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-rw-r--r--erts/emulator/beam/erl_message.h476
1 files changed, 347 insertions, 129 deletions
diff --git a/erts/emulator/beam/erl_message.h b/erts/emulator/beam/erl_message.h
index 771eba431f..6df969367b 100644
--- a/erts/emulator/beam/erl_message.h
+++ b/erts/emulator/beam/erl_message.h
@@ -1,18 +1,19 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 1997-2012. All Rights Reserved.
+ * Copyright Ericsson AB 1997-2016. All Rights Reserved.
*
- * The contents of this file are subject to the Erlang Public License,
- * Version 1.1, (the "License"); you may not use this file except in
- * compliance with the License. You should have received a copy of the
- * Erlang Public License along with this software. If not, it can be
- * retrieved online at http://www.erlang.org/.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
*
- * Software distributed under the License is distributed on an "AS IS"
- * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
- * the License for the specific language governing rights and limitations
- * under the License.
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
*
* %CopyrightEnd%
*/
@@ -23,6 +24,8 @@
struct proc_bin;
struct external_thing_;
+typedef struct erl_mesg ErtsMessage;
+
/*
* This struct represents data that must be updated by structure copy,
* but is stored outside of any heap.
@@ -31,9 +34,6 @@ struct external_thing_;
struct erl_off_heap_header {
Eterm thing_word;
Uint size;
-#if HALFWORD_HEAP
- void* dummy_ptr_padding__;
-#endif
struct erl_off_heap_header* next;
};
@@ -46,9 +46,63 @@ typedef struct erl_off_heap {
Uint64 overhead; /* Administrative overhead (used to force GC). */
} ErlOffHeap;
+#define ERTS_INIT_OFF_HEAP(OHP) \
+ do { \
+ (OHP)->first = NULL; \
+ (OHP)->overhead = 0; \
+ } while (0)
+
+typedef struct {
+ enum {
+ FACTORY_CLOSED = 0,
+ FACTORY_HALLOC,
+ FACTORY_MESSAGE,
+ FACTORY_HEAP_FRAGS,
+ FACTORY_STATIC,
+ FACTORY_TMP
+ } mode;
+ Process* p;
+ Eterm* hp_start;
+ Eterm* hp;
+ Eterm* hp_end;
+ ErtsMessage *message;
+ struct erl_heap_fragment* heap_frags;
+ struct erl_heap_fragment* heap_frags_saved;
+ Uint heap_frags_saved_used;
+ ErlOffHeap* off_heap;
+ ErlOffHeap off_heap_saved;
+ Uint32 alloc_type;
+} ErtsHeapFactory;
+
+void erts_factory_proc_init(ErtsHeapFactory*, Process*);
+void erts_factory_proc_prealloc_init(ErtsHeapFactory*, Process*, Sint size);
+void erts_factory_heap_frag_init(ErtsHeapFactory*, struct erl_heap_fragment*);
+ErtsMessage *erts_factory_message_create(ErtsHeapFactory *, Process *,
+ ErtsProcLocks *, Uint sz);
+void erts_factory_selfcontained_message_init(ErtsHeapFactory*, ErtsMessage *, Eterm *);
+void erts_factory_static_init(ErtsHeapFactory*, Eterm* hp, Uint size, ErlOffHeap*);
+void erts_factory_tmp_init(ErtsHeapFactory*, Eterm* hp, Uint size, Uint32 atype);
+void erts_factory_dummy_init(ErtsHeapFactory*);
+
+Eterm* erts_produce_heap(ErtsHeapFactory*, Uint need, Uint xtra);
+Eterm* erts_reserve_heap(ErtsHeapFactory*, Uint need);
+void erts_factory_close(ErtsHeapFactory*);
+void erts_factory_trim_and_close(ErtsHeapFactory*,Eterm *brefs, Uint brefs_size);
+void erts_factory_undo(ErtsHeapFactory*);
+
+#ifdef CHECK_FOR_HOLES
+# define ERTS_FACTORY_HOLE_CHECK(f) do { \
+ /*if ((f)->p) erts_check_for_holes((f)->p);*/ \
+ } while (0)
+#else
+# define ERTS_FACTORY_HOLE_CHECK(p)
+#endif
+
#include "external.h"
#include "erl_process.h"
+#define ERTS_INVALID_HFRAG_PTR ((ErlHeapFragment *) ~((UWord) 7))
+
/*
* This struct represents a heap fragment, which is used when there
* isn't sufficient room in the process heap and we can't do a GC.
@@ -58,38 +112,58 @@ typedef struct erl_heap_fragment ErlHeapFragment;
struct erl_heap_fragment {
ErlHeapFragment* next; /* Next heap fragment */
ErlOffHeap off_heap; /* Offset heap data. */
- unsigned alloc_size; /* Size in (half)words of mem */
- unsigned used_size; /* With terms to be moved to heap by GC */
+ Uint alloc_size; /* Size in (half)words of mem */
+ Uint used_size; /* With terms to be moved to heap by GC */
Eterm mem[1]; /* Data */
};
-typedef struct erl_mesg {
- struct erl_mesg* next; /* Next message */
- union {
- ErtsDistExternal *dist_ext;
- ErlHeapFragment *heap_frag;
- void *attached;
- } data;
+/* m[0] = message, m[1] = seq trace token */
+#define ERL_MESSAGE_REF_ARRAY_SZ 2
+#define ERL_MESSAGE_TERM(mp) ((mp)->m[0])
+#define ERL_MESSAGE_TOKEN(mp) ((mp)->m[1])
+
#ifdef USE_VM_PROBES
- Eterm m[3]; /* m[0] = message, m[1] = seq trace token, m[3] = dynamic trace user tag */
+/* m[2] = dynamic trace user tag */
+#undef ERL_MESSAGE_REF_ARRAY_SZ
+#define ERL_MESSAGE_REF_ARRAY_SZ 3
+#define ERL_MESSAGE_DT_UTAG(mp) ((mp)->m[2])
#else
- Eterm m[2]; /* m[0] = message, m[1] = seq trace token */
#endif
-} ErlMessage;
-#define ERL_MESSAGE_TERM(mp) ((mp)->m[0])
-#define ERL_MESSAGE_TOKEN(mp) ((mp)->m[1])
#ifdef USE_VM_PROBES
-#define ERL_MESSAGE_DT_UTAG(mp) ((mp)->m[2])
+#define have_no_seqtrace(T) ((T) == NIL || (T) == am_have_dt_utag)
+#else
+#define have_no_seqtrace(T) ((T) == NIL)
#endif
+#define have_seqtrace(T) (!have_no_seqtrace(T))
+
+#define ERL_MESSAGE_REF_FIELDS__ \
+ ErtsMessage *next; /* Next message */ \
+ union { \
+ ErtsDistExternal *dist_ext; \
+ ErlHeapFragment *heap_frag; \
+ void *attached; \
+ } data; \
+ Eterm m[ERL_MESSAGE_REF_ARRAY_SZ]
+
+
+typedef struct erl_msg_ref__ {
+ ERL_MESSAGE_REF_FIELDS__;
+} ErtsMessageRef;
+
+struct erl_mesg {
+ ERL_MESSAGE_REF_FIELDS__;
+
+ ErlHeapFragment hfrag;
+};
/* Size of default message buffer (erl_message.c) */
#define ERL_MESSAGE_BUF_SZ 500
typedef struct {
- ErlMessage* first;
- ErlMessage** last; /* point to the last next pointer */
- ErlMessage** save;
+ ErtsMessage* first;
+ ErtsMessage** last; /* point to the last next pointer */
+ ErtsMessage** save;
Sint len; /* queue length */
/*
@@ -97,65 +171,81 @@ typedef struct {
* recv_set/1 instructions.
*/
BeamInstr* mark; /* address to rec_loop/2 instruction */
- ErlMessage** saved_last; /* saved last pointer */
+ ErtsMessage** saved_last; /* saved last pointer */
} ErlMessageQueue;
#ifdef ERTS_SMP
typedef struct {
- ErlMessage* first;
- ErlMessage** last; /* point to the last next pointer */
+ ErtsMessage* first;
+ ErtsMessage** last; /* point to the last next pointer */
Sint len; /* queue length */
} ErlMessageInQueue;
+typedef struct erl_trace_message_queue__ {
+ struct erl_trace_message_queue__ *next; /* point to the next receiver */
+ Eterm receiver;
+ ErtsMessage* first;
+ ErtsMessage** last; /* point to the last next pointer */
+ Sint len; /* queue length */
+} ErlTraceMessageQueue;
+
#endif
/* Get "current" message */
#define PEEK_MESSAGE(p) (*(p)->msg.save)
+#ifdef USE_VM_PROBES
+#define LINK_MESSAGE_DTAG(mp, dt) ERL_MESSAGE_DT_UTAG(mp) = dt
+#else
+#define LINK_MESSAGE_DTAG(mp, dt)
+#endif
-/* Add message last in private message queue */
-#define LINK_MESSAGE_PRIVQ(p, mp) do { \
- *(p)->msg.last = (mp); \
- (p)->msg.last = &(mp)->next; \
- (p)->msg.len++; \
-} while(0)
-
+#define LINK_MESSAGE_IMPL(p, first_msg, last_msg, num_msgs, where) do { \
+ *(p)->where.last = (first_msg); \
+ (p)->where.last = (last_msg); \
+ (p)->where.len += (num_msgs); \
+ } while(0)
#ifdef ERTS_SMP
-/* Move in message queue to end of private message queue */
-#define ERTS_SMP_MSGQ_MV_INQ2PRIVQ(P) \
-do { \
- if ((P)->msg_inq.first) { \
- *(P)->msg.last = (P)->msg_inq.first; \
- (P)->msg.last = (P)->msg_inq.last; \
- (P)->msg.len += (P)->msg_inq.len; \
- (P)->msg_inq.first = NULL; \
- (P)->msg_inq.last = &(P)->msg_inq.first; \
- (P)->msg_inq.len = 0; \
- } \
-} while (0)
-
-/* Add message last in message queue */
-#define LINK_MESSAGE(p, mp) do { \
- *(p)->msg_inq.last = (mp); \
- (p)->msg_inq.last = &(mp)->next; \
- (p)->msg_inq.len++; \
-} while(0)
+/* Add message last in private message queue */
+#define LINK_MESSAGE_PRIVQ(p, first_msg, last_msg, len) \
+ do { \
+ LINK_MESSAGE_IMPL(p, first_msg, last_msg, len, msg); \
+ } while (0)
+
+/* Add message last_msg in message queue */
+#define LINK_MESSAGE(p, first_msg, last_msg, len) \
+ LINK_MESSAGE_IMPL(p, first_msg, last_msg, len, msg_inq)
+
+#define ERTS_SMP_MSGQ_MV_INQ2PRIVQ(p) \
+ do { \
+ if (p->msg_inq.first) { \
+ *p->msg.last = p->msg_inq.first; \
+ p->msg.last = p->msg_inq.last; \
+ p->msg.len += p->msg_inq.len; \
+ p->msg_inq.first = NULL; \
+ p->msg_inq.last = &p->msg_inq.first; \
+ p->msg_inq.len = 0; \
+ } \
+ } while (0)
#else
-#define ERTS_SMP_MSGQ_MV_INQ2PRIVQ(P)
+#define ERTS_SMP_MSGQ_MV_INQ2PRIVQ(p)
-/* Add message last in message queue */
-#define LINK_MESSAGE(p, mp) LINK_MESSAGE_PRIVQ((p), (mp))
+/* Add message last_msg in message queue */
+#define LINK_MESSAGE(p, first_msg, last_msg, len) \
+ do { \
+ LINK_MESSAGE_IMPL(p, first_msg, last_msg, len, msg); \
+ } while(0)
#endif
/* Unlink current message */
#define UNLINK_MESSAGE(p,msgp) do { \
- ErlMessage* __mp = (msgp)->next; \
+ ErtsMessage* __mp = (msgp)->next; \
*(p)->msg.save = __mp; \
(p)->msg.len--; \
if (__mp == NULL) \
@@ -171,102 +261,207 @@ do { \
#define SAVE_MESSAGE(p) \
(p)->msg.save = &(*(p)->msg.save)->next
-/*
- * ErtsMoveMsgAttachmentIntoProc() moves data attached to a message
- * onto the heap of a process. The attached data is the content of
- * the the message either on the internal format or on the external
- * format, and also possibly a seq trace token on the internal format.
- * If the message content is on the external format, the decode might
- * fail. If the decoding fails, ERL_MESSAGE_TERM(M) will contain
- * THE_NON_VALUE. That is, ERL_MESSAGE_TERM(M) *has* to be checked
- * afterwards and taken care of appropriately.
- *
- * ErtsMoveMsgAttachmentIntoProc() will shallow copy to heap if
- * possible; otherwise, move to heap via garbage collection.
- *
- * ErtsMoveMsgAttachmentIntoProc() is used when receiveing messages
- * in process_main() and in hipe_check_get_msg().
- */
-
-#define ErtsMoveMsgAttachmentIntoProc(M, P, ST, HT, FC, SWPO, SWPI) \
-do { \
- if ((M)->data.attached) { \
- Uint need__ = erts_msg_attached_data_size((M)); \
- if ((ST) - (HT) >= need__) { \
- Uint *htop__ = (HT); \
- erts_move_msg_attached_data_to_heap(&htop__, &MSO((P)), (M));\
- ASSERT(htop__ - (HT) <= need__); \
- (HT) = htop__; \
- } \
- else { \
- { SWPO ; } \
- (FC) -= erts_garbage_collect((P), 0, NULL, 0); \
- { SWPI ; } \
- } \
- ASSERT(!(M)->data.attached); \
- } \
-} while (0)
-
#define ERTS_SND_FLG_NO_SEQ_TRACE (((unsigned) 1) << 0)
#define ERTS_HEAP_FRAG_SIZE(DATA_WORDS) \
(sizeof(ErlHeapFragment) - sizeof(Eterm) + (DATA_WORDS)*sizeof(Eterm))
-#define ERTS_INIT_HEAP_FRAG(HEAP_FRAG_P, DATA_WORDS) \
-do { \
- (HEAP_FRAG_P)->next = NULL; \
- (HEAP_FRAG_P)->alloc_size = (DATA_WORDS); \
- (HEAP_FRAG_P)->used_size = (DATA_WORDS); \
- (HEAP_FRAG_P)->off_heap.first = NULL; \
- (HEAP_FRAG_P)->off_heap.overhead = 0; \
-} while (0)
+#define ERTS_INIT_HEAP_FRAG(HEAP_FRAG_P, USED_WORDS, DATA_WORDS) \
+ do { \
+ (HEAP_FRAG_P)->next = NULL; \
+ (HEAP_FRAG_P)->alloc_size = (DATA_WORDS); \
+ (HEAP_FRAG_P)->used_size = (USED_WORDS); \
+ (HEAP_FRAG_P)->off_heap.first = NULL; \
+ (HEAP_FRAG_P)->off_heap.overhead = 0; \
+ } while (0)
+
+#ifdef USE_VM_PROBES
+#define ERL_MESSAGE_DT_UTAG_INIT(MP) ERL_MESSAGE_DT_UTAG(MP) = NIL
+#else
+#define ERL_MESSAGE_DT_UTAG_INIT(MP) do{ } while (0)
+#endif
+
+#define ERTS_INIT_MESSAGE(MP) \
+ do { \
+ (MP)->next = NULL; \
+ ERL_MESSAGE_TERM(MP) = THE_NON_VALUE; \
+ ERL_MESSAGE_TOKEN(MP) = NIL; \
+ ERL_MESSAGE_DT_UTAG_INIT(MP); \
+ MP->data.attached = NULL; \
+ } while (0)
void init_message(void);
-void free_message(ErlMessage *);
ErlHeapFragment* new_message_buffer(Uint);
ErlHeapFragment* erts_resize_message_buffer(ErlHeapFragment *, Uint,
Eterm *, Uint);
void free_message_buffer(ErlHeapFragment *);
-void erts_queue_dist_message(Process*, ErtsProcLocks*, ErtsDistExternal *, Eterm);
-void erts_queue_message(Process*, ErtsProcLocks*, ErlHeapFragment*, Eterm, Eterm
-#ifdef USE_VM_PROBES
- , Eterm dt_utag
-#endif
-);
+void erts_queue_dist_message(Process*, ErtsProcLocks, ErtsDistExternal *, Eterm, Eterm);
+Sint erts_queue_message(Process*, ErtsProcLocks,ErtsMessage*, Eterm, Eterm);
+Sint erts_queue_messages(Process*, ErtsProcLocks,
+ ErtsMessage*, ErtsMessage**, Uint, Eterm);
void erts_deliver_exit_message(Eterm, Process*, ErtsProcLocks *, Eterm, Eterm);
Sint erts_send_message(Process*, Process*, ErtsProcLocks*, Eterm, unsigned);
void erts_link_mbuf_to_proc(Process *proc, ErlHeapFragment *bp);
-void erts_move_msg_mbuf_to_heap(Eterm**, ErlOffHeap*, ErlMessage *);
+Uint erts_msg_attached_data_size_aux(ErtsMessage *msg);
-Uint erts_msg_attached_data_size_aux(ErlMessage *msg);
-void erts_move_msg_attached_data_to_heap(Eterm **, ErlOffHeap *, ErlMessage *);
+void erts_cleanup_offheap(ErlOffHeap *offheap);
+void erts_save_message_in_proc(Process *p, ErtsMessage *msg);
+Sint erts_move_messages_off_heap(Process *c_p);
+Sint erts_complete_off_heap_message_queue_change(Process *c_p);
+Eterm erts_change_message_queue_management(Process *c_p, Eterm new_state);
-Eterm erts_msg_distext2heap(Process *, ErtsProcLocks *, ErlHeapFragment **,
- Eterm *, ErtsDistExternal *);
+int erts_decode_dist_message(Process *, ErtsProcLocks, ErtsMessage *, int);
-void erts_cleanup_offheap(ErlOffHeap *offheap);
+void erts_cleanup_messages(ErtsMessage *mp);
+
+typedef struct {
+ Uint size;
+ ErtsMessage *msgp;
+} ErtsMessageInfo;
+
+Uint erts_prep_msgq_for_inspection(Process *c_p,
+ Process *rp,
+ ErtsProcLocks rp_locks,
+ ErtsMessageInfo *mip);
+
+void *erts_alloc_message_ref(void);
+void erts_free_message_ref(void *);
+
+#define ERTS_SMALL_FIX_MSG_SZ 10
+#define ERTS_MEDIUM_FIX_MSG_SZ 20
+#define ERTS_LARGE_FIX_MSG_SZ 30
+
+void *erts_alloc_small_message(void);
+void erts_free_small_message(void *mp);
+
+typedef struct {
+ ErtsMessage m;
+ Eterm data[ERTS_SMALL_FIX_MSG_SZ-1];
+} ErtsSmallFixSzMessage;
+typedef struct {
+ ErtsMessage m;
+ Eterm data[ERTS_MEDIUM_FIX_MSG_SZ-1];
+} ErtsMediumFixSzMessage;
-ERTS_GLB_INLINE Uint erts_msg_used_frag_sz(const ErlMessage *msg);
-ERTS_GLB_INLINE Uint erts_msg_attached_data_size(ErlMessage *msg);
+typedef struct {
+ ErtsMessage m;
+ Eterm data[ERTS_LARGE_FIX_MSG_SZ-1];
+} ErtsLargeFixSzMessage;
+
+ErtsMessage *erts_try_alloc_message_on_heap(Process *pp,
+ erts_aint32_t *psp,
+ ErtsProcLocks *plp,
+ Uint sz,
+ Eterm **hpp,
+ ErlOffHeap **ohpp,
+ int *on_heap_p);
+ErtsMessage *erts_realloc_shrink_message(ErtsMessage *mp, Uint sz,
+ Eterm *brefs, Uint brefs_size);
+
+ERTS_GLB_FORCE_INLINE ErtsMessage *erts_alloc_message(Uint sz, Eterm **hpp);
+ERTS_GLB_FORCE_INLINE ErtsMessage *erts_shrink_message(ErtsMessage *mp, Uint sz,
+ Eterm *brefs, Uint brefs_size);
+ERTS_GLB_FORCE_INLINE void erts_free_message(ErtsMessage *mp);
+ERTS_GLB_INLINE Uint erts_used_frag_sz(const ErlHeapFragment*);
+ERTS_GLB_INLINE Uint erts_msg_attached_data_size(ErtsMessage *msg);
+ERTS_GLB_INLINE void erts_msgq_update_internal_pointers(ErlMessageQueue *msgq,
+ ErtsMessage **newpp,
+ ErtsMessage **oldpp);
+ERTS_GLB_INLINE void erts_msgq_replace_msg_ref(ErlMessageQueue *msgq,
+ ErtsMessage *newp,
+ ErtsMessage **oldpp);
+
+#define ERTS_MSG_COMBINED_HFRAG ((void *) 0x1)
+
+#define erts_message_to_heap_frag(MP) \
+ (((MP)->data.attached == ERTS_MSG_COMBINED_HFRAG) ? \
+ &(MP)->hfrag : (MP)->data.heap_frag)
#if ERTS_GLB_INLINE_INCL_FUNC_DEF
-ERTS_GLB_INLINE Uint erts_msg_used_frag_sz(const ErlMessage *msg)
+
+ERTS_GLB_FORCE_INLINE ErtsMessage *erts_alloc_message(Uint sz, Eterm **hpp)
+{
+ ErtsMessage *mp;
+
+ if (sz == 0) {
+ mp = erts_alloc_message_ref();
+ ERTS_INIT_MESSAGE(mp);
+ if (hpp)
+ *hpp = NULL;
+ return mp;
+ }
+
+ mp = erts_alloc(ERTS_ALC_T_MSG,
+ sizeof(ErtsMessage) + (sz - 1)*sizeof(Eterm));
+
+ ERTS_INIT_MESSAGE(mp);
+ mp->data.attached = ERTS_MSG_COMBINED_HFRAG;
+ ERTS_INIT_HEAP_FRAG(&mp->hfrag, sz, sz);
+
+ if (hpp)
+ *hpp = &mp->hfrag.mem[0];
+
+ return mp;
+}
+
+ERTS_GLB_FORCE_INLINE ErtsMessage *
+erts_shrink_message(ErtsMessage *mp, Uint sz, Eterm *brefs, Uint brefs_size)
+{
+ if (sz == 0) {
+ ErtsMessage *nmp;
+ if (!mp->data.attached)
+ return mp;
+ ASSERT(mp->data.attached == ERTS_MSG_COMBINED_HFRAG);
+ nmp = erts_alloc_message_ref();
+#ifdef DEBUG
+ if (brefs && brefs_size) {
+ int i;
+ for (i = 0; i < brefs_size; i++)
+ ASSERT(is_non_value(brefs[i]) || is_immed(brefs[i]));
+ }
+#endif
+ erts_free(ERTS_ALC_T_MSG, mp);
+ return nmp;
+ }
+
+ ASSERT(mp->data.attached == ERTS_MSG_COMBINED_HFRAG);
+ ASSERT(mp->hfrag.used_size >= sz);
+
+ if (sz >= (mp->hfrag.alloc_size - mp->hfrag.alloc_size / 16)) {
+ mp->hfrag.used_size = sz;
+ return mp;
+ }
+
+ return erts_realloc_shrink_message(mp, sz, brefs, brefs_size);
+}
+
+ERTS_GLB_FORCE_INLINE void erts_free_message(ErtsMessage *mp)
+{
+ if (mp->data.attached != ERTS_MSG_COMBINED_HFRAG)
+ erts_free_message_ref(mp);
+ else
+ erts_free(ERTS_ALC_T_MSG, mp);
+}
+
+ERTS_GLB_INLINE Uint erts_used_frag_sz(const ErlHeapFragment* bp)
{
- const ErlHeapFragment *bp;
Uint sz = 0;
- for (bp = msg->data.heap_frag; bp!=NULL; bp=bp->next) {
+ for ( ; bp!=NULL; bp=bp->next) {
sz += bp->used_size;
}
return sz;
}
-ERTS_GLB_INLINE Uint erts_msg_attached_data_size(ErlMessage *msg)
+ERTS_GLB_INLINE Uint erts_msg_attached_data_size(ErtsMessage *msg)
{
ASSERT(msg->data.attached);
- if (is_value(ERL_MESSAGE_TERM(msg)))
- return erts_msg_used_frag_sz(msg);
+ if (is_value(ERL_MESSAGE_TERM(msg))) {
+ ErlHeapFragment *bp;
+ bp = erts_message_to_heap_frag(msg);
+ return erts_used_frag_sz(bp);
+ }
else if (msg->data.dist_ext->heap_size < 0)
return erts_msg_attached_data_size_aux(msg);
else {
@@ -279,6 +474,29 @@ ERTS_GLB_INLINE Uint erts_msg_attached_data_size(ErlMessage *msg)
return sz;
}
}
+
+ERTS_GLB_INLINE void
+erts_msgq_update_internal_pointers(ErlMessageQueue *msgq,
+ ErtsMessage **newpp,
+ ErtsMessage **oldpp)
+{
+ if (msgq->save == oldpp)
+ msgq->save = newpp;
+ if (msgq->last == oldpp)
+ msgq->last = newpp;
+ if (msgq->saved_last == oldpp)
+ msgq->saved_last = newpp;
+}
+
+ERTS_GLB_INLINE void
+erts_msgq_replace_msg_ref(ErlMessageQueue *msgq, ErtsMessage *newp, ErtsMessage **oldpp)
+{
+ ErtsMessage *oldp = *oldpp;
+ newp->next = oldp->next;
+ erts_msgq_update_internal_pointers(msgq, &newp->next, &oldp->next);
+ *oldpp = newp;
+}
+
#endif
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 05:03:27 +0000