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-rw-r--r--erts/emulator/beam/erl_bif_unique.h344
1 files changed, 324 insertions, 20 deletions
diff --git a/erts/emulator/beam/erl_bif_unique.h b/erts/emulator/beam/erl_bif_unique.h
index c6481864d0..27c2a15a5e 100644
--- a/erts/emulator/beam/erl_bif_unique.h
+++ b/erts/emulator/beam/erl_bif_unique.h
@@ -21,16 +21,25 @@
#ifndef ERTS_BIF_UNIQUE_H__
#define ERTS_BIF_UNIQUE_H__
+#include "erl_term.h"
#include "erl_process.h"
#include "big.h"
+#define ERTS_BINARY_TYPES_ONLY__
+#include "erl_binary.h"
+#undef ERTS_BINARY_TYPES_ONLY__
void erts_bif_unique_init(void);
void erts_sched_bif_unique_init(ErtsSchedulerData *esdp);
/* reference */
Eterm erts_make_ref(Process *);
-Eterm erts_make_ref_in_buffer(Eterm buffer[REF_THING_SIZE]);
-void erts_make_ref_in_array(Uint32 ref[ERTS_MAX_REF_NUMBERS]);
+Eterm erts_make_ref_in_buffer(Eterm buffer[ERTS_REF_THING_SIZE]);
+void erts_make_ref_in_array(Uint32 ref[ERTS_REF_NUMBERS]);
+void erts_make_magic_ref_in_array(Uint32 ref[ERTS_REF_NUMBERS]);
+void erts_magic_ref_remove_bin(Uint32 refn[ERTS_REF_NUMBERS]);
+void erts_magic_ref_save_bin__(Eterm ref);
+ErtsMagicBinary *erts_magic_ref_lookup_bin__(Uint32 refn[ERTS_REF_NUMBERS]);
+
/* strict monotonic counter */
@@ -67,19 +76,35 @@ Eterm erts_debug_make_unique_integer(Process *c_p,
Eterm etval1);
-ERTS_GLB_INLINE void erts_set_ref_numbers(Uint32 ref[ERTS_MAX_REF_NUMBERS],
+ERTS_GLB_INLINE void erts_set_ref_numbers(Uint32 ref[ERTS_REF_NUMBERS],
Uint32 thr_id, Uint64 value);
-ERTS_GLB_INLINE Uint32 erts_get_ref_numbers_thr_id(Uint32 ref[ERTS_MAX_REF_NUMBERS]);
-ERTS_GLB_INLINE Uint64 erts_get_ref_numbers_value(Uint32 ref[ERTS_MAX_REF_NUMBERS]);
+ERTS_GLB_INLINE Uint32 erts_get_ref_numbers_thr_id(Uint32 ref[ERTS_REF_NUMBERS]);
+ERTS_GLB_INLINE int erts_is_ref_numbers_magic(Uint32 ref[ERTS_REF_NUMBERS]);
+ERTS_GLB_INLINE Uint64 erts_get_ref_numbers_value(Uint32 ref[ERTS_REF_NUMBERS]);
ERTS_GLB_INLINE void erts_sched_make_ref_in_array(ErtsSchedulerData *esdp,
- Uint32 ref[ERTS_MAX_REF_NUMBERS]);
+ Uint32 ref[ERTS_REF_NUMBERS]);
+ERTS_GLB_INLINE void erts_sched_make_magic_ref_in_array(ErtsSchedulerData *esdp,
+ Uint32 ref[ERTS_REF_NUMBERS]);
ERTS_GLB_INLINE Eterm erts_sched_make_ref_in_buffer(ErtsSchedulerData *esdp,
- Eterm buffer[REF_THING_SIZE]);
+ Eterm buffer[ERTS_REF_THING_SIZE]);
+ERTS_GLB_INLINE Eterm erts_mk_magic_ref(Eterm **hpp, ErlOffHeap *ohp, Binary *mbp);
+ERTS_GLB_INLINE Binary *erts_magic_ref2bin(Eterm mref);
+ERTS_GLB_INLINE void erts_magic_ref_save_bin(Eterm ref);
+ERTS_GLB_INLINE ErtsMagicBinary *erts_magic_ref_lookup_bin(Uint32 ref[ERTS_REF_NUMBERS]);
+
+#define ERTS_REF1_MAGIC_MARKER_BIT_NO__ \
+ (_REF_NUM_SIZE-1)
+#define ERTS_REF1_MAGIC_MARKER_BIT__ \
+ (((Uint32) 1) << ERTS_REF1_MAGIC_MARKER_BIT_NO__)
+#define ERTS_REF1_THR_ID_MASK__ \
+ (ERTS_REF1_MAGIC_MARKER_BIT__-1)
+#define ERTS_REF1_NUM_MASK__ \
+ (~(ERTS_REF1_THR_ID_MASK__|ERTS_REF1_MAGIC_MARKER_BIT__))
#if ERTS_GLB_INLINE_INCL_FUNC_DEF
ERTS_GLB_INLINE void
-erts_set_ref_numbers(Uint32 ref[ERTS_MAX_REF_NUMBERS], Uint32 thr_id, Uint64 value)
+erts_set_ref_numbers(Uint32 ref[ERTS_REF_NUMBERS], Uint32 thr_id, Uint64 value)
{
/*
* We cannot use thread id in the first 18-bit word since
@@ -87,30 +112,39 @@ erts_set_ref_numbers(Uint32 ref[ERTS_MAX_REF_NUMBERS], Uint32 thr_id, Uint64 val
* we did, we would get really poor hash values. Instead
* we have to shuffle the bits a bit.
*/
- ASSERT(thr_id == (thr_id & ((Uint32) 0x3ffff)));
- ref[0] = (Uint32) (value & ((Uint64) 0x3ffff));
- ref[1] = (((Uint32) (value & ((Uint64) 0xfffc0000)))
- | (thr_id & ((Uint32) 0x3ffff)));
+ ASSERT(thr_id == (thr_id & ((Uint32) ERTS_REF1_THR_ID_MASK__)));
+ ref[0] = (Uint32) (value & ((Uint64) REF_MASK));
+ ref[1] = (((Uint32) (value & ((Uint64) ERTS_REF1_NUM_MASK__)))
+ | (thr_id & ((Uint32) ERTS_REF1_THR_ID_MASK__)));
ref[2] = (Uint32) ((value >> 32) & ((Uint64) 0xffffffff));
}
ERTS_GLB_INLINE Uint32
-erts_get_ref_numbers_thr_id(Uint32 ref[ERTS_MAX_REF_NUMBERS])
+erts_get_ref_numbers_thr_id(Uint32 ref[ERTS_REF_NUMBERS])
{
- return ref[1] & ((Uint32) 0x3ffff);
+ return ref[1] & ((Uint32) ERTS_REF1_THR_ID_MASK__);
+}
+
+ERTS_GLB_INLINE int
+erts_is_ref_numbers_magic(Uint32 ref[ERTS_REF_NUMBERS])
+{
+ return !!(ref[1] & ERTS_REF1_MAGIC_MARKER_BIT__);
}
ERTS_GLB_INLINE Uint64
-erts_get_ref_numbers_value(Uint32 ref[ERTS_MAX_REF_NUMBERS])
+erts_get_ref_numbers_value(Uint32 ref[ERTS_REF_NUMBERS])
{
+ ERTS_CT_ASSERT((ERTS_REF1_NUM_MASK__ | REF_MASK) == 0xffffffff);
+ ERTS_CT_ASSERT((ERTS_REF1_NUM_MASK__ & REF_MASK) == 0);
+
return (((((Uint64) ref[2]) & ((Uint64) 0xffffffff)) << 32)
- | (((Uint64) ref[1]) & ((Uint64) 0xfffc0000))
- | (((Uint64) ref[0]) & ((Uint64) 0x3ffff)));
+ | (((Uint64) ref[1]) & ((Uint64) ERTS_REF1_NUM_MASK__))
+ | (((Uint64) ref[0]) & ((Uint64) REF_MASK)));
}
ERTS_GLB_INLINE void
erts_sched_make_ref_in_array(ErtsSchedulerData *esdp,
- Uint32 ref[ERTS_MAX_REF_NUMBERS])
+ Uint32 ref[ERTS_REF_NUMBERS])
{
Uint64 value;
@@ -119,18 +153,288 @@ erts_sched_make_ref_in_array(ErtsSchedulerData *esdp,
erts_set_ref_numbers(ref, (Uint32) esdp->thr_id, value);
}
+ERTS_GLB_INLINE void
+erts_sched_make_magic_ref_in_array(ErtsSchedulerData *esdp,
+ Uint32 ref[ERTS_REF_NUMBERS])
+{
+ erts_sched_make_ref_in_array(esdp, ref);
+ ASSERT(!(ref[1] & ERTS_REF1_MAGIC_MARKER_BIT__));
+ ref[1] |= ERTS_REF1_MAGIC_MARKER_BIT__;
+}
+
ERTS_GLB_INLINE Eterm
erts_sched_make_ref_in_buffer(ErtsSchedulerData *esdp,
- Eterm buffer[REF_THING_SIZE])
+ Eterm buffer[ERTS_REF_THING_SIZE])
{
Eterm* hp = buffer;
- Uint32 ref[ERTS_MAX_REF_NUMBERS];
+ Uint32 ref[ERTS_REF_NUMBERS];
erts_sched_make_ref_in_array(esdp, ref);
write_ref_thing(hp, ref[0], ref[1], ref[2]);
return make_internal_ref(hp);
}
+ERTS_GLB_INLINE Eterm
+erts_mk_magic_ref(Eterm **hpp, ErlOffHeap *ohp, Binary *bp)
+{
+ Eterm *hp = *hpp;
+ ASSERT(bp->flags & BIN_FLAG_MAGIC);
+ write_magic_ref_thing(hp, ohp, (ErtsMagicBinary *) bp);
+ *hpp += ERTS_MAGIC_REF_THING_SIZE;
+ erts_refc_inc(&bp->refc, 1);
+ OH_OVERHEAD(ohp, bp->orig_size / sizeof(Eterm));
+ return make_internal_ref(hp);
+}
+
+ERTS_GLB_INLINE Binary *
+erts_magic_ref2bin(Eterm mref)
+{
+ ErtsMRefThing *mrtp;
+ ASSERT(is_internal_magic_ref(mref));
+ mrtp = (ErtsMRefThing *) internal_ref_val(mref);
+ return (Binary *) mrtp->mb;
+}
+
+/*
+ * Save the magic binary of a ref when the
+ * ref is exposed to the outside world...
+ */
+ERTS_GLB_INLINE void
+erts_magic_ref_save_bin(Eterm ref)
+{
+ if (is_internal_magic_ref(ref))
+ erts_magic_ref_save_bin__(ref);
+}
+
+/*
+ * Look up the magic binary of a magic ref
+ * when the ref comes from the outside world...
+ */
+ERTS_GLB_INLINE ErtsMagicBinary *
+erts_magic_ref_lookup_bin(Uint32 ref[ERTS_REF_NUMBERS])
+{
+ if (!erts_is_ref_numbers_magic(ref))
+ return NULL;
+ return erts_magic_ref_lookup_bin__(ref);
+}
+
+
#endif /* ERTS_GLB_INLINE_INCL_FUNC_DEF */
+
+/*
+ * Storage of internal refs in misc structures...
+ */
+
+#include "erl_message.h"
+
+#if ERTS_REF_NUMBERS != 3
+# error fix this...
+#endif
+
+ERTS_GLB_INLINE int erts_internal_ref_number_cmp(Uint32 num1[ERTS_REF_NUMBERS],
+ Uint32 num2[ERTS_REF_NUMBERS]);
+
+#if ERTS_GLB_INLINE_INCL_FUNC_DEF
+
+ERTS_GLB_INLINE int
+erts_internal_ref_number_cmp(Uint32 num1[ERTS_REF_NUMBERS],
+ Uint32 num2[ERTS_REF_NUMBERS])
+{
+ if (num1[2] != num2[2])
+ return (int) ((Sint64) num1[2] - (Sint64) num2[2]);
+ if (num1[1] != num2[1])
+ return (int) ((Sint64) num1[1] - (Sint64) num2[1]);
+ if (num1[0] != num2[0])
+ return (int) ((Sint64) num1[0] - (Sint64) num2[0]);
+ return 0;
+}
+
+#endif /* #if ERTS_GLB_INLINE_INCL_FUNC_DEF */
+
+/* Iref storage for all internal references... */
+typedef struct {
+ Uint32 is_magic;
+ union {
+ ErtsMagicBinary *mb;
+ Uint32 num[ERTS_REF_NUMBERS];
+ } u;
+} ErtsIRefStorage;
+
+void erts_ref_bin_free(ErtsMagicBinary *mb);
+
+ERTS_GLB_INLINE void erts_iref_storage_save(ErtsIRefStorage *iref, Eterm ref);
+ERTS_GLB_INLINE void erts_iref_storage_clean(ErtsIRefStorage *iref);
+ERTS_GLB_INLINE Uint erts_iref_storage_heap_size(ErtsIRefStorage *iref);
+ERTS_GLB_INLINE Eterm erts_iref_storage_make_ref(ErtsIRefStorage *iref,
+ Eterm **hpp, ErlOffHeap *ohp,
+ int clean_storage);
+ERTS_GLB_INLINE int erts_iref_storage_cmp(ErtsIRefStorage *iref1,
+ ErtsIRefStorage *iref2);
+
+
+#if ERTS_GLB_INLINE_INCL_FUNC_DEF
+
+ERTS_GLB_INLINE void
+erts_iref_storage_save(ErtsIRefStorage *iref, Eterm ref)
+{
+ Eterm *hp;
+
+ ERTS_CT_ASSERT(ERTS_REF_NUMBERS == 3);
+ ASSERT(is_internal_ref(ref));
+
+ hp = boxed_val(ref);
+
+ if (is_ordinary_ref_thing(hp)) {
+ ErtsORefThing *rtp = (ErtsORefThing *) hp;
+ iref->is_magic = 0;
+ iref->u.num[0] = rtp->num[0];
+ iref->u.num[1] = rtp->num[1];
+ iref->u.num[2] = rtp->num[2];
+ }
+ else {
+ ErtsMRefThing *mrtp = (ErtsMRefThing *) hp;
+ ASSERT(is_magic_ref_thing(hp));
+ iref->is_magic = 1;
+ iref->u.mb = mrtp->mb;
+ erts_refc_inc(&mrtp->mb->refc, 1);
+ }
+}
+
+ERTS_GLB_INLINE void
+erts_iref_storage_clean(ErtsIRefStorage *iref)
+{
+ if (iref->is_magic && erts_refc_dectest(&iref->u.mb->refc, 0) == 0)
+ erts_ref_bin_free(iref->u.mb);
+#ifdef DEBUG
+ memset((void *) iref, 0xf, sizeof(ErtsIRefStorage));
+#endif
+}
+
+ERTS_GLB_INLINE Uint
+erts_iref_storage_heap_size(ErtsIRefStorage *iref)
+{
+ return iref->is_magic ? ERTS_MAGIC_REF_THING_SIZE : ERTS_REF_THING_SIZE;
+}
+
+ERTS_GLB_INLINE Eterm
+erts_iref_storage_make_ref(ErtsIRefStorage *iref,
+ Eterm **hpp, ErlOffHeap *ohp,
+ int clean_storage)
+{
+ Eterm *hp = *hpp;
+ if (!iref->is_magic) {
+ write_ref_thing(hp, iref->u.num[0], iref->u.num[1],
+ iref->u.num[2]);
+ *hpp += ERTS_REF_THING_SIZE;
+ }
+ else {
+ write_magic_ref_thing(hp, ohp, iref->u.mb);
+ OH_OVERHEAD(ohp, iref->u.mb->orig_size / sizeof(Eterm));
+ *hpp += ERTS_MAGIC_REF_THING_SIZE;
+ /*
+ * If we clean storage, the term inherits the
+ * refc increment of the cleaned storage...
+ */
+ if (!clean_storage)
+ erts_refc_inc(&iref->u.mb->refc, 1);
+ }
+
+#ifdef DEBUG
+ if (clean_storage)
+ memset((void *) iref, 0xf, sizeof(ErtsIRefStorage));
+#endif
+
+ return make_internal_ref(hp);
+}
+
+ERTS_GLB_INLINE int
+erts_iref_storage_cmp(ErtsIRefStorage *iref1,
+ ErtsIRefStorage *iref2)
+{
+ Uint32 *num1 = iref1->is_magic ? iref1->u.mb->refn : iref1->u.num;
+ Uint32 *num2 = iref2->is_magic ? iref2->u.mb->refn : iref2->u.num;
+ return erts_internal_ref_number_cmp(num1, num2);
+}
+
+#endif /* #if ERTS_GLB_INLINE_INCL_FUNC_DEF */
+
+
+/* OIref storage for ordinary internal references only... */
+typedef struct {
+ Uint32 num[ERTS_REF_NUMBERS];
+} ErtsOIRefStorage;
+
+ERTS_GLB_INLINE void erts_oiref_storage_save(ErtsOIRefStorage *oiref,
+ Eterm ref);
+ERTS_GLB_INLINE Eterm erts_oiref_storage_make_ref(ErtsOIRefStorage *oiref,
+ Eterm **hpp);
+ERTS_GLB_INLINE int erts_oiref_storage_cmp(ErtsOIRefStorage *oiref1,
+ ErtsOIRefStorage *oiref2);
+
+#if ERTS_GLB_INLINE_INCL_FUNC_DEF
+
+ERTS_GLB_INLINE void
+erts_oiref_storage_save(ErtsOIRefStorage *oiref, Eterm ref)
+{
+ ErtsORefThing *rtp;
+ ERTS_CT_ASSERT(ERTS_REF_NUMBERS == 3);
+ ASSERT(is_internal_ordinary_ref(ref));
+
+ rtp = (ErtsORefThing *) internal_ref_val(ref);
+
+ oiref->num[0] = rtp->num[0];
+ oiref->num[1] = rtp->num[1];
+ oiref->num[2] = rtp->num[2];
+}
+
+ERTS_GLB_INLINE Eterm
+erts_oiref_storage_make_ref(ErtsOIRefStorage *oiref, Eterm **hpp)
+{
+ Eterm *hp = *hpp;
+ ERTS_CT_ASSERT(ERTS_REF_NUMBERS == 3);
+ write_ref_thing(hp, oiref->num[0], oiref->num[1], oiref->num[2]);
+ *hpp += ERTS_REF_THING_SIZE;
+ return make_internal_ref(hp);
+}
+
+ERTS_GLB_INLINE int
+erts_oiref_storage_cmp(ErtsOIRefStorage *oiref1,
+ ErtsOIRefStorage *oiref2)
+{
+ return erts_internal_ref_number_cmp(oiref1->num, oiref2->num);
+}
+
+#endif /* #if ERTS_GLB_INLINE_INCL_FUNC_DEF */
+
+
+ERTS_GLB_INLINE Eterm
+erts_proc_store_ref(Process *c_p, Uint32 ref[ERTS_MAX_REF_NUMBERS]);
+
+#if ERTS_GLB_INLINE_INCL_FUNC_DEF
+
+ERTS_GLB_INLINE Eterm
+erts_proc_store_ref(Process *c_p, Uint32 ref[ERTS_MAX_REF_NUMBERS])
+{
+ Eterm *hp = HAlloc(c_p, ERTS_REF_THING_SIZE);
+ write_ref_thing(hp, ref[0], ref[1], ref[2]);
+ return make_internal_ref(hp);
+}
+
+#endif
+
#endif /* ERTS_BIF_UNIQUE_H__ */
+
+#if (defined(ERTS_ALLOC_C__) || defined(ERL_BIF_UNIQUE_C__)) \
+ && !defined(ERTS_BIF_UNIQUE_H__FIX_ALLOC_TYPES__)
+#define ERTS_BIF_UNIQUE_H__FIX_ALLOC_TYPES__
+
+#include "hash.h"
+
+typedef struct {
+ HashBucket hash;
+ ErtsMagicBinary *mb;
+ Uint64 value;
+} ErtsNSchedMagicRefTableEntry;
+
+#endif