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-rw-r--r--erts/aclocal.m42
-rw-r--r--erts/emulator/beam/atom.names1
-rw-r--r--erts/emulator/beam/beam_emu.c2
-rw-r--r--erts/emulator/beam/bif.c24
-rw-r--r--erts/emulator/beam/erl_db_hash.c23
-rw-r--r--erts/emulator/beam/erl_db_tree.c2
-rw-r--r--erts/emulator/beam/erl_drv_thread.c7
-rw-r--r--erts/emulator/beam/erl_port_task.c3
-rw-r--r--erts/emulator/beam/erl_process.c135
-rw-r--r--erts/emulator/beam/global.h9
-rw-r--r--erts/emulator/beam/io.c9
-rw-r--r--erts/emulator/beam/safe_hash.c2
-rw-r--r--erts/emulator/sys/common/erl_check_io.c5
-rw-r--r--erts/emulator/sys/common/erl_poll.c7
-rw-r--r--erts/emulator/sys/win32/erl_poll.c2
-rw-r--r--erts/include/internal/libatomic_ops/ethr_atomic.h26
-rw-r--r--erts/include/internal/sparc32/atomic.h29
-rw-r--r--erts/include/internal/tile/atomic.h33
18 files changed, 199 insertions, 122 deletions
diff --git a/erts/aclocal.m4 b/erts/aclocal.m4
index a1211bbf0c..f7e5c31910 100644
--- a/erts/aclocal.m4
+++ b/erts/aclocal.m4
@@ -1153,7 +1153,7 @@ case "$THR_LIB_NAME" in
AO_nop_full();
AO_store(&x, (AO_t) 0);
z = AO_load(&x);
- z = AO_compare_and_swap(&x, (AO_t) 0, (AO_t) 1);
+ z = AO_compare_and_swap_full(&x, (AO_t) 0, (AO_t) 1);
],
[ethr_have_native_atomics=yes
ethr_have_libatomic_ops=yes])
diff --git a/erts/emulator/beam/atom.names b/erts/emulator/beam/atom.names
index 327620772f..de76cb9680 100644
--- a/erts/emulator/beam/atom.names
+++ b/erts/emulator/beam/atom.names
@@ -76,6 +76,7 @@ atom allocator_sizes
atom alloc_util_allocators
atom allow_passive_connect
atom already_loaded
+atom amd64
atom anchored
atom and
atom andalso
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index d5d113200a..fb90a7d4f7 100644
--- a/erts/emulator/beam/beam_emu.c
+++ b/erts/emulator/beam/beam_emu.c
@@ -5325,7 +5325,7 @@ void process_main(void)
ep->code[3] = (BeamInstr) OpCode(apply_bif);
ep->code[4] = (BeamInstr) bif_table[i].f;
/* XXX: set func info for bifs */
- ((BeamInstr*)ep->code + 3)[-5] = (BeamInstr) BeamOp(op_i_func_info_IaaI);
+ ep->fake_op_func_info_for_hipe[0] = (BeamInstr) BeamOp(op_i_func_info_IaaI);
}
return;
diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c
index ac93b10d12..68b3350d7f 100644
--- a/erts/emulator/beam/bif.c
+++ b/erts/emulator/beam/bif.c
@@ -3408,6 +3408,7 @@ BIF_RETTYPE ports_0(BIF_ALIST_0)
Eterm* dead_ports;
int alive, dead;
Uint32 next_ss;
+ int i;
/* To get a consistent snapshot...
* We add alive ports from start of the buffer
@@ -3419,21 +3420,18 @@ BIF_RETTYPE ports_0(BIF_ALIST_0)
erts_smp_atomic_set(&erts_dead_ports_ptr,
(erts_aint_t) (port_buf + erts_max_ports));
- next_ss = erts_smp_atomic_inctest(&erts_ports_snapshot);
+ next_ss = erts_smp_atomic32_inctest(&erts_ports_snapshot);
- if (erts_smp_atomic_read(&erts_ports_alive) > 0) {
- erts_aint_t i;
- for (i = erts_max_ports-1; i >= 0; i--) {
- Port* prt = &erts_port[i];
- erts_smp_port_state_lock(prt);
- if (!(prt->status & ERTS_PORT_SFLGS_DEAD)
- && prt->snapshot != next_ss) {
- ASSERT(prt->snapshot == next_ss - 1);
- *pp++ = prt->id;
- prt->snapshot = next_ss; /* Consumed by this snapshot */
- }
- erts_smp_port_state_unlock(prt);
+ for (i = erts_max_ports-1; i >= 0; i--) {
+ Port* prt = &erts_port[i];
+ erts_smp_port_state_lock(prt);
+ if (!(prt->status & ERTS_PORT_SFLGS_DEAD)
+ && prt->snapshot != next_ss) {
+ ASSERT(prt->snapshot == next_ss - 1);
+ *pp++ = prt->id;
+ prt->snapshot = next_ss; /* Consumed by this snapshot */
}
+ erts_smp_port_state_unlock(prt);
}
dead_ports = (Eterm*)erts_smp_atomic_xchg(&erts_dead_ports_ptr,
diff --git a/erts/emulator/beam/erl_db_hash.c b/erts/emulator/beam/erl_db_hash.c
index 694348e31d..fdc82c8b88 100644
--- a/erts/emulator/beam/erl_db_hash.c
+++ b/erts/emulator/beam/erl_db_hash.c
@@ -105,7 +105,7 @@
#define NSEG_2 256 /* Size of second segment table */
#define NSEG_INC 128 /* Number of segments to grow after that */
-#define SEGTAB(tb) ((struct segment**)erts_smp_atomic_read(&(tb)->segtab))
+#define SEGTAB(tb) ((struct segment**)erts_smp_atomic_read_acqb(&(tb)->segtab))
#define NACTIVE(tb) ((int)erts_smp_atomic_read(&(tb)->nactive))
#define NITEMS(tb) ((int)erts_smp_atomic_read(&(tb)->common.nitems))
@@ -122,8 +122,8 @@
*/
static ERTS_INLINE Uint hash_to_ix(DbTableHash* tb, HashValue hval)
{
- Uint mask = erts_smp_atomic_read(&tb->szm);
- Uint ix = hval & mask;
+ Uint mask = erts_smp_atomic_read_acqb(&tb->szm);
+ Uint ix = hval & mask;
if (ix >= erts_smp_atomic_read(&tb->nactive)) {
ix &= mask>>1;
ASSERT(ix < erts_smp_atomic_read(&tb->nactive));
@@ -668,6 +668,7 @@ int db_create_hash(Process *p, DbTable *tbl)
else { /* coarse locking */
tb->locks = NULL;
}
+ ERTS_THR_MEMORY_BARRIER;
#endif /* ERST_SMP */
return DB_ERROR_NONE;
}
@@ -2349,7 +2350,7 @@ static int alloc_seg(DbTableHash *tb)
struct ext_segment* eseg;
eseg = (struct ext_segment*) SEGTAB(tb)[seg_ix-1];
MY_ASSERT(eseg!=NULL && eseg->s.is_ext_segment);
- erts_smp_atomic_set(&tb->segtab, (erts_aint_t) eseg->segtab);
+ erts_smp_atomic_set_relb(&tb->segtab, (erts_aint_t) eseg->segtab);
tb->nsegs = eseg->nsegs;
}
ASSERT(seg_ix < tb->nsegs);
@@ -2421,7 +2422,7 @@ static int free_seg(DbTableHash *tb, int free_records)
MY_ASSERT(newtop->s.is_ext_segment);
if (newtop->prev_segtab != NULL) {
/* Time to use a smaller segtab */
- erts_smp_atomic_set(&tb->segtab, (erts_aint_t)newtop->prev_segtab);
+ erts_smp_atomic_set_relb(&tb->segtab, (erts_aint_t)newtop->prev_segtab);
tb->nsegs = seg_ix;
ASSERT(tb->nsegs == EXTSEG(SEGTAB(tb))->nsegs);
}
@@ -2438,7 +2439,7 @@ static int free_seg(DbTableHash *tb, int free_records)
if (seg_ix > 0) {
if (seg_ix < tb->nsegs) SEGTAB(tb)[seg_ix] = NULL;
} else {
- erts_smp_atomic_set(&tb->segtab, (erts_aint_t)NULL);
+ erts_smp_atomic_set_relb(&tb->segtab, (erts_aint_t)NULL);
}
#endif
tb->nslots -= SEGSZ;
@@ -2533,9 +2534,9 @@ static void grow(DbTableHash* tb, int nactive)
}
erts_smp_atomic_inc(&tb->nactive);
if (from_ix == 0) {
- erts_smp_atomic_set(&tb->szm, szm);
+ erts_smp_atomic_set_relb(&tb->szm, szm);
}
- erts_smp_atomic_set(&tb->is_resizing, 0);
+ erts_smp_atomic_set_relb(&tb->is_resizing, 0);
/* Finally, let's split the bucket. We try to do it in a smart way
to keep link order and avoid unnecessary updates of next-pointers */
@@ -2567,7 +2568,7 @@ static void grow(DbTableHash* tb, int nactive)
return;
abort:
- erts_smp_atomic_set(&tb->is_resizing, 0);
+ erts_smp_atomic_set_relb(&tb->is_resizing, 0);
}
@@ -2611,7 +2612,7 @@ static void shrink(DbTableHash* tb, int nactive)
erts_smp_atomic_set(&tb->nactive, src_ix);
if (dst_ix == 0) {
- erts_smp_atomic_set(&tb->szm, low_szm);
+ erts_smp_atomic_set_relb(&tb->szm, low_szm);
}
WUNLOCK_HASH(lck);
@@ -2625,7 +2626,7 @@ static void shrink(DbTableHash* tb, int nactive)
}
/*else already done */
- erts_smp_atomic_set(&tb->is_resizing, 0);
+ erts_smp_atomic_set_relb(&tb->is_resizing, 0);
}
diff --git a/erts/emulator/beam/erl_db_tree.c b/erts/emulator/beam/erl_db_tree.c
index eb77d1281a..9a0ba3a418 100644
--- a/erts/emulator/beam/erl_db_tree.c
+++ b/erts/emulator/beam/erl_db_tree.c
@@ -111,7 +111,7 @@ static void release_stack(DbTableTree* tb, DbTreeStack* stack)
{
if (stack == &tb->static_stack) {
ASSERT(erts_smp_atomic_read(&tb->is_stack_busy) == 1);
- erts_smp_atomic_set(&tb->is_stack_busy, 0);
+ erts_smp_atomic_set_relb(&tb->is_stack_busy, 0);
}
else {
erts_db_free(ERTS_ALC_T_DB_STK, (DbTable *) tb,
diff --git a/erts/emulator/beam/erl_drv_thread.c b/erts/emulator/beam/erl_drv_thread.c
index 39bbe9633b..dc578f6d2a 100644
--- a/erts/emulator/beam/erl_drv_thread.c
+++ b/erts/emulator/beam/erl_drv_thread.c
@@ -700,6 +700,13 @@ erl_drv_thread_join(ErlDrvTid tid, void **respp)
extern int erts_darwin_main_thread_pipe[2];
extern int erts_darwin_main_thread_result_pipe[2];
+int erl_drv_stolen_main_thread_join(ErlDrvTid tid, void **respp);
+int erl_drv_steal_main_thread(char *name,
+ ErlDrvTid *dtid,
+ void* (*func)(void*),
+ void* arg,
+ ErlDrvThreadOpts *opts);
+
int
erl_drv_stolen_main_thread_join(ErlDrvTid tid, void **respp)
diff --git a/erts/emulator/beam/erl_port_task.c b/erts/emulator/beam/erl_port_task.c
index 1b07024ca1..326021643f 100644
--- a/erts/emulator/beam/erl_port_task.c
+++ b/erts/emulator/beam/erl_port_task.c
@@ -658,8 +658,6 @@ erts_port_task_free_port(Port *pp)
when scheduled out... */
ErtsPortTask *ptp = port_task_alloc();
erts_smp_port_state_lock(pp);
- ASSERT(erts_smp_atomic_read(&erts_ports_alive) > 0);
- erts_smp_atomic_dec(&erts_ports_alive);
pp->status &= ~ERTS_PORT_SFLG_CLOSING;
pp->status |= ERTS_PORT_SFLG_FREE_SCHEDULED;
erts_may_save_closed_port(pp);
@@ -681,7 +679,6 @@ erts_port_task_free_port(Port *pp)
port_is_dequeued = 1;
}
erts_smp_port_state_lock(pp);
- erts_smp_atomic_dec(&erts_ports_alive);
pp->status &= ~ERTS_PORT_SFLG_CLOSING;
pp->status |= ERTS_PORT_SFLG_FREE_SCHEDULED;
erts_may_save_closed_port(pp);
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index 05172aaefa..2704359a8f 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -166,9 +166,8 @@ static struct {
static struct {
erts_smp_mtx_t update_mtx;
- erts_smp_atomic32_t active_runqs;
+ erts_smp_atomic32_t no_runqs;
int last_active_runqs;
- erts_smp_atomic32_t used_runqs;
int forced_check_balance;
erts_smp_atomic32_t checking_balance;
int halftime;
@@ -965,7 +964,7 @@ sched_spin_wait(ErtsSchedulerSleepInfo *ssi, int spincount)
erts_aint32_t flgs;
do {
- flgs = erts_smp_atomic32_read(&ssi->flags);
+ flgs = erts_smp_atomic32_read_acqb(&ssi->flags);
if ((flgs & (ERTS_SSI_FLG_SLEEPING|ERTS_SSI_FLG_WAITING))
!= (ERTS_SSI_FLG_SLEEPING|ERTS_SSI_FLG_WAITING)) {
break;
@@ -1114,7 +1113,7 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq)
else {
erts_aint_t dt;
- erts_smp_atomic32_set(&function_calls, 0);
+ erts_smp_atomic32_set_relb(&function_calls, 0);
*fcalls = 0;
sched_waiting_sys(esdp->no, rq);
@@ -1147,7 +1146,7 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq)
nonblockable_aux_work(esdp, ssi, aux_work);
#endif
- flgs = erts_smp_atomic32_read(&ssi->flags);
+ flgs = erts_smp_atomic32_read_acqb(&ssi->flags);
if (!(flgs & ERTS_SSI_FLG_WAITING)) {
ASSERT(!(flgs & ERTS_SSI_FLG_SLEEPING));
goto sys_woken;
@@ -1333,6 +1332,76 @@ wake_all_schedulers(void)
}
}
+#define ERTS_NO_USED_RUNQS_SHIFT 16
+#define ERTS_NO_RUNQS_MASK 0xffff
+
+#if ERTS_MAX_NO_OF_SCHEDULERS > ERTS_NO_RUNQS_MASK
+# error "Too large amount of schedulers allowed"
+#endif
+
+static ERTS_INLINE void
+init_no_runqs(int active, int used)
+{
+ erts_aint32_t no_runqs = (erts_aint32_t) (active & ERTS_NO_RUNQS_MASK);
+ no_runqs |= (erts_aint32_t) ((used & ERTS_NO_RUNQS_MASK) << ERTS_NO_USED_RUNQS_SHIFT);
+ erts_smp_atomic32_init(&balance_info.no_runqs, no_runqs);
+}
+
+static ERTS_INLINE void
+get_no_runqs(int *active, int *used)
+{
+ erts_aint32_t no_runqs = erts_smp_atomic32_read(&balance_info.no_runqs);
+ if (active)
+ *active = (int) (no_runqs & ERTS_NO_RUNQS_MASK);
+ if (used)
+ *used = (int) ((no_runqs >> ERTS_NO_USED_RUNQS_SHIFT) & ERTS_NO_RUNQS_MASK);
+}
+
+static ERTS_INLINE void
+set_no_used_runqs(int used)
+{
+ erts_aint32_t exp = erts_smp_atomic32_read(&balance_info.no_runqs);
+ while (1) {
+ erts_aint32_t act, new;
+ new = (used << ERTS_NO_USED_RUNQS_SHIFT) | (exp & ERTS_NO_RUNQS_MASK);
+ act = erts_smp_atomic32_cmpxchg(&balance_info.no_runqs, new, exp);
+ if (act == exp)
+ break;
+ exp = act;
+ }
+}
+
+static ERTS_INLINE void
+set_no_active_runqs(int active)
+{
+ erts_aint32_t exp = erts_smp_atomic32_read(&balance_info.no_runqs);
+ while (1) {
+ erts_aint32_t act, new;
+ new = (exp & (ERTS_NO_RUNQS_MASK << ERTS_NO_USED_RUNQS_SHIFT)) | active;
+ act = erts_smp_atomic32_cmpxchg(&balance_info.no_runqs, new, exp);
+ if (act == exp)
+ break;
+ exp = act;
+ }
+}
+
+static ERTS_INLINE int
+try_inc_no_active_runqs(int active)
+{
+ erts_aint32_t exp = erts_smp_atomic32_read(&balance_info.no_runqs);
+ if (((exp >> ERTS_NO_USED_RUNQS_SHIFT) & ERTS_NO_RUNQS_MASK) < active)
+ return 0;
+ if ((exp & ERTS_NO_RUNQS_MASK) + 1 == active) {
+ erts_aint32_t new, act;
+ new = (exp & ~ERTS_NO_RUNQS_MASK) | active;
+ act = erts_smp_atomic32_cmpxchg(&balance_info.no_runqs, new, exp);
+ if (act == exp)
+ return 1;
+ }
+ return 0;
+}
+
+
static ERTS_INLINE int
chk_wake_sched(ErtsRunQueue *crq, int ix, int activate)
{
@@ -1344,9 +1413,7 @@ chk_wake_sched(ErtsRunQueue *crq, int ix, int activate)
iflgs = erts_smp_atomic32_read(&wrq->info_flags);
if (!(iflgs & (ERTS_RUNQ_IFLG_SUSPENDED|ERTS_RUNQ_IFLG_NONEMPTY))) {
if (activate) {
- if (ix == erts_smp_atomic32_cmpxchg(&balance_info.active_runqs,
- ix+1,
- ix)) {
+ if (try_inc_no_active_runqs(ix+1)) {
erts_smp_xrunq_lock(crq, wrq);
wrq->flags &= ~ERTS_RUNQ_FLG_INACTIVE;
erts_smp_xrunq_unlock(crq, wrq);
@@ -1363,8 +1430,9 @@ wake_scheduler_on_empty_runq(ErtsRunQueue *crq)
{
int ix = crq->ix;
int stop_ix = ix;
- int active_ix = erts_smp_atomic32_read(&balance_info.active_runqs);
- int balance_ix = erts_smp_atomic32_read(&balance_info.used_runqs);
+ int active_ix, balance_ix;
+
+ get_no_runqs(&active_ix, &balance_ix);
if (active_ix > balance_ix)
active_ix = balance_ix;
@@ -1416,7 +1484,7 @@ erts_sched_notify_check_cpu_bind(void)
int ix;
if (erts_common_run_queue) {
for (ix = 0; ix < erts_no_schedulers; ix++)
- erts_smp_atomic32_set(&ERTS_SCHEDULER_IX(ix)->chk_cpu_bind, 1);
+ erts_smp_atomic32_set_relb(&ERTS_SCHEDULER_IX(ix)->chk_cpu_bind, 1);
wake_all_schedulers();
}
else {
@@ -1871,8 +1939,7 @@ try_steal_task(ErtsRunQueue *rq)
ERTS_SMP_LC_CHK_RUNQ_LOCK(rq, rq_locked);
- active_rqs = erts_smp_atomic32_read(&balance_info.active_runqs);
- blnc_rqs = erts_smp_atomic32_read(&balance_info.used_runqs);
+ get_no_runqs(&active_rqs, &blnc_rqs);
if (active_rqs > blnc_rqs)
active_rqs = blnc_rqs;
@@ -1883,7 +1950,7 @@ try_steal_task(ErtsRunQueue *rq)
if (active_rqs < blnc_rqs) {
int no = blnc_rqs - active_rqs;
int stop_ix = vix = active_rqs + rq->ix % no;
- while (erts_smp_atomic32_read(&no_empty_run_queues) < blnc_rqs) {
+ while (erts_smp_atomic32_read_acqb(&no_empty_run_queues) < blnc_rqs) {
res = check_possible_steal_victim(rq, &rq_locked, vix);
if (res)
goto done;
@@ -1898,7 +1965,7 @@ try_steal_task(ErtsRunQueue *rq)
vix = rq->ix;
/* ... then try to steal a job from another active queue... */
- while (erts_smp_atomic32_read(&no_empty_run_queues) < blnc_rqs) {
+ while (erts_smp_atomic32_read_acqb(&no_empty_run_queues) < blnc_rqs) {
vix++;
if (vix >= active_rqs)
vix = 0;
@@ -1999,7 +2066,7 @@ check_balance(ErtsRunQueue *c_rq)
return;
}
- blnc_no_rqs = (int) erts_smp_atomic32_read(&balance_info.used_runqs);
+ get_no_runqs(NULL, &blnc_no_rqs);
if (blnc_no_rqs == 1) {
c_rq->check_balance_reds = INT_MAX;
erts_smp_atomic32_set(&balance_info.checking_balance, 0);
@@ -2038,7 +2105,8 @@ check_balance(ErtsRunQueue *c_rq)
forced = balance_info.forced_check_balance;
balance_info.forced_check_balance = 0;
- blnc_no_rqs = (int) erts_smp_atomic32_read(&balance_info.used_runqs);
+ get_no_runqs(&current_active, &blnc_no_rqs);
+
if (blnc_no_rqs == 1) {
erts_smp_mtx_unlock(&balance_info.update_mtx);
erts_smp_runq_lock(c_rq);
@@ -2052,8 +2120,6 @@ check_balance(ErtsRunQueue *c_rq)
if (balance_info.full_reds_history_index >= ERTS_FULL_REDS_HISTORY_SIZE)
balance_info.full_reds_history_index = 0;
- current_active = erts_smp_atomic32_read(&balance_info.active_runqs);
-
/* Read balance information for all run queues */
for (qix = 0; qix < blnc_no_rqs; qix++) {
ErtsRunQueue *rq = ERTS_RUNQ_IX(qix);
@@ -2387,7 +2453,7 @@ erts_fprintf(stderr, "--------------------------------\n");
}
balance_info.last_active_runqs = active;
- erts_smp_atomic32_set(&balance_info.active_runqs, active);
+ set_no_active_runqs(active);
balance_info.halftime = 1;
erts_smp_atomic32_set(&balance_info.checking_balance, 0);
@@ -2695,9 +2761,8 @@ erts_init_scheduling(int mrq, int no_schedulers, int no_schedulers_online)
erts_smp_atomic32_init(&schdlr_sspnd.msb.ongoing, 0);
erts_smp_atomic32_init(&schdlr_sspnd.active, no_schedulers);
schdlr_sspnd.msb.procs = NULL;
- erts_smp_atomic32_set(&balance_info.used_runqs,
- erts_common_run_queue ? 1 : no_schedulers_online);
- erts_smp_atomic32_init(&balance_info.active_runqs, no_schedulers);
+ init_no_runqs(no_schedulers,
+ erts_common_run_queue ? 1 : no_schedulers_online);
balance_info.last_active_runqs = no_schedulers;
erts_smp_mtx_init(&balance_info.update_mtx, "migration_info_update");
balance_info.forced_check_balance = 0;
@@ -2939,7 +3004,7 @@ sched_spin_suspended(ErtsSchedulerSleepInfo *ssi, int spincount)
erts_aint32_t flgs;
do {
- flgs = erts_smp_atomic32_read(&ssi->flags);
+ flgs = erts_smp_atomic32_read_acqb(&ssi->flags);
if ((flgs & (ERTS_SSI_FLG_SLEEPING
| ERTS_SSI_FLG_WAITING
| ERTS_SSI_FLG_SUSPENDED))
@@ -3068,7 +3133,7 @@ suspend_scheduler(ErtsSchedulerData *esdp)
wake = 0;
}
- flgs = erts_smp_atomic32_read(&ssi->flags);
+ flgs = erts_smp_atomic32_read_acqb(&ssi->flags);
if (!(flgs & ERTS_SSI_FLG_SUSPENDED))
break;
erts_smp_mtx_unlock(&schdlr_sspnd.mtx);
@@ -3292,7 +3357,7 @@ erts_set_schedulers_online(Process *p,
ErtsRunQueue *to_rq = ERTS_RUNQ_IX(ix % no);
evacuate_run_queue(from_rq, to_rq);
}
- erts_smp_atomic32_set(&balance_info.used_runqs, no);
+ set_no_used_runqs(no);
erts_smp_mtx_unlock(&balance_info.update_mtx);
erts_smp_mtx_lock(&schdlr_sspnd.mtx);
}
@@ -3346,7 +3411,7 @@ erts_set_schedulers_online(Process *p,
for (ix = erts_no_run_queues-1; ix >= no; ix--)
evacuate_run_queue(ERTS_RUNQ_IX(ix),
ERTS_RUNQ_IX(ix % no));
- erts_smp_atomic32_set(&balance_info.used_runqs, no);
+ set_no_used_runqs(no);
erts_smp_mtx_unlock(&balance_info.update_mtx);
erts_smp_mtx_lock(&schdlr_sspnd.mtx);
for (ix = no; ix < online; ix++) {
@@ -3443,7 +3508,7 @@ erts_block_multi_scheduling(Process *p, ErtsProcLocks plocks, int on, int all)
else {
erts_smp_mtx_unlock(&schdlr_sspnd.mtx);
erts_smp_mtx_lock(&balance_info.update_mtx);
- erts_smp_atomic32_set(&balance_info.used_runqs, 1);
+ set_no_used_runqs(1);
for (ix = 0; ix < online; ix++) {
ErtsRunQueue *rq = ERTS_RUNQ_IX(ix);
erts_smp_runq_lock(rq);
@@ -3580,7 +3645,7 @@ erts_block_multi_scheduling(Process *p, ErtsProcLocks plocks, int on, int all)
evacuate_run_queue(ERTS_RUNQ_IX(ix),
ERTS_RUNQ_IX(ix % online));
- erts_smp_atomic32_set(&balance_info.used_runqs, online);
+ set_no_used_runqs(online);
/* Make sure that we balance soon... */
balance_info.forced_check_balance = 1;
erts_smp_runq_lock(ERTS_RUNQ_IX(0));
@@ -5131,7 +5196,7 @@ Process *schedule(Process *p, int calls)
esdp = erts_get_scheduler_data();
rq = erts_get_runq_current(esdp);
ASSERT(esdp);
- fcalls = (int) erts_smp_atomic32_read(&function_calls);
+ fcalls = (int) erts_smp_atomic32_read_acqb(&function_calls);
actual_reds = reds = 0;
erts_smp_runq_lock(rq);
} else {
@@ -5282,14 +5347,14 @@ Process *schedule(Process *p, int calls)
| ERTS_RUNQ_FLG_CHK_CPU_BIND
| ERTS_RUNQ_FLG_SUSPENDED)) {
if ((rq->flags & ERTS_RUNQ_FLG_SUSPENDED)
- || (erts_smp_atomic32_read(&esdp->ssi->flags)
+ || (erts_smp_atomic32_read_acqb(&esdp->ssi->flags)
& ERTS_SSI_FLG_SUSPENDED)) {
ASSERT(erts_smp_atomic32_read(&esdp->ssi->flags)
& ERTS_SSI_FLG_SUSPENDED);
suspend_scheduler(esdp);
}
if ((rq->flags & ERTS_RUNQ_FLG_CHK_CPU_BIND)
- || erts_smp_atomic32_read(&esdp->chk_cpu_bind)) {
+ || erts_smp_atomic32_read_acqb(&esdp->chk_cpu_bind)) {
erts_sched_check_cpu_bind(esdp);
}
}
@@ -5340,7 +5405,7 @@ Process *schedule(Process *p, int calls)
if (rq->flags & (ERTS_RUNQ_FLG_SHARED_RUNQ
| ERTS_RUNQ_FLG_SUSPENDED)) {
if ((rq->flags & ERTS_RUNQ_FLG_SUSPENDED)
- || (erts_smp_atomic32_read(&esdp->ssi->flags)
+ || (erts_smp_atomic32_read_acqb(&esdp->ssi->flags)
& ERTS_SSI_FLG_SUSPENDED)) {
ASSERT(erts_smp_atomic32_read(&esdp->ssi->flags)
& ERTS_SSI_FLG_SUSPENDED);
@@ -5384,7 +5449,7 @@ Process *schedule(Process *p, int calls)
* Schedule system-level activities.
*/
- erts_smp_atomic32_set(&function_calls, 0);
+ erts_smp_atomic32_set_relb(&function_calls, 0);
fcalls = 0;
ASSERT(!erts_port_task_have_outstanding_io_tasks());
@@ -5426,7 +5491,7 @@ Process *schedule(Process *p, int calls)
if (erts_common_run_queue->waiting)
wake_scheduler(erts_common_run_queue, 0, 1);
}
- else if (erts_smp_atomic32_read(&no_empty_run_queues) != 0) {
+ else if (erts_smp_atomic32_read_acqb(&no_empty_run_queues) != 0) {
wake_scheduler_on_empty_runq(rq);
rq->wakeup_other = 0;
}
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index 30b0a60611..499bdd77ba 100644
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -183,7 +183,7 @@ struct port {
process to get (line oriented I/O)*/
Uint32 status; /* Status and type flags */
int control_flags; /* Flags for port_control() */
- Uint32 snapshot; /* Next snapshot that port should be part of */
+ erts_aint32_t snapshot; /* Next snapshot that port should be part of */
struct reg_proc *reg;
ErlDrvPDL port_data_lock;
@@ -527,11 +527,10 @@ union erl_off_heap_ptr {
/* arrays that get malloced at startup */
extern Port* erts_port;
-extern erts_smp_atomic_t erts_ports_alive;
extern Uint erts_max_ports;
extern Uint erts_port_tab_index_mask;
-extern erts_smp_atomic_t erts_ports_snapshot;
+extern erts_smp_atomic32_t erts_ports_snapshot;
extern erts_smp_atomic_t erts_dead_ports_ptr;
ERTS_GLB_INLINE void erts_may_save_closed_port(Port *prt);
@@ -541,12 +540,12 @@ ERTS_GLB_INLINE void erts_may_save_closed_port(Port *prt);
ERTS_GLB_INLINE void erts_may_save_closed_port(Port *prt)
{
ERTS_SMP_LC_ASSERT(erts_smp_lc_spinlock_is_locked(&prt->state_lck));
- if (prt->snapshot != erts_smp_atomic_read(&erts_ports_snapshot)) {
+ if (prt->snapshot != erts_smp_atomic32_read_acqb(&erts_ports_snapshot)) {
/* Dead ports are added from the end of the snapshot buffer */
Eterm* tombstone = (Eterm*) erts_smp_atomic_addtest(&erts_dead_ports_ptr,
-(erts_aint_t)sizeof(Eterm));
ASSERT(tombstone+1 != NULL);
- ASSERT(prt->snapshot == (Uint32) erts_smp_atomic_read(&erts_ports_snapshot) - 1);
+ ASSERT(prt->snapshot == erts_smp_atomic32_read(&erts_ports_snapshot) - 1);
*tombstone = prt->id;
}
/*else no ongoing snapshot or port was already included or created after snapshot */
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c
index d9df90fe7d..df5f8b22a3 100644
--- a/erts/emulator/beam/io.c
+++ b/erts/emulator/beam/io.c
@@ -56,7 +56,6 @@ static erts_smp_tsd_key_t driver_list_last_error_key; /* Save last DDLL error o
per thread basis (for BC interfaces) */
Port* erts_port; /* The port table */
-erts_smp_atomic_t erts_ports_alive;
erts_smp_atomic_t erts_bytes_out; /* No bytes sent out of the system */
erts_smp_atomic_t erts_bytes_in; /* No bytes gotten into the system */
@@ -193,7 +192,7 @@ typedef struct line_buf_context {
static erts_smp_spinlock_t get_free_port_lck;
static Uint last_port_num;
static Uint port_num_mask;
-erts_smp_atomic_t erts_ports_snapshot; /* Identifies the _next_ snapshot (not the ongoing) */
+erts_smp_atomic32_t erts_ports_snapshot; /* Identifies the _next_ snapshot (not the ongoing) */
static ERTS_INLINE void
@@ -424,10 +423,9 @@ setup_port(Port* prt, Eterm pid, erts_driver_t *driver,
new_name = (char*) erts_alloc(ERTS_ALC_T_PORT_NAME, sys_strlen(name)+1);
sys_strcpy(new_name, name);
erts_smp_runq_lock(runq);
- erts_smp_atomic_inc(&erts_ports_alive);
erts_smp_port_state_lock(prt);
prt->status = ERTS_PORT_SFLG_CONNECTED | xstatus;
- prt->snapshot = (Uint32) erts_smp_atomic_read(&erts_ports_snapshot);
+ prt->snapshot = erts_smp_atomic32_read(&erts_ports_snapshot);
old_name = prt->name;
prt->name = new_name;
#ifdef ERTS_SMP
@@ -1281,7 +1279,6 @@ void init_io(void)
erts_smp_atomic_init(&erts_bytes_out, 0);
erts_smp_atomic_init(&erts_bytes_in, 0);
- erts_smp_atomic_init(&erts_ports_alive, 0);
for (i = 0; i < erts_max_ports; i++) {
erts_port_task_init_sched(&erts_port[i].sched);
@@ -1303,7 +1300,7 @@ void init_io(void)
erts_port[i].port_data_lock = NULL;
}
- erts_smp_atomic_init(&erts_ports_snapshot, (erts_aint_t) 0);
+ erts_smp_atomic32_init(&erts_ports_snapshot, (erts_aint32_t) 0);
last_port_num = 0;
erts_smp_spinlock_init(&get_free_port_lck, "get_free_port");
diff --git a/erts/emulator/beam/safe_hash.c b/erts/emulator/beam/safe_hash.c
index 21d6ce9304..3e9243c77d 100644
--- a/erts/emulator/beam/safe_hash.c
+++ b/erts/emulator/beam/safe_hash.c
@@ -99,7 +99,7 @@ static void rehash(SafeHash* h, int grow_limit)
erts_free(h->type, (void *) old_tab);
}
/*else already done */
- erts_smp_atomic_set(&h->is_rehashing, 0);
+ erts_smp_atomic_set_relb(&h->is_rehashing, 0);
}
diff --git a/erts/emulator/sys/common/erl_check_io.c b/erts/emulator/sys/common/erl_check_io.c
index 218bd79584..71b374527e 100644
--- a/erts/emulator/sys/common/erl_check_io.c
+++ b/erts/emulator/sys/common/erl_check_io.c
@@ -1137,6 +1137,11 @@ ERTS_CIO_EXPORT(erts_check_io)(int do_wait)
restart:
+#ifdef ERTS_BREAK_REQUESTED
+ if (ERTS_BREAK_REQUESTED)
+ erts_do_break_handling();
+#endif
+
/* Figure out timeout value */
if (do_wait) {
erts_time_remaining(&wait_time);
diff --git a/erts/emulator/sys/common/erl_poll.c b/erts/emulator/sys/common/erl_poll.c
index 3ae5b8d747..f5c785d683 100644
--- a/erts/emulator/sys/common/erl_poll.c
+++ b/erts/emulator/sys/common/erl_poll.c
@@ -766,7 +766,7 @@ write_batch_buf(ErtsPollSet ps, ErtsPollBatchBuf *bbp)
short filter;
int fd = (int) ebuf[i].ident;
- switch ((int) ebuf[i].udata) {
+ switch ((int) (long) ebuf[i].udata) {
/*
* Since we use a lazy update approach EV_DELETE will
@@ -805,7 +805,7 @@ write_batch_buf(ErtsPollSet ps, ErtsPollBatchBuf *bbp)
if (fd == (int) ebuf[j].ident) {
ebuf[j].udata = (void *) ERTS_POLL_KQ_OP_HANDLED;
if (!(ebuf[j].flags & EV_ERROR)) {
- switch ((int) ebuf[j].udata) {
+ switch ((int) (long) ebuf[j].udata) {
case ERTS_POLL_KQ_OP_ADD2_W:
filter = EVFILT_WRITE;
goto rm_add_fb;
@@ -823,7 +823,8 @@ write_batch_buf(ErtsPollSet ps, ErtsPollBatchBuf *bbp)
}
}
/* The other add succeded... */
- filter = (((int) ebuf[i].udata == ERTS_POLL_KQ_OP_ADD2_W)
+ filter = ((((int) (long) ebuf[i].udata)
+ == ERTS_POLL_KQ_OP_ADD2_W)
? EVFILT_READ
: EVFILT_WRITE);
rm_add_fb:
diff --git a/erts/emulator/sys/win32/erl_poll.c b/erts/emulator/sys/win32/erl_poll.c
index 7662f190ef..074e2e247f 100644
--- a/erts/emulator/sys/win32/erl_poll.c
+++ b/erts/emulator/sys/win32/erl_poll.c
@@ -693,6 +693,7 @@ static void *break_waiter(void *param)
ResetEvent(harr[0]);
erts_mtx_lock(&break_waiter_lock);
erts_atomic32_set(&break_waiter_state,BREAK_WAITER_GOT_BREAK);
+ ERTS_THR_MEMORY_BARRIER;
SetEvent(break_happened_event);
erts_mtx_unlock(&break_waiter_lock);
break;
@@ -700,6 +701,7 @@ static void *break_waiter(void *param)
ResetEvent(harr[1]);
erts_mtx_lock(&break_waiter_lock);
erts_atomic32_set(&break_waiter_state,BREAK_WAITER_GOT_HALT);
+ ERTS_THR_MEMORY_BARRIER;
SetEvent(break_happened_event);
erts_mtx_unlock(&break_waiter_lock);
break;
diff --git a/erts/include/internal/libatomic_ops/ethr_atomic.h b/erts/include/internal/libatomic_ops/ethr_atomic.h
index d56693dbf8..2fc82c99a8 100644
--- a/erts/include/internal/libatomic_ops/ethr_atomic.h
+++ b/erts/include/internal/libatomic_ops/ethr_atomic.h
@@ -146,13 +146,13 @@ ETHR_NATMC_FUNC__(read)(ETHR_ATMC_T__ *var)
static ETHR_INLINE ETHR_AINT_T__
ETHR_NATMC_FUNC__(add_return)(ETHR_ATMC_T__ *var, ETHR_AINT_T__ incr)
{
-#ifdef AO_HAVE_fetch_and_add
- return ((ETHR_AINT_T__) AO_fetch_and_add(&var->counter, (AO_t) incr)) + incr;
+#ifdef AO_HAVE_fetch_and_add_full
+ return ((ETHR_AINT_T__) AO_fetch_and_add_full(&var->counter, (AO_t) incr)) + incr;
#else
while (1) {
AO_t exp = AO_load(&var->counter);
AO_t new = exp + (AO_t) incr;
- if (AO_compare_and_swap(&var->counter, exp, new))
+ if (AO_compare_and_swap_full(&var->counter, exp, new))
return (ETHR_AINT_T__) new;
}
#endif
@@ -167,8 +167,8 @@ ETHR_NATMC_FUNC__(add)(ETHR_ATMC_T__ *var, ETHR_AINT_T__ incr)
static ETHR_INLINE ETHR_AINT_T__
ETHR_NATMC_FUNC__(inc_return)(ETHR_ATMC_T__ *var)
{
-#ifdef AO_HAVE_fetch_and_add1
- return ((ETHR_AINT_T__) AO_fetch_and_add1(&var->counter)) + 1;
+#ifdef AO_HAVE_fetch_and_add1_full
+ return ((ETHR_AINT_T__) AO_fetch_and_add1_full(&var->counter)) + 1;
#else
return ETHR_NATMC_FUNC__(add_return)(var, 1);
#endif
@@ -183,8 +183,8 @@ ETHR_NATMC_FUNC__(inc)(ETHR_ATMC_T__ *var)
static ETHR_INLINE ETHR_AINT_T__
ETHR_NATMC_FUNC__(dec_return)(ETHR_ATMC_T__ *var)
{
-#ifdef AO_HAVE_fetch_and_sub1
- return ((ETHR_AINT_T__) AO_fetch_and_sub1(&var->counter)) - 1;
+#ifdef AO_HAVE_fetch_and_sub1_full
+ return ((ETHR_AINT_T__) AO_fetch_and_sub1_full(&var->counter)) - 1;
#else
return ETHR_NATMC_FUNC__(add_return)(var, -1);
#endif
@@ -202,7 +202,7 @@ ETHR_NATMC_FUNC__(and_retold)(ETHR_ATMC_T__ *var, ETHR_AINT_T__ mask)
while (1) {
AO_t exp = AO_load(&var->counter);
AO_t new = exp & ((AO_t) mask);
- if (AO_compare_and_swap(&var->counter, exp, new))
+ if (AO_compare_and_swap_full(&var->counter, exp, new))
return (ETHR_AINT_T__) exp;
}
}
@@ -213,7 +213,7 @@ ETHR_NATMC_FUNC__(or_retold)(ETHR_ATMC_T__ *var, ETHR_AINT_T__ mask)
while (1) {
AO_t exp = AO_load(&var->counter);
AO_t new = exp | ((AO_t) mask);
- if (AO_compare_and_swap(&var->counter, exp, new))
+ if (AO_compare_and_swap_full(&var->counter, exp, new))
return (ETHR_AINT_T__) exp;
}
}
@@ -225,7 +225,7 @@ ETHR_NATMC_FUNC__(cmpxchg)(ETHR_ATMC_T__ *var,
{
ETHR_AINT_T__ act;
do {
- if (AO_compare_and_swap(&var->counter, (AO_t) exp, (AO_t) new))
+ if (AO_compare_and_swap_full(&var->counter, (AO_t) exp, (AO_t) new))
return exp;
act = (ETHR_AINT_T__) AO_load(&var->counter);
} while (act == exp);
@@ -237,7 +237,7 @@ ETHR_NATMC_FUNC__(xchg)(ETHR_ATMC_T__ *var, ETHR_AINT_T__ new)
{
while (1) {
AO_t exp = AO_load(&var->counter);
- if (AO_compare_and_swap(&var->counter, exp, (AO_t) new))
+ if (AO_compare_and_swap_full(&var->counter, exp, (AO_t) new))
return (ETHR_AINT_T__) exp;
}
}
@@ -265,7 +265,6 @@ ETHR_NATMC_FUNC__(inc_return_acqb)(ETHR_ATMC_T__ *var)
return ((ETHR_AINT_T__) AO_fetch_and_add1_acquire(&var->counter)) + 1;
#else
ETHR_AINT_T__ res = ETHR_NATMC_FUNC__(add_return)(var, 1);
- ETHR_MEMORY_BARRIER;
return res;
#endif
}
@@ -287,7 +286,6 @@ ETHR_NATMC_FUNC__(dec_return_relb)(ETHR_ATMC_T__ *var)
#ifdef AO_HAVE_fetch_and_sub1_release
return ((ETHR_AINT_T__) AO_fetch_and_sub1_release(&var->counter)) - 1;
#else
- ETHR_MEMORY_BARRIER;
return ETHR_NATMC_FUNC__(dec_return)(var);
#endif
}
@@ -314,7 +312,6 @@ ETHR_NATMC_FUNC__(cmpxchg_acqb)(ETHR_ATMC_T__ *var,
return act;
#else
ETHR_AINT_T__ act = ETHR_NATMC_FUNC__(cmpxchg)(var, new, exp);
- ETHR_MEMORY_BARRIER;
return act;
#endif
}
@@ -333,7 +330,6 @@ ETHR_NATMC_FUNC__(cmpxchg_relb)(ETHR_ATMC_T__ *var,
} while (act == exp);
return act;
#else
- ETHR_MEMORY_BARRIER;
return ETHR_NATMC_FUNC__(cmpxchg)(var, new, exp);
#endif
}
diff --git a/erts/include/internal/sparc32/atomic.h b/erts/include/internal/sparc32/atomic.h
index 00380dbf07..16182f8b01 100644
--- a/erts/include/internal/sparc32/atomic.h
+++ b/erts/include/internal/sparc32/atomic.h
@@ -95,7 +95,7 @@ ETHR_NATMC_FUNC__(add_return)(ETHR_ATMC_T__ *var, ETHR_AINT_T__ incr)
{
ETHR_AINT_T__ old, tmp;
- __asm__ __volatile__("membar #LoadLoad|#StoreLoad\n");
+ __asm__ __volatile__("membar #LoadLoad|#StoreLoad\n" : : : "memory");
do {
old = var->counter;
tmp = old+incr;
@@ -105,7 +105,7 @@ ETHR_NATMC_FUNC__(add_return)(ETHR_ATMC_T__ *var, ETHR_AINT_T__ incr)
: "r"(old), "r"(&var->counter), "0"(tmp)
: "memory");
} while (__builtin_expect(old != tmp, 0));
- __asm__ __volatile__("membar #StoreLoad|#StoreStore");
+ __asm__ __volatile__("membar #StoreLoad|#StoreStore" : : : "memory");
return old+incr;
}
@@ -144,7 +144,7 @@ ETHR_NATMC_FUNC__(and_retold)(ETHR_ATMC_T__ *var, ETHR_AINT_T__ mask)
{
ETHR_AINT_T__ old, tmp;
- __asm__ __volatile__("membar #LoadLoad|#StoreLoad\n");
+ __asm__ __volatile__("membar #LoadLoad|#StoreLoad\n" : : : "memory");
do {
old = var->counter;
tmp = old & mask;
@@ -154,7 +154,7 @@ ETHR_NATMC_FUNC__(and_retold)(ETHR_ATMC_T__ *var, ETHR_AINT_T__ mask)
: "r"(old), "r"(&var->counter), "0"(tmp)
: "memory");
} while (__builtin_expect(old != tmp, 0));
- __asm__ __volatile__("membar #StoreLoad|#StoreStore");
+ __asm__ __volatile__("membar #StoreLoad|#StoreStore" : : : "memory");
return old;
}
@@ -163,7 +163,7 @@ ETHR_NATMC_FUNC__(or_retold)(ETHR_ATMC_T__ *var, ETHR_AINT_T__ mask)
{
ETHR_AINT_T__ old, tmp;
- __asm__ __volatile__("membar #LoadLoad|#StoreLoad\n");
+ __asm__ __volatile__("membar #LoadLoad|#StoreLoad\n" : : : "memory");
do {
old = var->counter;
tmp = old | mask;
@@ -173,7 +173,7 @@ ETHR_NATMC_FUNC__(or_retold)(ETHR_ATMC_T__ *var, ETHR_AINT_T__ mask)
: "r"(old), "r"(&var->counter), "0"(tmp)
: "memory");
} while (__builtin_expect(old != tmp, 0));
- __asm__ __volatile__("membar #StoreLoad|#StoreStore");
+ __asm__ __volatile__("membar #StoreLoad|#StoreStore" : : : "memory");
return old;
}
@@ -182,7 +182,7 @@ ETHR_NATMC_FUNC__(xchg)(ETHR_ATMC_T__ *var, ETHR_AINT_T__ val)
{
ETHR_AINT_T__ old, new;
- __asm__ __volatile__("membar #LoadLoad|#StoreLoad");
+ __asm__ __volatile__("membar #LoadLoad|#StoreLoad" : : : "memory");
do {
old = var->counter;
new = val;
@@ -192,20 +192,20 @@ ETHR_NATMC_FUNC__(xchg)(ETHR_ATMC_T__ *var, ETHR_AINT_T__ val)
: "r"(old), "r"(&var->counter), "0"(new)
: "memory");
} while (__builtin_expect(old != new, 0));
- __asm__ __volatile__("membar #StoreLoad|#StoreStore");
+ __asm__ __volatile__("membar #StoreLoad|#StoreStore" : : : "memory");
return old;
}
static ETHR_INLINE ETHR_AINT_T__
ETHR_NATMC_FUNC__(cmpxchg)(ETHR_ATMC_T__ *var, ETHR_AINT_T__ new, ETHR_AINT_T__ old)
{
- __asm__ __volatile__("membar #LoadLoad|#StoreLoad\n");
+ __asm__ __volatile__("membar #LoadLoad|#StoreLoad\n" : : : "memory");
__asm__ __volatile__(
ETHR_CAS__ " [%2], %1, %0"
: "=&r"(new)
: "r"(old), "r"(&var->counter), "0"(new)
: "memory");
- __asm__ __volatile__("membar #StoreLoad|#StoreStore");
+ __asm__ __volatile__("membar #StoreLoad|#StoreStore" : : : "memory");
return new;
}
@@ -213,13 +213,11 @@ ETHR_NATMC_FUNC__(cmpxchg)(ETHR_ATMC_T__ *var, ETHR_AINT_T__ new, ETHR_AINT_T__
* Atomic ops with at least specified barriers.
*/
-/* TODO: relax acquire barriers */
-
static ETHR_INLINE ETHR_AINT_T__
ETHR_NATMC_FUNC__(read_acqb)(ETHR_ATMC_T__ *var)
{
ETHR_AINT_T__ res = ETHR_NATMC_FUNC__(read)(var);
- __asm__ __volatile__("membar #LoadLoad|#LoadStore|#StoreLoad|#StoreStore" : : : "memory");
+ __asm__ __volatile__("membar #LoadLoad|#LoadStore" : : : "memory");
return res;
}
@@ -234,21 +232,18 @@ static ETHR_INLINE ETHR_AINT_T__
ETHR_NATMC_FUNC__(inc_return_acqb)(ETHR_ATMC_T__ *var)
{
ETHR_AINT_T__ res = ETHR_NATMC_FUNC__(inc_return)(var);
- __asm__ __volatile__("membar #LoadLoad|#LoadStore" : : : "memory");
return res;
}
static ETHR_INLINE void
ETHR_NATMC_FUNC__(dec_relb)(ETHR_ATMC_T__ *var)
{
- __asm__ __volatile__("membar #LoadStore|#StoreStore" : : : "memory");
ETHR_NATMC_FUNC__(dec)(var);
}
static ETHR_INLINE ETHR_AINT_T__
ETHR_NATMC_FUNC__(dec_return_relb)(ETHR_ATMC_T__ *var)
{
- __asm__ __volatile__("membar #LoadStore|#StoreStore" : : : "memory");
return ETHR_NATMC_FUNC__(dec_return)(var);
}
@@ -256,14 +251,12 @@ static ETHR_INLINE ETHR_AINT_T__
ETHR_NATMC_FUNC__(cmpxchg_acqb)(ETHR_ATMC_T__ *var, ETHR_AINT_T__ new, ETHR_AINT_T__ old)
{
ETHR_AINT_T__ res = ETHR_NATMC_FUNC__(cmpxchg)(var, new, old);
- __asm__ __volatile__("membar #LoadLoad|#LoadStore" : : : "memory");
return res;
}
static ETHR_INLINE ETHR_AINT_T__
ETHR_NATMC_FUNC__(cmpxchg_relb)(ETHR_ATMC_T__ *var, ETHR_AINT_T__ new, ETHR_AINT_T__ old)
{
- __asm__ __volatile__("membar #LoadStore|#StoreStore" : : : "memory");
return ETHR_NATMC_FUNC__(cmpxchg)(var, new, old);
}
diff --git a/erts/include/internal/tile/atomic.h b/erts/include/internal/tile/atomic.h
index 48e4c0c6c8..0c7b597a6b 100644
--- a/erts/include/internal/tile/atomic.h
+++ b/erts/include/internal/tile/atomic.h
@@ -65,25 +65,35 @@ ethr_native_atomic32_read(ethr_native_atomic32_t *var)
static ETHR_INLINE void
ethr_native_atomic32_add(ethr_native_atomic32_t *var, ethr_sint32_t incr)
{
+ ETHR_MEMORY_BARRIER;
atomic_add(&var->counter, incr);
+ ETHR_MEMORY_BARRIER;
}
static ETHR_INLINE void
ethr_native_atomic32_inc(ethr_native_atomic32_t *var)
{
+ ETHR_MEMORY_BARRIER;
atomic_increment(&var->counter);
+ ETHR_MEMORY_BARRIER;
}
static ETHR_INLINE void
ethr_native_atomic32_dec(ethr_native_atomic32_t *var)
{
+ ETHR_MEMORY_BARRIER;
atomic_decrement(&var->counter);
+ ETHR_MEMORY_BARRIER;
}
static ETHR_INLINE ethr_sint32_t
ethr_native_atomic32_add_return(ethr_native_atomic32_t *var, ethr_sint32_t incr)
{
- return atomic_exchange_and_add(&var->counter, incr) + incr;
+ ethr_sint32_t res;
+ ETHR_MEMORY_BARRIER;
+ res = atomic_exchange_and_add(&var->counter, incr) + incr;
+ ETHR_MEMORY_BARRIER;
+ return res;
}
static ETHR_INLINE ethr_sint32_t
@@ -101,18 +111,27 @@ ethr_native_atomic32_dec_return(ethr_native_atomic32_t *var)
static ETHR_INLINE ethr_sint32_t
ethr_native_atomic32_and_retold(ethr_native_atomic32_t *var, ethr_sint32_t mask)
{
- return atomic_and_val(&var->counter, mask);
+ ethr_sint32_t res;
+ ETHR_MEMORY_BARRIER;
+ res = atomic_and_val(&var->counter, mask);
+ ETHR_MEMORY_BARRIER;
+ return res;
}
static ETHR_INLINE ethr_sint32_t
ethr_native_atomic32_or_retold(ethr_native_atomic32_t *var, ethr_sint32_t mask)
{
- return atomic_or_val(&var->counter, mask);
+ ethr_sint32_t res;
+ ETHR_MEMORY_BARRIER;
+ res = atomic_or_val(&var->counter, mask);
+ ETHR_MEMORY_BARRIER;
+ return res;
}
static ETHR_INLINE ethr_sint32_t
ethr_native_atomic32_xchg(ethr_native_atomic32_t *var, ethr_sint32_t val)
{
+ ETHR_MEMORY_BARRIER;
return atomic_exchange_acq(&var->counter, val);
}
@@ -121,6 +140,7 @@ ethr_native_atomic32_cmpxchg(ethr_native_atomic32_t *var,
ethr_sint32_t new,
ethr_sint32_t expected)
{
+ ETHR_MEMORY_BARRIER;
return atomic_compare_and_exchange_val_acq(&var->counter, new, expected);
}
@@ -139,9 +159,7 @@ ethr_native_atomic32_read_acqb(ethr_native_atomic32_t *var)
static ETHR_INLINE ethr_sint32_t
ethr_native_atomic32_inc_return_acqb(ethr_native_atomic32_t *var)
{
- ethr_sint32_t res = ethr_native_atomic32_inc_return(var);
- ETHR_MEMORY_BARRIER;
- return res;
+ return ethr_native_atomic32_inc_return(var);
}
static ETHR_INLINE void
@@ -154,14 +172,12 @@ ethr_native_atomic32_set_relb(ethr_native_atomic32_t *var, ethr_sint32_t val)
static ETHR_INLINE void
ethr_native_atomic32_dec_relb(ethr_native_atomic32_t *var)
{
- ETHR_MEMORY_BARRIER;
ethr_native_atomic32_dec(var);
}
static ETHR_INLINE ethr_sint32_t
ethr_native_atomic32_dec_return_relb(ethr_native_atomic32_t *var)
{
- ETHR_MEMORY_BARRIER;
return ethr_native_atomic32_dec_return(var);
}
@@ -178,7 +194,6 @@ ethr_native_atomic32_cmpxchg_relb(ethr_native_atomic32_t *var,
ethr_sint32_t new,
ethr_sint32_t exp)
{
- ETHR_MEMORY_BARRIER;
return ethr_native_atomic32_cmpxchg(var, new, exp);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-30 23:56:46 +0000