#define SvFLAGS(sv) (sv)->sv_flags
#define SvREFCNT(sv) (sv)->sv_refcnt
+#ifdef USE_THREADS
+
+# ifdef EMULATE_ATOMIC_REFCOUNTS
+# define ATOMIC_INC(count) STMT_START { \
+ MUTEX_LOCK(&svref_mutex); \
+ ++count; \
+ MUTEX_UNLOCK(&svref_mutex); \
+ } STMT_END
+# define ATOMIC_DEC_AND_TEST(res,count) STMT_START { \
+ MUTEX_LOCK(&svref_mutex); \
+ res = (--count == 0); \
+ MUTEX_UNLOCK(&svref_mutex); \
+ } STMT_END
+# else
+# define ATOMIC_INC(count) atomic_inc(&count)
+# define ATOMIC_DEC_AND_TEST(res,count) (res = atomic_dec_and_test(&count))
+# endif /* EMULATE_ATOMIC_REFCOUNTS */
+#else
+# define ATOMIC_INC(count) (++count)
+# define ATOMIC_DEC_AND_TEST(res, count) (res = (--count == 0))
+#endif /* USE_THREADS */
+
#ifdef __GNUC__
-# define SvREFCNT_inc(sv) ({SV* nsv=(SV*)(sv); if(nsv) ++SvREFCNT(nsv); nsv;})
+# define SvREFCNT_inc(sv) \
+ ({ \
+ SV *nsv = (SV*)(sv); \
+ if (nsv) \
+ ATOMIC_INC(SvREFCNT(nsv)); \
+ nsv; \
+ })
#else
# if defined(CRIPPLED_CC) || defined(USE_THREADS)
# define SvREFCNT_inc(sv) sv_newref((SV*)sv)
# else
-# define SvREFCNT_inc(sv) ((Sv=(SV*)(sv)), (Sv && ++SvREFCNT(Sv)), (SV*)Sv)
+# define SvREFCNT_inc(sv) \
+ ((Sv=(SV*)(sv)), (Sv && ATOMIC_INC(SvREFCNT(Sv))), (SV*)Sv)
# endif
#endif
#ifdef OVERLOAD
#define SVf_AMAGIC 0x10000000 /* has magical overloaded methods */
+#else
+#define SVf_AMAGIC 0 /* can be or-ed without effect */
#endif /* OVERLOAD */
#define PRIVSHIFT 8
double xnv_nv; /* numeric value, if any */
};
+/* These structure must match the beginning of struct xpvhv in hv.h. */
struct xpvmg {
char * xpv_pv; /* pointer to malloced string */
STRLEN xpv_cur; /* length of xpv_pv as a C string */
HV * xcv_stash;
OP * xcv_start;
OP * xcv_root;
- void (*xcv_xsub)_((CV*));
+ void (*xcv_xsub)_((CV* _CPERLproto));
ANY xcv_xsubany;
GV * xcv_gv;
GV * xcv_filegv;
SVp_IOK|SVp_NOK))
#define SvOK(sv) (SvFLAGS(sv) & SVf_OK)
-
-#ifdef OVERLOAD
#define SvOK_off(sv) (SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC), \
SvOOK_off(sv))
-#else
-#define SvOK_off(sv) (SvFLAGS(sv) &= ~SVf_OK, SvOOK_off(sv))
-#endif /* OVERLOAD */
#define SvOKp(sv) (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK))
#define SvIOKp(sv) (SvFLAGS(sv) & SVp_IOK)
#define SvIOK_on(sv) (SvOOK_off(sv), \
SvFLAGS(sv) |= (SVf_IOK|SVp_IOK))
#define SvIOK_off(sv) (SvFLAGS(sv) &= ~(SVf_IOK|SVp_IOK))
-#define SvIOK_only(sv) (SvOOK_off(sv), SvOK_off(sv), \
+#define SvIOK_only(sv) (SvOK_off(sv), \
SvFLAGS(sv) |= (SVf_IOK|SVp_IOK))
#define SvNOK(sv) (SvFLAGS(sv) & SVf_NOK)
#define SvPOK(sv) (SvFLAGS(sv) & SVf_POK)
#define SvPOK_on(sv) (SvFLAGS(sv) |= (SVf_POK|SVp_POK))
#define SvPOK_off(sv) (SvFLAGS(sv) &= ~(SVf_POK|SVp_POK))
-
-#ifdef OVERLOAD
-#define SvPOK_only(sv) (SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC), \
+#define SvPOK_only(sv) (SvFLAGS(sv) &= ~(SVf_OK|SVf_AMAGIC), \
SvFLAGS(sv) |= (SVf_POK|SVp_POK))
-#else
-#define SvPOK_only(sv) (SvFLAGS(sv) &= ~SVf_OK, \
- SvFLAGS(sv) |= (SVf_POK|SVp_POK))
-#endif /* OVERLOAD */
#define SvOOK(sv) (SvFLAGS(sv) & SVf_OOK)
#define SvOOK_on(sv) (SvIOK_off(sv), SvFLAGS(sv) |= SVf_OOK)
#define SvROK(sv) (SvFLAGS(sv) & SVf_ROK)
#define SvROK_on(sv) (SvFLAGS(sv) |= SVf_ROK)
-
-#ifdef OVERLOAD
#define SvROK_off(sv) (SvFLAGS(sv) &= ~(SVf_ROK|SVf_AMAGIC))
-#else
-#define SvROK_off(sv) (SvFLAGS(sv) &= ~SVf_ROK)
-#endif /* OVERLOAD */
#define SvMAGICAL(sv) (SvFLAGS(sv) & (SVs_GMG|SVs_SMG|SVs_RMG))
#define SvMAGICAL_on(sv) (SvFLAGS(sv) |= (SVs_GMG|SVs_SMG|SVs_RMG))
#endif /* !CRIPPLED_CC */
#define newRV_inc(sv) newRV(sv)
-#ifdef __GNUC__
-# undef newRV_noinc
-# define newRV_noinc(sv) ({SV *nsv=newRV((sv)); --SvREFCNT(SvRV(nsv)); nsv;})
-#else
-# if defined(CRIPPLED_CC) || defined(USE_THREADS)
-# else
-# undef newRV_noinc
-# define newRV_noinc(sv) ((Sv = newRV(sv)), --SvREFCNT(SvRV(Sv)), Sv)
-# endif
-#endif /* __GNUC__ */
/* the following macros update any magic values this sv is associated with */