/* pp_hot.c
*
- * Copyright (c) 1991-2002, Larry Wall
+ * Copyright (c) 1991-2003, Larry Wall
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
/* Hot code. */
+#ifdef USE_5005THREADS
+static void unset_cvowner(pTHX_ void *cvarg);
+#endif /* USE_5005THREADS */
+
PP(pp_const)
{
dSP;
bool lbyte;
STRLEN rlen;
char* rpv = SvPV(right, rlen); /* mg_get(right) happens here */
- bool rbyte = !SvUTF8(right);
+ bool rbyte = !SvUTF8(right), rcopied = FALSE;
if (TARG == right && right != left) {
right = sv_2mortal(newSVpvn(rpv, rlen));
rpv = SvPV(right, rlen); /* no point setting UTF8 here */
+ rcopied = TRUE;
}
if (TARG != left) {
if (lbyte)
sv_utf8_upgrade_nomg(TARG);
else {
+ if (!rcopied)
+ right = sv_2mortal(newSVpvn(rpv, rlen));
sv_utf8_upgrade_nomg(right);
rpv = SvPV(right, rlen);
}
}
}
-PP(pp_dor)
-{
- /* Most of this is lifted straight from pp_defined */
- dSP;
- register SV* sv;
-
- sv = TOPs;
- if (!sv || !SvANY(sv)) {
- --SP;
- RETURNOP(cLOGOP->op_other);
- }
-
- switch (SvTYPE(sv)) {
- case SVt_PVAV:
- if (AvMAX(sv) >= 0 || SvGMAGICAL(sv) || (SvRMAGICAL(sv) && mg_find(sv, PERL_MAGIC_tied)))
- RETURN;
- break;
- case SVt_PVHV:
- if (HvARRAY(sv) || SvGMAGICAL(sv) || (SvRMAGICAL(sv) && mg_find(sv, PERL_MAGIC_tied)))
- RETURN;
- break;
- case SVt_PVCV:
- if (CvROOT(sv) || CvXSUB(sv))
- RETURN;
- break;
- default:
- if (SvGMAGICAL(sv))
- mg_get(sv);
- if (SvOK(sv))
- RETURN;
- }
-
- --SP;
- RETURNOP(cLOGOP->op_other);
-}
-
PP(pp_add)
{
dSP; dATARGET; bool useleft; tryAMAGICbin(add,opASSIGN);
SETs((SV*)av);
RETURN;
}
+ else if (PL_op->op_flags & OPf_MOD
+ && PL_op->op_private & OPpLVAL_INTRO)
+ Perl_croak(aTHX_ PL_no_localize_ref);
}
else {
if (SvTYPE(sv) == SVt_PVAV) {
tryAMAGICunDEREF(to_hv);
hv = (HV*)SvRV(sv);
- if (SvTYPE(hv) != SVt_PVHV)
+ if (SvTYPE(hv) != SVt_PVHV && SvTYPE(hv) != SVt_PVAV)
DIE(aTHX_ "Not a HASH reference");
if (PL_op->op_flags & OPf_REF) {
SETs((SV*)hv);
SETs((SV*)hv);
RETURN;
}
+ else if (PL_op->op_flags & OPf_MOD
+ && PL_op->op_private & OPpLVAL_INTRO)
+ Perl_croak(aTHX_ PL_no_localize_ref);
}
else {
- if (SvTYPE(sv) == SVt_PVHV) {
+ if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) {
hv = (HV*)sv;
if (PL_op->op_flags & OPf_REF) {
SETs((SV*)hv);
}
else {
dTARGET;
+ if (SvTYPE(hv) == SVt_PVAV)
+ hv = avhv_keys((AV*)hv);
if (HvFILL(hv))
Perl_sv_setpvf(aTHX_ TARG, "%"IVdf"/%"IVdf,
(IV)HvFILL(hv), (IV)HvMAX(hv) + 1);
}
}
+STATIC int
+S_do_maybe_phash(pTHX_ AV *ary, SV **lelem, SV **firstlelem, SV **relem,
+ SV **lastrelem)
+{
+ OP *leftop;
+ I32 i;
+
+ leftop = ((BINOP*)PL_op)->op_last;
+ assert(leftop);
+ assert(leftop->op_type == OP_NULL && leftop->op_targ == OP_LIST);
+ leftop = ((LISTOP*)leftop)->op_first;
+ assert(leftop);
+ /* Skip PUSHMARK and each element already assigned to. */
+ for (i = lelem - firstlelem; i > 0; i--) {
+ leftop = leftop->op_sibling;
+ assert(leftop);
+ }
+ if (leftop->op_type != OP_RV2HV)
+ return 0;
+
+ /* pseudohash */
+ if (av_len(ary) > 0)
+ av_fill(ary, 0); /* clear all but the fields hash */
+ if (lastrelem >= relem) {
+ while (relem < lastrelem) { /* gobble up all the rest */
+ SV *tmpstr;
+ assert(relem[0]);
+ assert(relem[1]);
+ /* Avoid a memory leak when avhv_store_ent dies. */
+ tmpstr = sv_newmortal();
+ sv_setsv(tmpstr,relem[1]); /* value */
+ relem[1] = tmpstr;
+ if (avhv_store_ent(ary,relem[0],tmpstr,0))
+ (void)SvREFCNT_inc(tmpstr);
+ if (SvMAGICAL(ary) != 0 && SvSMAGICAL(tmpstr))
+ mg_set(tmpstr);
+ relem += 2;
+ TAINT_NOT;
+ }
+ }
+ if (relem == lastrelem)
+ return 1;
+ return 2;
+}
+
STATIC void
S_do_oddball(pTHX_ HV *hash, SV **relem, SV **firstrelem)
{
if (*relem) {
SV *tmpstr;
- HE *didstore;
-
- if (ckWARN(WARN_MISC)) {
+ if (ckWARN(WARN_MISC)) {
if (relem == firstrelem &&
SvROK(*relem) &&
(SvTYPE(SvRV(*relem)) == SVt_PVAV ||
Perl_warner(aTHX_ packWARN(WARN_MISC),
"Odd number of elements in hash assignment");
}
-
- tmpstr = NEWSV(29,0);
- didstore = hv_store_ent(hash,*relem,tmpstr,0);
- if (SvMAGICAL(hash)) {
- if (SvSMAGICAL(tmpstr))
- mg_set(tmpstr);
- if (!didstore)
- sv_2mortal(tmpstr);
- }
- TAINT_NOT;
+ if (SvTYPE(hash) == SVt_PVAV) {
+ /* pseudohash */
+ tmpstr = sv_newmortal();
+ if (avhv_store_ent((AV*)hash,*relem,tmpstr,0))
+ (void)SvREFCNT_inc(tmpstr);
+ if (SvMAGICAL(hash) && SvSMAGICAL(tmpstr))
+ mg_set(tmpstr);
+ }
+ else {
+ HE *didstore;
+ tmpstr = NEWSV(29,0);
+ didstore = hv_store_ent(hash,*relem,tmpstr,0);
+ if (SvMAGICAL(hash)) {
+ if (SvSMAGICAL(tmpstr))
+ mg_set(tmpstr);
+ if (!didstore)
+ sv_2mortal(tmpstr);
+ }
+ }
+ TAINT_NOT;
}
}
case SVt_PVAV:
ary = (AV*)sv;
magic = SvMAGICAL(ary) != 0;
+ if (PL_op->op_private & OPpASSIGN_HASH) {
+ switch (do_maybe_phash(ary, lelem, firstlelem, relem,
+ lastrelem))
+ {
+ case 0:
+ goto normal_array;
+ case 1:
+ do_oddball((HV*)ary, relem, firstrelem);
+ }
+ relem = lastrelem + 1;
+ break;
+ }
+ normal_array:
av_clear(ary);
av_extend(ary, lastrelem - relem);
i = 0;
(PL_tainted && (pm->op_pmflags & PMf_RETAINT)));
TAINT_NOT;
- PL_reg_match_utf8 = DO_UTF8(TARG);
+ RX_MATCH_UTF8_set(rx, DO_UTF8(TARG));
/* PMdf_USED is set after a ?? matches once */
if (pm->op_pmdynflags & PMdf_USED) {
if (global) {
rx->subbeg = truebase;
rx->startp[0] = s - truebase;
- if (PL_reg_match_utf8) {
+ if (RX_MATCH_UTF8(rx)) {
char *t = (char*)utf8_hop((U8*)s, rx->minlen);
rx->endp[0] = t - truebase;
}
report_evil_fh(PL_last_in_gv, io, PL_op->op_type);
}
if (gimme == G_SCALAR) {
+ /* undef TARG, and push that undefined value */
+ SV_CHECK_THINKFIRST(TARG);
(void)SvOK_off(TARG);
PUSHTARG;
}
}
}
if (gimme == G_SCALAR) {
+ SV_CHECK_THINKFIRST(TARG);
(void)SvOK_off(TARG);
SPAGAIN;
PUSHTARG;
U32 lval = PL_op->op_flags & OPf_MOD || LVRET;
U32 defer = PL_op->op_private & OPpLVAL_DEFER;
SV *sv;
-#ifdef PERL_COPY_ON_WRITE
- U32 hash = (SvIsCOW_shared_hash(keysv)) ? SvUVX(keysv) : 0;
-#else
U32 hash = (SvFAKE(keysv) && SvREADONLY(keysv)) ? SvUVX(keysv) : 0;
-#endif
I32 preeminent = 0;
if (SvTYPE(hv) == SVt_PVHV) {
he = hv_fetch_ent(hv, keysv, lval && !defer, hash);
svp = he ? &HeVAL(he) : 0;
}
+ else if (SvTYPE(hv) == SVt_PVAV) {
+ if (PL_op->op_private & OPpLVAL_INTRO)
+ DIE(aTHX_ "Can't localize pseudo-hash element");
+ svp = avhv_fetch_ent((AV*)hv, keysv, lval && !defer, hash);
+ }
else {
RETPUSHUNDEF;
}
STRLEN maxlen;
char *max = SvPV((SV*)av, maxlen);
if (!SvNIOK(cur) && SvCUR(cur) <= maxlen) {
+#ifndef USE_5005THREADS /* don't risk potential race */
if (SvREFCNT(*itersvp) == 1 && !SvMAGICAL(*itersvp)) {
/* safe to reuse old SV */
sv_setsv(*itersvp, cur);
}
else
+#endif
{
/* we need a fresh SV every time so that loop body sees a
* completely new SV for closures/references to work as
if (cx->blk_loop.iterix > cx->blk_loop.itermax)
RETPUSHNO;
- /* don't risk potential race */
+#ifndef USE_5005THREADS /* don't risk potential race */
if (SvREFCNT(*itersvp) == 1 && !SvMAGICAL(*itersvp)) {
/* safe to reuse old SV */
sv_setiv(*itersvp, cx->blk_loop.iterix++);
}
else
+#endif
{
/* we need a fresh SV every time so that loop body sees a
* completely new SV for closures/references to work as they
I32 oldsave = PL_savestack_ix;
STRLEN slen;
bool doutf8 = FALSE;
+ SV *nsv = Nullsv;
/* known replacement string? */
dstr = (pm->op_pmflags & PMf_CONST) ? POPs : Nullsv;
EXTEND(SP,1);
}
- if (SvIsCOW(TARG))
- sv_force_normal_flags(TARG,0);
+ if (SvFAKE(TARG) && SvREADONLY(TARG))
+ sv_force_normal(TARG);
if (SvREADONLY(TARG)
|| (SvTYPE(TARG) > SVt_PVLV
&& !(SvTYPE(TARG) == SVt_PVGV && SvFAKE(TARG))))
rxtainted |= 2;
TAINT_NOT;
- PL_reg_match_utf8 = DO_UTF8(TARG);
+ RX_MATCH_UTF8_set(rx, DO_UTF8(TARG));
force_it:
if (!pm || !s)
DIE(aTHX_ "panic: pp_subst");
strend = s + len;
- slen = PL_reg_match_utf8 ? utf8_length((U8*)s, (U8*)strend) : len;
+ slen = RX_MATCH_UTF8(rx) ? utf8_length((U8*)s, (U8*)strend) : len;
maxiters = 2 * slen + 10; /* We can match twice at each
position, once with zero-length,
second time with non-zero. */
if (dstr) {
/* replacement needing upgrading? */
if (DO_UTF8(TARG) && !doutf8) {
- SV *nsv = sv_newmortal();
+ nsv = sv_newmortal();
SvSetSV(nsv, dstr);
if (PL_encoding)
sv_recode_to_utf8(nsv, PL_encoding);
/* can do inplace substitution? */
if (c && (I32)clen <= rx->minlen && (once || !(r_flags & REXEC_COPY_STR))
- && !(rx->reganch & ROPT_LOOKBEHIND_SEEN)) {
+ && !(rx->reganch & ROPT_LOOKBEHIND_SEEN)
+ && (!doutf8 || SvUTF8(TARG))) {
if (!CALLREGEXEC(aTHX_ rx, s, strend, orig, 0, TARG, NULL,
r_flags | REXEC_CHECKED))
{
strend = s + (strend - m);
}
m = rx->startp[0] + orig;
- sv_catpvn(dstr, s, m-s);
+ if (doutf8 && !SvUTF8(dstr))
+ sv_catpvn_utf8_upgrade(dstr, s, m - s, nsv);
+ else
+ sv_catpvn(dstr, s, m-s);
s = rx->endp[0] + orig;
if (clen)
sv_catpvn(dstr, c, clen);
break;
} while (CALLREGEXEC(aTHX_ rx, s, strend, orig, s == m,
TARG, NULL, r_flags));
- if (doutf8 && !DO_UTF8(dstr)) {
- SV* nsv = sv_2mortal(newSVpvn(s, strend - s));
-
- sv_utf8_upgrade(nsv);
- sv_catpvn(dstr, SvPVX(nsv), SvCUR(nsv));
- }
+ if (doutf8 && !DO_UTF8(TARG))
+ sv_catpvn_utf8_upgrade(dstr, s, strend - s, nsv);
else
sv_catpvn(dstr, s, strend - s);
(void)SvOOK_off(TARG);
- Safefree(SvPVX(TARG));
+ if (SvLEN(TARG))
+ Safefree(SvPVX(TARG));
SvPVX(TARG) = SvPVX(dstr);
SvCUR_set(TARG, SvCUR(dstr));
SvLEN_set(TARG, SvLEN(dstr));
else {
sub_name = sv_newmortal();
gv_efullname3(sub_name, gv, Nullch);
- DIE(aTHX_ "Undefined subroutine &%s called", SvPVX(sub_name));
+ DIE(aTHX_ "Undefined subroutine &%"SVf" called", sub_name);
}
}
if (!cv)
DIE(aTHX_ "No DBsub routine");
}
+#ifdef USE_5005THREADS
+ /*
+ * First we need to check if the sub or method requires locking.
+ * If so, we gain a lock on the CV, the first argument or the
+ * stash (for static methods), as appropriate. This has to be
+ * inline because for FAKE_THREADS, COND_WAIT inlines code to
+ * reschedule by returning a new op.
+ */
+ MUTEX_LOCK(CvMUTEXP(cv));
+ if (CvFLAGS(cv) & CVf_LOCKED) {
+ MAGIC *mg;
+ if (CvFLAGS(cv) & CVf_METHOD) {
+ if (SP > PL_stack_base + TOPMARK)
+ sv = *(PL_stack_base + TOPMARK + 1);
+ else {
+ AV *av = (AV*)PAD_SVl(0);
+ if (hasargs || !av || AvFILLp(av) < 0
+ || !(sv = AvARRAY(av)[0]))
+ {
+ MUTEX_UNLOCK(CvMUTEXP(cv));
+ DIE(aTHX_ "no argument for locked method call");
+ }
+ }
+ if (SvROK(sv))
+ sv = SvRV(sv);
+ else {
+ STRLEN len;
+ char *stashname = SvPV(sv, len);
+ sv = (SV*)gv_stashpvn(stashname, len, TRUE);
+ }
+ }
+ else {
+ sv = (SV*)cv;
+ }
+ MUTEX_UNLOCK(CvMUTEXP(cv));
+ mg = condpair_magic(sv);
+ MUTEX_LOCK(MgMUTEXP(mg));
+ if (MgOWNER(mg) == thr)
+ MUTEX_UNLOCK(MgMUTEXP(mg));
+ else {
+ while (MgOWNER(mg))
+ COND_WAIT(MgOWNERCONDP(mg), MgMUTEXP(mg));
+ MgOWNER(mg) = thr;
+ DEBUG_S(PerlIO_printf(Perl_debug_log, "%p: pp_entersub lock %p\n",
+ thr, sv));
+ MUTEX_UNLOCK(MgMUTEXP(mg));
+ SAVEDESTRUCTOR_X(Perl_unlock_condpair, sv);
+ }
+ MUTEX_LOCK(CvMUTEXP(cv));
+ }
+ /*
+ * Now we have permission to enter the sub, we must distinguish
+ * four cases. (0) It's an XSUB (in which case we don't care
+ * about ownership); (1) it's ours already (and we're recursing);
+ * (2) it's free (but we may already be using a cached clone);
+ * (3) another thread owns it. Case (1) is easy: we just use it.
+ * Case (2) means we look for a clone--if we have one, use it
+ * otherwise grab ownership of cv. Case (3) means we look for a
+ * clone (for non-XSUBs) and have to create one if we don't
+ * already have one.
+ * Why look for a clone in case (2) when we could just grab
+ * ownership of cv straight away? Well, we could be recursing,
+ * i.e. we originally tried to enter cv while another thread
+ * owned it (hence we used a clone) but it has been freed up
+ * and we're now recursing into it. It may or may not be "better"
+ * to use the clone but at least CvDEPTH can be trusted.
+ */
+ if (CvOWNER(cv) == thr || CvXSUB(cv))
+ MUTEX_UNLOCK(CvMUTEXP(cv));
+ else {
+ /* Case (2) or (3) */
+ SV **svp;
+
+ /*
+ * XXX Might it be better to release CvMUTEXP(cv) while we
+ * do the hv_fetch? We might find someone has pinched it
+ * when we look again, in which case we would be in case
+ * (3) instead of (2) so we'd have to clone. Would the fact
+ * that we released the mutex more quickly make up for this?
+ */
+ if ((svp = hv_fetch(thr->cvcache, (char *)cv, sizeof(cv), FALSE)))
+ {
+ /* We already have a clone to use */
+ MUTEX_UNLOCK(CvMUTEXP(cv));
+ cv = *(CV**)svp;
+ DEBUG_S(PerlIO_printf(Perl_debug_log,
+ "entersub: %p already has clone %p:%s\n",
+ thr, cv, SvPEEK((SV*)cv)));
+ CvOWNER(cv) = thr;
+ SvREFCNT_inc(cv);
+ if (CvDEPTH(cv) == 0)
+ SAVEDESTRUCTOR_X(unset_cvowner, (void*) cv);
+ }
+ else {
+ /* (2) => grab ownership of cv. (3) => make clone */
+ if (!CvOWNER(cv)) {
+ CvOWNER(cv) = thr;
+ SvREFCNT_inc(cv);
+ MUTEX_UNLOCK(CvMUTEXP(cv));
+ DEBUG_S(PerlIO_printf(Perl_debug_log,
+ "entersub: %p grabbing %p:%s in stash %s\n",
+ thr, cv, SvPEEK((SV*)cv), CvSTASH(cv) ?
+ HvNAME(CvSTASH(cv)) : "(none)"));
+ }
+ else {
+ /* Make a new clone. */
+ CV *clonecv;
+ SvREFCNT_inc(cv); /* don't let it vanish from under us */
+ MUTEX_UNLOCK(CvMUTEXP(cv));
+ DEBUG_S((PerlIO_printf(Perl_debug_log,
+ "entersub: %p cloning %p:%s\n",
+ thr, cv, SvPEEK((SV*)cv))));
+ /*
+ * We're creating a new clone so there's no race
+ * between the original MUTEX_UNLOCK and the
+ * SvREFCNT_inc since no one will be trying to undef
+ * it out from underneath us. At least, I don't think
+ * there's a race...
+ */
+ clonecv = cv_clone(cv);
+ SvREFCNT_dec(cv); /* finished with this */
+ hv_store(thr->cvcache, (char*)cv, sizeof(cv), (SV*)clonecv,0);
+ CvOWNER(clonecv) = thr;
+ cv = clonecv;
+ SvREFCNT_inc(cv);
+ }
+ DEBUG_S(if (CvDEPTH(cv) != 0)
+ PerlIO_printf(Perl_debug_log, "depth %ld != 0\n",
+ CvDEPTH(cv)));
+ SAVEDESTRUCTOR_X(unset_cvowner, (void*) cv);
+ }
+ }
+#endif /* USE_5005THREADS */
+
if (CvXSUB(cv)) {
#ifdef PERL_XSUB_OLDSTYLE
if (CvOLDSTYLE(cv)) {
* back. This would allow popping @_ in XSUB, e.g.. XXXX */
AV* av;
I32 items;
+#ifdef USE_5005THREADS
+ av = (AV*)PAD_SVl(0);
+#else
av = GvAV(PL_defgv);
+#endif /* USE_5005THREADS */
items = AvFILLp(av) + 1; /* @_ is not tieable */
if (items) {
CvDEPTH(cv)++;
/* XXX This would be a natural place to set C<PL_compcv = cv> so
* that eval'' ops within this sub know the correct lexical space.
- * Owing the speed considerations, we choose to search for the cv
- * in doeval() instead.
+ * Owing the speed considerations, we choose instead to search for
+ * the cv using find_runcv() when calling doeval().
*/
if (CvDEPTH(cv) < 2)
(void)SvREFCNT_inc(cv);
PERL_STACK_OVERFLOW_CHECK();
pad_push(padlist, CvDEPTH(cv), 1);
}
+#ifdef USE_5005THREADS
+ if (!hasargs) {
+ AV* av = (AV*)PAD_SVl(0);
+
+ items = AvFILLp(av) + 1;
+ if (items) {
+ /* Mark is at the end of the stack. */
+ EXTEND(SP, items);
+ Copy(AvARRAY(av), SP + 1, items, SV*);
+ SP += items;
+ PUTBACK ;
+ }
+ }
+#endif /* USE_5005THREADS */
PAD_SET_CUR(padlist, CvDEPTH(cv));
+#ifndef USE_5005THREADS
if (hasargs)
+#endif /* USE_5005THREADS */
{
AV* av;
SV** ary;
AvREAL_off(av);
AvREIFY_on(av);
}
+#ifndef USE_5005THREADS
cx->blk_sub.savearray = GvAV(PL_defgv);
GvAV(PL_defgv) = (AV*)SvREFCNT_inc(av);
+#endif /* USE_5005THREADS */
CX_CURPAD_SAVE(cx->blk_sub);
cx->blk_sub.argarray = av;
++MARK;
else {
SV* tmpstr = sv_newmortal();
gv_efullname3(tmpstr, CvGV(cv), Nullch);
- Perl_warner(aTHX_ packWARN(WARN_RECURSION), "Deep recursion on subroutine \"%s\"",
- SvPVX(tmpstr));
+ Perl_warner(aTHX_ packWARN(WARN_RECURSION), "Deep recursion on subroutine \"%"SVf"\"",
+ tmpstr);
}
}
SV *sv;
if (SvROK(elemsv) && !SvGAMAGIC(elemsv) && ckWARN(WARN_MISC))
- Perl_warner(aTHX_ packWARN(WARN_MISC), "Use of reference \"%s\" as array index", SvPV_nolen(elemsv));
+ Perl_warner(aTHX_ packWARN(WARN_MISC), "Use of reference \"%"SVf"\" as array index", elemsv);
if (elem > 0)
elem -= PL_curcop->cop_arybase;
if (SvTYPE(av) != SVt_PVAV)
PP(pp_method_named)
{
dSP;
- SV* sv = cSVOP->op_sv;
+ SV* sv = cSVOP_sv;
U32 hash = SvUVX(sv);
XPUSHs(method_common(sv, &hash));
}
return isGV(gv) ? (SV*)GvCV(gv) : (SV*)gv;
}
+
+#ifdef USE_5005THREADS
+static void
+unset_cvowner(pTHX_ void *cvarg)
+{
+ register CV* cv = (CV *) cvarg;
+
+ DEBUG_S((PerlIO_printf(Perl_debug_log, "%p unsetting CvOWNER of %p:%s\n",
+ thr, cv, SvPEEK((SV*)cv))));
+ MUTEX_LOCK(CvMUTEXP(cv));
+ DEBUG_S(if (CvDEPTH(cv) != 0)
+ PerlIO_printf(Perl_debug_log, "depth %ld != 0\n",
+ CvDEPTH(cv)));
+ assert(thr == CvOWNER(cv));
+ CvOWNER(cv) = 0;
+ MUTEX_UNLOCK(CvMUTEXP(cv));
+ SvREFCNT_dec(cv);
+}
+#endif /* USE_5005THREADS */
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