#if I_WORKAROUND_REQUIRE_PROPAGATION
+ {
+ const PERL_SI *si;
+ I32 requires = 0;
+
+ 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
+ && ++requires > h->requires)
+ return NULL;
+ }
+ }
}
+#endif
- *name = *val;
- return INT2PTR(const char *, SvUVX(*val));
+ return h->code;
}
-STATIC void indirect_map_delete(pTHX_ const OP *o) {
-#define indirect_map_delete(O) indirect_map_delete(aTHX_ (O))
- OP2STR_BUF;
+#else
+
+STATIC SV *indirect_tag(pTHX_ SV *value) {
+#define indirect_tag(V) indirect_tag(aTHX_ (V))
+ UV tag = 0;
- (void)hv_delete(indirect_map, buf, OP2STR(o), G_DISCARD);
+ if (SvOK(value) && SvROK(value)) {
+ value = SvRV(value);
+ SvREFCNT_inc(value);
+ tag = PTR2UV(value);
+ }
+
+ return newSVuv(tag);
}
-STATIC void indirect_map_clean_kids(pTHX_ const OP *o) {
-#define indirect_map_clean_kids(O) indirect_map_clean_kids(aTHX_ (O))
- if (o->op_flags & OPf_KIDS) {
- const OP *kid = ((const UNOP *) o)->op_first;
- for (; kid; kid = kid->op_sibling) {
- indirect_map_clean_kids(kid);
- indirect_map_delete(kid);
+#define indirect_detag(H) (((H) && SvOK(H)) ? INT2PTR(SV *, SvUVX(H)) : NULL)
+
+#endif /* I_THREADSAFE || I_WORKAROUND_REQUIRE_PROPAGATION */
+
+STATIC U32 indirect_hash = 0;
+
+STATIC SV *indirect_hint(pTHX) {
+#define indirect_hint() indirect_hint(aTHX)
+ SV *hint;
+
+ if (IN_PERL_RUNTIME)
+ return NULL;
+
+#if I_HAS_PERL(5, 9, 5)
+ hint = Perl_refcounted_he_fetch(aTHX_ PL_curcop->cop_hints_hash,
+ NULL,
+ __PACKAGE__, __PACKAGE_LEN__,
+ 0,
+ indirect_hash);
+#else
+ {
+ SV **val = hv_fetch(GvHV(PL_hintgv), __PACKAGE__, __PACKAGE_LEN__,
+ indirect_hash);
+ if (!val)
+ return 0;
+ hint = *val;
+ }
+#endif
+ return indirect_detag(hint);
+}
+
+/* ... op -> source position ............................................... */
+
+STATIC void indirect_map_store(pTHX_ const OP *o, const char *src, SV *sv, line_t line) {
+#define indirect_map_store(O, S, N, L) indirect_map_store(aTHX_ (O), (S), (N), (L))
+ indirect_op_info_t *oi;
+ const char *s;
+ STRLEN len;
+ dMY_CXT;
+
+ /* When lex_inwhat is set, we're in a quotelike environment (qq, qr, but not q)
+ * In this case the linestr has temporarly changed, but the old buffer should
+ * still be alive somewhere. */
+
+ if (!PL_lex_inwhat) {
+ const char *pl_linestr = SvPVX_const(PL_linestr);
+ if (MY_CXT.linestr != pl_linestr) {
+ ptable_clear(MY_CXT.map);
+ MY_CXT.linestr = pl_linestr;
}
}
+
+ if (!(oi = ptable_fetch(MY_CXT.map, o))) {
+ Newx(oi, 1, indirect_op_info_t);
+ ptable_store(MY_CXT.map, o, oi);
+ oi->buf = NULL;
+ oi->size = 0;
+ }
+
+ s = SvPV_const(sv, len);
+ if (len > oi->size) {
+ Safefree(oi->buf);
+ Newx(oi->buf, len, char);
+ oi->size = len;
+ }
+ Copy(s, oi->buf, len, char);
+ oi->len = len;
+ oi->pos = src;
+ oi->line = line;
}
-STATIC void indirect_map_clean(pTHX_ const OP *o) {
-#define indirect_map_clean(O) indirect_map_clean(aTHX_ (O))
- indirect_map_clean_kids(o);
- indirect_map_delete(o);
+STATIC const indirect_op_info_t *indirect_map_fetch(pTHX_ const OP *o) {
+#define indirect_map_fetch(O) indirect_map_fetch(aTHX_ (O))
+ const indirect_op_info_t *val;
+ dMY_CXT;
+
+ if (MY_CXT.linestr != SvPVX_const(PL_linestr))
+ return NULL;
+
+ return ptable_fetch(MY_CXT.map, o);
}
+STATIC void indirect_map_delete(pTHX_ const OP *o) {
+#define indirect_map_delete(O) indirect_map_delete(aTHX_ (O))
+ dMY_CXT;
+
+ ptable_store(MY_CXT.map, o, NULL);
+}
+
+/* --- Check functions ----------------------------------------------------- */
+
STATIC const char *indirect_find(pTHX_ SV *sv, const char *s) {
#define indirect_find(N, S) indirect_find(aTHX_ (N), (S))
STRLEN len;
if (indirect_hint()) {
SV *sv = cSVOPo_sv;
- if (SvPOK(sv) && (SvTYPE(sv) >= SVt_PV))
- indirect_map_store(o, indirect_find(sv, PL_oldbufptr), sv);
+ if (SvPOK(sv) && (SvTYPE(sv) >= SVt_PV)) {
+ const char *s = indirect_find(sv, PL_oldbufptr);
+ indirect_map_store(o, s, sv, CopLINE(&PL_compiling));
+ return o;
+ }
}
+ indirect_map_delete(o);
return o;
}
}
o = CALL_FPTR(indirect_old_ck_rv2sv)(aTHX_ o);
- indirect_map_store(o, s, sv);
+ indirect_map_store(o, s, sv, CopLINE(&PL_compiling));
return o;
}
done:
- return CALL_FPTR(indirect_old_ck_rv2sv)(aTHX_ o);
+ o = CALL_FPTR(indirect_old_ck_rv2sv)(aTHX_ o);
+
+ indirect_map_delete(o);
+ return o;
}
/* ... ck_padany ........................................................... */
while (s < t && isSPACE(*t)) --t;
sv = sv_2mortal(newSVpvn("$", 1));
sv_catpvn_nomg(sv, s, t - s + 1);
- indirect_map_store(o, s, sv);
+ indirect_map_store(o, s, sv, CopLINE(&PL_compiling));
+ return o;
}
}
+ indirect_map_delete(o);
return o;
}
STATIC OP *indirect_ck_method(pTHX_ OP *o) {
if (indirect_hint()) {
OP *op = cUNOPo->op_first;
+ const indirect_op_info_t *oi = indirect_map_fetch(op);
+ const char *s = NULL;
+ line_t line;
SV *sv;
- const char *s = indirect_map_fetch(op, &sv);
- if (!s) {
+
+ if (oi && (s = oi->pos)) {
+ sv = sv_2mortal(newSVpvn(oi->buf, oi->len));
+ line = oi->line; /* Keep the old line so that we really point to the first */
+ } else {
sv = cSVOPx_sv(op);
if (!SvPOK(sv) || (SvTYPE(sv) < SVt_PV))
goto done;
- sv = sv_mortalcopy(sv);
- s = indirect_find(sv, PL_oldbufptr);
+ sv = sv_mortalcopy(sv);
+ s = indirect_find(sv, PL_oldbufptr);
+ line = CopLINE(&PL_compiling);
}
+
o = CALL_FPTR(indirect_old_ck_method)(aTHX_ o);
/* o may now be a method_named */
- indirect_map_store(o, s, sv);
+
+ indirect_map_store(o, s, sv, line);
return o;
}
done:
- return CALL_FPTR(indirect_old_ck_method)(aTHX_ o);
+ o = CALL_FPTR(indirect_old_ck_method)(aTHX_ o);
+
+ indirect_map_delete(o);
+ return o;
}
/* ... ck_entersub ......................................................... */
-STATIC const char indirect_msg[] = "Indirect call of method \"%s\" on object \"%s\"";
+STATIC int indirect_is_indirect(const indirect_op_info_t *moi, const indirect_op_info_t *ooi) {
+ if (moi->pos > ooi->pos)
+ return 0;
+
+ if (moi->pos == ooi->pos)
+ return moi->len == ooi->len && !memcmp(moi->buf, ooi->buf, moi->len);
+
+ return 1;
+}
STATIC OP *(*indirect_old_ck_entersub)(pTHX_ OP *) = 0;
STATIC OP *indirect_ck_entersub(pTHX_ OP *o) {
- IV hint = indirect_hint();
+ SV *code = indirect_hint();
o = CALL_FPTR(indirect_old_ck_entersub)(aTHX_ o);
- if (hint) {
- const char *mpos, *opos;
- SV *mnamesv, *onamesv;
- OP *mop, *oop;
+ if (code) {
+ const indirect_op_info_t *moi, *ooi;
+ OP *mop, *oop;
LISTOP *lop;
oop = o;
oop = oop->op_sibling;
mop = lop->op_last;
+ if (!oop)
+ goto done;
+
+ switch (oop->op_type) {
+ case OP_CONST:
+ case OP_RV2SV:
+ case OP_PADSV:
+ break;
+ default:
+ goto done;
+ }
+
if (mop->op_type == OP_METHOD)
mop = cUNOPx(mop)->op_first;
else if (mop->op_type != OP_METHOD_NAMED)
goto done;
- mpos = indirect_map_fetch(mop, &mnamesv);
- opos = indirect_map_fetch(oop, &onamesv);
- if (mpos && opos && mpos < opos) {
- const char *mname = SvPV_nolen_const(mnamesv);
- const char *oname = SvPV_nolen_const(onamesv);
- if (hint == 2)
- croak(indirect_msg, mname, oname);
- else
- warn(indirect_msg, mname, oname);
- }
+ moi = indirect_map_fetch(mop);
+ if (!(moi && moi->pos))
+ goto done;
-done:
- indirect_map_clean(o);
+ ooi = indirect_map_fetch(oop);
+ if (!(ooi && ooi->pos))
+ goto done;
+
+ if (indirect_is_indirect(moi, ooi)) {
+ SV *file;
+ dSP;
+
+ ENTER;
+ SAVETMPS;
+
+#ifdef USE_ITHREADS
+ file = sv_2mortal(newSVpv(CopFILE(&PL_compiling), 0));
+#else
+ file = sv_mortalcopy(CopFILESV(&PL_compiling));
+#endif
+
+ PUSHMARK(SP);
+ EXTEND(SP, 4);
+ mPUSHp(ooi->buf, ooi->len);
+ mPUSHp(moi->buf, moi->len);
+ PUSHs(file);
+ mPUSHu(moi->line);
+ PUTBACK;
+
+ call_sv(code, G_VOID);
+
+ PUTBACK;
+
+ FREETMPS;
+ LEAVE;
+ }
}
+done:
return o;
}
MODULE = indirect PACKAGE = indirect
-PROTOTYPES: DISABLE
+PROTOTYPES: ENABLE
BOOT:
{
if (!indirect_initialized++) {
- PERL_HASH(indirect_hash, "indirect", 8);
- indirect_map = newHV();
+ HV *stash;
+
+ MY_CXT_INIT;
+ MY_CXT.map = ptable_new();
+ MY_CXT.linestr = NULL;
+#if I_THREADSAFE || I_WORKAROUND_REQUIRE_PROPAGATION
+ MY_CXT.tbl = ptable_new();
+#endif
+#if I_THREADSAFE
+ MY_CXT.owner = aTHX;
+#endif
+
+ PERL_HASH(indirect_hash, __PACKAGE__, __PACKAGE_LEN__);
+
indirect_old_ck_const = PL_check[OP_CONST];
PL_check[OP_CONST] = MEMBER_TO_FPTR(indirect_ck_const);
indirect_old_ck_rv2sv = PL_check[OP_RV2SV];
PL_check[OP_METHOD] = MEMBER_TO_FPTR(indirect_ck_method);
indirect_old_ck_entersub = PL_check[OP_ENTERSUB];
PL_check[OP_ENTERSUB] = MEMBER_TO_FPTR(indirect_ck_entersub);
+
+ stash = gv_stashpvn(__PACKAGE__, __PACKAGE_LEN__, 1);
+ newCONSTSUB(stash, "I_THREADSAFE", newSVuv(I_THREADSAFE));
}
}
+
+#if I_THREADSAFE
+
+void
+CLONE(...)
+PROTOTYPE: DISABLE
+PREINIT:
+ ptable *t;
+ int *level;
+CODE:
+ {
+ my_cxt_t ud;
+ dMY_CXT;
+ ud.tbl = t = ptable_new();
+ ud.owner = MY_CXT.owner;
+ ptable_walk(MY_CXT.tbl, indirect_ptable_clone, &ud);
+ }
+ {
+ MY_CXT_CLONE;
+ MY_CXT.map = ptable_new();
+ MY_CXT.linestr = NULL;
+ MY_CXT.tbl = t;
+ MY_CXT.owner = aTHX;
+ }
+ {
+ level = PerlMemShared_malloc(sizeof *level);
+ *level = 1;
+ LEAVE;
+ SAVEDESTRUCTOR_X(indirect_thread_cleanup, level);
+ ENTER;
+ }
+
+#endif
+
+SV *
+_tag(SV *value)
+PROTOTYPE: $
+CODE:
+ RETVAL = indirect_tag(value);
+OUTPUT:
+ RETVAL
projects / perl / modules / indirect.git / blobdiff