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authorLukas Larsson <[email protected]>2018-12-17 12:25:32 +0100
committerLukas Larsson <[email protected]>2019-02-01 08:50:17 +0100
commit0a2988d3a1a42f18e18ab00b940a0c12b2031ba1 (patch)
tree40e85aee18cb13010abb049d20d171e8ff514e91
parent14fe4c3ccf93c023f851512e573e2bac7d00b232 (diff)
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erts: Remove dead ERTS_MAGIC_REF_BIF_TIMERS code
Using magic refs for big timers caused too large a stress on the off_heap GC implementation to be viable, so it was never enable. The code is now broken because of other changes to we might as well remove it.
-rw-r--r--erts/emulator/beam/erl_hl_timer.c377
1 files changed, 10 insertions, 367 deletions
diff --git a/erts/emulator/beam/erl_hl_timer.c b/erts/emulator/beam/erl_hl_timer.c
index ef7a55fa38..c476d2b74f 100644
--- a/erts/emulator/beam/erl_hl_timer.c
+++ b/erts/emulator/beam/erl_hl_timer.c
@@ -29,8 +29,6 @@
# include "config.h"
#endif
-/* #define ERTS_MAGIC_REF_BIF_TIMERS */
-
#include "sys.h"
#include "global.h"
#include "bif.h"
@@ -39,9 +37,6 @@
#include "erl_time.h"
#include "erl_hl_timer.h"
#include "erl_proc_sig_queue.h"
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
-#include "erl_binary.h"
-#endif
#define ERTS_TMR_CHECK_CANCEL_ON_CREATE 0
@@ -195,14 +190,9 @@ struct ErtsBifTimer_ {
} type;
struct {
erts_atomic32_t state;
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
- ErtsMagicBinary *mbin;
- ErtsHLTimerList proc_list;
-#else
Uint32 refn[ERTS_REF_NUMBERS];
ErtsBifTimerTree proc_tree;
ErtsBifTimerTree tree;
-#endif
Eterm message;
ErlHeapFragment *bp;
} btm;
@@ -220,11 +210,7 @@ typedef ErtsTimer *(*ErtsCreateTimerFunc)(ErtsSchedulerData *esdp,
int short_time, ErtsTmrType type,
void *rcvrp, Eterm rcvr,
Eterm msg,
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
- ErtsMagicBinary *mbin,
-#else
Uint32 *refn,
-#endif
void (*callback)(void *), void *arg);
#ifdef SMALL_MEMORY
@@ -303,16 +289,12 @@ typedef struct {
struct ErtsHLTimerService_ {
ErtsHLTCncldTmrQ canceled_queue;
ErtsHLTimer *time_tree;
-#ifndef ERTS_MAGIC_REF_BIF_TIMERS
ErtsBifTimer *btm_tree;
-#endif
ErtsHLTimer *next_timeout;
ErtsYieldingTimeoutState yield;
ErtsTWheelTimer service_timer;
};
-#ifndef ERTS_MAGIC_REF_BIF_TIMERS
-
static ERTS_INLINE int
refn_is_lt(Uint32 *x, Uint32 *y)
{
@@ -334,8 +316,6 @@ refn_is_eq(Uint32 *x, Uint32 *y)
return (x[0] == y[0]) & (x[1] == y[1]) & (x[2] == y[2]);
}
-#endif
-
#define ERTS_RBT_PREFIX time
#define ERTS_RBT_T ErtsHLTimer
#define ERTS_RBT_KEY_T ErtsMonotonicTime
@@ -525,13 +505,7 @@ same_time_list_lookup(ErtsHLTimer *root, ErtsHLTimer *x)
#endif /* ERTS_HLT_HARD_DEBUG */
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
-#define ERTS_BTM_HLT2REFN(T) ((T)->btm.mbin->refn)
-#else
#define ERTS_BTM_HLT2REFN(T) ((T)->btm.refn)
-#endif
-
-#ifndef ERTS_MAGIC_REF_BIF_TIMERS
#define ERTS_RBT_PREFIX btm
#define ERTS_RBT_T ErtsBifTimer
@@ -576,87 +550,12 @@ same_time_list_lookup(ErtsHLTimer *root, ErtsHLTimer *x)
#define ERTS_RBT_IS_EQ(KX, KY) refn_is_eq((KX), (KY))
#define ERTS_RBT_WANT_DELETE
#define ERTS_RBT_WANT_INSERT
-#ifndef ERTS_MAGIC_REF_BIF_TIMERS
#define ERTS_RBT_WANT_LOOKUP
-#endif
#define ERTS_RBT_WANT_FOREACH
#define ERTS_RBT_UNDEF
#include "erl_rbtree.h"
-#endif /* !ERTS_MAGIC_REF_BIF_TIMERS */
-
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
-
-static ERTS_INLINE void
-proc_btm_list_insert(ErtsBifTimer **list, ErtsBifTimer *x)
-{
- ErtsBifTimer *y = *list;
- if (!y) {
- x->btm.proc_list.next = x;
- x->btm.proc_list.prev = x;
- *list = x;
- }
- else {
- ERTS_HLT_ASSERT(y->btm.proc_list.prev->btm.proc_list.next == y);
- x->btm.proc_list.next = y;
- x->btm.proc_list.prev = y->btm.proc_list.prev;
- y->btm.proc_list.prev->btm.proc_list.next = x;
- y->btm.proc_list.prev = x;
- }
-}
-
-static ERTS_INLINE void
-proc_btm_list_delete(ErtsBifTimer **list, ErtsBifTimer *x)
-{
- ErtsBifTimer *y = *list;
- if (y == x && x->btm.proc_list.next == x) {
- ERTS_HLT_ASSERT(x->btm.proc_list.prev == x);
- *list = NULL;
- }
- else {
- if (y == x)
- *list = x->btm.proc_list.next;
- ERTS_HLT_ASSERT(x->btm.proc_list.prev->btm.proc_list.next == x);
- ERTS_HLT_ASSERT(x->btm.proc_list.next->btm.proc_list.prev == x);
- x->btm.proc_list.prev->btm.proc_list.next = x->btm.proc_list.next;
- x->btm.proc_list.next->btm.proc_list.prev = x->btm.proc_list.prev;
- }
- x->btm.proc_list.next = NULL;
-}
-
-static ERTS_INLINE int
-proc_btm_list_foreach_destroy_yielding(ErtsBifTimer **list,
- void (*destroy)(ErtsBifTimer *, void *),
- void *arg,
- int limit)
-{
- int i;
- ErtsBifTimer *first, *last;
-
- first = *list;
- if (!first)
- return 0;
-
- last = first->btm.proc_list.prev;
- for (i = 0; i < limit; i++) {
- ErtsBifTimer *x = last;
- last = last->btm.proc_list.prev;
- (*destroy)(x, arg);
- x->btm.proc_list.next = NULL;
- if (x == first) {
- *list = NULL;
- return 0;
- }
- }
-
- last->btm.proc_list.next = first;
- first->btm.proc_list.prev = last;
- return 1;
-}
-
-#else /* !ERTS_MAGIC_REF_BIF_TIMERS */
-
#define ERTS_RBT_PREFIX proc_btm
#define ERTS_RBT_T ErtsBifTimer
#define ERTS_RBT_KEY_T Uint32 *
@@ -700,16 +599,12 @@ proc_btm_list_foreach_destroy_yielding(ErtsBifTimer **list,
#define ERTS_RBT_IS_EQ(KX, KY) refn_is_eq((KX), (KY))
#define ERTS_RBT_WANT_DELETE
#define ERTS_RBT_WANT_INSERT
-#ifndef ERTS_MAGIC_REF_BIF_TIMERS
#define ERTS_RBT_WANT_LOOKUP
-#endif
#define ERTS_RBT_WANT_FOREACH_DESTROY_YIELDING
#define ERTS_RBT_UNDEF
#include "erl_rbtree.h"
-#endif /* !ERTS_MAGIC_REF_BIF_TIMERS */
-
static void init_canceled_queue(ErtsHLTCncldTmrQ *cq);
void
@@ -728,9 +623,7 @@ erts_create_timer_service(void)
srv = erts_alloc_permanent_cache_aligned(ERTS_ALC_T_TIMER_SERVICE,
sizeof(ErtsHLTimerService));
srv->time_tree = NULL;
-#ifndef ERTS_MAGIC_REF_BIF_TIMERS
srv->btm_tree = NULL;
-#endif
srv->next_timeout = NULL;
srv->yield = init_yield;
erts_twheel_init_timer(&srv->service_timer);
@@ -805,40 +698,10 @@ port_timeout_common(Port *port, void *tmr)
return 0;
}
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
-
-static erts_atomic_t *
-mbin_to_btmref__(ErtsMagicBinary *mbin)
-{
- return erts_binary_to_magic_indirection((Binary *) mbin);
-}
-
-static ERTS_INLINE void
-magic_binary_init(ErtsMagicBinary *mbin, ErtsBifTimer *tmr)
-{
- erts_atomic_t *aptr = mbin_to_btmref__(mbin);
- erts_atomic_init_nob(aptr, (erts_aint_t) tmr);
-}
-
-static ERTS_INLINE ErtsBifTimer *
-magic_binary_to_btm(ErtsMagicBinary *mbin)
-{
- erts_atomic_t *aptr = mbin_to_btmref__(mbin);
- ErtsBifTimer *tmr = (ErtsBifTimer *) erts_atomic_read_nob(aptr);
- ERTS_HLT_ASSERT(!tmr || tmr->btm.mbin == mbin);
- return tmr;
-}
-
-#endif /* ERTS_MAGIC_REF_BIF_TIMERS */
-
static ERTS_INLINE erts_aint_t
init_btm_specifics(ErtsSchedulerData *esdp,
ErtsBifTimer *tmr, Eterm msg,
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
- ErtsMagicBinary *mbin
-#else
Uint32 *refn
-#endif
)
{
Uint hsz = is_immed(msg) ? ((Uint) 0) : size_object(msg);
@@ -853,13 +716,6 @@ init_btm_specifics(ErtsSchedulerData *esdp,
tmr->btm.message = copy_struct(msg, hsz, &hp, &bp->off_heap);
tmr->btm.bp = bp;
}
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
- refc = 1;
- tmr->btm.mbin = mbin;
- erts_refc_inc(&mbin->refc, 1);
- magic_binary_init(mbin, tmr);
- tmr->btm.proc_list.next = NULL;
-#else
refc = 0;
tmr->btm.refn[0] = refn[0];
tmr->btm.refn[1] = refn[1];
@@ -868,7 +724,6 @@ init_btm_specifics(ErtsSchedulerData *esdp,
tmr->btm.proc_tree.parent = ERTS_HLT_PFIELD_NOT_IN_TABLE;
btm_rbt_insert(&esdp->timer_service->btm_tree, tmr);
-#endif
erts_atomic32_init_nob(&tmr->btm.state, ERTS_TMR_STATE_ACTIVE);
return refc; /* refc from magic binary... */
@@ -886,11 +741,6 @@ timer_destroy(ErtsTimer *tmr, int twt, int btm)
erts_free(ERTS_ALC_T_HL_PTIMER, tmr);
}
else {
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
- Binary *bp = (Binary *) tmr->btm.btm.mbin;
- if (erts_refc_dectest(&bp->refc, 0) == 0)
- erts_bin_free(bp);
-#endif
if (tmr->head.roflgs & ERTS_TMR_ROFLG_PRE_ALC)
bif_timer_pre_free(&tmr->btm);
else
@@ -940,9 +790,6 @@ schedule_tw_timer_destroy(ErtsTWTimer *tmr)
else {
/* Message buffer already dropped... */
size = sizeof(ErtsBifTimer);
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
- size += sizeof(ErtsMagicIndirectionWord);
-#endif
}
erts_schedule_thr_prgr_later_cleanup_op(
@@ -1006,11 +853,7 @@ create_tw_timer(ErtsSchedulerData *esdp,
int short_time, ErtsTmrType type,
void *rcvrp, Eterm rcvr,
Eterm msg,
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
- ErtsMagicBinary *mbin,
-#else
Uint32 *refn,
-#endif
void (*callback)(void *), void *arg)
{
ErtsTWTimer *tmr;
@@ -1087,11 +930,7 @@ create_tw_timer(ErtsSchedulerData *esdp,
refc += init_btm_specifics(esdp,
(ErtsBifTimer *) tmr,
msg,
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
- mbin
-#else
refn
-#endif
);
break;
@@ -1152,9 +991,6 @@ schedule_hl_timer_destroy(ErtsHLTimer *tmr, Uint32 roflgs)
else {
/* Message buffer already dropped... */
size = sizeof(ErtsBifTimer);
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
- size += sizeof(ErtsMagicIndirectionWord);
-#endif
}
erts_schedule_thr_prgr_later_cleanup_op(
@@ -1192,34 +1028,6 @@ check_canceled_queue(ErtsSchedulerData *esdp, ErtsHLTimerService *srv)
#endif
}
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
-
-static int
-bif_timer_ref_destructor(Binary *unused)
-{
- return 1;
-}
-
-static ERTS_INLINE void
-btm_clear_magic_binary(ErtsBifTimer *tmr)
-{
- erts_atomic_t *aptr = mbin_to_btmref__(tmr->btm.mbin);
- Uint32 roflgs = tmr->type.head.roflgs;
-#ifdef ERTS_HLT_DEBUG
- erts_aint_t tval = erts_atomic_xchg_nob(aptr,
- (erts_aint_t) NULL);
- ERTS_HLT_ASSERT(tval == (erts_aint_t) tmr);
-#else
- erts_atomic_set_nob(aptr, (erts_aint_t) NULL);
-#endif
- if (roflgs & ERTS_TMR_ROFLG_HLT)
- hl_timer_dec_refc(&tmr->type.hlt, roflgs);
- else
- tw_timer_dec_refc(&tmr->type.twt);
-}
-
-#endif /* ERTS_MAGIC_REF_BIF_TIMERS */
-
static ERTS_INLINE void
bif_timer_timeout(ErtsHLTimerService *srv,
ErtsBifTimer *tmr,
@@ -1240,10 +1048,6 @@ bif_timer_timeout(ErtsHLTimerService *srv,
if (state == ERTS_TMR_STATE_ACTIVE) {
Process *proc;
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
- btm_clear_magic_binary(tmr);
-#endif
-
if (roflgs & ERTS_TMR_ROFLG_REG_NAME) {
Eterm term;
term = tmr->type.head.receiver.name;
@@ -1266,18 +1070,11 @@ bif_timer_timeout(ErtsHLTimerService *srv,
erts_proc_lock(proc, ERTS_PROC_LOCK_BTM);
/* If the process is exiting do not disturb the cleanup... */
if (!ERTS_PROC_IS_EXITING(proc)) {
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
- if (tmr->btm.proc_list.next) {
- proc_btm_list_delete(&proc->bif_timers, tmr);
- dec_refc = 1;
- }
-#else
if (tmr->btm.proc_tree.parent != ERTS_HLT_PFIELD_NOT_IN_TABLE) {
proc_btm_rbt_delete(&proc->bif_timers, tmr);
tmr->btm.proc_tree.parent = ERTS_HLT_PFIELD_NOT_IN_TABLE;
dec_refc = 1;
}
-#endif
}
erts_proc_unlock(proc, ERTS_PROC_LOCK_BTM);
if (dec_refc)
@@ -1287,25 +1084,18 @@ bif_timer_timeout(ErtsHLTimerService *srv,
free_message_buffer(tmr->btm.bp);
}
-#ifndef ERTS_MAGIC_REF_BIF_TIMERS
if (tmr->btm.tree.parent != ERTS_HLT_PFIELD_NOT_IN_TABLE) {
btm_rbt_delete(&srv->btm_tree, tmr);
tmr->btm.tree.parent = ERTS_HLT_PFIELD_NOT_IN_TABLE;
}
-#endif
-
}
static void
tw_bif_timer_timeout(void *vbtmp)
{
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
- ErtsHLTimerService *srv = NULL;
-#else
ErtsSchedulerData *esdp = erts_get_scheduler_data();
ErtsHLTimerService *srv = esdp->timer_service;
-#endif
ErtsBifTimer *btmp = (ErtsBifTimer *) vbtmp;
bif_timer_timeout(srv, btmp, btmp->type.head.roflgs);
tw_timer_dec_refc(&btmp->type.twt);
@@ -1317,11 +1107,7 @@ create_hl_timer(ErtsSchedulerData *esdp,
int short_time, ErtsTmrType type,
void *rcvrp, Eterm rcvr,
Eterm msg,
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
- ErtsMagicBinary *mbin,
-#else
Uint32 *refn,
-#endif
void (*callback)(void *), void *arg)
{
ErtsHLTimerService *srv = esdp->timer_service;
@@ -1407,11 +1193,7 @@ create_hl_timer(ErtsSchedulerData *esdp,
refc += init_btm_specifics(esdp,
(ErtsBifTimer *) tmr,
msg,
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
- mbin
-#else
refn
-#endif
);
}
@@ -1628,7 +1410,6 @@ cleanup_sched_local_canceled_timer(ErtsSchedulerData *esdp,
ERTS_HLT_ASSERT((tmr->head.roflgs & ERTS_TMR_ROFLG_SID_MASK)
== (Uint32) esdp->no);
-#ifndef ERTS_MAGIC_REF_BIF_TIMERS
if (roflgs & ERTS_TMR_ROFLG_BIF_TMR) {
ErtsBifTimer *btm = (ErtsBifTimer *) tmr;
if (btm->btm.tree.parent != ERTS_HLT_PFIELD_NOT_IN_TABLE) {
@@ -1636,7 +1417,6 @@ cleanup_sched_local_canceled_timer(ErtsSchedulerData *esdp,
btm->btm.tree.parent = ERTS_HLT_PFIELD_NOT_IN_TABLE;
}
}
-#endif
if (roflgs & ERTS_TMR_ROFLG_HLT) {
hlt_delete_timer(esdp, &tmr->hlt);
@@ -1909,9 +1689,6 @@ setup_bif_timer(Process *c_p, int twheel, ErtsMonotonicTime timeout_pos,
Eterm ref, tmo_msg, *hp;
ErtsBifTimer *tmr;
ErtsSchedulerData *esdp;
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
- Binary *mbin;
-#endif
Eterm tmp_hp[4];
ErtsCreateTimerFunc create_timer;
@@ -1920,18 +1697,10 @@ setup_bif_timer(Process *c_p, int twheel, ErtsMonotonicTime timeout_pos,
esdp = erts_proc_sched_data(c_p);
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
- mbin = erts_create_magic_indirection(bif_timer_ref_destructor);
- hp = HAlloc(c_p, ERTS_MAGIC_REF_THING_SIZE);
- ref = erts_mk_magic_ref(&hp, &c_p->off_heap, mbin);
- ASSERT(erts_get_ref_numbers_thr_id(((ErtsMagicBinary *)mbin)->refn)
- == (Uint32) esdp->no);
-#else
hp = HAlloc(c_p, ERTS_REF_THING_SIZE);
ref = erts_sched_make_ref_in_buffer(esdp, hp);
ASSERT(erts_get_ref_numbers_thr_id(internal_ordinary_ref_numbers(ref))
== (Uint32) esdp->no);
-#endif
tmo_msg = wrap ? TUPLE3(tmp_hp, am_timeout, ref, msg) : msg;
@@ -1939,11 +1708,7 @@ setup_bif_timer(Process *c_p, int twheel, ErtsMonotonicTime timeout_pos,
tmr = (ErtsBifTimer *) create_timer(esdp, timeout_pos,
short_time, ERTS_TMR_BIF,
NULL, rcvr, tmo_msg,
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
- (ErtsMagicBinary *) mbin,
-#else
internal_ordinary_ref_numbers(ref),
-#endif
NULL, NULL);
if (is_internal_pid(rcvr)) {
@@ -1951,14 +1716,10 @@ setup_bif_timer(Process *c_p, int twheel, ErtsMonotonicTime timeout_pos,
rcvr, ERTS_PROC_LOCK_BTM,
ERTS_P2P_FLG_INC_REFC);
if (!proc) {
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
- btm_clear_magic_binary(tmr);
-#else
if (tmr->btm.tree.parent != ERTS_HLT_PFIELD_NOT_IN_TABLE) {
btm_rbt_delete(&esdp->timer_service->btm_tree, tmr);
tmr->btm.tree.parent = ERTS_HLT_PFIELD_NOT_IN_TABLE;
}
-#endif
if (tmr->btm.bp)
free_message_buffer(tmr->btm.bp);
if (twheel)
@@ -1968,11 +1729,7 @@ setup_bif_timer(Process *c_p, int twheel, ErtsMonotonicTime timeout_pos,
timer_destroy((ErtsTimer *) tmr, twheel, 1);
}
else {
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
- proc_btm_list_insert(&proc->bif_timers, tmr);
-#else
proc_btm_rbt_insert(&proc->bif_timers, tmr);
-#endif
erts_proc_unlock(proc, ERTS_PROC_LOCK_BTM);
tmr->type.head.receiver.proc = proc;
}
@@ -2000,10 +1757,6 @@ cancel_bif_timer(ErtsBifTimer *tmr)
if (state != ERTS_TMR_STATE_ACTIVE)
return 0;
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
- btm_clear_magic_binary(tmr);
-#endif
-
if (tmr->btm.bp)
free_message_buffer(tmr->btm.bp);
@@ -2022,19 +1775,12 @@ cancel_bif_timer(ErtsBifTimer *tmr)
* the btm tree by itself (it may be in
* the middle of tree destruction).
*/
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
- if (!ERTS_PROC_IS_EXITING(proc) && tmr->btm.proc_list.next) {
- proc_btm_list_delete(&proc->bif_timers, tmr);
- res = 1;
- }
-#else
if (!ERTS_PROC_IS_EXITING(proc)
&& tmr->btm.proc_tree.parent != ERTS_HLT_PFIELD_NOT_IN_TABLE) {
proc_btm_rbt_delete(&proc->bif_timers, tmr);
tmr->btm.proc_tree.parent = ERTS_HLT_PFIELD_NOT_IN_TABLE;
res = 1;
}
-#endif
erts_proc_unlock(proc, ERTS_PROC_LOCK_BTM);
}
@@ -2075,12 +1821,10 @@ access_btm(ErtsBifTimer *tmr, Uint32 sid, ErtsSchedulerData *esdp, int cancel)
queue_canceled_timer(esdp, sid, (ErtsTimer *) tmr);
}
else {
-#ifndef ERTS_MAGIC_REF_BIF_TIMERS
if (tmr->btm.tree.parent != ERTS_HLT_PFIELD_NOT_IN_TABLE) {
btm_rbt_delete(&esdp->timer_service->btm_tree, tmr);
tmr->btm.tree.parent = ERTS_HLT_PFIELD_NOT_IN_TABLE;
}
-#endif
if (is_hlt) {
if (cncl_res > 0)
hl_timer_dec_refc(&tmr->type.hlt, tmr->type.hlt.head.roflgs);
@@ -2157,52 +1901,6 @@ send_async_info(Process *proc, ErtsProcLocks initial_locks,
return am_ok;
}
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
-
-static BIF_RETTYPE
-access_bif_timer(Process *c_p, Eterm tref, int cancel, int async, int info)
-{
- BIF_RETTYPE ret;
- Eterm res;
- Sint64 time_left;
-
- if (!is_internal_magic_ref(tref)) {
- if (is_not_ref(tref)) {
- ERTS_BIF_PREP_ERROR(ret, c_p, BADARG);
- return ret;
- }
- time_left = -1;
- }
- else {
- ErtsMagicBinary *mbin;
- mbin = (ErtsMagicBinary *) erts_magic_ref2bin(tref);
- if (mbin->destructor != bif_timer_ref_destructor)
- time_left = -1;
- else {
- ErtsBifTimer *tmr;
- Uint32 sid;
- tmr = magic_binary_to_btm(mbin);
- sid = erts_get_ref_numbers_thr_id(internal_magic_ref_numbers(tref));
- ASSERT(1 <= sid && sid <= erts_no_schedulers);
- time_left = access_btm(tmr, sid, erts_proc_sched_data(c_p), cancel);
- }
- }
-
- if (!info)
- res = am_ok;
- else if (!async)
- res = return_info(c_p, time_left);
- else
- res = send_async_info(c_p, ERTS_PROC_LOCK_MAIN,
- tref, cancel, time_left);
-
- ERTS_BIF_PREP_RET(ret, res);
-
- return ret;
-}
-
-#else /* !ERTS_MAGIC_REF_BIF_TIMERS */
-
static ERTS_INLINE Eterm
send_sync_info(Process *proc, ErtsProcLocks initial_locks,
Uint32 *refn, int cancel, Sint64 time_left)
@@ -2505,8 +2203,6 @@ no_timer:
return no_timer_result(c_p, tref, cancel, async, info);
}
-#endif /* !ERTS_MAGIC_REF_BIF_TIMERS */
-
static ERTS_INLINE int
bool_arg(Eterm val, int *argp)
{
@@ -2584,18 +2280,11 @@ exit_cancel_bif_timer(ErtsBifTimer *tmr, void *vesdp)
is_hlt = !!(roflgs & ERTS_TMR_ROFLG_HLT);
ERTS_HLT_ASSERT(sid == erts_get_ref_numbers_thr_id(ERTS_BTM_HLT2REFN(tmr)));
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
- ERTS_HLT_ASSERT(tmr->btm.proc_list.next);
-#else
ERTS_HLT_ASSERT(tmr->btm.proc_tree.parent
!= ERTS_HLT_PFIELD_NOT_IN_TABLE);
tmr->btm.proc_tree.parent = ERTS_HLT_PFIELD_NOT_IN_TABLE;
-#endif
if (state == ERTS_TMR_STATE_ACTIVE) {
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
- btm_clear_magic_binary(tmr);
-#endif
if (tmr->btm.bp)
free_message_buffer(tmr->btm.bp);
@@ -2604,12 +2293,10 @@ exit_cancel_bif_timer(ErtsBifTimer *tmr, void *vesdp)
return;
}
-#ifndef ERTS_MAGIC_REF_BIF_TIMERS
if (tmr->btm.tree.parent != ERTS_HLT_PFIELD_NOT_IN_TABLE) {
btm_rbt_delete(&esdp->timer_service->btm_tree, tmr);
tmr->btm.tree.parent = ERTS_HLT_PFIELD_NOT_IN_TABLE;
}
-#endif
if (is_hlt)
hlt_delete_timer(esdp, &tmr->type.hlt);
else
@@ -2621,6 +2308,7 @@ exit_cancel_bif_timer(ErtsBifTimer *tmr, void *vesdp)
tw_timer_dec_refc(&tmr->type.twt);
}
+<<<<<<< HEAD
#ifdef ERTS_HLT_DEBUG
# define ERTS_BTM_MAX_DESTROY_LIMIT 2
#else
@@ -2628,17 +2316,19 @@ exit_cancel_bif_timer(ErtsBifTimer *tmr, void *vesdp)
#endif
#ifndef ERTS_MAGIC_REF_BIF_TIMERS
+=======
+>>>>>>> 19e59d5... erts: Remove dead ERTS_MAGIC_REF_BIF_TIMERS code
typedef struct {
ErtsBifTimers *bif_timers;
union {
proc_btm_rbt_yield_state_t proc_btm_yield_state;
} u;
} ErtsBifTimerYieldState;
-#endif
int erts_cancel_bif_timers(Process *p, ErtsBifTimers **btm, void **vyspp)
{
ErtsSchedulerData *esdp = erts_proc_sched_data(p);
+<<<<<<< HEAD
#ifdef ERTS_MAGIC_REF_BIF_TIMERS
@@ -2649,6 +2339,8 @@ int erts_cancel_bif_timers(Process *p, ErtsBifTimers **btm, void **vyspp)
#else /* !ERTS_MAGIC_REF_BIF_TIMERS */
+=======
+>>>>>>> 19e59d5... erts: Remove dead ERTS_MAGIC_REF_BIF_TIMERS code
ErtsBifTimerYieldState ys = {*btm, {ERTS_RBT_YIELD_STAT_INITER}};
ErtsBifTimerYieldState *ysp;
int res;
@@ -2682,7 +2374,6 @@ int erts_cancel_bif_timers(Process *p, ErtsBifTimers **btm, void **vyspp)
return res;
-#endif /* !ERTS_MAGIC_REF_BIF_TIMERS */
}
static ERTS_INLINE int
@@ -3116,11 +2807,6 @@ btm_print(ErtsBifTimer *tmr, void *vbtmp, ErtsMonotonicTime tpos, int is_hlt)
ErtsMonotonicTime left;
Eterm receiver;
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
- if (!(tmr->type.head.roflgs & ERTS_TMR_ROFLG_BIF_TMR))
- return;
-#endif
-
if (is_hlt) {
ERTS_HLT_ASSERT(tmr->type.head.roflgs & ERTS_TMR_ROFLG_HLT);
if (tmr->type.hlt.timeout <= btmp->now)
@@ -3149,6 +2835,7 @@ btm_print(ErtsBifTimer *tmr, void *vbtmp, ErtsMonotonicTime tpos, int is_hlt)
(Sint64) left);
}
+<<<<<<< HEAD
#ifdef ERTS_MAGIC_REF_BIF_TIMERS
static void
@@ -3166,6 +2853,9 @@ twt_btm_print(void *vbtmp, ErtsMonotonicTime tpos, void *vtwtp)
#else
static void
+=======
+static int
+>>>>>>> 19e59d5... erts: Remove dead ERTS_MAGIC_REF_BIF_TIMERS code
btm_tree_print(ErtsBifTimer *tmr, void *vbtmp)
{
int is_hlt = !!(tmr->type.head.roflgs & ERTS_TMR_ROFLG_HLT);
@@ -3177,8 +2867,6 @@ btm_tree_print(ErtsBifTimer *tmr, void *vbtmp)
btm_print(tmr, vbtmp, tpos, is_hlt);
}
-#endif
-
void
erts_print_bif_timer_info(fmtfn_t to, void *to_arg)
{
@@ -3196,15 +2884,7 @@ erts_print_bif_timer_info(fmtfn_t to, void *to_arg)
for (six = 0; six < erts_no_schedulers; six++) {
ErtsHLTimerService *srv =
erts_aligned_scheduler_data[six].esd.timer_service;
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
- ErtsTimerWheel *twheel =
- erts_aligned_scheduler_data[six].esd.timer_wheel;
- erts_twheel_debug_foreach(twheel, tw_bif_timer_timeout,
- twt_btm_print, (void *) &btmp);
- time_rbt_foreach(srv->time_tree, hlt_btm_print, (void *) &btmp);
-#else
btm_rbt_foreach(srv->btm_tree, btm_tree_print, (void *) &btmp);
-#endif
}
}
@@ -3219,10 +2899,6 @@ typedef struct {
static void
debug_btm_foreach(ErtsBifTimer *tmr, void *vbtmfd)
{
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
- if (!(tmr->type.head.roflgs & ERTS_TMR_ROFLG_BIF_TMR))
- return;
-#endif
if (erts_atomic32_read_nob(&tmr->btm.state) == ERTS_TMR_STATE_ACTIVE) {
ErtsBTMForeachDebug *btmfd = (ErtsBTMForeachDebug *) vbtmfd;
Eterm id = ((tmr->type.head.roflgs & ERTS_TMR_ROFLG_REG_NAME)
@@ -3232,22 +2908,6 @@ debug_btm_foreach(ErtsBifTimer *tmr, void *vbtmfd)
}
}
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
-
-static void
-hlt_debug_btm_foreach(ErtsHLTimer *tmr, void *vbtmfd)
-{
- debug_btm_foreach((ErtsBifTimer *) tmr, vbtmfd);
-}
-
-static void
-twt_debug_btm_foreach(void *vbtmfd, ErtsMonotonicTime tpos, void *vtwtp)
-{
- debug_btm_foreach((ErtsBifTimer *) vtwtp, vbtmfd);
-}
-
-#endif
-
void
erts_debug_bif_timer_foreach(void (*func)(Eterm,
Eterm,
@@ -3267,20 +2927,9 @@ erts_debug_bif_timer_foreach(void (*func)(Eterm,
for (six = 0; six < erts_no_schedulers; six++) {
ErtsHLTimerService *srv =
erts_aligned_scheduler_data[six].esd.timer_service;
-#ifdef ERTS_MAGIC_REF_BIF_TIMERS
- ErtsTimerWheel *twheel =
- erts_aligned_scheduler_data[six].esd.timer_wheel;
- erts_twheel_debug_foreach(twheel, tw_bif_timer_timeout,
- twt_debug_btm_foreach,
- (void *) &btmfd);
- time_rbt_foreach(srv->time_tree,
- hlt_debug_btm_foreach,
- (void *) &btmfd);
-#else
btm_rbt_foreach(srv->btm_tree,
debug_btm_foreach,
(void *) &btmfd);
-#endif
}
}
@@ -3403,9 +3052,7 @@ st_hdbg_func(ErtsHLTimer *tmr, void *vhdbg)
}
ERTS_HLT_ASSERT(tmr->time.tree.u.l.next->time.tree.u.l.prev == tmr);
ERTS_HLT_ASSERT(tmr->time.tree.u.l.prev->time.tree.u.l.next == tmr);
-#ifndef ERTS_MAGIC_REF_BIF_TIMERS
ERTS_HLT_ASSERT(btm_rbt_lookup(hdbg->srv->btm_tree, ERTS_BTM_HLT2REFN(tmr)) == tmr);
-#endif
}
static void
@@ -3434,10 +3081,8 @@ tt_hdbg_func(ErtsHLTimer *tmr, void *vhdbg)
& ~ERTS_HLT_PFLGS_MASK);
ERTS_HLT_ASSERT(tmr == prnt);
}
-#ifndef ERTS_MAGIC_REF_BIF_TIMERS
if (tmr->head.roflgs & ERTS_TMR_ROFLG_BIF_TMR)
ERTS_HLT_ASSERT(btm_rbt_lookup(hdbg->srv->btm_tree, ERTS_BTM_HLT2REFN(tmr)) == tmr);
-#endif
if (tmr->time.tree.same_time) {
ErtsHdbgHLT st_hdbg;
st_hdbg.srv = hdbg->srv;
@@ -3503,7 +3148,6 @@ hdbg_chk_srv(ErtsHLTimerService *srv)
time_rbt_foreach(srv->time_tree, tt_hdbg_func, (void *) &hdbg);
ERTS_HLT_ASSERT(hdbg.found_root);
}
-#ifndef ERTS_MAGIC_REF_BIF_TIMERS
if (srv->btm_tree) {
ErtsHdbgHLT hdbg;
hdbg.srv = srv;
@@ -3512,7 +3156,6 @@ hdbg_chk_srv(ErtsHLTimerService *srv)
btm_rbt_foreach(srv->btm_tree, bt_hdbg_func, (void *) &hdbg);
ERTS_HLT_ASSERT(hdbg.found_root);
}
-#endif
}
#endif /* ERTS_HLT_HARD_DEBUG */