# define MY_CXT_CLONE NOOP
#endif
+#if defined(OP_CHECK_MUTEX_LOCK) && defined(OP_CHECK_MUTEX_UNLOCK)
+# define A_CHECK_MUTEX_LOCK OP_CHECK_MUTEX_LOCK
+# define A_CHECK_MUTEX_UNLOCK OP_CHECK_MUTEX_UNLOCK
+#else
+# define A_CHECK_MUTEX_LOCK OP_REFCNT_LOCK
+# define A_CHECK_MUTEX_UNLOCK OP_REFCNT_UNLOCK
+#endif
+
+typedef OP *(*a_ck_t)(pTHX_ OP *);
+
+#ifdef wrap_op_checker
+
+# define a_ck_replace(T, NC, OCP) wrap_op_checker((T), (NC), (OCP))
+
+#else
+
+STATIC void a_ck_replace(pTHX_ OPCODE type, a_ck_t new_ck, a_ck_t *old_ck_p) {
+#define a_ck_replace(T, NC, OCP) a_ck_replace(aTHX_ (T), (NC), (OCP))
+ A_CHECK_MUTEX_LOCK;
+ if (!*old_ck_p) {
+ *old_ck_p = PL_check[type];
+ PL_check[type] = new_ck;
+ }
+ A_CHECK_MUTEX_UNLOCK;
+}
+
+#endif
+
+STATIC void a_ck_restore(pTHX_ OPCODE type, a_ck_t *old_ck_p) {
+#define a_ck_restore(T, OCP) a_ck_restore(aTHX_ (T), (OCP))
+ A_CHECK_MUTEX_LOCK;
+ if (*old_ck_p) {
+ PL_check[type] = *old_ck_p;
+ *old_ck_p = 0;
+ }
+ A_CHECK_MUTEX_UNLOCK;
+}
+
/* --- Helpers ------------------------------------------------------------- */
/* ... Thread-safe hints ................................................... */
#if A_WORKAROUND_REQUIRE_PROPAGATION
typedef struct {
- ptable *tbl;
+ ptable *tbl;
#if A_HAS_PERL(5, 13, 2)
CLONE_PARAMS *params;
#else
- CLONE_PARAMS params;
+ CLONE_PARAMS params;
#endif
} a_ptable_clone_ud;
#endif /* A_WORKAROUND_REQUIRE_PROPAGATION */
-#include "reap.h"
-
STATIC void a_thread_cleanup(pTHX_ void *ud) {
dMY_CXT;
ptable_seen_free(MY_CXT.seen);
}
+STATIC int a_endav_free(pTHX_ SV *sv, MAGIC *mg) {
+ SAVEDESTRUCTOR_X(a_thread_cleanup, NULL);
+
+ return 0;
+}
+
+STATIC MGVTBL a_endav_vtbl = {
+ 0,
+ 0,
+ 0,
+ 0,
+ a_endav_free
+#if MGf_COPY
+ , 0
+#endif
+#if MGf_DUP
+ , 0
+#endif
+#if MGf_LOCAL
+ , 0
+#endif
+};
+
#endif /* A_THREADSAFE */
#if A_WORKAROUND_REQUIRE_PROPAGATION
STATIC SV *a_tag(pTHX_ UV bits) {
#define a_tag(B) a_tag(aTHX_ (B))
a_hint_t *h;
-#if A_THREADSAFE
- dMY_CXT;
-#endif
h = PerlMemShared_malloc(sizeof *h);
h->bits = bits;
h->require_tag = a_require_tag();
#if A_THREADSAFE
- /* 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 hint as the key itself. */
- ptable_hints_store(MY_CXT.tbl, h, h);
+ {
+ dMY_CXT;
+ /* 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 hint as the key itself. */
+ ptable_hints_store(MY_CXT.tbl, h, h);
+ }
#endif /* A_THREADSAFE */
return newSViv(PTR2IV(h));
STATIC UV a_detag(pTHX_ const SV *hint) {
#define a_detag(H) a_detag(aTHX_ (H))
a_hint_t *h;
-#if A_THREADSAFE
- dMY_CXT;
-#endif
if (!(hint && SvIOK(hint)))
return 0;
h = INT2PTR(a_hint_t *, SvIVX(hint));
#if A_THREADSAFE
- h = ptable_fetch(MY_CXT.tbl, h);
+ {
+ dMY_CXT;
+ h = ptable_fetch(MY_CXT.tbl, h);
+ }
#endif /* A_THREADSAFE */
if (a_require_tag() != h->require_tag)
0,
a_hash);
#else
- SV **val = hv_fetch(GvHV(PL_hintgv), __PACKAGE__, __PACKAGE_LEN__, a_hash);
+ SV **val = hv_fetch(GvHV(PL_hintgv), __PACKAGE__, __PACKAGE_LEN__, 0);
if (!val)
return 0;
hint = *val;
/* ... op => info map ...................................................... */
typedef struct {
- OP *(*old_pp)(pTHX);
- UV flags;
- void *next;
+ OP *(*old_pp)(pTHX);
+ void *next;
+ UV flags;
} a_op_info;
#define PTABLE_NAME ptable_map
/* We always need to push an empty array to fool the pp_aelem() that comes
* later. */
SV *av;
- POPs;
+ (void) POPs;
av = sv_2mortal((SV *) newAV());
PUSHs(av);
RETURN;
if (oi->flags & A_HINT_DEREF) {
if (a_undef(TOPs)) {
SV *hv;
- POPs;
+ (void) POPs;
hv = sv_2mortal((SV *) newHV());
PUSHs(hv);
RETURN;
dSP;
if (a_undef(TOPs)) {
- POPs;
+ (void) POPs;
/* Can only be reached by keys or values */
if (GIMME_V == G_SCALAR) {
dTARGET;
dSP;
if (a_undef(TOPm1s)) {
- POPs;
- POPs;
+ (void) POPs;
+ (void) POPs;
if (PL_op->op_type == OP_EXISTS)
RETPUSHNO;
else
const a_op_info *oi = NULL;
UV flags = 0;
+#if !A_HAS_RPEEP
if (ptable_fetch(seen, o))
break;
ptable_seen_store(seen, o, o);
+#endif
switch (o->op_type) {
+#if A_HAS_RPEEP
+ case OP_NEXTSTATE:
+ case OP_DBSTATE:
+ case OP_STUB:
+ if (ptable_fetch(seen, o))
+ return;
+ ptable_seen_store(seen, o, o);
+ break;
+#endif
case OP_PADSV:
if (o->op_ppaddr != a_pp_deref) {
oi = a_map_fetch(o);
ptable_seen_free(MY_CXT.seen);
}
- PL_check[OP_PADANY] = MEMBER_TO_FPTR(a_old_ck_padany);
- a_old_ck_padany = 0;
- PL_check[OP_PADSV] = MEMBER_TO_FPTR(a_old_ck_padsv);
- a_old_ck_padsv = 0;
-
- PL_check[OP_AELEM] = MEMBER_TO_FPTR(a_old_ck_aelem);
- a_old_ck_aelem = 0;
- PL_check[OP_HELEM] = MEMBER_TO_FPTR(a_old_ck_helem);
- a_old_ck_helem = 0;
- PL_check[OP_RV2SV] = MEMBER_TO_FPTR(a_old_ck_rv2sv);
- a_old_ck_rv2sv = 0;
-
- PL_check[OP_RV2AV] = MEMBER_TO_FPTR(a_old_ck_rv2av);
- a_old_ck_rv2av = 0;
- PL_check[OP_RV2HV] = MEMBER_TO_FPTR(a_old_ck_rv2hv);
- a_old_ck_rv2hv = 0;
-
- PL_check[OP_ASLICE] = MEMBER_TO_FPTR(a_old_ck_aslice);
- a_old_ck_aslice = 0;
- PL_check[OP_HSLICE] = MEMBER_TO_FPTR(a_old_ck_hslice);
- a_old_ck_hslice = 0;
-
- PL_check[OP_EXISTS] = MEMBER_TO_FPTR(a_old_ck_exists);
- a_old_ck_exists = 0;
- PL_check[OP_DELETE] = MEMBER_TO_FPTR(a_old_ck_delete);
- a_old_ck_delete = 0;
- PL_check[OP_KEYS] = MEMBER_TO_FPTR(a_old_ck_keys);
- a_old_ck_keys = 0;
- PL_check[OP_VALUES] = MEMBER_TO_FPTR(a_old_ck_values);
- a_old_ck_values = 0;
+ a_ck_restore(OP_PADANY, &a_old_ck_padany);
+ a_ck_restore(OP_PADSV, &a_old_ck_padsv);
+
+ a_ck_restore(OP_AELEM, &a_old_ck_aelem);
+ a_ck_restore(OP_HELEM, &a_old_ck_helem);
+ a_ck_restore(OP_RV2SV, &a_old_ck_rv2sv);
+
+ a_ck_restore(OP_RV2AV, &a_old_ck_rv2av);
+ a_ck_restore(OP_RV2HV, &a_old_ck_rv2hv);
+
+ a_ck_restore(OP_ASLICE, &a_old_ck_aslice);
+ a_ck_restore(OP_HSLICE, &a_old_ck_hslice);
+
+ a_ck_restore(OP_EXISTS, &a_old_ck_exists);
+ a_ck_restore(OP_DELETE, &a_old_ck_delete);
+ a_ck_restore(OP_KEYS, &a_old_ck_keys);
+ a_ck_restore(OP_VALUES, &a_old_ck_values);
#if A_HAS_RPEEP
PL_rpeepp = a_old_peep;
MY_CXT.seen = ptable_new();
}
- a_old_ck_padany = PL_check[OP_PADANY];
- PL_check[OP_PADANY] = MEMBER_TO_FPTR(a_ck_padany);
- a_old_ck_padsv = PL_check[OP_PADSV];
- PL_check[OP_PADSV] = MEMBER_TO_FPTR(a_ck_padsv);
-
- a_old_ck_aelem = PL_check[OP_AELEM];
- PL_check[OP_AELEM] = MEMBER_TO_FPTR(a_ck_deref);
- a_old_ck_helem = PL_check[OP_HELEM];
- PL_check[OP_HELEM] = MEMBER_TO_FPTR(a_ck_deref);
- a_old_ck_rv2sv = PL_check[OP_RV2SV];
- PL_check[OP_RV2SV] = MEMBER_TO_FPTR(a_ck_deref);
-
- a_old_ck_rv2av = PL_check[OP_RV2AV];
- PL_check[OP_RV2AV] = MEMBER_TO_FPTR(a_ck_rv2xv);
- a_old_ck_rv2hv = PL_check[OP_RV2HV];
- PL_check[OP_RV2HV] = MEMBER_TO_FPTR(a_ck_rv2xv);
-
- a_old_ck_aslice = PL_check[OP_ASLICE];
- PL_check[OP_ASLICE] = MEMBER_TO_FPTR(a_ck_xslice);
- a_old_ck_hslice = PL_check[OP_HSLICE];
- PL_check[OP_HSLICE] = MEMBER_TO_FPTR(a_ck_xslice);
-
- a_old_ck_exists = PL_check[OP_EXISTS];
- PL_check[OP_EXISTS] = MEMBER_TO_FPTR(a_ck_root);
- a_old_ck_delete = PL_check[OP_DELETE];
- PL_check[OP_DELETE] = MEMBER_TO_FPTR(a_ck_root);
- a_old_ck_keys = PL_check[OP_KEYS];
- PL_check[OP_KEYS] = MEMBER_TO_FPTR(a_ck_root);
- a_old_ck_values = PL_check[OP_VALUES];
- PL_check[OP_VALUES] = MEMBER_TO_FPTR(a_ck_root);
+ a_ck_replace(OP_PADANY, a_ck_padany, &a_old_ck_padany);
+ a_ck_replace(OP_PADSV, a_ck_padsv, &a_old_ck_padsv);
+
+ a_ck_replace(OP_AELEM, a_ck_deref, &a_old_ck_aelem);
+ a_ck_replace(OP_HELEM, a_ck_deref, &a_old_ck_helem);
+ a_ck_replace(OP_RV2SV, a_ck_deref, &a_old_ck_rv2sv);
+
+ a_ck_replace(OP_RV2AV, a_ck_rv2xv, &a_old_ck_rv2av);
+ a_ck_replace(OP_RV2HV, a_ck_rv2xv, &a_old_ck_rv2hv);
+
+ a_ck_replace(OP_ASLICE, a_ck_xslice, &a_old_ck_aslice);
+ a_ck_replace(OP_HSLICE, a_ck_xslice, &a_old_ck_hslice);
+
+ a_ck_replace(OP_EXISTS, a_ck_root, &a_old_ck_exists);
+ a_ck_replace(OP_DELETE, a_ck_root, &a_old_ck_delete);
+ a_ck_replace(OP_KEYS, a_ck_root, &a_old_ck_keys);
+ a_ck_replace(OP_VALUES, a_ck_root, &a_old_ck_values);
#if A_HAS_RPEEP
a_old_peep = PL_rpeepp;
ptable *t;
#endif
ptable *s;
+ GV *gv;
PPCODE:
{
dMY_CXT;
#endif
MY_CXT.seen = s;
}
- reap(3, a_thread_cleanup, NULL);
+ gv = gv_fetchpv(__PACKAGE__ "::_THREAD_CLEANUP", 0, SVt_PVCV);
+ if (gv) {
+ CV *cv = GvCV(gv);
+ if (!PL_endav)
+ PL_endav = newAV();
+ SvREFCNT_inc(cv);
+ if (!av_store(PL_endav, av_len(PL_endav) + 1, (SV *) cv))
+ SvREFCNT_dec(cv);
+ sv_magicext((SV *) PL_endav, NULL, PERL_MAGIC_ext, &a_endav_vtbl, NULL, 0);
+ }
+ XSRETURN(0);
+
+void
+_THREAD_CLEANUP(...)
+PROTOTYPE: DISABLE
+PPCODE:
+ a_thread_cleanup(aTHX_ NULL);
XSRETURN(0);
#endif /* A_THREADSAFE */
projects / perl / modules / autovivification.git / blobdiff