Within Perl_newSVhek, inline most of newSVpvn_share(), because

[p5sagit/p5-mst-13.2.git] / hv.h

diff --git a/hv.h b/hv.h
index 79035e2..4ae5e1a 100644 (file)
--- a/hv.h
+++ b/hv.h
@@ -283,19 +283,6 @@ C<SV*>.
 #define HvREHASH_on(hv)                (SvFLAGS(hv) |= SVphv_REHASH)
 #define HvREHASH_off(hv)       (SvFLAGS(hv) &= ~SVphv_REHASH)
 
-/* Maybe amagical: */
-/* #define HV_AMAGICmb(hv)      (SvFLAGS(hv) & (SVpgv_badAM | SVpgv_AM)) */
-
-#define HV_AMAGIC(hv)        (SvFLAGS(hv) &   SVpgv_AM)
-#define HV_AMAGIC_on(hv)     (SvFLAGS(hv) |=  SVpgv_AM)
-#define HV_AMAGIC_off(hv)    (SvFLAGS(hv) &= ~SVpgv_AM)
-
-/*
-#define HV_AMAGICbad(hv)     (SvFLAGS(hv) & SVpgv_badAM)
-#define HV_badAMAGIC_on(hv)  (SvFLAGS(hv) |= SVpgv_badAM)
-#define HV_badAMAGIC_off(hv) (SvFLAGS(hv) &= ~SVpgv_badAM)
-*/
-
 #define Nullhe Null(HE*)
 #define HeNEXT(he)             (he)->hent_next
 #define HeKEY_hek(he)          (he)->hent_hek
@@ -391,6 +378,38 @@ C<SV*>.
        ->shared_he_he.he_valu.hent_refcount),                          \
      hek)
 
+/* This refcounted he structure is used for storing the hints used for lexical
+   pragmas. Without threads, it's basically struct he + refcount.
+   With threads, life gets more complex as the structure needs to be shared
+   between threads (because it hangs from OPs, which are shared), hence the
+   alternate definition and mutex.  */
+
+#ifdef PERL_CORE
+
+struct refcounted_he {
+    struct refcounted_he *refcounted_he_next;  /* next entry in chain */
+    HEK                  *refcounted_he_hek;   /* hint key */
+    SV                   *refcounted_he_val;   /* hint value */
+    U32                          refcounted_he_refcnt; /* reference count */
+};
+
+#  ifdef USE_ITHREADS
+#    define HINTS_REFCNT_LOCK          MUTEX_LOCK(&PL_hints_mutex)
+#    define HINTS_REFCNT_UNLOCK                MUTEX_UNLOCK(&PL_hints_mutex)
+#  else
+#    define HINTS_REFCNT_LOCK          NOOP
+#    define HINTS_REFCNT_UNLOCK                NOOP
+#  endif
+#endif
+
+#ifdef USE_ITHREADS
+#  define HINTS_REFCNT_INIT            MUTEX_INIT(&PL_hints_mutex)
+#  define HINTS_REFCNT_TERM            MUTEX_DESTROY(&PL_hints_mutex)
+#else
+#  define HINTS_REFCNT_INIT            NOOP
+#  define HINTS_REFCNT_TERM            NOOP
+#endif
+
 /*
  * Local variables:
  * c-indentation-style: bsd