diff options
Diffstat (limited to 'erts')
| -rw-r--r-- | erts/emulator/beam/break.c | 7 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_alloc.c | 6 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_alloc.h | 9 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_alloc_util.c | 31 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_alloc_util.h | 6 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_db.c | 6 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_db_hash.c | 8 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_process.c | 223 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_process.h | 38 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_sched_spec_pre_alloc.c | 3 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_smp.h | 87 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_thr_progress.c | 69 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_thr_progress.h | 99 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_thr_queue.c | 5 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_threads.h | 319 | ||||
| -rw-r--r-- | erts/include/internal/ethr_atomics.h | 337 | ||||
| -rw-r--r-- | erts/lib_src/common/ethr_atomics.c | 303 | ||||
| -rwxr-xr-x | erts/lib_src/utils/make_atomics_api | 285 |
18 files changed, 1511 insertions, 330 deletions
diff --git a/erts/emulator/beam/break.c b/erts/emulator/beam/break.c index 0d3b6a4dba..6f5020dc14 100644 --- a/erts/emulator/beam/break.c +++ b/erts/emulator/beam/break.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1996-2011. All Rights Reserved. + * Copyright Ericsson AB 1996-2012. 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 @@ -646,6 +646,9 @@ bin_check(void) void erl_crash_dump_v(char *file, int line, char* fmt, va_list args) { +#ifdef ERTS_SMP + ErtsThrPrgrData tpd_buf; /* in case we aren't a managed thread... */ +#endif int fd; time_t now; size_t dumpnamebufsize = MAXPATHLEN; @@ -663,7 +666,7 @@ erl_crash_dump_v(char *file, int line, char* fmt, va_list args) * We do not release system again. We expect an exit() or abort() after * dump has been written. */ - erts_thr_progress_fatal_error_block(60000); + erts_thr_progress_fatal_error_block(60000, &tpd_buf); /* Either worked or not... */ /* Allow us to pass certain places without locking... */ diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c index 4d02a67d54..df27186680 100644 --- a/erts/emulator/beam/erl_alloc.c +++ b/erts/emulator/beam/erl_alloc.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2002-2011. All Rights Reserved. + * Copyright Ericsson AB 2002-2012. 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 @@ -1577,9 +1577,11 @@ erts_alloc_register_scheduler(void *vesdp) } } +#ifdef ERTS_SMP void erts_alloc_scheduler_handle_delayed_dealloc(void *vesdp, int *need_thr_progress, + ErtsThrPrgrVal *thr_prgr_p, int *more_work) { ErtsSchedulerData *esdp = (ErtsSchedulerData *) vesdp; @@ -1599,10 +1601,12 @@ erts_alloc_scheduler_handle_delayed_dealloc(void *vesdp, erts_alcu_check_delayed_dealloc(allctr, 1, need_thr_progress, + thr_prgr_p, more_work); } } } +#endif erts_aint32_t erts_alloc_fix_alloc_shrink(int ix, erts_aint32_t flgs) diff --git a/erts/emulator/beam/erl_alloc.h b/erts/emulator/beam/erl_alloc.h index 991061c48e..e475f9d8a2 100644 --- a/erts/emulator/beam/erl_alloc.h +++ b/erts/emulator/beam/erl_alloc.h @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2002-2011. All Rights Reserved. + * Copyright Ericsson AB 2002-2012. 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 @@ -21,6 +21,10 @@ #define ERL_ALLOC_H__ #include "erl_alloc_types.h" +#undef ERL_THR_PROGRESS_TSD_TYPE_ONLY +#define ERL_THR_PROGRESS_TSD_TYPE_ONLY +#include "erl_thr_progress.h" +#undef ERL_THR_PROGRESS_TSD_TYPE_ONLY #include "erl_alloc_util.h" #ifdef USE_THREADS #include "erl_threads.h" @@ -132,9 +136,12 @@ typedef struct { extern ErtsAllocatorThrSpec_t erts_allctr_thr_spec[ERTS_ALC_A_MAX+1]; void erts_alloc_register_scheduler(void *vesdp); +#ifdef ERTS_SMP void erts_alloc_scheduler_handle_delayed_dealloc(void *vesdp, int *need_thr_progress, + ErtsThrPrgrVal *thr_prgr_p, int *more_work); +#endif erts_aint32_t erts_alloc_fix_alloc_shrink(int ix, erts_aint32_t flgs); __decl_noreturn void erts_alloc_enomem(ErtsAlcType_t,Uint) diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c index 2e1a92f61d..e0d525bdde 100644 --- a/erts/emulator/beam/erl_alloc_util.c +++ b/erts/emulator/beam/erl_alloc_util.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2002-2011. All Rights Reserved. + * Copyright Ericsson AB 2002-2012. 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 @@ -949,7 +949,6 @@ ddq_check_incoming(ErtsAllctrDDQueue_t *ddq) ERTS_THR_MEMORY_BARRIER; else { ddq->head.next.unref_end = (ErtsAllctrDDBlock_t *) ilast; - ERTS_THR_MEMORY_BARRIER; ddq->head.next.thr_progress = erts_thr_progress_later(); erts_atomic32_set_relb(&ddq->tail.data.um_refc_ix, um_refc_ix); @@ -961,12 +960,24 @@ ddq_check_incoming(ErtsAllctrDDQueue_t *ddq) return 1; } +static ERTS_INLINE void +store_earliest_thr_prgr(ErtsThrPrgrVal *prev_val, ErtsAllctrDDQueue_t *ddq) +{ + if (!ddq->head.next.thr_progress_reached + && (*prev_val == ERTS_THR_PRGR_INVALID + || erts_thr_progress_cmp(ddq->head.next.thr_progress, + *prev_val) < 0)) { + *prev_val = ddq->head.next.thr_progress; + } +} + static ERTS_INLINE int handle_delayed_dealloc(Allctr_t *allctr, int allctr_locked, int use_limit, int ops_limit, int *need_thr_progress, + ErtsThrPrgrVal *thr_prgr_p, int *need_more_work) { int need_thr_prgr = 0; @@ -1008,8 +1019,12 @@ handle_delayed_dealloc(Allctr_t *allctr, if (have_checked_incoming) break; need_thr_prgr = ddq_check_incoming(ddq); - if (need_thr_progress) + if (need_thr_progress) { *need_thr_progress |= need_thr_prgr; + if (need_thr_prgr) + store_earliest_thr_prgr(thr_prgr_p, ddq); + + } have_checked_incoming = 1; goto dequeue; } @@ -1067,6 +1082,8 @@ handle_delayed_dealloc(Allctr_t *allctr, if (need_thr_progress && !(need_thr_prgr | need_mr_wrk)) { need_thr_prgr = ddq_check_incoming(ddq); *need_thr_progress |= need_thr_prgr; + if (need_thr_prgr) + store_earliest_thr_prgr(thr_prgr_p, ddq); } if (allctr->thread_safe && !allctr_locked) @@ -1086,25 +1103,27 @@ enqueue_dealloc_other_instance(ErtsAlcType_t type, Allctr_t *allctr, void *ptr) #endif +#ifdef ERTS_SMP void erts_alcu_check_delayed_dealloc(Allctr_t *allctr, int limit, int *need_thr_progress, + ErtsThrPrgrVal *thr_prgr_p, int *more_work) { -#ifdef ERTS_SMP handle_delayed_dealloc(allctr, 0, limit, ERTS_ALCU_DD_OPS_LIM_HIGH, need_thr_progress, + thr_prgr_p, more_work); -#endif } +#endif #define ERTS_ALCU_HANDLE_DD_IN_OP(Allctr, Locked) \ handle_delayed_dealloc((Allctr), (Locked), 1, \ - ERTS_ALCU_DD_OPS_LIM_LOW, NULL, NULL) + ERTS_ALCU_DD_OPS_LIM_LOW, NULL, NULL, NULL) /* Multi block carrier alloc/realloc/free ... */ diff --git a/erts/emulator/beam/erl_alloc_util.h b/erts/emulator/beam/erl_alloc_util.h index fc1eddb116..cedf4ccf85 100644 --- a/erts/emulator/beam/erl_alloc_util.h +++ b/erts/emulator/beam/erl_alloc_util.h @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2002-2011. All Rights Reserved. + * Copyright Ericsson AB 2002-2012. 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 @@ -170,7 +170,9 @@ Eterm erts_alcu_info(Allctr_t *, int, int *, void *, Uint **, Uint *); void erts_alcu_init(AlcUInit_t *); void erts_alcu_current_size(Allctr_t *, AllctrSize_t *, ErtsAlcUFixInfo_t *, int); -void erts_alcu_check_delayed_dealloc(Allctr_t *, int, int *, int *); +#ifdef ERTS_SMP +void erts_alcu_check_delayed_dealloc(Allctr_t *, int, int *, ErtsThrPrgrVal *, int *); +#endif erts_aint32_t erts_alcu_fix_alloc_shrink(Allctr_t *, erts_aint32_t); #endif diff --git a/erts/emulator/beam/erl_db.c b/erts/emulator/beam/erl_db.c index eb89baf1c9..51bdf53823 100644 --- a/erts/emulator/beam/erl_db.c +++ b/erts/emulator/beam/erl_db.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1996-2011. All Rights Reserved. + * Copyright Ericsson AB 1996-2012. 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 @@ -251,7 +251,7 @@ free_dbtable(DbTable* tb) ASSERT(is_immed(tb->common.heir_data)); erts_db_free(ERTS_ALC_T_DB_TABLE, tb, (void *) tb, sizeof(DbTable)); ERTS_ETS_MISC_MEM_ADD(-sizeof(DbTable)); - ERTS_THR_MEMORY_BARRIER; + ERTS_SMP_MEMORY_BARRIER; } #ifdef ERTS_SMP @@ -3816,7 +3816,7 @@ void db_info(int to, void *to_arg, int show) /* Called by break handler */ Uint erts_get_ets_misc_mem_size(void) { - ERTS_THR_MEMORY_BARRIER; + ERTS_SMP_MEMORY_BARRIER; /* Memory not allocated in ets_alloc */ return (Uint) erts_smp_atomic_read_nob(&erts_ets_misc_mem_size); } diff --git a/erts/emulator/beam/erl_db_hash.c b/erts/emulator/beam/erl_db_hash.c index 038a667b06..c726be5fb4 100644 --- a/erts/emulator/beam/erl_db_hash.c +++ b/erts/emulator/beam/erl_db_hash.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1998-2011. All Rights Reserved. + * Copyright Ericsson AB 1998-2012. 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 @@ -105,11 +105,7 @@ #define NSEG_2 256 /* Size of second segment table */ #define NSEG_INC 128 /* Number of segments to grow after that */ -#ifdef ETHR_ORDERED_READ_DEPEND -#define SEGTAB(tb) ((struct segment**)erts_smp_atomic_read_nob(&(tb)->segtab)) -#else -#define SEGTAB(tb) ((struct segment**)erts_smp_atomic_read_rb(&(tb)->segtab)) -#endif +#define SEGTAB(tb) ((struct segment**)erts_smp_atomic_read_ddrb(&(tb)->segtab)) #define NACTIVE(tb) ((int)erts_smp_atomic_read_nob(&(tb)->nactive)) #define NITEMS(tb) ((int)erts_smp_atomic_read_nob(&(tb)->common.nitems)) diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index eedbb35486..138acfeb2c 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1996-2011. All Rights Reserved. + * Copyright Ericsson AB 1996-2012. 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 @@ -347,40 +347,25 @@ dbg_chk_aux_work_val(erts_aint32_t value) { erts_aint32_t valid = 0; -#ifdef ERTS_SSI_AUX_WORK_SET_TMO valid |= ERTS_SSI_AUX_WORK_SET_TMO; -#endif -#ifdef ERTS_SSI_AUX_WORK_CHECK_CHILDREN - valid |= ERTS_SSI_AUX_WORK_CHECK_CHILDREN; -#endif -#ifdef ERTS_SSI_AUX_WORK_MISC valid |= ERTS_SSI_AUX_WORK_MISC; -#endif -#ifdef ERTS_SSI_AUX_WORK_MISC_THR_PRGR - valid |= ERTS_SSI_AUX_WORK_MISC_THR_PRGR; -#endif -#ifdef ERTS_SSI_AUX_WORK_ASYNC_READY - valid |= ERTS_SSI_AUX_WORK_ASYNC_READY; -#endif -#ifdef ERTS_SSI_AUX_WORK_ASYNC_READY_CLEAN - valid |= ERTS_SSI_AUX_WORK_ASYNC_READY_CLEAN; -#endif - -#ifdef ERTS_SSI_AUX_WORK_FIX_ALLOC_LOWER_LIM valid |= ERTS_SSI_AUX_WORK_FIX_ALLOC_LOWER_LIM; -#endif -#ifdef ERTS_SSI_AUX_WORK_FIX_ALLOC_DEALLOC valid |= ERTS_SSI_AUX_WORK_FIX_ALLOC_DEALLOC; +#if ERTS_USE_ASYNC_READY_Q + valid |= ERTS_SSI_AUX_WORK_ASYNC_READY; + valid |= ERTS_SSI_AUX_WORK_ASYNC_READY_CLEAN; #endif -#ifdef ERTS_SSI_AUX_WORK_DD +#ifdef ERTS_SMP + valid |= ERTS_SSI_AUX_WORK_MISC_THR_PRGR; valid |= ERTS_SSI_AUX_WORK_DD; -#endif -#ifdef ERTS_SSI_AUX_WORK_DD valid |= ERTS_SSI_AUX_WORK_DD_THR_PRGR; #endif -#ifdef ERTS_SSI_AUX_WORK_MSEG_CACHE_CHECK +#if HAVE_ERTS_MSEG valid |= ERTS_SSI_AUX_WORK_MSEG_CACHE_CHECK; #endif +#ifdef ERTS_SMP_SCHEDULERS_NEED_TO_CHECK_CHILDREN + valid |= ERTS_SSI_AUX_WORK_CHECK_CHILDREN; +#endif if (~valid & value) erl_exit(ERTS_ABORT_EXIT, @@ -911,6 +896,27 @@ unset_aux_work_flags(ErtsSchedulerSleepInfo *ssi, erts_aint32_t flgs) return erts_atomic32_read_band_nob(&ssi->aux_work, ~flgs); } +#ifdef ERTS_SMP + +static ERTS_INLINE void +thr_prgr_current_reset(ErtsAuxWorkData *awdp) +{ + awdp->current_thr_prgr = ERTS_THR_PRGR_INVALID; +} + +static ERTS_INLINE ErtsThrPrgrVal +thr_prgr_current(ErtsAuxWorkData *awdp) +{ + ErtsThrPrgrVal current = awdp->current_thr_prgr; + if (current == ERTS_THR_PRGR_INVALID) { + current = erts_thr_progress_current(); + awdp->current_thr_prgr = current; + } + return current; +} + +#endif + typedef struct erts_misc_aux_work_t_ erts_misc_aux_work_t; struct erts_misc_aux_work_t_ { void (*func)(void *); @@ -983,7 +989,7 @@ misc_aux_work_clean(ErtsThrQ_t *q, return aux_work; } -static erts_aint32_t +static ERTS_INLINE erts_aint32_t handle_misc_aux_work(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) { @@ -1003,12 +1009,13 @@ handle_misc_aux_work(ErtsAuxWorkData *awdp, #ifdef ERTS_SMP -static erts_aint32_t +static ERTS_INLINE erts_aint32_t handle_misc_aux_work_thr_prgr(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) { - if (!erts_thr_progress_has_reached(awdp->misc.thr_prgr)) - return aux_work; + if (!erts_thr_progress_has_reached_this(thr_prgr_current(awdp), + awdp->misc.thr_prgr)) + return aux_work & ~ERTS_SSI_AUX_WORK_MISC_THR_PRGR; unset_aux_work_flags(awdp->ssi, ERTS_SSI_AUX_WORK_MISC_THR_PRGR); @@ -1081,7 +1088,7 @@ erts_notify_check_async_ready_queue(void *vno) ERTS_SSI_AUX_WORK_ASYNC_READY); } -static erts_aint32_t +static ERTS_INLINE erts_aint32_t handle_async_ready(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) { @@ -1103,7 +1110,7 @@ handle_async_ready(ErtsAuxWorkData *awdp, | ERTS_SSI_AUX_WORK_ASYNC_READY_CLEAN); } -static erts_aint32_t +static ERTS_INLINE erts_aint32_t handle_async_ready_clean(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) { @@ -1111,7 +1118,8 @@ handle_async_ready_clean(ErtsAuxWorkData *awdp, #ifdef ERTS_SMP if (awdp->async_ready.need_thr_prgr - && !erts_thr_progress_has_reached(awdp->async_ready.thr_prgr)) { + && !erts_thr_progress_has_reached_this(thr_prgr_current(awdp), + awdp->async_ready.thr_prgr)) { return aux_work & ~ERTS_SSI_AUX_WORK_ASYNC_READY_CLEAN; } @@ -1139,7 +1147,7 @@ handle_async_ready_clean(ErtsAuxWorkData *awdp, #endif -static erts_aint32_t +static ERTS_INLINE erts_aint32_t handle_fix_alloc(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) { ErtsSchedulerSleepInfo *ssi = awdp->ssi; @@ -1167,16 +1175,18 @@ erts_alloc_notify_delayed_dealloc(int ix) ERTS_SSI_AUX_WORK_DD); } -static erts_aint32_t +static ERTS_INLINE erts_aint32_t handle_delayed_dealloc(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) { ErtsSchedulerSleepInfo *ssi = awdp->ssi; int need_thr_progress = 0; + ErtsThrPrgrVal wakeup = ERTS_THR_PRGR_INVALID; int more_work = 0; unset_aux_work_flags(ssi, ERTS_SSI_AUX_WORK_DD); erts_alloc_scheduler_handle_delayed_dealloc((void *) awdp->esdp, &need_thr_progress, + &wakeup, &more_work); if (more_work) { if (set_aux_work_flags(ssi, ERTS_SSI_AUX_WORK_DD) @@ -1188,9 +1198,12 @@ handle_delayed_dealloc(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) } if (need_thr_progress) { + if (wakeup == ERTS_THR_PRGR_INVALID) + wakeup = erts_thr_progress_later_than(thr_prgr_current(awdp)); + awdp->dd.thr_prgr = wakeup; set_aux_work_flags(ssi, ERTS_SSI_AUX_WORK_DD_THR_PRGR); - awdp->dd.thr_prgr = erts_thr_progress_later(); - erts_thr_progress_wakeup(awdp->esdp, awdp->dd.thr_prgr); + awdp->dd.thr_prgr = wakeup; + erts_thr_progress_wakeup(awdp->esdp, wakeup); } else if (awdp->dd.completed_callback) { awdp->dd.completed_callback(awdp->dd.completed_arg); @@ -1200,14 +1213,16 @@ handle_delayed_dealloc(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) return aux_work & ~ERTS_SSI_AUX_WORK_DD; } -static erts_aint32_t +static ERTS_INLINE erts_aint32_t handle_delayed_dealloc_thr_prgr(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) { ErtsSchedulerSleepInfo *ssi; int need_thr_progress; int more_work; + ErtsThrPrgrVal wakeup = ERTS_THR_PRGR_INVALID; + ErtsThrPrgrVal current = thr_prgr_current(awdp); - if (!erts_thr_progress_has_reached(awdp->dd.thr_prgr)) + if (!erts_thr_progress_has_reached_this(current, awdp->dd.thr_prgr)) return aux_work & ~ERTS_SSI_AUX_WORK_DD_THR_PRGR; ssi = awdp->ssi; @@ -1216,6 +1231,7 @@ handle_delayed_dealloc_thr_prgr(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) erts_alloc_scheduler_handle_delayed_dealloc((void *) awdp->esdp, &need_thr_progress, + &wakeup, &more_work); if (more_work) { set_aux_work_flags(ssi, ERTS_SSI_AUX_WORK_DD); @@ -1225,8 +1241,10 @@ handle_delayed_dealloc_thr_prgr(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) } if (need_thr_progress) { - awdp->dd.thr_prgr = erts_thr_progress_later(); - erts_thr_progress_wakeup(awdp->esdp, awdp->dd.thr_prgr); + if (wakeup == ERTS_THR_PRGR_INVALID) + wakeup = erts_thr_progress_later_than(current); + awdp->dd.thr_prgr = wakeup; + erts_thr_progress_wakeup(awdp->esdp, wakeup); } else { unset_aux_work_flags(ssi, ERTS_SSI_AUX_WORK_DD_THR_PRGR); @@ -1323,7 +1341,7 @@ erts_smp_notify_check_children_needed(void) ERTS_SSI_AUX_WORK_CHECK_CHILDREN); } -static erts_aint32_t +static ERTS_INLINE erts_aint32_t handle_check_children(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) { unset_aux_work_flags(awdp->ssi, ERTS_SSI_AUX_WORK_CHECK_CHILDREN); @@ -1333,9 +1351,9 @@ handle_check_children(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) #endif -#ifdef ERTS_SSI_AUX_WORK_MSEG_CACHE_CHECK +#if HAVE_ERTS_MSEG -static erts_aint32_t +static ERTS_INLINE erts_aint32_t handle_mseg_cache_check(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) { unset_aux_work_flags(awdp->ssi, ERTS_SSI_AUX_WORK_MSEG_CACHE_CHECK); @@ -1345,7 +1363,7 @@ handle_mseg_cache_check(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) #endif -static erts_aint32_t +static ERTS_INLINE erts_aint32_t handle_setup_aux_work_timer(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) { unset_aux_work_flags(awdp->ssi, ERTS_SSI_AUX_WORK_SET_TMO); @@ -1353,69 +1371,92 @@ handle_setup_aux_work_timer(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) return aux_work & ~ERTS_SSI_AUX_WORK_SET_TMO; } -static ERTS_INLINE erts_aint32_t -handle_aux_work(ErtsAuxWorkData *awdp, erts_aint32_t aux_work) +static erts_aint32_t +handle_aux_work(ErtsAuxWorkData *awdp, erts_aint32_t orig_aux_work) { +#undef HANDLE_AUX_WORK +#define HANDLE_AUX_WORK(FLG, HNDLR) \ + ignore |= FLG; \ + if (aux_work & FLG) { \ + aux_work = HNDLR(awdp, aux_work); \ + ERTS_DBG_CHK_AUX_WORK_VAL(aux_work); \ + if (!(aux_work & ~ignore)) { \ + ERTS_DBG_CHK_AUX_WORK_VAL(aux_work); \ + return aux_work; \ + } \ + } + + erts_aint32_t aux_work = orig_aux_work; + erts_aint32_t ignore = 0; + +#ifdef ERTS_SMP + thr_prgr_current_reset(awdp); +#endif + + ERTS_DBG_CHK_AUX_WORK_VAL(aux_work); + ASSERT(aux_work); + /* * Handlers are *only* allowed to modify flags in return value * and ssi flags that are explicity handled by the handler. * Handlers are, e.g., not allowed to read the ssi flag field and * then unconditionally return that value. + * + * Flag field returned should only contain flags for work that + * can continue immediately. + */ + + /* + * Keep ERTS_SSI_AUX_WORK flags in expected frequency order relative + * eachother. Most frequent first. */ - ERTS_DBG_CHK_AUX_WORK_VAL(aux_work); - if (aux_work & ERTS_SSI_AUX_WORK_SET_TMO) { - aux_work = handle_setup_aux_work_timer(awdp, aux_work); - ERTS_DBG_CHK_AUX_WORK_VAL(aux_work); - } #ifdef ERTS_SMP - if (aux_work & ERTS_SSI_AUX_WORK_MISC_THR_PRGR) { - aux_work = handle_misc_aux_work_thr_prgr(awdp, aux_work); - ERTS_DBG_CHK_AUX_WORK_VAL(aux_work); - } + HANDLE_AUX_WORK(ERTS_SSI_AUX_WORK_DD, + handle_delayed_dealloc); + /* DD must be before DD_THR_PRGR */ + HANDLE_AUX_WORK(ERTS_SSI_AUX_WORK_DD_THR_PRGR, + handle_delayed_dealloc_thr_prgr); #endif - if (aux_work & ERTS_SSI_AUX_WORK_MISC) { - aux_work = handle_misc_aux_work(awdp, aux_work); - ERTS_DBG_CHK_AUX_WORK_VAL(aux_work); - } + + HANDLE_AUX_WORK((ERTS_SSI_AUX_WORK_FIX_ALLOC_LOWER_LIM + | ERTS_SSI_AUX_WORK_FIX_ALLOC_DEALLOC), + handle_fix_alloc); + #if ERTS_USE_ASYNC_READY_Q - if (aux_work & ERTS_SSI_AUX_WORK_ASYNC_READY) { - aux_work = handle_async_ready(awdp, aux_work); - ERTS_DBG_CHK_AUX_WORK_VAL(aux_work); - } - if (aux_work & ERTS_SSI_AUX_WORK_ASYNC_READY_CLEAN) { - aux_work = handle_async_ready_clean(awdp, aux_work); - ERTS_DBG_CHK_AUX_WORK_VAL(aux_work); - } + HANDLE_AUX_WORK(ERTS_SSI_AUX_WORK_ASYNC_READY, + handle_async_ready); + /* ASYNC_READY must be before ASYNC_READY_CLEAN */ + HANDLE_AUX_WORK(ERTS_SSI_AUX_WORK_ASYNC_READY_CLEAN, + handle_async_ready_clean); #endif -#ifdef ERTS_SMP_SCHEDULERS_NEED_TO_CHECK_CHILDREN - if (aux_work & ERTS_SSI_AUX_WORK_CHECK_CHILDREN) { - aux_work = handle_check_children(awdp, aux_work); - ERTS_DBG_CHK_AUX_WORK_VAL(aux_work); - } -#endif - if (aux_work & (ERTS_SSI_AUX_WORK_FIX_ALLOC_LOWER_LIM - | ERTS_SSI_AUX_WORK_FIX_ALLOC_DEALLOC)) { - aux_work = handle_fix_alloc(awdp, aux_work); - ERTS_DBG_CHK_AUX_WORK_VAL(aux_work); - } + #ifdef ERTS_SMP - if (aux_work & ERTS_SSI_AUX_WORK_DD) { - aux_work = handle_delayed_dealloc(awdp, aux_work); - ERTS_DBG_CHK_AUX_WORK_VAL(aux_work); - } - if (aux_work & ERTS_SSI_AUX_WORK_DD_THR_PRGR) { - aux_work = handle_delayed_dealloc_thr_prgr(awdp, aux_work); - ERTS_DBG_CHK_AUX_WORK_VAL(aux_work); - } + HANDLE_AUX_WORK(ERTS_SSI_AUX_WORK_MISC_THR_PRGR, + handle_misc_aux_work_thr_prgr); #endif -#ifdef ERTS_SSI_AUX_WORK_MSEG_CACHE_CHECK - if (aux_work & ERTS_SSI_AUX_WORK_MSEG_CACHE_CHECK) { - aux_work = handle_mseg_cache_check(awdp, aux_work); - ERTS_DBG_CHK_AUX_WORK_VAL(aux_work); - } + /* MISC_THR_PRGR must be before MISC */ + HANDLE_AUX_WORK(ERTS_SSI_AUX_WORK_MISC, + handle_misc_aux_work); + +#ifdef ERTS_SMP_SCHEDULERS_NEED_TO_CHECK_CHILDREN + HANDLE_AUX_WORK(ERTS_SSI_AUX_WORK_CHECK_CHILDREN, + handle_check_children); +#endif + + HANDLE_AUX_WORK(ERTS_SSI_AUX_WORK_SET_TMO, + handle_setup_aux_work_timer); + +#if HAVE_ERTS_MSEG + HANDLE_AUX_WORK(ERTS_SSI_AUX_WORK_MSEG_CACHE_CHECK, + handle_mseg_cache_check); #endif + ERTS_DBG_CHK_AUX_WORK_VAL(aux_work); + return aux_work; + +#undef HANDLE_AUX_WORK + } typedef struct { diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h index 173b7df69d..c23810f15a 100644 --- a/erts/emulator/beam/erl_process.h +++ b/erts/emulator/beam/erl_process.h @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1996-2011. All Rights Reserved. + * Copyright Ericsson AB 1996-2012. 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 @@ -248,25 +248,22 @@ typedef enum { | ERTS_SSI_FLG_WAITING \ | ERTS_SSI_FLG_SUSPENDED) -#define ERTS_SSI_AUX_WORK_SET_TMO (((erts_aint32_t) 1) << 0) -#define ERTS_SSI_AUX_WORK_CHECK_CHILDREN (((erts_aint32_t) 1) << 1) -#define ERTS_SSI_AUX_WORK_MISC (((erts_aint32_t) 1) << 2) -#ifdef ERTS_SMP -#define ERTS_SSI_AUX_WORK_MISC_THR_PRGR (((erts_aint32_t) 1) << 3) -#endif -#define ERTS_SSI_AUX_WORK_FIX_ALLOC_LOWER_LIM (((erts_aint32_t) 1) << 4) -#define ERTS_SSI_AUX_WORK_FIX_ALLOC_DEALLOC (((erts_aint32_t) 1) << 5) -#define ERTS_SSI_AUX_WORK_ASYNC_READY (((erts_aint32_t) 1) << 6) -#define ERTS_SSI_AUX_WORK_ASYNC_READY_CLEAN (((erts_aint32_t) 1) << 7) -#ifdef ERTS_SMP -#define ERTS_SSI_AUX_WORK_DD (((erts_aint32_t) 1) << 8) -#define ERTS_SSI_AUX_WORK_DD_THR_PRGR (((erts_aint32_t) 1) << 9) -#endif -#define ERTS_SSI_AUX_WORK_MSEG_CACHE_CHECK (((erts_aint32_t) 1) << 10) +/* + * Keep ERTS_SSI_AUX_WORK flags in expected frequency order relative + * eachother. Most frequent - lowest bit number. + */ -#if !HAVE_ERTS_MSEG -# undef ERTS_SSI_AUX_WORK_MSEG_CACHE_CHECK -#endif +#define ERTS_SSI_AUX_WORK_DD (((erts_aint32_t) 1) << 0) +#define ERTS_SSI_AUX_WORK_DD_THR_PRGR (((erts_aint32_t) 1) << 1) +#define ERTS_SSI_AUX_WORK_FIX_ALLOC_DEALLOC (((erts_aint32_t) 1) << 2) +#define ERTS_SSI_AUX_WORK_FIX_ALLOC_LOWER_LIM (((erts_aint32_t) 1) << 3) +#define ERTS_SSI_AUX_WORK_ASYNC_READY (((erts_aint32_t) 1) << 4) +#define ERTS_SSI_AUX_WORK_ASYNC_READY_CLEAN (((erts_aint32_t) 1) << 5) +#define ERTS_SSI_AUX_WORK_MISC_THR_PRGR (((erts_aint32_t) 1) << 6) +#define ERTS_SSI_AUX_WORK_MISC (((erts_aint32_t) 1) << 7) +#define ERTS_SSI_AUX_WORK_CHECK_CHILDREN (((erts_aint32_t) 1) << 8) +#define ERTS_SSI_AUX_WORK_SET_TMO (((erts_aint32_t) 1) << 9) +#define ERTS_SSI_AUX_WORK_MSEG_CACHE_CHECK (((erts_aint32_t) 1) << 10) typedef struct ErtsSchedulerSleepInfo_ ErtsSchedulerSleepInfo; @@ -407,6 +404,9 @@ typedef struct { int sched_id; ErtsSchedulerData *esdp; ErtsSchedulerSleepInfo *ssi; +#ifdef ERTS_SMP + ErtsThrPrgrVal current_thr_prgr; +#endif struct { int ix; #ifdef ERTS_SMP diff --git a/erts/emulator/beam/erl_sched_spec_pre_alloc.c b/erts/emulator/beam/erl_sched_spec_pre_alloc.c index a7ccea7403..bff9d246a3 100644 --- a/erts/emulator/beam/erl_sched_spec_pre_alloc.c +++ b/erts/emulator/beam/erl_sched_spec_pre_alloc.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2011. All Rights Reserved. + * Copyright Ericsson AB 2011-2012. 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 @@ -227,7 +227,6 @@ fetch_remote(erts_sspa_chunk_header_t *chdr, int max) ERTS_THR_MEMORY_BARRIER; else { chdr->head.next.unref_end = (erts_sspa_blk_t *) ilast; - ERTS_THR_MEMORY_BARRIER; chdr->head.next.thr_progress = erts_thr_progress_later(); erts_atomic32_set_relb(&chdr->tail.data.um_refc_ix, um_refc_ix); diff --git a/erts/emulator/beam/erl_smp.h b/erts/emulator/beam/erl_smp.h index 63179dfad4..a32e9d9d7c 100644 --- a/erts/emulator/beam/erl_smp.h +++ b/erts/emulator/beam/erl_smp.h @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2005-2011. All Rights Reserved. + * Copyright Ericsson AB 2005-2012. 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 @@ -61,6 +61,11 @@ typedef erts_spinlock_t erts_smp_spinlock_t; typedef erts_rwlock_t erts_smp_rwlock_t; void erts_thr_fatal_error(int, char *); /* implemented in erl_init.c */ +#define ERTS_SMP_MEMORY_BARRIER ERTS_THR_MEMORY_BARRIER +#define ERTS_SMP_WRITE_MEMORY_BARRIER ERTS_THR_WRITE_MEMORY_BARRIER +#define ERTS_SMP_READ_MEMORY_BARRIER ERTS_THR_READ_MEMORY_BARRIER +#define ERTS_SMP_DATA_DEPENDENCY_READ_MEMORY_BARRIER ERTS_THR_DATA_DEPENDENCY_READ_MEMORY_BARRIER + #else /* #ifdef ERTS_SMP */ #define ERTS_SMP_THR_OPTS_DEFAULT_INITER {0} @@ -95,6 +100,11 @@ typedef struct { int gcc_is_buggy; } erts_smp_spinlock_t; typedef struct { int gcc_is_buggy; } erts_smp_rwlock_t; #endif +#define ERTS_SMP_MEMORY_BARRIER +#define ERTS_SMP_WRITE_MEMORY_BARRIER +#define ERTS_SMP_READ_MEMORY_BARRIER +#define ERTS_SMP_DATA_DEPENDENCY_READ_MEMORY_BARRIER + #endif /* #ifdef ERTS_SMP */ ERTS_GLB_INLINE void erts_smp_thr_init(erts_smp_thr_init_data_t *id); @@ -206,13 +216,8 @@ ERTS_GLB_INLINE void erts_smp_thr_sigwait(const sigset_t *set, int *sig); #endif /* #ifdef ERTS_THR_HAVE_SIG_FUNCS */ /* - * Functions implementing atomic operations with with no (nob), - * full (mb), acquire (acqb), release (relb), read (rb), and - * write (wb) memory barriers. - * - * If SMP support has been disabled, they are mapped to functions - * that performs the same operation, but aren't atomic and don't - * imply memory barriers. + * See "Documentation of atomics and memory barriers" at the top + * of erl_threads.h for info on atomics. */ #ifdef ERTS_SMP @@ -239,6 +244,11 @@ ERTS_GLB_INLINE void erts_smp_thr_sigwait(const sigset_t *set, int *sig); #define erts_smp_dw_atomic_read_relb erts_dw_atomic_read_relb #define erts_smp_dw_atomic_cmpxchg_relb erts_dw_atomic_cmpxchg_relb +#define erts_smp_dw_atomic_init_ddrb erts_dw_atomic_init_ddrb +#define erts_smp_dw_atomic_set_ddrb erts_dw_atomic_set_ddrb +#define erts_smp_dw_atomic_read_ddrb erts_dw_atomic_read_ddrb +#define erts_smp_dw_atomic_cmpxchg_ddrb erts_dw_atomic_cmpxchg_ddrb + #define erts_smp_dw_atomic_init_rb erts_dw_atomic_init_rb #define erts_smp_dw_atomic_set_rb erts_dw_atomic_set_rb #define erts_smp_dw_atomic_read_rb erts_dw_atomic_read_rb @@ -307,6 +317,20 @@ ERTS_GLB_INLINE void erts_smp_thr_sigwait(const sigset_t *set, int *sig); #define erts_smp_atomic_xchg_relb erts_atomic_xchg_relb #define erts_smp_atomic_cmpxchg_relb erts_atomic_cmpxchg_relb +#define erts_smp_atomic_init_ddrb erts_atomic_init_ddrb +#define erts_smp_atomic_set_ddrb erts_atomic_set_ddrb +#define erts_smp_atomic_read_ddrb erts_atomic_read_ddrb +#define erts_smp_atomic_inc_read_ddrb erts_atomic_inc_read_ddrb +#define erts_smp_atomic_dec_read_ddrb erts_atomic_dec_read_ddrb +#define erts_smp_atomic_inc_ddrb erts_atomic_inc_ddrb +#define erts_smp_atomic_dec_ddrb erts_atomic_dec_ddrb +#define erts_smp_atomic_add_read_ddrb erts_atomic_add_read_ddrb +#define erts_smp_atomic_add_ddrb erts_atomic_add_ddrb +#define erts_smp_atomic_read_bor_ddrb erts_atomic_read_bor_ddrb +#define erts_smp_atomic_read_band_ddrb erts_atomic_read_band_ddrb +#define erts_smp_atomic_xchg_ddrb erts_atomic_xchg_ddrb +#define erts_smp_atomic_cmpxchg_ddrb erts_atomic_cmpxchg_ddrb + #define erts_smp_atomic_init_rb erts_atomic_init_rb #define erts_smp_atomic_set_rb erts_atomic_set_rb #define erts_smp_atomic_read_rb erts_atomic_read_rb @@ -393,6 +417,20 @@ ERTS_GLB_INLINE void erts_smp_thr_sigwait(const sigset_t *set, int *sig); #define erts_smp_atomic32_xchg_relb erts_atomic32_xchg_relb #define erts_smp_atomic32_cmpxchg_relb erts_atomic32_cmpxchg_relb +#define erts_smp_atomic32_init_ddrb erts_atomic32_init_ddrb +#define erts_smp_atomic32_set_ddrb erts_atomic32_set_ddrb +#define erts_smp_atomic32_read_ddrb erts_atomic32_read_ddrb +#define erts_smp_atomic32_inc_read_ddrb erts_atomic32_inc_read_ddrb +#define erts_smp_atomic32_dec_read_ddrb erts_atomic32_dec_read_ddrb +#define erts_smp_atomic32_inc_ddrb erts_atomic32_inc_ddrb +#define erts_smp_atomic32_dec_ddrb erts_atomic32_dec_ddrb +#define erts_smp_atomic32_add_read_ddrb erts_atomic32_add_read_ddrb +#define erts_smp_atomic32_add_ddrb erts_atomic32_add_ddrb +#define erts_smp_atomic32_read_bor_ddrb erts_atomic32_read_bor_ddrb +#define erts_smp_atomic32_read_band_ddrb erts_atomic32_read_band_ddrb +#define erts_smp_atomic32_xchg_ddrb erts_atomic32_xchg_ddrb +#define erts_smp_atomic32_cmpxchg_ddrb erts_atomic32_cmpxchg_ddrb + #define erts_smp_atomic32_init_rb erts_atomic32_init_rb #define erts_smp_atomic32_set_rb erts_atomic32_set_rb #define erts_smp_atomic32_read_rb erts_atomic32_read_rb @@ -445,6 +483,11 @@ ERTS_GLB_INLINE void erts_smp_thr_sigwait(const sigset_t *set, int *sig); #define erts_smp_dw_atomic_read_relb erts_no_dw_atomic_read #define erts_smp_dw_atomic_cmpxchg_relb erts_no_dw_atomic_cmpxchg +#define erts_smp_dw_atomic_init_ddrb erts_no_dw_atomic_init +#define erts_smp_dw_atomic_set_ddrb erts_no_dw_atomic_set +#define erts_smp_dw_atomic_read_ddrb erts_no_dw_atomic_read +#define erts_smp_dw_atomic_cmpxchg_ddrb erts_no_dw_atomic_cmpxchg + #define erts_smp_dw_atomic_init_rb erts_no_dw_atomic_init #define erts_smp_dw_atomic_set_rb erts_no_dw_atomic_set #define erts_smp_dw_atomic_read_rb erts_no_dw_atomic_read @@ -513,6 +556,20 @@ ERTS_GLB_INLINE void erts_smp_thr_sigwait(const sigset_t *set, int *sig); #define erts_smp_atomic_xchg_relb erts_no_atomic_xchg #define erts_smp_atomic_cmpxchg_relb erts_no_atomic_cmpxchg +#define erts_smp_atomic_init_ddrb erts_no_atomic_set +#define erts_smp_atomic_set_ddrb erts_no_atomic_set +#define erts_smp_atomic_read_ddrb erts_no_atomic_read +#define erts_smp_atomic_inc_read_ddrb erts_no_atomic_inc_read +#define erts_smp_atomic_dec_read_ddrb erts_no_atomic_dec_read +#define erts_smp_atomic_inc_ddrb erts_no_atomic_inc +#define erts_smp_atomic_dec_ddrb erts_no_atomic_dec +#define erts_smp_atomic_add_read_ddrb erts_no_atomic_add_read +#define erts_smp_atomic_add_ddrb erts_no_atomic_add +#define erts_smp_atomic_read_bor_ddrb erts_no_atomic_read_bor +#define erts_smp_atomic_read_band_ddrb erts_no_atomic_read_band +#define erts_smp_atomic_xchg_ddrb erts_no_atomic_xchg +#define erts_smp_atomic_cmpxchg_ddrb erts_no_atomic_cmpxchg + #define erts_smp_atomic_init_rb erts_no_atomic_set #define erts_smp_atomic_set_rb erts_no_atomic_set #define erts_smp_atomic_read_rb erts_no_atomic_read @@ -599,6 +656,20 @@ ERTS_GLB_INLINE void erts_smp_thr_sigwait(const sigset_t *set, int *sig); #define erts_smp_atomic32_xchg_relb erts_no_atomic32_xchg #define erts_smp_atomic32_cmpxchg_relb erts_no_atomic32_cmpxchg +#define erts_smp_atomic32_init_ddrb erts_no_atomic32_set +#define erts_smp_atomic32_set_ddrb erts_no_atomic32_set +#define erts_smp_atomic32_read_ddrb erts_no_atomic32_read +#define erts_smp_atomic32_inc_read_ddrb erts_no_atomic32_inc_read +#define erts_smp_atomic32_dec_read_ddrb erts_no_atomic32_dec_read +#define erts_smp_atomic32_inc_ddrb erts_no_atomic32_inc +#define erts_smp_atomic32_dec_ddrb erts_no_atomic32_dec +#define erts_smp_atomic32_add_read_ddrb erts_no_atomic32_add_read +#define erts_smp_atomic32_add_ddrb erts_no_atomic32_add +#define erts_smp_atomic32_read_bor_ddrb erts_no_atomic32_read_bor +#define erts_smp_atomic32_read_band_ddrb erts_no_atomic32_read_band +#define erts_smp_atomic32_xchg_ddrb erts_no_atomic32_xchg +#define erts_smp_atomic32_cmpxchg_ddrb erts_no_atomic32_cmpxchg + #define erts_smp_atomic32_init_rb erts_no_atomic32_set #define erts_smp_atomic32_set_rb erts_no_atomic32_set #define erts_smp_atomic32_read_rb erts_no_atomic32_read diff --git a/erts/emulator/beam/erl_thr_progress.c b/erts/emulator/beam/erl_thr_progress.c index 75f8209c3b..9ef83746c5 100644 --- a/erts/emulator/beam/erl_thr_progress.c +++ b/erts/emulator/beam/erl_thr_progress.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2011. All Rights Reserved. + * Copyright Ericsson AB 2011-2012. 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 @@ -33,10 +33,11 @@ * This module keeps track of the progress of a set of managed threads. Only * threads that behave well can be allowed to be managed. A managed thread * should update its thread progress frequently. Currently only scheduler - * threads and the aux_thread are managed threads. We typically do not want - * any async threads as managed threads since they cannot guarantee a - * frequent update of thread progress, since they execute user implemented - * driver code. + * threads, the system-message-dispatcher threads, and the aux-thread are + * managed threads. We typically do not want any async threads as managed + * threads since they cannot guarantee a frequent update of thread progress, + * since they execute user implemented driver code that is assumed to be + * time consuming. * * erts_thr_progress_current() returns the global current thread progress * value of managed threads. I.e., the latest progress value that all @@ -112,8 +113,10 @@ * * On 32-bit systems we therefore need a double word atomic. */ - +#undef read_acqb #define read_acqb erts_thr_prgr_read_acqb__ +#undef read_nob +#define read_nob erts_thr_prgr_read_nob__ #ifdef ARCH_64 @@ -129,12 +132,6 @@ set_nob(ERTS_THR_PRGR_ATOMIC *atmc, ErtsThrPrgrVal val) erts_atomic_set_nob(atmc, val); } -static ERTS_INLINE ErtsThrPrgrVal -read_nob(ERTS_THR_PRGR_ATOMIC *atmc) -{ - return (ErtsThrPrgrVal) erts_atomic_read_nob(atmc); -} - static ERTS_INLINE void init_nob(ERTS_THR_PRGR_ATOMIC *atmc, ErtsThrPrgrVal val) { @@ -143,52 +140,44 @@ init_nob(ERTS_THR_PRGR_ATOMIC *atmc, ErtsThrPrgrVal val) #else -#undef dw_sint_to_val -#define dw_sint_to_val erts_thr_prgr_dw_sint_to_val__ +#undef dw_aint_to_val +#define dw_aint_to_val erts_thr_prgr_dw_aint_to_val__ static void -val_to_dw_sint(ethr_dw_sint_t *dw_sint, ErtsThrPrgrVal val) +val_to_dw_aint(erts_dw_aint_t *dw_aint, ErtsThrPrgrVal val) { #ifdef ETHR_SU_DW_NAINT_T__ - dw_sint->dw_sint = (ETHR_SU_DW_NAINT_T__) val; + dw_aint->dw_sint = (ETHR_SU_DW_NAINT_T__) val; #else - dw_sint->sint[ETHR_DW_SINT_LOW_WORD] - = (ethr_sint_t) (val & 0xffffffff); - dw_sint->sint[ETHR_DW_SINT_HIGH_WORD] - = (ethr_sint_t) ((val >> 32) & 0xffffffff); + dw_aint->sint[ERTS_DW_AINT_LOW_WORD] + = (erts_aint_t) (val & 0xffffffff); + dw_aint->sint[ERTS_DW_AINT_HIGH_WORD] + = (erts_aint_t) ((val >> 32) & 0xffffffff); #endif } static ERTS_INLINE void set_mb(ERTS_THR_PRGR_ATOMIC *atmc, ErtsThrPrgrVal val) { - ethr_dw_sint_t dw_sint; - val_to_dw_sint(&dw_sint, val); - erts_dw_atomic_set_mb(atmc, &dw_sint); + erts_dw_aint_t dw_aint; + val_to_dw_aint(&dw_aint, val); + erts_dw_atomic_set_mb(atmc, &dw_aint); } static ERTS_INLINE void set_nob(ERTS_THR_PRGR_ATOMIC *atmc, ErtsThrPrgrVal val) { - ethr_dw_sint_t dw_sint; - val_to_dw_sint(&dw_sint, val); - erts_dw_atomic_set_nob(atmc, &dw_sint); -} - -static ERTS_INLINE ErtsThrPrgrVal -read_nob(ERTS_THR_PRGR_ATOMIC *atmc) -{ - ethr_dw_sint_t dw_sint; - erts_dw_atomic_read_nob(atmc, &dw_sint); - return erts_thr_prgr_dw_sint_to_val__(&dw_sint); + erts_dw_aint_t dw_aint; + val_to_dw_aint(&dw_aint, val); + erts_dw_atomic_set_nob(atmc, &dw_aint); } static ERTS_INLINE void init_nob(ERTS_THR_PRGR_ATOMIC *atmc, ErtsThrPrgrVal val) { - ethr_dw_sint_t dw_sint; - val_to_dw_sint(&dw_sint, val); - erts_dw_atomic_init_nob(atmc, &dw_sint); + erts_dw_aint_t dw_aint; + val_to_dw_aint(&dw_aint, val); + erts_dw_atomic_init_nob(atmc, &dw_aint); } #endif @@ -1222,9 +1211,9 @@ erts_thr_progress_block(void) } void -erts_thr_progress_fatal_error_block(SWord timeout) +erts_thr_progress_fatal_error_block(SWord timeout, + ErtsThrPrgrData *tmp_tpd_bufp) { - ErtsThrPrgrData tpd_buf; ErtsThrPrgrData *tpd = perhaps_thr_prgr_data(NULL); erts_aint32_t bc; SWord time_left = timeout; @@ -1248,7 +1237,7 @@ erts_thr_progress_fatal_error_block(SWord timeout) * since we never complete an unblock after a fatal error * block. */ - tpd = &tpd_buf; + tpd = tmp_tpd_bufp; init_tmp_thr_prgr_data(tpd); } diff --git a/erts/emulator/beam/erl_thr_progress.h b/erts/emulator/beam/erl_thr_progress.h index 68d14174b9..1bbc49993e 100644 --- a/erts/emulator/beam/erl_thr_progress.h +++ b/erts/emulator/beam/erl_thr_progress.h @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2011. All Rights Reserved. + * Copyright Ericsson AB 2011-2012. 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 @@ -44,7 +44,6 @@ #define erts_smp_thr_progress_unblock erts_thr_progress_unblock #define erts_smp_thr_progress_is_blocking erts_thr_progress_is_blocking -void erts_thr_progress_fatal_error_block(SWord timeout); void erts_thr_progress_block(void); void erts_thr_progress_unblock(void); int erts_thr_progress_is_blocking(void); @@ -73,6 +72,10 @@ typedef struct { ErtsThrPrgrVal current; } previous; } ErtsThrPrgrData; + +void erts_thr_progress_fatal_error_block(SWord timeout, + ErtsThrPrgrData *tmp_tpd_bufp); + #endif /* ERTS_SMP */ #endif @@ -86,6 +89,7 @@ typedef struct { #ifdef ERTS_SMP #define ERTS_THR_PRGR_VAL_WAITING (~((ErtsThrPrgrVal) 0)) +#define ERTS_THR_PRGR_INVALID (~((ErtsThrPrgrVal) 0)) extern erts_tsd_key_t erts_thr_prgr_data_key__; @@ -127,14 +131,19 @@ void erts_thr_progress_dbg_print_state(void); #ifdef ARCH_32 #define ERTS_THR_PRGR_ATOMIC erts_dw_atomic_t -ERTS_GLB_INLINE ErtsThrPrgrVal erts_thr_prgr_dw_sint_to_val__(ethr_dw_sint_t *dw_sint); +ERTS_GLB_INLINE ErtsThrPrgrVal erts_thr_prgr_dw_aint_to_val__(erts_dw_aint_t *dw_aint); #endif +ERTS_GLB_INLINE ErtsThrPrgrVal erts_thr_prgr_read_nob__(ERTS_THR_PRGR_ATOMIC *atmc); ERTS_GLB_INLINE ErtsThrPrgrVal erts_thr_prgr_read_acqb__(ERTS_THR_PRGR_ATOMIC *atmc); +ERTS_GLB_INLINE ErtsThrPrgrVal erts_thr_prgr_read_mb__(ERTS_THR_PRGR_ATOMIC *atmc); ERTS_GLB_INLINE int erts_thr_progress_is_managed_thread(void); +ERTS_GLB_INLINE ErtsThrPrgrVal erts_thr_progress_later_than(ErtsThrPrgrVal val); ERTS_GLB_INLINE ErtsThrPrgrVal erts_thr_progress_later(void); ERTS_GLB_INLINE ErtsThrPrgrVal erts_thr_progress_current(void); ERTS_GLB_INLINE int erts_thr_progress_has_passed__(ErtsThrPrgrVal val1, ErtsThrPrgrVal val2); +ERTS_GLB_INLINE int erts_thr_progress_has_reached_this(ErtsThrPrgrVal this, ErtsThrPrgrVal val); +ERTS_GLB_INLINE int erts_thr_progress_cmp(ErtsThrPrgrVal val1, ErtsThrPrgrVal val2); ERTS_GLB_INLINE int erts_thr_progress_has_reached(ErtsThrPrgrVal val); #if ERTS_GLB_INLINE_INCL_FUNC_DEF @@ -142,33 +151,61 @@ ERTS_GLB_INLINE int erts_thr_progress_has_reached(ErtsThrPrgrVal val); #ifdef ARCH_64 ERTS_GLB_INLINE ErtsThrPrgrVal +erts_thr_prgr_read_nob__(ERTS_THR_PRGR_ATOMIC *atmc) +{ + return (ErtsThrPrgrVal) erts_atomic_read_nob(atmc); +} + +ERTS_GLB_INLINE ErtsThrPrgrVal erts_thr_prgr_read_acqb__(ERTS_THR_PRGR_ATOMIC *atmc) { return (ErtsThrPrgrVal) erts_atomic_read_acqb(atmc); } +ERTS_GLB_INLINE ErtsThrPrgrVal +erts_thr_prgr_read_mb__(ERTS_THR_PRGR_ATOMIC *atmc) +{ + return (ErtsThrPrgrVal) erts_atomic_read_mb(atmc); +} + #else /* ARCH_32 */ ERTS_GLB_INLINE ErtsThrPrgrVal -erts_thr_prgr_dw_sint_to_val__(ethr_dw_sint_t *dw_sint) +erts_thr_prgr_dw_aint_to_val__(erts_dw_aint_t *dw_aint) { #ifdef ETHR_SU_DW_NAINT_T__ - return (ErtsThrPrgrVal) dw_sint->dw_sint; + return (ErtsThrPrgrVal) dw_aint->dw_sint; #else ErtsThrPrgrVal res; - res = (ErtsThrPrgrVal) ((Uint32) dw_sint->sint[ETHR_DW_SINT_HIGH_WORD]); + res = (ErtsThrPrgrVal) ((Uint32) dw_aint->sint[ERTS_DW_AINT_HIGH_WORD]); res <<= 32; - res |= (ErtsThrPrgrVal) ((Uint32) dw_sint->sint[ETHR_DW_SINT_LOW_WORD]); + res |= (ErtsThrPrgrVal) ((Uint32) dw_aint->sint[ERTS_DW_AINT_LOW_WORD]); return res; #endif } ERTS_GLB_INLINE ErtsThrPrgrVal +erts_thr_prgr_read_nob__(ERTS_THR_PRGR_ATOMIC *atmc) +{ + erts_dw_aint_t dw_aint; + erts_dw_atomic_read_nob(atmc, &dw_aint); + return erts_thr_prgr_dw_aint_to_val__(&dw_aint); +} + +ERTS_GLB_INLINE ErtsThrPrgrVal erts_thr_prgr_read_acqb__(ERTS_THR_PRGR_ATOMIC *atmc) { - ethr_dw_sint_t dw_sint; - erts_dw_atomic_read_acqb(atmc, &dw_sint); - return erts_thr_prgr_dw_sint_to_val__(&dw_sint); + erts_dw_aint_t dw_aint; + erts_dw_atomic_read_acqb(atmc, &dw_aint); + return erts_thr_prgr_dw_aint_to_val__(&dw_aint); +} + +ERTS_GLB_INLINE ErtsThrPrgrVal +erts_thr_prgr_read_mb__(ERTS_THR_PRGR_ATOMIC *atmc) +{ + erts_dw_aint_t dw_aint; + erts_dw_atomic_read_mb(atmc, &dw_aint); + return erts_thr_prgr_dw_aint_to_val__(&dw_aint); } #endif @@ -181,9 +218,9 @@ erts_thr_progress_is_managed_thread(void) } ERTS_GLB_INLINE ErtsThrPrgrVal -erts_thr_progress_later(void) +erts_thr_progress_later_than(ErtsThrPrgrVal val) { - ErtsThrPrgrVal val = erts_thr_prgr_read_acqb__(&erts_thr_prgr__.current); + ERTS_THR_MEMORY_BARRIER; if (val == (ERTS_THR_PRGR_VAL_WAITING-((ErtsThrPrgrVal)2))) return ((ErtsThrPrgrVal) 0); else if (val == (ERTS_THR_PRGR_VAL_WAITING-((ErtsThrPrgrVal)1))) @@ -193,9 +230,19 @@ erts_thr_progress_later(void) } ERTS_GLB_INLINE ErtsThrPrgrVal +erts_thr_progress_later(void) +{ + ErtsThrPrgrVal val = erts_thr_prgr_read_mb__(&erts_thr_prgr__.current); + return erts_thr_progress_later_than(val); +} + +ERTS_GLB_INLINE ErtsThrPrgrVal erts_thr_progress_current(void) { - return erts_thr_prgr_read_acqb__(&erts_thr_prgr__.current); + if (erts_thr_progress_is_managed_thread()) + return erts_thr_prgr_read_nob__(&erts_thr_prgr__.current); + else + return erts_thr_prgr_read_acqb__(&erts_thr_prgr__.current); } ERTS_GLB_INLINE int @@ -217,13 +264,29 @@ erts_thr_progress_has_passed__(ErtsThrPrgrVal val1, ErtsThrPrgrVal val0) } ERTS_GLB_INLINE int -erts_thr_progress_has_reached(ErtsThrPrgrVal val) +erts_thr_progress_has_reached_this(ErtsThrPrgrVal this, ErtsThrPrgrVal val) +{ + if (this == val) + return 1; + return erts_thr_progress_has_passed__(this, val); +} + +ERTS_GLB_INLINE int +erts_thr_progress_cmp(ErtsThrPrgrVal val1, ErtsThrPrgrVal val2) { - ErtsThrPrgrVal current; - current = erts_thr_prgr_read_acqb__(&erts_thr_prgr__.current); - if (current == val) + if (val1 == val2) + return 0; + if (erts_thr_progress_has_passed__(val1, val2)) return 1; - return erts_thr_progress_has_passed__(current, val); + else + return -1; +} + +ERTS_GLB_INLINE int +erts_thr_progress_has_reached(ErtsThrPrgrVal val) +{ + ErtsThrPrgrVal current = erts_thr_progress_current(); + return erts_thr_progress_has_reached_this(current, val); } #endif diff --git a/erts/emulator/beam/erl_thr_queue.c b/erts/emulator/beam/erl_thr_queue.c index efb8c635d7..70949ece76 100644 --- a/erts/emulator/beam/erl_thr_queue.c +++ b/erts/emulator/beam/erl_thr_queue.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2011. All Rights Reserved. + * Copyright Ericsson AB 2011-2012. 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 @@ -418,10 +418,9 @@ clean(ErtsThrQ_t *q, int max_ops, int do_notify) } if (q->head.unref_end == (ErtsThrQElement_t *) ilast) - ERTS_THR_MEMORY_BARRIER; + ERTS_SMP_MEMORY_BARRIER; else { q->head.next.unref_end = (ErtsThrQElement_t *) ilast; - ERTS_THR_MEMORY_BARRIER; #ifdef ERTS_SMP q->head.next.thr_progress = erts_thr_progress_later(); #endif diff --git a/erts/emulator/beam/erl_threads.h b/erts/emulator/beam/erl_threads.h index 065e7077c0..ee47c98009 100644 --- a/erts/emulator/beam/erl_threads.h +++ b/erts/emulator/beam/erl_threads.h @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2001-2011. All Rights Reserved. + * Copyright Ericsson AB 2001-2012. 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 @@ -25,6 +25,235 @@ #ifndef ERL_THREAD_H__ #define ERL_THREAD_H__ +/* + * --- Documentation of atomics and memory barriers -------------------------- + * + * The following explicit memory barriers exist: + * + * - ERTS_THR_MEMORY_BARRIER + * Full memory barrier. Orders both loads, and stores. No + * load or store is allowed to be reordered over the + * barrier. + * - ERTS_THR_WRITE_MEMORY_BARRIER + * Write barrier. Orders *only* stores. These are not + * allowed to be reordered over the barrier. + * - ERTS_THR_READ_MEMORY_BARRIER + * Read barrier. Orders *only* loads. These are not + * allowed to be reordered over the barrier. + * - ERTS_THR_DATA_DEPENDENCY_READ_MEMORY_BARRIER + * Data dependency read barrier. Orders *only* loads + * according to data dependency across the barrier. + * + * If thread support has been disabled, these barriers will become no-ops. + * + * If the prefix ERTS_THR_ is replaced with ERTS_SMP_, the barriers will + * be enabled only in the SMP enabled runtime system. + * + * --- Atomic operations --- + * + * Atomics operations exist for 32-bit, word size, and double word size + * integers. Function prototypes are listed below. + * + * Each function implementing an atomic operation exist with the following + * implied memory barrier semantics. Not all combinations are useful, but + * all of them exist for simplicity. <B> is suffix in function name: + * + * - <B> - Description + * + * - mb - Full memory barrier. Orders both loads, and + * stores before, and after the atomic operation. + * No load or store is allowed to be reordered + * over the atomic operation. + * - relb - Release barrier. Orders both loads, and + * stores appearing *before* the atomic + * operation. These are not allowed to be + * reordered over the atomic operation. + * - acqb - Acquire barrier. Orders both loads, and stores + * appearing *after* the atomic operation. These + * are not allowed to be reordered over the + * atomic operation. + * - wb - Write barrier. Orders *only* stores. These are + * not allowed to be reordered over the barrier. + * Store in atomic operation is ordered *after* + * the barrier. + * - rb - Read barrier. Orders *only* loads. These are + * not allowed to be reordered over the barrier. + * Load in atomic operation is ordered *before* + * the barrier. + * - ddrb - Data dependency read barrier. Orders *only* + * loads according to data dependency across the + * barrier. Load in atomic operation is ordered + * before the barrier. + * + * If thread support has been disabled, these functions are mapped to + * functions that performs the same operation, but aren't atomic + * and don't imply any memory barriers. + * + * If the atomic operations are prefixed with erts_smp_ instead of only + * erts_ the atomic operations will only be atomic in the SMP enabled + * runtime system, and will be mapped to non-atomic operations without + * memory barriers in the runtime system without SMP support. Atomic + * operations with erts_smp_ prefix should use the atomic types + * erts_smp_atomic32_t, erts_smp_atomic_t, and erts_smp_dw_atomic_t + * instead of erts_atomic32_t, erts_atomic_t, and erts_dw_atomic_t. The + * integer data types erts_aint32_t, erts_aint_t, and erts_dw_atomic_t + * are the same. + * + * --- 32-bit atomic operations --- + * + * The following 32-bit atomic operations exist. <B> should be + * replaced with a supported memory barrier (see above). Note + * that sizeof(erts_atomic32_t) might be larger than 4! + * + * + * Initialize (not necessarily the same as the set operation): + * void erts_atomic32_init_<B>(erts_atomic32_t *atmc, + * erts_aint32_t val); + * + * Set value: + * void erts_atomic32_set_<B>(erts_atomic32_t *atmc, + * erts_aint32_t val); + * + * Read; returns current value: + * erts_aint32_t erts_atomic32_read_<B>(erts_atomic32_t *atmc); + * + * Increment; returns resulting value: + * erts_aint32_t erts_atomic32_inc_read_<B>(erts_atomic32_t *atmc); + * + * Decrement; returns resulting value: + * erts_aint32_t erts_atomic32_dec_read_<B>(erts_atomic32_t *atmc); + * + * Increment: + * void erts_atomic32_inc_<B>(erts_atomic32_t *atmc); + * + * Decrement: + * void erts_atomic32_dec_<B>(erts_atomic32_t *atmc); + * + * Add value; returns resulting value: + * erts_aint32_t erts_atomic32_add_read_<B>(erts_atomic32_t *atmc, + * erts_aint32_t val); + * + * Add value: + * void erts_atomic32_add_<B>(erts_atomic32_t *atmc, + * erts_aint32_t val); + * + * Bitwise-or; returns previous value: + * erts_aint32_t erts_atomic32_read_bor_<B>(erts_atomic32_t *atmc, + * erts_aint32_t val); + * + * Bitwise-and; returns previous value: + * erts_aint32_t erts_atomic32_read_band_<B>(erts_atomic32_t *atmc, + * erts_aint32_t val); + * + * Exchange; returns previous value: + * erts_aint32_t erts_atomic32_xchg_<B>(erts_atomic32_t *atmc, + * erts_aint32_t val); + * + * Compare and exchange; returns previous or current value. If + * returned value equals 'exp' the value was changed to 'new'; + * otherwise not: + * erts_aint32_t erts_atomic32_cmpxchg_<B>(erts_atomic32_t *a, + * erts_aint32_t new, + * erts_aint32_t exp); + * + * --- Word size atomic operations --- + * + * The following word size (same size as sizeof(void *)) atomic + * operations exist. <B> should be replaced with a supported + * memory barrier (see above). Note that sizeof(erts_atomic_t) + * might be larger than sizeof(void *)! + * + * Initialize (not necessarily the same as the set operation): + * void erts_atomic_init_<B>(erts_atomic_t *atmc, + * erts_aint_t val); + * + * Set value; + * void erts_atomic_set_<B>(erts_atomic_t *atmc, + * erts_aint_t val); + * + * Read; returns current value: + * erts_aint_t erts_atomic_read_<B>(erts_atomic_t *atmc); + * + * Increment; returns resulting value: + * erts_aint_t erts_atomic_inc_read_<B>(erts_atomic_t *atmc); + * + * Decrement; returns resulting value: + * erts_aint_t erts_atomic_dec_read_<B>(erts_atomic_t *atmc); + * + * Increment: + * void erts_atomic_inc_<B>(erts_atomic_t *atmc); + * + * Decrement: + * void erts_atomic_dec_<B>(erts_atomic_t *atmc); + * + * Add value; returns resulting value: + * erts_aint_t erts_atomic_add_read_<B>(erts_atomic_t *atmc, + * erts_aint_t val); + * + * Add value: + * void erts_atomic_add_<B>(erts_atomic_t *atmc, + * erts_aint_t val); + * + * Bitwise-or; returns previous value: + * erts_aint_t erts_atomic_read_bor_<B>(erts_atomic_t *atmc, + * erts_aint_t val); + * + * Bitwise-and; returns previous value: + * erts_aint_t erts_atomic_read_band_<B>(erts_atomic_t *atmc, + * erts_aint_t val); + * + * Exchange; returns previous value: + * erts_aint_t erts_atomic_xchg_<B>(erts_atomic_t *atmc, + * erts_aint_t val); + * + * Compare and exchange; returns previous or current value. If + * returned value equals 'exp' the value was changed to 'new'; + * otherwise not: + * erts_aint_t erts_atomic_cmpxchg_<B>(erts_atomic_t *a, + * erts_aint_t new, + * erts_aint_t exp); + * + * --- Double word size atomic operations --- + * + * The following double word atomic operations exist. <B> should be + * replaced with a supported memory barrier (see above). + * + * Note that sizeof(erts_dw_atomic_t) usually is larger than + * 2*sizeof(void *)! + * + * The erts_dw_aint_t data type should be accessed as if it was defined + * like this: + * + * typedef struct { + * erts_aint_t sint[2]; + * } erts_dw_aint_t; + * + * Most significant word is 'sint[ERTS_DW_AINT_HIGH_WORD]' and least + * significant word is 'sint[ERTS_DW_AINT_LOW_WORD]'. + * + * + * Initialize (not necessarily the same as the set operation): + * void erts_dw_atomic_init_<B>(erts_dw_atomic_t *var, + * erts_dw_aint_t *val); + * + * Set; value is written into 'val': + * void erts_dw_atomic_set_<B>(erts_dw_atomic_t *var, + * erts_dw_aint_t *val); + * + * Read; value is written into 'val': + * void erts_dw_atomic_read_<B>(erts_dw_atomic_t *var, + * erts_dw_aint_t *val); + * + * Compare and exchange; returns a value != 0 if exchange was + * made; otherwise 0. 'new_val' contains new value to set. If 'exp_act' + * contains the same value as in memory when the function is called, + * 'new' is written to memory; otherwise, not. If exchange was not + * made, 'exp_act' contains the actual value in memory: + * int erts_dw_atomic_cmpxchg_<B>(erts_dw_atomic_t *var, + * erts_dw_aint_t *new, + * erts_dw_aint_t *exp_act); + */ + #define ERTS_SPIN_BODY ETHR_SPIN_BODY #include "sys.h" @@ -52,6 +281,9 @@ typedef Sint32 erts_no_atomic32_t; #endif #define ERTS_THR_MEMORY_BARRIER ETHR_MEMORY_BARRIER +#define ERTS_THR_WRITE_MEMORY_BARRIER ETHR_WRITE_MEMORY_BARRIER +#define ERTS_THR_READ_MEMORY_BARRIER ETHR_READ_MEMORY_BARRIER +#define ERTS_THR_DATA_DEPENDENCY_READ_MEMORY_BARRIER ETHR_READ_DEPEND_MEMORY_BARRIER #ifdef ERTS_ENABLE_LOCK_COUNT #define erts_mtx_lock(L) erts_mtx_lock_x(L, __FILE__, __LINE__) @@ -113,6 +345,9 @@ typedef ethr_ts_event erts_tse_t; #define erts_aint32_t ethr_sint32_t #define erts_atomic32_t ethr_atomic32_t +#define ERTS_DW_AINT_HIGH_WORD ETHR_DW_SINT_HIGH_WORD +#define ERTS_DW_AINT_LOW_WORD ETHR_DW_SINT_LOW_WORD + /* spinlock */ typedef struct { ethr_spinlock_t slck; @@ -149,6 +384,9 @@ __decl_noreturn void __noreturn erts_thr_fatal_error(int, char *); #else /* #ifdef USE_THREADS */ #define ERTS_THR_MEMORY_BARRIER +#define ERTS_THR_WRITE_MEMORY_BARRIER +#define ERTS_THR_READ_MEMORY_BARRIER +#define ERTS_THR_DATA_DEPENDENCY_READ_MEMORY_BARRIER #define ERTS_THR_OPTS_DEFAULT_INITER 0 typedef int erts_thr_opts_t; @@ -361,18 +599,13 @@ ERTS_GLB_INLINE void erts_thr_sigmask(int how, const sigset_t *set, ERTS_GLB_INLINE void erts_thr_sigwait(const sigset_t *set, int *sig); #endif /* #ifdef HAVE_ETHR_SIG_FUNCS */ +#ifdef USE_THREADS + /* - * Functions implementing atomic operations with with no (nob), - * full (mb), acquire (acqb), release (relb), read (rb), and - * write (wb) memory barriers. - * - * If thread support has been disabled, they are mapped to - * functions that performs the same operation, but aren't atomic - * and don't imply memory barriers. + * See "Documentation of atomics and memory barriers" at the top + * of this file for info on atomics. */ -#ifdef USE_THREADS - /* Double word size atomics */ #define erts_dw_atomic_init_nob ethr_dw_atomic_init @@ -395,6 +628,11 @@ ERTS_GLB_INLINE void erts_thr_sigwait(const sigset_t *set, int *sig); #define erts_dw_atomic_read_relb ethr_dw_atomic_read_relb #define erts_dw_atomic_cmpxchg_relb ethr_dw_atomic_cmpxchg_relb +#define erts_dw_atomic_init_ddrb ethr_dw_atomic_init_ddrb +#define erts_dw_atomic_set_ddrb ethr_dw_atomic_set_ddrb +#define erts_dw_atomic_read_ddrb ethr_dw_atomic_read_ddrb +#define erts_dw_atomic_cmpxchg_ddrb ethr_dw_atomic_cmpxchg_ddrb + #define erts_dw_atomic_init_rb ethr_dw_atomic_init_rb #define erts_dw_atomic_set_rb ethr_dw_atomic_set_rb #define erts_dw_atomic_read_rb ethr_dw_atomic_read_rb @@ -463,6 +701,20 @@ ERTS_GLB_INLINE void erts_thr_sigwait(const sigset_t *set, int *sig); #define erts_atomic_xchg_relb ethr_atomic_xchg_relb #define erts_atomic_cmpxchg_relb ethr_atomic_cmpxchg_relb +#define erts_atomic_init_ddrb ethr_atomic_init_ddrb +#define erts_atomic_set_ddrb ethr_atomic_set_ddrb +#define erts_atomic_read_ddrb ethr_atomic_read_ddrb +#define erts_atomic_inc_read_ddrb ethr_atomic_inc_read_ddrb +#define erts_atomic_dec_read_ddrb ethr_atomic_dec_read_ddrb +#define erts_atomic_inc_ddrb ethr_atomic_inc_ddrb +#define erts_atomic_dec_ddrb ethr_atomic_dec_ddrb +#define erts_atomic_add_read_ddrb ethr_atomic_add_read_ddrb +#define erts_atomic_add_ddrb ethr_atomic_add_ddrb +#define erts_atomic_read_bor_ddrb ethr_atomic_read_bor_ddrb +#define erts_atomic_read_band_ddrb ethr_atomic_read_band_ddrb +#define erts_atomic_xchg_ddrb ethr_atomic_xchg_ddrb +#define erts_atomic_cmpxchg_ddrb ethr_atomic_cmpxchg_ddrb + #define erts_atomic_init_rb ethr_atomic_init_rb #define erts_atomic_set_rb ethr_atomic_set_rb #define erts_atomic_read_rb ethr_atomic_read_rb @@ -549,6 +801,20 @@ ERTS_GLB_INLINE void erts_thr_sigwait(const sigset_t *set, int *sig); #define erts_atomic32_xchg_relb ethr_atomic32_xchg_relb #define erts_atomic32_cmpxchg_relb ethr_atomic32_cmpxchg_relb +#define erts_atomic32_init_ddrb ethr_atomic32_init_ddrb +#define erts_atomic32_set_ddrb ethr_atomic32_set_ddrb +#define erts_atomic32_read_ddrb ethr_atomic32_read_ddrb +#define erts_atomic32_inc_read_ddrb ethr_atomic32_inc_read_ddrb +#define erts_atomic32_dec_read_ddrb ethr_atomic32_dec_read_ddrb +#define erts_atomic32_inc_ddrb ethr_atomic32_inc_ddrb +#define erts_atomic32_dec_ddrb ethr_atomic32_dec_ddrb +#define erts_atomic32_add_read_ddrb ethr_atomic32_add_read_ddrb +#define erts_atomic32_add_ddrb ethr_atomic32_add_ddrb +#define erts_atomic32_read_bor_ddrb ethr_atomic32_read_bor_ddrb +#define erts_atomic32_read_band_ddrb ethr_atomic32_read_band_ddrb +#define erts_atomic32_xchg_ddrb ethr_atomic32_xchg_ddrb +#define erts_atomic32_cmpxchg_ddrb ethr_atomic32_cmpxchg_ddrb + #define erts_atomic32_init_rb ethr_atomic32_init_rb #define erts_atomic32_set_rb ethr_atomic32_set_rb #define erts_atomic32_read_rb ethr_atomic32_read_rb @@ -601,6 +867,11 @@ ERTS_GLB_INLINE void erts_thr_sigwait(const sigset_t *set, int *sig); #define erts_dw_atomic_read_relb erts_no_dw_atomic_read #define erts_dw_atomic_cmpxchg_relb erts_no_dw_atomic_cmpxchg +#define erts_dw_atomic_init_ddrb erts_no_dw_atomic_init +#define erts_dw_atomic_set_ddrb erts_no_dw_atomic_set +#define erts_dw_atomic_read_ddrb erts_no_dw_atomic_read +#define erts_dw_atomic_cmpxchg_ddrb erts_no_dw_atomic_cmpxchg + #define erts_dw_atomic_init_rb erts_no_dw_atomic_init #define erts_dw_atomic_set_rb erts_no_dw_atomic_set #define erts_dw_atomic_read_rb erts_no_dw_atomic_read @@ -669,6 +940,20 @@ ERTS_GLB_INLINE void erts_thr_sigwait(const sigset_t *set, int *sig); #define erts_atomic_xchg_relb erts_no_atomic_xchg #define erts_atomic_cmpxchg_relb erts_no_atomic_cmpxchg +#define erts_atomic_init_ddrb erts_no_atomic_set +#define erts_atomic_set_ddrb erts_no_atomic_set +#define erts_atomic_read_ddrb erts_no_atomic_read +#define erts_atomic_inc_read_ddrb erts_no_atomic_inc_read +#define erts_atomic_dec_read_ddrb erts_no_atomic_dec_read +#define erts_atomic_inc_ddrb erts_no_atomic_inc +#define erts_atomic_dec_ddrb erts_no_atomic_dec +#define erts_atomic_add_read_ddrb erts_no_atomic_add_read +#define erts_atomic_add_ddrb erts_no_atomic_add +#define erts_atomic_read_bor_ddrb erts_no_atomic_read_bor +#define erts_atomic_read_band_ddrb erts_no_atomic_read_band +#define erts_atomic_xchg_ddrb erts_no_atomic_xchg +#define erts_atomic_cmpxchg_ddrb erts_no_atomic_cmpxchg + #define erts_atomic_init_rb erts_no_atomic_set #define erts_atomic_set_rb erts_no_atomic_set #define erts_atomic_read_rb erts_no_atomic_read @@ -755,6 +1040,20 @@ ERTS_GLB_INLINE void erts_thr_sigwait(const sigset_t *set, int *sig); #define erts_atomic32_xchg_relb erts_no_atomic32_xchg #define erts_atomic32_cmpxchg_relb erts_no_atomic32_cmpxchg +#define erts_atomic32_init_ddrb erts_no_atomic32_set +#define erts_atomic32_set_ddrb erts_no_atomic32_set +#define erts_atomic32_read_ddrb erts_no_atomic32_read +#define erts_atomic32_inc_read_ddrb erts_no_atomic32_inc_read +#define erts_atomic32_dec_read_ddrb erts_no_atomic32_dec_read +#define erts_atomic32_inc_ddrb erts_no_atomic32_inc +#define erts_atomic32_dec_ddrb erts_no_atomic32_dec +#define erts_atomic32_add_read_ddrb erts_no_atomic32_add_read +#define erts_atomic32_add_ddrb erts_no_atomic32_add +#define erts_atomic32_read_bor_ddrb erts_no_atomic32_read_bor +#define erts_atomic32_read_band_ddrb erts_no_atomic32_read_band +#define erts_atomic32_xchg_ddrb erts_no_atomic32_xchg +#define erts_atomic32_cmpxchg_ddrb erts_no_atomic32_cmpxchg + #define erts_atomic32_init_rb erts_no_atomic32_set #define erts_atomic32_set_rb erts_no_atomic32_set #define erts_atomic32_read_rb erts_no_atomic32_read diff --git a/erts/include/internal/ethr_atomics.h b/erts/include/internal/ethr_atomics.h index 0f3c26f1df..612894b8c1 100644 --- a/erts/include/internal/ethr_atomics.h +++ b/erts/include/internal/ethr_atomics.h @@ -10,7 +10,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2011. All Rights Reserved. + * Copyright Ericsson AB 2011-2012. 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 @@ -64,12 +64,31 @@ * Appart from a function implementing the atomic operation * with unspecified memory barrier semantics, there are * functions implementing each operation with the following - * memory barrier semantics: - * - rb (read barrier) - * - wb (write barrier) - * - acqb (acquire barrier) - * - relb (release barrier) - * - mb (full memory barrier) + * implied memory barrier semantics: + * - mb - Full memory barrier. Orders both loads, and + * stores before, and after the atomic operation. + * No load or store is allowed to be reordered + * over the atomic operation. + * - relb - Release barrier. Orders both loads, and + * stores appearing *before* the atomic + * operation. These are not allowed to be + * reordered over the atomic operation. + * - acqb - Acquire barrier. Orders both loads, and stores + * appearing *after* the atomic operation. These + * are not allowed to be reordered over the + * atomic operation. + * - wb - Write barrier. Orders *only* stores. These are + * not allowed to be reordered over the barrier. + * Store in atomic operation is ordered *after* + * the barrier. + * - rb - Read barrier. Orders *only* loads. These are + * not allowed to be reordered over the barrier. + * Load in atomic operation is ordered *before* + * the barrier. + * - ddrb - Data dependency read barrier. Orders *only* + * loads according to data dependency across the + * barrier. Load in atomic operation is ordered + * before the barrier. * * We implement all of these operation/barrier * combinations, regardless of whether they are useful @@ -535,24 +554,28 @@ char **ethr_native_su_dw_atomic_ops(void); #ifdef ETHR_NEED_DW_ATMC_PROTOTYPES__ ethr_sint_t *ethr_dw_atomic_addr(ethr_dw_atomic_t *var); int ethr_dw_atomic_cmpxchg(ethr_dw_atomic_t *var, ethr_dw_sint_t *val, ethr_dw_sint_t *old_val); +int ethr_dw_atomic_cmpxchg_ddrb(ethr_dw_atomic_t *var, ethr_dw_sint_t *val, ethr_dw_sint_t *old_val); int ethr_dw_atomic_cmpxchg_rb(ethr_dw_atomic_t *var, ethr_dw_sint_t *val, ethr_dw_sint_t *old_val); int ethr_dw_atomic_cmpxchg_wb(ethr_dw_atomic_t *var, ethr_dw_sint_t *val, ethr_dw_sint_t *old_val); int ethr_dw_atomic_cmpxchg_acqb(ethr_dw_atomic_t *var, ethr_dw_sint_t *val, ethr_dw_sint_t *old_val); int ethr_dw_atomic_cmpxchg_relb(ethr_dw_atomic_t *var, ethr_dw_sint_t *val, ethr_dw_sint_t *old_val); int ethr_dw_atomic_cmpxchg_mb(ethr_dw_atomic_t *var, ethr_dw_sint_t *val, ethr_dw_sint_t *old_val); void ethr_dw_atomic_set(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); +void ethr_dw_atomic_set_ddrb(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); void ethr_dw_atomic_set_rb(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); void ethr_dw_atomic_set_wb(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); void ethr_dw_atomic_set_acqb(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); void ethr_dw_atomic_set_relb(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); void ethr_dw_atomic_set_mb(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); void ethr_dw_atomic_read(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); +void ethr_dw_atomic_read_ddrb(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); void ethr_dw_atomic_read_rb(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); void ethr_dw_atomic_read_wb(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); void ethr_dw_atomic_read_acqb(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); void ethr_dw_atomic_read_relb(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); void ethr_dw_atomic_read_mb(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); void ethr_dw_atomic_init(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); +void ethr_dw_atomic_init_ddrb(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); void ethr_dw_atomic_init_rb(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); void ethr_dw_atomic_init_wb(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); void ethr_dw_atomic_init_acqb(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); @@ -561,24 +584,28 @@ void ethr_dw_atomic_init_mb(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); #if defined(ETHR_RTCHK_USE_NATIVE_DW_ATOMIC_IMPL__) ethr_sint_t *ETHR_DW_ATOMIC_FUNC__(addr)(ethr_dw_atomic_t *var); int ETHR_DW_ATOMIC_FUNC__(cmpxchg)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val, ethr_dw_sint_t *old_val); +int ETHR_DW_ATOMIC_FUNC__(cmpxchg_ddrb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val, ethr_dw_sint_t *old_val); int ETHR_DW_ATOMIC_FUNC__(cmpxchg_rb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val, ethr_dw_sint_t *old_val); int ETHR_DW_ATOMIC_FUNC__(cmpxchg_wb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val, ethr_dw_sint_t *old_val); int ETHR_DW_ATOMIC_FUNC__(cmpxchg_acqb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val, ethr_dw_sint_t *old_val); int ETHR_DW_ATOMIC_FUNC__(cmpxchg_relb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val, ethr_dw_sint_t *old_val); int ETHR_DW_ATOMIC_FUNC__(cmpxchg_mb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val, ethr_dw_sint_t *old_val); void ETHR_DW_ATOMIC_FUNC__(set)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); +void ETHR_DW_ATOMIC_FUNC__(set_ddrb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); void ETHR_DW_ATOMIC_FUNC__(set_rb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); void ETHR_DW_ATOMIC_FUNC__(set_wb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); void ETHR_DW_ATOMIC_FUNC__(set_acqb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); void ETHR_DW_ATOMIC_FUNC__(set_relb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); void ETHR_DW_ATOMIC_FUNC__(set_mb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); void ETHR_DW_ATOMIC_FUNC__(read)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); +void ETHR_DW_ATOMIC_FUNC__(read_ddrb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); void ETHR_DW_ATOMIC_FUNC__(read_rb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); void ETHR_DW_ATOMIC_FUNC__(read_wb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); void ETHR_DW_ATOMIC_FUNC__(read_acqb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); void ETHR_DW_ATOMIC_FUNC__(read_relb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); void ETHR_DW_ATOMIC_FUNC__(read_mb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); void ETHR_DW_ATOMIC_FUNC__(init)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); +void ETHR_DW_ATOMIC_FUNC__(init_ddrb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); void ETHR_DW_ATOMIC_FUNC__(init_rb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); void ETHR_DW_ATOMIC_FUNC__(init_wb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); void ETHR_DW_ATOMIC_FUNC__(init_acqb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val); @@ -1491,6 +1518,15 @@ static ETHR_INLINE int ETHR_DW_ATMC_FUNC__(cmpxchg_mb)(ethr_dw_atomic_t *var, et return res; } +static ETHR_INLINE int ETHR_DW_ATMC_FUNC__(cmpxchg_ddrb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val, ethr_dw_sint_t *old_val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ETHR_DW_ATMC_FUNC__(cmpxchg)(var, val, old_val); +#else + return ETHR_DW_ATMC_FUNC__(cmpxchg_rb)(var, val, old_val); +#endif +} + /* --- set() --- */ @@ -1981,6 +2017,15 @@ static ETHR_INLINE void ETHR_DW_ATMC_FUNC__(set_mb)(ethr_dw_atomic_t *var, ethr_ } +static ETHR_INLINE void ETHR_DW_ATMC_FUNC__(set_ddrb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + ETHR_DW_ATMC_FUNC__(set)(var, val); +#else + ETHR_DW_ATMC_FUNC__(set_rb)(var, val); +#endif +} + /* --- read() --- */ @@ -2309,6 +2354,15 @@ static ETHR_INLINE void ETHR_DW_ATMC_FUNC__(read_mb)(ethr_dw_atomic_t *var, ethr } +static ETHR_INLINE void ETHR_DW_ATMC_FUNC__(read_ddrb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + ETHR_DW_ATMC_FUNC__(read)(var, val); +#else + ETHR_DW_ATMC_FUNC__(read_rb)(var, val); +#endif +} + /* --- init() --- */ @@ -2607,6 +2661,15 @@ static ETHR_INLINE void ETHR_DW_ATMC_FUNC__(init_mb)(ethr_dw_atomic_t *var, ethr } +static ETHR_INLINE void ETHR_DW_ATMC_FUNC__(init_ddrb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + ETHR_DW_ATMC_FUNC__(init)(var, val); +#else + ETHR_DW_ATMC_FUNC__(init_rb)(var, val); +#endif +} + #endif /* ETHR_DW_ATMC_INLINE__ */ @@ -2616,78 +2679,91 @@ static ETHR_INLINE void ETHR_DW_ATMC_FUNC__(init_mb)(ethr_dw_atomic_t *var, ethr #ifdef ETHR_NEED_ATMC_PROTOTYPES__ ethr_sint_t *ethr_atomic_addr(ethr_atomic_t *var); ethr_sint_t ethr_atomic_cmpxchg(ethr_atomic_t *var, ethr_sint_t val, ethr_sint_t old_val); +ethr_sint_t ethr_atomic_cmpxchg_ddrb(ethr_atomic_t *var, ethr_sint_t val, ethr_sint_t old_val); ethr_sint_t ethr_atomic_cmpxchg_rb(ethr_atomic_t *var, ethr_sint_t val, ethr_sint_t old_val); ethr_sint_t ethr_atomic_cmpxchg_wb(ethr_atomic_t *var, ethr_sint_t val, ethr_sint_t old_val); ethr_sint_t ethr_atomic_cmpxchg_acqb(ethr_atomic_t *var, ethr_sint_t val, ethr_sint_t old_val); ethr_sint_t ethr_atomic_cmpxchg_relb(ethr_atomic_t *var, ethr_sint_t val, ethr_sint_t old_val); ethr_sint_t ethr_atomic_cmpxchg_mb(ethr_atomic_t *var, ethr_sint_t val, ethr_sint_t old_val); ethr_sint_t ethr_atomic_xchg(ethr_atomic_t *var, ethr_sint_t val); +ethr_sint_t ethr_atomic_xchg_ddrb(ethr_atomic_t *var, ethr_sint_t val); ethr_sint_t ethr_atomic_xchg_rb(ethr_atomic_t *var, ethr_sint_t val); ethr_sint_t ethr_atomic_xchg_wb(ethr_atomic_t *var, ethr_sint_t val); ethr_sint_t ethr_atomic_xchg_acqb(ethr_atomic_t *var, ethr_sint_t val); ethr_sint_t ethr_atomic_xchg_relb(ethr_atomic_t *var, ethr_sint_t val); ethr_sint_t ethr_atomic_xchg_mb(ethr_atomic_t *var, ethr_sint_t val); void ethr_atomic_set(ethr_atomic_t *var, ethr_sint_t val); +void ethr_atomic_set_ddrb(ethr_atomic_t *var, ethr_sint_t val); void ethr_atomic_set_rb(ethr_atomic_t *var, ethr_sint_t val); void ethr_atomic_set_wb(ethr_atomic_t *var, ethr_sint_t val); void ethr_atomic_set_acqb(ethr_atomic_t *var, ethr_sint_t val); void ethr_atomic_set_relb(ethr_atomic_t *var, ethr_sint_t val); void ethr_atomic_set_mb(ethr_atomic_t *var, ethr_sint_t val); void ethr_atomic_init(ethr_atomic_t *var, ethr_sint_t val); +void ethr_atomic_init_ddrb(ethr_atomic_t *var, ethr_sint_t val); void ethr_atomic_init_rb(ethr_atomic_t *var, ethr_sint_t val); void ethr_atomic_init_wb(ethr_atomic_t *var, ethr_sint_t val); void ethr_atomic_init_acqb(ethr_atomic_t *var, ethr_sint_t val); void ethr_atomic_init_relb(ethr_atomic_t *var, ethr_sint_t val); void ethr_atomic_init_mb(ethr_atomic_t *var, ethr_sint_t val); ethr_sint_t ethr_atomic_add_read(ethr_atomic_t *var, ethr_sint_t val); +ethr_sint_t ethr_atomic_add_read_ddrb(ethr_atomic_t *var, ethr_sint_t val); ethr_sint_t ethr_atomic_add_read_rb(ethr_atomic_t *var, ethr_sint_t val); ethr_sint_t ethr_atomic_add_read_wb(ethr_atomic_t *var, ethr_sint_t val); ethr_sint_t ethr_atomic_add_read_acqb(ethr_atomic_t *var, ethr_sint_t val); ethr_sint_t ethr_atomic_add_read_relb(ethr_atomic_t *var, ethr_sint_t val); ethr_sint_t ethr_atomic_add_read_mb(ethr_atomic_t *var, ethr_sint_t val); ethr_sint_t ethr_atomic_read(ethr_atomic_t *var); +ethr_sint_t ethr_atomic_read_ddrb(ethr_atomic_t *var); ethr_sint_t ethr_atomic_read_rb(ethr_atomic_t *var); ethr_sint_t ethr_atomic_read_wb(ethr_atomic_t *var); ethr_sint_t ethr_atomic_read_acqb(ethr_atomic_t *var); ethr_sint_t ethr_atomic_read_relb(ethr_atomic_t *var); ethr_sint_t ethr_atomic_read_mb(ethr_atomic_t *var); ethr_sint_t ethr_atomic_inc_read(ethr_atomic_t *var); +ethr_sint_t ethr_atomic_inc_read_ddrb(ethr_atomic_t *var); ethr_sint_t ethr_atomic_inc_read_rb(ethr_atomic_t *var); ethr_sint_t ethr_atomic_inc_read_wb(ethr_atomic_t *var); ethr_sint_t ethr_atomic_inc_read_acqb(ethr_atomic_t *var); ethr_sint_t ethr_atomic_inc_read_relb(ethr_atomic_t *var); ethr_sint_t ethr_atomic_inc_read_mb(ethr_atomic_t *var); ethr_sint_t ethr_atomic_dec_read(ethr_atomic_t *var); +ethr_sint_t ethr_atomic_dec_read_ddrb(ethr_atomic_t *var); ethr_sint_t ethr_atomic_dec_read_rb(ethr_atomic_t *var); ethr_sint_t ethr_atomic_dec_read_wb(ethr_atomic_t *var); ethr_sint_t ethr_atomic_dec_read_acqb(ethr_atomic_t *var); ethr_sint_t ethr_atomic_dec_read_relb(ethr_atomic_t *var); ethr_sint_t ethr_atomic_dec_read_mb(ethr_atomic_t *var); void ethr_atomic_add(ethr_atomic_t *var, ethr_sint_t val); +void ethr_atomic_add_ddrb(ethr_atomic_t *var, ethr_sint_t val); void ethr_atomic_add_rb(ethr_atomic_t *var, ethr_sint_t val); void ethr_atomic_add_wb(ethr_atomic_t *var, ethr_sint_t val); void ethr_atomic_add_acqb(ethr_atomic_t *var, ethr_sint_t val); void ethr_atomic_add_relb(ethr_atomic_t *var, ethr_sint_t val); void ethr_atomic_add_mb(ethr_atomic_t *var, ethr_sint_t val); void ethr_atomic_inc(ethr_atomic_t *var); +void ethr_atomic_inc_ddrb(ethr_atomic_t *var); void ethr_atomic_inc_rb(ethr_atomic_t *var); void ethr_atomic_inc_wb(ethr_atomic_t *var); void ethr_atomic_inc_acqb(ethr_atomic_t *var); void ethr_atomic_inc_relb(ethr_atomic_t *var); void ethr_atomic_inc_mb(ethr_atomic_t *var); void ethr_atomic_dec(ethr_atomic_t *var); +void ethr_atomic_dec_ddrb(ethr_atomic_t *var); void ethr_atomic_dec_rb(ethr_atomic_t *var); void ethr_atomic_dec_wb(ethr_atomic_t *var); void ethr_atomic_dec_acqb(ethr_atomic_t *var); void ethr_atomic_dec_relb(ethr_atomic_t *var); void ethr_atomic_dec_mb(ethr_atomic_t *var); ethr_sint_t ethr_atomic_read_band(ethr_atomic_t *var, ethr_sint_t val); +ethr_sint_t ethr_atomic_read_band_ddrb(ethr_atomic_t *var, ethr_sint_t val); ethr_sint_t ethr_atomic_read_band_rb(ethr_atomic_t *var, ethr_sint_t val); ethr_sint_t ethr_atomic_read_band_wb(ethr_atomic_t *var, ethr_sint_t val); ethr_sint_t ethr_atomic_read_band_acqb(ethr_atomic_t *var, ethr_sint_t val); ethr_sint_t ethr_atomic_read_band_relb(ethr_atomic_t *var, ethr_sint_t val); ethr_sint_t ethr_atomic_read_band_mb(ethr_atomic_t *var, ethr_sint_t val); ethr_sint_t ethr_atomic_read_bor(ethr_atomic_t *var, ethr_sint_t val); +ethr_sint_t ethr_atomic_read_bor_ddrb(ethr_atomic_t *var, ethr_sint_t val); ethr_sint_t ethr_atomic_read_bor_rb(ethr_atomic_t *var, ethr_sint_t val); ethr_sint_t ethr_atomic_read_bor_wb(ethr_atomic_t *var, ethr_sint_t val); ethr_sint_t ethr_atomic_read_bor_acqb(ethr_atomic_t *var, ethr_sint_t val); @@ -3551,6 +3627,15 @@ static ETHR_INLINE ethr_sint_t ETHR_ATMC_FUNC__(cmpxchg_mb)(ethr_atomic_t *var, return res; } +static ETHR_INLINE ethr_sint_t ETHR_ATMC_FUNC__(cmpxchg_ddrb)(ethr_atomic_t *var, ethr_sint_t val, ethr_sint_t old_val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ETHR_ATMC_FUNC__(cmpxchg)(var, val, old_val); +#else + return ETHR_ATMC_FUNC__(cmpxchg_rb)(var, val, old_val); +#endif +} + /* --- xchg() --- */ @@ -3801,6 +3886,15 @@ static ETHR_INLINE ethr_sint_t ETHR_ATMC_FUNC__(xchg_mb)(ethr_atomic_t *var, eth return res; } +static ETHR_INLINE ethr_sint_t ETHR_ATMC_FUNC__(xchg_ddrb)(ethr_atomic_t *var, ethr_sint_t val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ETHR_ATMC_FUNC__(xchg)(var, val); +#else + return ETHR_ATMC_FUNC__(xchg_rb)(var, val); +#endif +} + /* --- set() --- */ @@ -3943,6 +4037,15 @@ static ETHR_INLINE void ETHR_ATMC_FUNC__(set_mb)(ethr_atomic_t *var, ethr_sint_t #endif } +static ETHR_INLINE void ETHR_ATMC_FUNC__(set_ddrb)(ethr_atomic_t *var, ethr_sint_t val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + ETHR_ATMC_FUNC__(set)(var, val); +#else + ETHR_ATMC_FUNC__(set_rb)(var, val); +#endif +} + /* --- init() --- */ @@ -4085,6 +4188,15 @@ static ETHR_INLINE void ETHR_ATMC_FUNC__(init_mb)(ethr_atomic_t *var, ethr_sint_ #endif } +static ETHR_INLINE void ETHR_ATMC_FUNC__(init_ddrb)(ethr_atomic_t *var, ethr_sint_t val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + ETHR_ATMC_FUNC__(init)(var, val); +#else + ETHR_ATMC_FUNC__(init_rb)(var, val); +#endif +} + /* --- add_read() --- */ @@ -4335,6 +4447,15 @@ static ETHR_INLINE ethr_sint_t ETHR_ATMC_FUNC__(add_read_mb)(ethr_atomic_t *var, return res; } +static ETHR_INLINE ethr_sint_t ETHR_ATMC_FUNC__(add_read_ddrb)(ethr_atomic_t *var, ethr_sint_t val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ETHR_ATMC_FUNC__(add_read)(var, val); +#else + return ETHR_ATMC_FUNC__(add_read_rb)(var, val); +#endif +} + /* --- read() --- */ @@ -4489,6 +4610,15 @@ static ETHR_INLINE ethr_sint_t ETHR_ATMC_FUNC__(read_mb)(ethr_atomic_t *var) return res; } +static ETHR_INLINE ethr_sint_t ETHR_ATMC_FUNC__(read_ddrb)(ethr_atomic_t *var) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ETHR_ATMC_FUNC__(read)(var); +#else + return ETHR_ATMC_FUNC__(read_rb)(var); +#endif +} + /* --- inc_read() --- */ @@ -4643,6 +4773,15 @@ static ETHR_INLINE ethr_sint_t ETHR_ATMC_FUNC__(inc_read_mb)(ethr_atomic_t *var) return res; } +static ETHR_INLINE ethr_sint_t ETHR_ATMC_FUNC__(inc_read_ddrb)(ethr_atomic_t *var) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ETHR_ATMC_FUNC__(inc_read)(var); +#else + return ETHR_ATMC_FUNC__(inc_read_rb)(var); +#endif +} + /* --- dec_read() --- */ @@ -4797,6 +4936,15 @@ static ETHR_INLINE ethr_sint_t ETHR_ATMC_FUNC__(dec_read_mb)(ethr_atomic_t *var) return res; } +static ETHR_INLINE ethr_sint_t ETHR_ATMC_FUNC__(dec_read_ddrb)(ethr_atomic_t *var) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ETHR_ATMC_FUNC__(dec_read)(var); +#else + return ETHR_ATMC_FUNC__(dec_read_rb)(var); +#endif +} + /* --- add() --- */ @@ -4939,6 +5087,15 @@ static ETHR_INLINE void ETHR_ATMC_FUNC__(add_mb)(ethr_atomic_t *var, ethr_sint_t #endif } +static ETHR_INLINE void ETHR_ATMC_FUNC__(add_ddrb)(ethr_atomic_t *var, ethr_sint_t val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + ETHR_ATMC_FUNC__(add)(var, val); +#else + ETHR_ATMC_FUNC__(add_rb)(var, val); +#endif +} + /* --- inc() --- */ @@ -5081,6 +5238,15 @@ static ETHR_INLINE void ETHR_ATMC_FUNC__(inc_mb)(ethr_atomic_t *var) #endif } +static ETHR_INLINE void ETHR_ATMC_FUNC__(inc_ddrb)(ethr_atomic_t *var) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + ETHR_ATMC_FUNC__(inc)(var); +#else + ETHR_ATMC_FUNC__(inc_rb)(var); +#endif +} + /* --- dec() --- */ @@ -5223,6 +5389,15 @@ static ETHR_INLINE void ETHR_ATMC_FUNC__(dec_mb)(ethr_atomic_t *var) #endif } +static ETHR_INLINE void ETHR_ATMC_FUNC__(dec_ddrb)(ethr_atomic_t *var) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + ETHR_ATMC_FUNC__(dec)(var); +#else + ETHR_ATMC_FUNC__(dec_rb)(var); +#endif +} + /* --- read_band() --- */ @@ -5473,6 +5648,15 @@ static ETHR_INLINE ethr_sint_t ETHR_ATMC_FUNC__(read_band_mb)(ethr_atomic_t *var return res; } +static ETHR_INLINE ethr_sint_t ETHR_ATMC_FUNC__(read_band_ddrb)(ethr_atomic_t *var, ethr_sint_t val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ETHR_ATMC_FUNC__(read_band)(var, val); +#else + return ETHR_ATMC_FUNC__(read_band_rb)(var, val); +#endif +} + /* --- read_bor() --- */ @@ -5723,6 +5907,15 @@ static ETHR_INLINE ethr_sint_t ETHR_ATMC_FUNC__(read_bor_mb)(ethr_atomic_t *var, return res; } +static ETHR_INLINE ethr_sint_t ETHR_ATMC_FUNC__(read_bor_ddrb)(ethr_atomic_t *var, ethr_sint_t val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ETHR_ATMC_FUNC__(read_bor)(var, val); +#else + return ETHR_ATMC_FUNC__(read_bor_rb)(var, val); +#endif +} + #endif /* ETHR_ATMC_INLINE__ */ @@ -5732,78 +5925,91 @@ static ETHR_INLINE ethr_sint_t ETHR_ATMC_FUNC__(read_bor_mb)(ethr_atomic_t *var, #ifdef ETHR_NEED_ATMC32_PROTOTYPES__ ethr_sint32_t *ethr_atomic32_addr(ethr_atomic32_t *var); ethr_sint32_t ethr_atomic32_cmpxchg(ethr_atomic32_t *var, ethr_sint32_t val, ethr_sint32_t old_val); +ethr_sint32_t ethr_atomic32_cmpxchg_ddrb(ethr_atomic32_t *var, ethr_sint32_t val, ethr_sint32_t old_val); ethr_sint32_t ethr_atomic32_cmpxchg_rb(ethr_atomic32_t *var, ethr_sint32_t val, ethr_sint32_t old_val); ethr_sint32_t ethr_atomic32_cmpxchg_wb(ethr_atomic32_t *var, ethr_sint32_t val, ethr_sint32_t old_val); ethr_sint32_t ethr_atomic32_cmpxchg_acqb(ethr_atomic32_t *var, ethr_sint32_t val, ethr_sint32_t old_val); ethr_sint32_t ethr_atomic32_cmpxchg_relb(ethr_atomic32_t *var, ethr_sint32_t val, ethr_sint32_t old_val); ethr_sint32_t ethr_atomic32_cmpxchg_mb(ethr_atomic32_t *var, ethr_sint32_t val, ethr_sint32_t old_val); ethr_sint32_t ethr_atomic32_xchg(ethr_atomic32_t *var, ethr_sint32_t val); +ethr_sint32_t ethr_atomic32_xchg_ddrb(ethr_atomic32_t *var, ethr_sint32_t val); ethr_sint32_t ethr_atomic32_xchg_rb(ethr_atomic32_t *var, ethr_sint32_t val); ethr_sint32_t ethr_atomic32_xchg_wb(ethr_atomic32_t *var, ethr_sint32_t val); ethr_sint32_t ethr_atomic32_xchg_acqb(ethr_atomic32_t *var, ethr_sint32_t val); ethr_sint32_t ethr_atomic32_xchg_relb(ethr_atomic32_t *var, ethr_sint32_t val); ethr_sint32_t ethr_atomic32_xchg_mb(ethr_atomic32_t *var, ethr_sint32_t val); void ethr_atomic32_set(ethr_atomic32_t *var, ethr_sint32_t val); +void ethr_atomic32_set_ddrb(ethr_atomic32_t *var, ethr_sint32_t val); void ethr_atomic32_set_rb(ethr_atomic32_t *var, ethr_sint32_t val); void ethr_atomic32_set_wb(ethr_atomic32_t *var, ethr_sint32_t val); void ethr_atomic32_set_acqb(ethr_atomic32_t *var, ethr_sint32_t val); void ethr_atomic32_set_relb(ethr_atomic32_t *var, ethr_sint32_t val); void ethr_atomic32_set_mb(ethr_atomic32_t *var, ethr_sint32_t val); void ethr_atomic32_init(ethr_atomic32_t *var, ethr_sint32_t val); +void ethr_atomic32_init_ddrb(ethr_atomic32_t *var, ethr_sint32_t val); void ethr_atomic32_init_rb(ethr_atomic32_t *var, ethr_sint32_t val); void ethr_atomic32_init_wb(ethr_atomic32_t *var, ethr_sint32_t val); void ethr_atomic32_init_acqb(ethr_atomic32_t *var, ethr_sint32_t val); void ethr_atomic32_init_relb(ethr_atomic32_t *var, ethr_sint32_t val); void ethr_atomic32_init_mb(ethr_atomic32_t *var, ethr_sint32_t val); ethr_sint32_t ethr_atomic32_add_read(ethr_atomic32_t *var, ethr_sint32_t val); +ethr_sint32_t ethr_atomic32_add_read_ddrb(ethr_atomic32_t *var, ethr_sint32_t val); ethr_sint32_t ethr_atomic32_add_read_rb(ethr_atomic32_t *var, ethr_sint32_t val); ethr_sint32_t ethr_atomic32_add_read_wb(ethr_atomic32_t *var, ethr_sint32_t val); ethr_sint32_t ethr_atomic32_add_read_acqb(ethr_atomic32_t *var, ethr_sint32_t val); ethr_sint32_t ethr_atomic32_add_read_relb(ethr_atomic32_t *var, ethr_sint32_t val); ethr_sint32_t ethr_atomic32_add_read_mb(ethr_atomic32_t *var, ethr_sint32_t val); ethr_sint32_t ethr_atomic32_read(ethr_atomic32_t *var); +ethr_sint32_t ethr_atomic32_read_ddrb(ethr_atomic32_t *var); ethr_sint32_t ethr_atomic32_read_rb(ethr_atomic32_t *var); ethr_sint32_t ethr_atomic32_read_wb(ethr_atomic32_t *var); ethr_sint32_t ethr_atomic32_read_acqb(ethr_atomic32_t *var); ethr_sint32_t ethr_atomic32_read_relb(ethr_atomic32_t *var); ethr_sint32_t ethr_atomic32_read_mb(ethr_atomic32_t *var); ethr_sint32_t ethr_atomic32_inc_read(ethr_atomic32_t *var); +ethr_sint32_t ethr_atomic32_inc_read_ddrb(ethr_atomic32_t *var); ethr_sint32_t ethr_atomic32_inc_read_rb(ethr_atomic32_t *var); ethr_sint32_t ethr_atomic32_inc_read_wb(ethr_atomic32_t *var); ethr_sint32_t ethr_atomic32_inc_read_acqb(ethr_atomic32_t *var); ethr_sint32_t ethr_atomic32_inc_read_relb(ethr_atomic32_t *var); ethr_sint32_t ethr_atomic32_inc_read_mb(ethr_atomic32_t *var); ethr_sint32_t ethr_atomic32_dec_read(ethr_atomic32_t *var); +ethr_sint32_t ethr_atomic32_dec_read_ddrb(ethr_atomic32_t *var); ethr_sint32_t ethr_atomic32_dec_read_rb(ethr_atomic32_t *var); ethr_sint32_t ethr_atomic32_dec_read_wb(ethr_atomic32_t *var); ethr_sint32_t ethr_atomic32_dec_read_acqb(ethr_atomic32_t *var); ethr_sint32_t ethr_atomic32_dec_read_relb(ethr_atomic32_t *var); ethr_sint32_t ethr_atomic32_dec_read_mb(ethr_atomic32_t *var); void ethr_atomic32_add(ethr_atomic32_t *var, ethr_sint32_t val); +void ethr_atomic32_add_ddrb(ethr_atomic32_t *var, ethr_sint32_t val); void ethr_atomic32_add_rb(ethr_atomic32_t *var, ethr_sint32_t val); void ethr_atomic32_add_wb(ethr_atomic32_t *var, ethr_sint32_t val); void ethr_atomic32_add_acqb(ethr_atomic32_t *var, ethr_sint32_t val); void ethr_atomic32_add_relb(ethr_atomic32_t *var, ethr_sint32_t val); void ethr_atomic32_add_mb(ethr_atomic32_t *var, ethr_sint32_t val); void ethr_atomic32_inc(ethr_atomic32_t *var); +void ethr_atomic32_inc_ddrb(ethr_atomic32_t *var); void ethr_atomic32_inc_rb(ethr_atomic32_t *var); void ethr_atomic32_inc_wb(ethr_atomic32_t *var); void ethr_atomic32_inc_acqb(ethr_atomic32_t *var); void ethr_atomic32_inc_relb(ethr_atomic32_t *var); void ethr_atomic32_inc_mb(ethr_atomic32_t *var); void ethr_atomic32_dec(ethr_atomic32_t *var); +void ethr_atomic32_dec_ddrb(ethr_atomic32_t *var); void ethr_atomic32_dec_rb(ethr_atomic32_t *var); void ethr_atomic32_dec_wb(ethr_atomic32_t *var); void ethr_atomic32_dec_acqb(ethr_atomic32_t *var); void ethr_atomic32_dec_relb(ethr_atomic32_t *var); void ethr_atomic32_dec_mb(ethr_atomic32_t *var); ethr_sint32_t ethr_atomic32_read_band(ethr_atomic32_t *var, ethr_sint32_t val); +ethr_sint32_t ethr_atomic32_read_band_ddrb(ethr_atomic32_t *var, ethr_sint32_t val); ethr_sint32_t ethr_atomic32_read_band_rb(ethr_atomic32_t *var, ethr_sint32_t val); ethr_sint32_t ethr_atomic32_read_band_wb(ethr_atomic32_t *var, ethr_sint32_t val); ethr_sint32_t ethr_atomic32_read_band_acqb(ethr_atomic32_t *var, ethr_sint32_t val); ethr_sint32_t ethr_atomic32_read_band_relb(ethr_atomic32_t *var, ethr_sint32_t val); ethr_sint32_t ethr_atomic32_read_band_mb(ethr_atomic32_t *var, ethr_sint32_t val); ethr_sint32_t ethr_atomic32_read_bor(ethr_atomic32_t *var, ethr_sint32_t val); +ethr_sint32_t ethr_atomic32_read_bor_ddrb(ethr_atomic32_t *var, ethr_sint32_t val); ethr_sint32_t ethr_atomic32_read_bor_rb(ethr_atomic32_t *var, ethr_sint32_t val); ethr_sint32_t ethr_atomic32_read_bor_wb(ethr_atomic32_t *var, ethr_sint32_t val); ethr_sint32_t ethr_atomic32_read_bor_acqb(ethr_atomic32_t *var, ethr_sint32_t val); @@ -6667,6 +6873,15 @@ static ETHR_INLINE ethr_sint32_t ETHR_ATMC32_FUNC__(cmpxchg_mb)(ethr_atomic32_t return res; } +static ETHR_INLINE ethr_sint32_t ETHR_ATMC32_FUNC__(cmpxchg_ddrb)(ethr_atomic32_t *var, ethr_sint32_t val, ethr_sint32_t old_val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ETHR_ATMC32_FUNC__(cmpxchg)(var, val, old_val); +#else + return ETHR_ATMC32_FUNC__(cmpxchg_rb)(var, val, old_val); +#endif +} + /* --- xchg() --- */ @@ -6917,6 +7132,15 @@ static ETHR_INLINE ethr_sint32_t ETHR_ATMC32_FUNC__(xchg_mb)(ethr_atomic32_t *va return res; } +static ETHR_INLINE ethr_sint32_t ETHR_ATMC32_FUNC__(xchg_ddrb)(ethr_atomic32_t *var, ethr_sint32_t val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ETHR_ATMC32_FUNC__(xchg)(var, val); +#else + return ETHR_ATMC32_FUNC__(xchg_rb)(var, val); +#endif +} + /* --- set() --- */ @@ -7059,6 +7283,15 @@ static ETHR_INLINE void ETHR_ATMC32_FUNC__(set_mb)(ethr_atomic32_t *var, ethr_si #endif } +static ETHR_INLINE void ETHR_ATMC32_FUNC__(set_ddrb)(ethr_atomic32_t *var, ethr_sint32_t val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + ETHR_ATMC32_FUNC__(set)(var, val); +#else + ETHR_ATMC32_FUNC__(set_rb)(var, val); +#endif +} + /* --- init() --- */ @@ -7201,6 +7434,15 @@ static ETHR_INLINE void ETHR_ATMC32_FUNC__(init_mb)(ethr_atomic32_t *var, ethr_s #endif } +static ETHR_INLINE void ETHR_ATMC32_FUNC__(init_ddrb)(ethr_atomic32_t *var, ethr_sint32_t val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + ETHR_ATMC32_FUNC__(init)(var, val); +#else + ETHR_ATMC32_FUNC__(init_rb)(var, val); +#endif +} + /* --- add_read() --- */ @@ -7451,6 +7693,15 @@ static ETHR_INLINE ethr_sint32_t ETHR_ATMC32_FUNC__(add_read_mb)(ethr_atomic32_t return res; } +static ETHR_INLINE ethr_sint32_t ETHR_ATMC32_FUNC__(add_read_ddrb)(ethr_atomic32_t *var, ethr_sint32_t val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ETHR_ATMC32_FUNC__(add_read)(var, val); +#else + return ETHR_ATMC32_FUNC__(add_read_rb)(var, val); +#endif +} + /* --- read() --- */ @@ -7605,6 +7856,15 @@ static ETHR_INLINE ethr_sint32_t ETHR_ATMC32_FUNC__(read_mb)(ethr_atomic32_t *va return res; } +static ETHR_INLINE ethr_sint32_t ETHR_ATMC32_FUNC__(read_ddrb)(ethr_atomic32_t *var) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ETHR_ATMC32_FUNC__(read)(var); +#else + return ETHR_ATMC32_FUNC__(read_rb)(var); +#endif +} + /* --- inc_read() --- */ @@ -7759,6 +8019,15 @@ static ETHR_INLINE ethr_sint32_t ETHR_ATMC32_FUNC__(inc_read_mb)(ethr_atomic32_t return res; } +static ETHR_INLINE ethr_sint32_t ETHR_ATMC32_FUNC__(inc_read_ddrb)(ethr_atomic32_t *var) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ETHR_ATMC32_FUNC__(inc_read)(var); +#else + return ETHR_ATMC32_FUNC__(inc_read_rb)(var); +#endif +} + /* --- dec_read() --- */ @@ -7913,6 +8182,15 @@ static ETHR_INLINE ethr_sint32_t ETHR_ATMC32_FUNC__(dec_read_mb)(ethr_atomic32_t return res; } +static ETHR_INLINE ethr_sint32_t ETHR_ATMC32_FUNC__(dec_read_ddrb)(ethr_atomic32_t *var) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ETHR_ATMC32_FUNC__(dec_read)(var); +#else + return ETHR_ATMC32_FUNC__(dec_read_rb)(var); +#endif +} + /* --- add() --- */ @@ -8055,6 +8333,15 @@ static ETHR_INLINE void ETHR_ATMC32_FUNC__(add_mb)(ethr_atomic32_t *var, ethr_si #endif } +static ETHR_INLINE void ETHR_ATMC32_FUNC__(add_ddrb)(ethr_atomic32_t *var, ethr_sint32_t val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + ETHR_ATMC32_FUNC__(add)(var, val); +#else + ETHR_ATMC32_FUNC__(add_rb)(var, val); +#endif +} + /* --- inc() --- */ @@ -8197,6 +8484,15 @@ static ETHR_INLINE void ETHR_ATMC32_FUNC__(inc_mb)(ethr_atomic32_t *var) #endif } +static ETHR_INLINE void ETHR_ATMC32_FUNC__(inc_ddrb)(ethr_atomic32_t *var) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + ETHR_ATMC32_FUNC__(inc)(var); +#else + ETHR_ATMC32_FUNC__(inc_rb)(var); +#endif +} + /* --- dec() --- */ @@ -8339,6 +8635,15 @@ static ETHR_INLINE void ETHR_ATMC32_FUNC__(dec_mb)(ethr_atomic32_t *var) #endif } +static ETHR_INLINE void ETHR_ATMC32_FUNC__(dec_ddrb)(ethr_atomic32_t *var) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + ETHR_ATMC32_FUNC__(dec)(var); +#else + ETHR_ATMC32_FUNC__(dec_rb)(var); +#endif +} + /* --- read_band() --- */ @@ -8589,6 +8894,15 @@ static ETHR_INLINE ethr_sint32_t ETHR_ATMC32_FUNC__(read_band_mb)(ethr_atomic32_ return res; } +static ETHR_INLINE ethr_sint32_t ETHR_ATMC32_FUNC__(read_band_ddrb)(ethr_atomic32_t *var, ethr_sint32_t val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ETHR_ATMC32_FUNC__(read_band)(var, val); +#else + return ETHR_ATMC32_FUNC__(read_band_rb)(var, val); +#endif +} + /* --- read_bor() --- */ @@ -8839,6 +9153,15 @@ static ETHR_INLINE ethr_sint32_t ETHR_ATMC32_FUNC__(read_bor_mb)(ethr_atomic32_t return res; } +static ETHR_INLINE ethr_sint32_t ETHR_ATMC32_FUNC__(read_bor_ddrb)(ethr_atomic32_t *var, ethr_sint32_t val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ETHR_ATMC32_FUNC__(read_bor)(var, val); +#else + return ETHR_ATMC32_FUNC__(read_bor_rb)(var, val); +#endif +} + #endif /* ETHR_ATMC32_INLINE__ */ #endif /* ETHR_ATOMICS_H__ */ diff --git a/erts/lib_src/common/ethr_atomics.c b/erts/lib_src/common/ethr_atomics.c index 5796bdc22e..e4213e1eef 100644 --- a/erts/lib_src/common/ethr_atomics.c +++ b/erts/lib_src/common/ethr_atomics.c @@ -10,7 +10,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2011. All Rights Reserved. + * Copyright Ericsson AB 2011-2012. 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 @@ -64,12 +64,31 @@ * Appart from a function implementing the atomic operation * with unspecified memory barrier semantics, there are * functions implementing each operation with the following - * memory barrier semantics: - * - rb (read barrier) - * - wb (write barrier) - * - acqb (acquire barrier) - * - relb (release barrier) - * - mb (full memory barrier) + * implied memory barrier semantics: + * - mb - Full memory barrier. Orders both loads, and + * stores before, and after the atomic operation. + * No load or store is allowed to be reordered + * over the atomic operation. + * - relb - Release barrier. Orders both loads, and + * stores appearing *before* the atomic + * operation. These are not allowed to be + * reordered over the atomic operation. + * - acqb - Acquire barrier. Orders both loads, and stores + * appearing *after* the atomic operation. These + * are not allowed to be reordered over the + * atomic operation. + * - wb - Write barrier. Orders *only* stores. These are + * not allowed to be reordered over the barrier. + * Store in atomic operation is ordered *after* + * the barrier. + * - rb - Read barrier. Orders *only* loads. These are + * not allowed to be reordered over the barrier. + * Load in atomic operation is ordered *before* + * the barrier. + * - ddrb - Data dependency read barrier. Orders *only* + * loads according to data dependency across the + * barrier. Load in atomic operation is ordered + * before the barrier. * * We implement all of these operation/barrier * combinations, regardless of whether they are useful @@ -542,6 +561,15 @@ int ethr_dw_atomic_cmpxchg(ethr_dw_atomic_t *var, ethr_dw_sint_t *val, ethr_dw_s } #endif +int ETHR_DW_ATOMIC_FUNC__(cmpxchg_ddrb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val, ethr_dw_sint_t *old_val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ETHR_DW_ATOMIC_FUNC__(cmpxchg)(var, val, old_val); +#else + return ETHR_DW_ATOMIC_FUNC__(cmpxchg_rb)(var, val, old_val); +#endif +} + int ETHR_DW_ATOMIC_FUNC__(cmpxchg_rb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val, ethr_dw_sint_t *old_val) { int res; @@ -756,6 +784,15 @@ void ethr_dw_atomic_set(ethr_dw_atomic_t *var, ethr_dw_sint_t *val) } #endif +void ETHR_DW_ATOMIC_FUNC__(set_ddrb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + ETHR_DW_ATOMIC_FUNC__(set)(var, val); +#else + ETHR_DW_ATOMIC_FUNC__(set_rb)(var, val); +#endif +} + void ETHR_DW_ATOMIC_FUNC__(set_rb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val) { ETHR_ASSERT(!ethr_not_inited__); @@ -910,6 +947,15 @@ void ethr_dw_atomic_read(ethr_dw_atomic_t *var, ethr_dw_sint_t *val) } #endif +void ETHR_DW_ATOMIC_FUNC__(read_ddrb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + ETHR_DW_ATOMIC_FUNC__(read)(var, val); +#else + ETHR_DW_ATOMIC_FUNC__(read_rb)(var, val); +#endif +} + void ETHR_DW_ATOMIC_FUNC__(read_rb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val) { ETHR_ASSERT(!ethr_not_inited__); @@ -1061,6 +1107,15 @@ void ethr_dw_atomic_init(ethr_dw_atomic_t *var, ethr_dw_sint_t *val) } #endif +void ETHR_DW_ATOMIC_FUNC__(init_ddrb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + ETHR_DW_ATOMIC_FUNC__(init)(var, val); +#else + ETHR_DW_ATOMIC_FUNC__(init_rb)(var, val); +#endif +} + void ETHR_DW_ATOMIC_FUNC__(init_rb)(ethr_dw_atomic_t *var, ethr_dw_sint_t *val) { ETHR_ASSERT(var); @@ -1221,6 +1276,15 @@ ethr_sint_t ethr_atomic_cmpxchg(ethr_atomic_t *var, ethr_sint_t val, ethr_sint_t return res; } +ethr_sint_t ethr_atomic_cmpxchg_ddrb(ethr_atomic_t *var, ethr_sint_t val, ethr_sint_t old_val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ethr_atomic_cmpxchg(var, val, old_val); +#else + return ethr_atomic_cmpxchg_rb(var, val, old_val); +#endif +} + ethr_sint_t ethr_atomic_cmpxchg_rb(ethr_atomic_t *var, ethr_sint_t val, ethr_sint_t old_val) { ethr_sint_t res; @@ -1332,6 +1396,15 @@ ethr_sint_t ethr_atomic_xchg(ethr_atomic_t *var, ethr_sint_t val) return res; } +ethr_sint_t ethr_atomic_xchg_ddrb(ethr_atomic_t *var, ethr_sint_t val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ethr_atomic_xchg(var, val); +#else + return ethr_atomic_xchg_rb(var, val); +#endif +} + ethr_sint_t ethr_atomic_xchg_rb(ethr_atomic_t *var, ethr_sint_t val) { ethr_sint_t res; @@ -1437,6 +1510,15 @@ void ethr_atomic_set(ethr_atomic_t *var, ethr_sint_t val) } +void ethr_atomic_set_ddrb(ethr_atomic_t *var, ethr_sint_t val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + ethr_atomic_set(var, val); +#else + ethr_atomic_set_rb(var, val); +#endif +} + void ethr_atomic_set_rb(ethr_atomic_t *var, ethr_sint_t val) { ETHR_ASSERT(!ethr_not_inited__); @@ -1536,6 +1618,15 @@ void ethr_atomic_init(ethr_atomic_t *var, ethr_sint_t val) } +void ethr_atomic_init_ddrb(ethr_atomic_t *var, ethr_sint_t val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + ethr_atomic_init(var, val); +#else + ethr_atomic_init_rb(var, val); +#endif +} + void ethr_atomic_init_rb(ethr_atomic_t *var, ethr_sint_t val) { ETHR_ASSERT(var); @@ -1632,6 +1723,15 @@ ethr_sint_t ethr_atomic_add_read(ethr_atomic_t *var, ethr_sint_t val) return res; } +ethr_sint_t ethr_atomic_add_read_ddrb(ethr_atomic_t *var, ethr_sint_t val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ethr_atomic_add_read(var, val); +#else + return ethr_atomic_add_read_rb(var, val); +#endif +} + ethr_sint_t ethr_atomic_add_read_rb(ethr_atomic_t *var, ethr_sint_t val) { ethr_sint_t res; @@ -1738,6 +1838,15 @@ ethr_sint_t ethr_atomic_read(ethr_atomic_t *var) return res; } +ethr_sint_t ethr_atomic_read_ddrb(ethr_atomic_t *var) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ethr_atomic_read(var); +#else + return ethr_atomic_read_rb(var); +#endif +} + ethr_sint_t ethr_atomic_read_rb(ethr_atomic_t *var) { ethr_sint_t res; @@ -1843,6 +1952,15 @@ ethr_sint_t ethr_atomic_inc_read(ethr_atomic_t *var) return res; } +ethr_sint_t ethr_atomic_inc_read_ddrb(ethr_atomic_t *var) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ethr_atomic_inc_read(var); +#else + return ethr_atomic_inc_read_rb(var); +#endif +} + ethr_sint_t ethr_atomic_inc_read_rb(ethr_atomic_t *var) { ethr_sint_t res; @@ -1949,6 +2067,15 @@ ethr_sint_t ethr_atomic_dec_read(ethr_atomic_t *var) return res; } +ethr_sint_t ethr_atomic_dec_read_ddrb(ethr_atomic_t *var) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ethr_atomic_dec_read(var); +#else + return ethr_atomic_dec_read_rb(var); +#endif +} + ethr_sint_t ethr_atomic_dec_read_rb(ethr_atomic_t *var) { ethr_sint_t res; @@ -2054,6 +2181,15 @@ void ethr_atomic_add(ethr_atomic_t *var, ethr_sint_t val) } +void ethr_atomic_add_ddrb(ethr_atomic_t *var, ethr_sint_t val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + ethr_atomic_add(var, val); +#else + ethr_atomic_add_rb(var, val); +#endif +} + void ethr_atomic_add_rb(ethr_atomic_t *var, ethr_sint_t val) { ETHR_ASSERT(!ethr_not_inited__); @@ -2154,6 +2290,15 @@ void ethr_atomic_inc(ethr_atomic_t *var) } +void ethr_atomic_inc_ddrb(ethr_atomic_t *var) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + ethr_atomic_inc(var); +#else + ethr_atomic_inc_rb(var); +#endif +} + void ethr_atomic_inc_rb(ethr_atomic_t *var) { ETHR_ASSERT(!ethr_not_inited__); @@ -2254,6 +2399,15 @@ void ethr_atomic_dec(ethr_atomic_t *var) } +void ethr_atomic_dec_ddrb(ethr_atomic_t *var) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + ethr_atomic_dec(var); +#else + ethr_atomic_dec_rb(var); +#endif +} + void ethr_atomic_dec_rb(ethr_atomic_t *var) { ETHR_ASSERT(!ethr_not_inited__); @@ -2355,6 +2509,15 @@ ethr_sint_t ethr_atomic_read_band(ethr_atomic_t *var, ethr_sint_t val) return res; } +ethr_sint_t ethr_atomic_read_band_ddrb(ethr_atomic_t *var, ethr_sint_t val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ethr_atomic_read_band(var, val); +#else + return ethr_atomic_read_band_rb(var, val); +#endif +} + ethr_sint_t ethr_atomic_read_band_rb(ethr_atomic_t *var, ethr_sint_t val) { ethr_sint_t res; @@ -2461,6 +2624,15 @@ ethr_sint_t ethr_atomic_read_bor(ethr_atomic_t *var, ethr_sint_t val) return res; } +ethr_sint_t ethr_atomic_read_bor_ddrb(ethr_atomic_t *var, ethr_sint_t val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ethr_atomic_read_bor(var, val); +#else + return ethr_atomic_read_bor_rb(var, val); +#endif +} + ethr_sint_t ethr_atomic_read_bor_rb(ethr_atomic_t *var, ethr_sint_t val) { ethr_sint_t res; @@ -2587,6 +2759,15 @@ ethr_sint32_t ethr_atomic32_cmpxchg(ethr_atomic32_t *var, ethr_sint32_t val, eth return res; } +ethr_sint32_t ethr_atomic32_cmpxchg_ddrb(ethr_atomic32_t *var, ethr_sint32_t val, ethr_sint32_t old_val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ethr_atomic32_cmpxchg(var, val, old_val); +#else + return ethr_atomic32_cmpxchg_rb(var, val, old_val); +#endif +} + ethr_sint32_t ethr_atomic32_cmpxchg_rb(ethr_atomic32_t *var, ethr_sint32_t val, ethr_sint32_t old_val) { ethr_sint32_t res; @@ -2675,6 +2856,15 @@ ethr_sint32_t ethr_atomic32_xchg(ethr_atomic32_t *var, ethr_sint32_t val) return res; } +ethr_sint32_t ethr_atomic32_xchg_ddrb(ethr_atomic32_t *var, ethr_sint32_t val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ethr_atomic32_xchg(var, val); +#else + return ethr_atomic32_xchg_rb(var, val); +#endif +} + ethr_sint32_t ethr_atomic32_xchg_rb(ethr_atomic32_t *var, ethr_sint32_t val) { ethr_sint32_t res; @@ -2762,6 +2952,15 @@ void ethr_atomic32_set(ethr_atomic32_t *var, ethr_sint32_t val) } +void ethr_atomic32_set_ddrb(ethr_atomic32_t *var, ethr_sint32_t val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + ethr_atomic32_set(var, val); +#else + ethr_atomic32_set_rb(var, val); +#endif +} + void ethr_atomic32_set_rb(ethr_atomic32_t *var, ethr_sint32_t val) { ETHR_ASSERT(!ethr_not_inited__); @@ -2843,6 +3042,15 @@ void ethr_atomic32_init(ethr_atomic32_t *var, ethr_sint32_t val) } +void ethr_atomic32_init_ddrb(ethr_atomic32_t *var, ethr_sint32_t val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + ethr_atomic32_init(var, val); +#else + ethr_atomic32_init_rb(var, val); +#endif +} + void ethr_atomic32_init_rb(ethr_atomic32_t *var, ethr_sint32_t val) { ETHR_ASSERT(var); @@ -2921,6 +3129,15 @@ ethr_sint32_t ethr_atomic32_add_read(ethr_atomic32_t *var, ethr_sint32_t val) return res; } +ethr_sint32_t ethr_atomic32_add_read_ddrb(ethr_atomic32_t *var, ethr_sint32_t val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ethr_atomic32_add_read(var, val); +#else + return ethr_atomic32_add_read_rb(var, val); +#endif +} + ethr_sint32_t ethr_atomic32_add_read_rb(ethr_atomic32_t *var, ethr_sint32_t val) { ethr_sint32_t res; @@ -3009,6 +3226,15 @@ ethr_sint32_t ethr_atomic32_read(ethr_atomic32_t *var) return res; } +ethr_sint32_t ethr_atomic32_read_ddrb(ethr_atomic32_t *var) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ethr_atomic32_read(var); +#else + return ethr_atomic32_read_rb(var); +#endif +} + ethr_sint32_t ethr_atomic32_read_rb(ethr_atomic32_t *var) { ethr_sint32_t res; @@ -3097,6 +3323,15 @@ ethr_sint32_t ethr_atomic32_inc_read(ethr_atomic32_t *var) return res; } +ethr_sint32_t ethr_atomic32_inc_read_ddrb(ethr_atomic32_t *var) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ethr_atomic32_inc_read(var); +#else + return ethr_atomic32_inc_read_rb(var); +#endif +} + ethr_sint32_t ethr_atomic32_inc_read_rb(ethr_atomic32_t *var) { ethr_sint32_t res; @@ -3185,6 +3420,15 @@ ethr_sint32_t ethr_atomic32_dec_read(ethr_atomic32_t *var) return res; } +ethr_sint32_t ethr_atomic32_dec_read_ddrb(ethr_atomic32_t *var) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ethr_atomic32_dec_read(var); +#else + return ethr_atomic32_dec_read_rb(var); +#endif +} + ethr_sint32_t ethr_atomic32_dec_read_rb(ethr_atomic32_t *var) { ethr_sint32_t res; @@ -3272,6 +3516,15 @@ void ethr_atomic32_add(ethr_atomic32_t *var, ethr_sint32_t val) } +void ethr_atomic32_add_ddrb(ethr_atomic32_t *var, ethr_sint32_t val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + ethr_atomic32_add(var, val); +#else + ethr_atomic32_add_rb(var, val); +#endif +} + void ethr_atomic32_add_rb(ethr_atomic32_t *var, ethr_sint32_t val) { ETHR_ASSERT(!ethr_not_inited__); @@ -3354,6 +3607,15 @@ void ethr_atomic32_inc(ethr_atomic32_t *var) } +void ethr_atomic32_inc_ddrb(ethr_atomic32_t *var) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + ethr_atomic32_inc(var); +#else + ethr_atomic32_inc_rb(var); +#endif +} + void ethr_atomic32_inc_rb(ethr_atomic32_t *var) { ETHR_ASSERT(!ethr_not_inited__); @@ -3436,6 +3698,15 @@ void ethr_atomic32_dec(ethr_atomic32_t *var) } +void ethr_atomic32_dec_ddrb(ethr_atomic32_t *var) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + ethr_atomic32_dec(var); +#else + ethr_atomic32_dec_rb(var); +#endif +} + void ethr_atomic32_dec_rb(ethr_atomic32_t *var) { ETHR_ASSERT(!ethr_not_inited__); @@ -3519,6 +3790,15 @@ ethr_sint32_t ethr_atomic32_read_band(ethr_atomic32_t *var, ethr_sint32_t val) return res; } +ethr_sint32_t ethr_atomic32_read_band_ddrb(ethr_atomic32_t *var, ethr_sint32_t val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ethr_atomic32_read_band(var, val); +#else + return ethr_atomic32_read_band_rb(var, val); +#endif +} + ethr_sint32_t ethr_atomic32_read_band_rb(ethr_atomic32_t *var, ethr_sint32_t val) { ethr_sint32_t res; @@ -3607,6 +3887,15 @@ ethr_sint32_t ethr_atomic32_read_bor(ethr_atomic32_t *var, ethr_sint32_t val) return res; } +ethr_sint32_t ethr_atomic32_read_bor_ddrb(ethr_atomic32_t *var, ethr_sint32_t val) +{ +#ifdef ETHR_ORDERED_READ_DEPEND + return ethr_atomic32_read_bor(var, val); +#else + return ethr_atomic32_read_bor_rb(var, val); +#endif +} + ethr_sint32_t ethr_atomic32_read_bor_rb(ethr_atomic32_t *var, ethr_sint32_t val) { ethr_sint32_t res; diff --git a/erts/lib_src/utils/make_atomics_api b/erts/lib_src/utils/make_atomics_api index f4e71c7618..d8b1a56100 100755 --- a/erts/lib_src/utils/make_atomics_api +++ b/erts/lib_src/utils/make_atomics_api @@ -4,7 +4,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2011. All Rights Reserved. +%% Copyright Ericsson AB 2011-2012. 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 @@ -50,7 +50,9 @@ -define(DW_RTCHK_MACRO, "ETHR_RTCHK_USE_NATIVE_DW_ATOMIC_IMPL__"). %% Barrier versions we implement --define(BARRIERS, [none, rb, wb, acqb, relb, mb]). +-define(BARRIERS, [none, ddrb, rb, wb, acqb, relb, mb]). +-define(NON_NATIVE_BARRIERS, [ddrb]). +-define(NATIVE_BARRIERS, (?BARRIERS -- ?NON_NATIVE_BARRIERS)). -define(ATOMIC_SIZES, ["dword", "word", "32"]). @@ -381,7 +383,6 @@ do_func_header(#atomic_context{dw = true, cmpxchg, Inline, Func) -> [Inline, "int ", Func, "(", AtomicT, " *", Arg1, ", ", AintT, " *", Arg2, ", ", AintT, " *", Arg3, ")"]. - xbarriers(_Op, none, _NB) -> {"", ""}; @@ -455,7 +456,7 @@ try_barrier_order_first(mb) -> try_barrier_order(B) -> First = try_barrier_order_first(B), - First ++ (?BARRIERS -- First). + First ++ (?NATIVE_BARRIERS -- First). native_barrier_op(#atomic_context{'NATMC' = NATMC} = AC, If, ExtraDecl, Op, B, NB, TypeCasts) -> NOpStr = opstr(native(Op)), @@ -571,12 +572,12 @@ do_cmpxchg_fallback_define(#atomic_context{'NATMC' = NATMC, NoneTryBarrierOrder = try_barrier_order(none), %% First a sanity check [" -#if (", NotDefCMPXCHG(hd(?BARRIERS)) , +#if (", NotDefCMPXCHG(hd(?NATIVE_BARRIERS)) , lists:map(fun (B) -> [" \\ && ", NotDefCMPXCHG(B)] end, - tl(?BARRIERS)), ") + tl(?NATIVE_BARRIERS)), ") # error \"No native cmpxchg() op available\" #endif @@ -744,7 +745,7 @@ translate_have_defs(#atomic_context{dw = DW, 'NATMC' = NATMC}) -> ] end] end, - ?BARRIERS) + ?NATIVE_BARRIERS) end, case DW of true -> ?DW_ATOMIC_OPS; @@ -801,6 +802,46 @@ rtchk_fallback_call(Return, #atomic_context{dw = DW, false -> [RetVar, " ="] end, [?DW_FUNC_MACRO, "(", opstr(Op), op_barrier_ext(B), ")"], Arg1, Arg2, Arg3, ""). +non_native_barrier(B) -> + lists:member(B, ?NON_NATIVE_BARRIERS). + +non_native_barrier_impl(AC, Type, Macro, Op, B) -> + [" +", func_header(AC, Type, Macro, Op, B), " +{", + case B of + ddrb -> + [" +#ifdef ETHR_ORDERED_READ_DEPEND + ", func_call(AC, Type, Macro, Op, none, true), " +#else + ", func_call(AC, Type, Macro, Op, rb, true), " +#endif +" + ] + end, + "} +" + ]. + +func_call(#atomic_context{'ATMC' = ATMC} = AC, inline_implementation, _Macro, Op, B, RetStatement) -> + func_call(AC, Op, ["ETHR_", ATMC, "_FUNC__(", opstr(Op), op_barrier_ext(B), ")"], RetStatement); +func_call(#atomic_context{atomic = Atomic} = AC, implementation, false, Op, B, RetStatement) -> + func_call(AC, Op, [Atomic, "_", opstr(Op), op_barrier_ext(B)], RetStatement); +func_call(AC, implementation, Macro, Op, B, RetStatement) -> + func_call(AC, Op, [Macro, "(", opstr(Op), op_barrier_ext(B), ")"], RetStatement). + +func_call(#atomic_context{dw = DW, arg1 = Arg1, arg2 = Arg2, arg3 = Arg3} = AC, Op, Func, true) -> + op_call(Op, DW, case is_return_op(AC, Op) of + true -> "return"; + false -> "" + end, Func, Arg1, Arg2, Arg3, ""); +func_call(#atomic_context{dw = DW, arg1 = Arg1, arg2 = Arg2, arg3 = Arg3, ret_var = RetVar} = AC, Op, Func, false) -> + op_call(Op, DW, case is_return_op(AC, Op) of + true -> [RetVar, " = "]; + false -> "" + end, Func, Arg1, Arg2, Arg3, ""). + make_implementations(#atomic_context{dw = DW, ret_type = RetType, ret_var = RetVar, @@ -858,73 +899,78 @@ make_implementations(#atomic_context{dw = DW, ", lists:map(fun (B) -> - TryBarriers = try_barrier_order(B), - [" + case non_native_barrier(B) of + true -> + non_native_barrier_impl(AC, inline_implementation, false, Op, B); + false -> + TryBarriers = try_barrier_order(B), + [" ", func_header(AC, inline_implementation, false, Op, B), " { ", - case is_return_op(AC, Op) of - true -> - [" ", RetType, " ", RetVar, ";\n"]; - _ -> "" - end, - case DW of - true -> - [RtchkBegin, - "\n", - su_dw_native_barrier_op(AC, "#if", Op, B, hd(TryBarriers)), - lists:map(fun (NB) -> - su_dw_native_barrier_op(AC, "#elif", Op, B, NB) - end, - tl(TryBarriers)), - lists:map(fun (NB) -> - dw_native_barrier_op(AC, "#elif", "", Op, B, NB) - end, - TryBarriers), - case simple_fallback(AC, Op, B) of - "" -> - %% No simple fallback available; - %% use cmpxchg() fallbacks... - [cmpxchg_fallbacks(AC#atomic_context{'NATMC' = ["SU_", NATMC]}, true, Op, B), - cmpxchg_fallbacks(AC, false, Op, B), - "#else + case is_return_op(AC, Op) of + true -> + [" ", RetType, " ", RetVar, ";\n"]; + _ -> "" + end, + case DW of + true -> + [RtchkBegin, + "\n", + su_dw_native_barrier_op(AC, "#if", Op, B, hd(TryBarriers)), + lists:map(fun (NB) -> + su_dw_native_barrier_op(AC, "#elif", Op, B, NB) + end, + tl(TryBarriers)), + lists:map(fun (NB) -> + dw_native_barrier_op(AC, "#elif", "", Op, B, NB) + end, + TryBarriers), + case simple_fallback(AC, Op, B) of + "" -> + %% No simple fallback available; + %% use cmpxchg() fallbacks... + [cmpxchg_fallbacks(AC#atomic_context{'NATMC' = ["SU_", NATMC]}, true, Op, B), + cmpxchg_fallbacks(AC, false, Op, B), + "#else #error \"Missing implementation of ", Atomic, "_", opstr(Op), op_barrier_ext(B), "()!\" #endif " - ]; - SimpleFallback -> - ["#else\n", SimpleFallback, "#endif\n"] - end, - RtchkEnd(false, Op, B), "\n"]; - false -> - [native_barrier_op(AC, "#if", "", Op, B, hd(TryBarriers), true), - lists:map(fun (NB) -> - native_barrier_op(AC, "#elif", "", Op, B, NB, true) - end, - tl(TryBarriers)), - case simple_fallback(AC, Op, B) of - "" -> - %% No simple fallback available; - %% use cmpxchg() fallbacks... - [cmpxchg_fallbacks(AC, false, Op, B), - "#else + ]; + SimpleFallback -> + ["#else\n", SimpleFallback, "#endif\n"] + end, + RtchkEnd(false, Op, B), "\n"]; + false -> + [native_barrier_op(AC, "#if", "", Op, B, hd(TryBarriers), true), + lists:map(fun (NB) -> + native_barrier_op(AC, "#elif", "", Op, B, NB, true) + end, + tl(TryBarriers)), + case simple_fallback(AC, Op, B) of + "" -> + %% No simple fallback available; + %% use cmpxchg() fallbacks... + [cmpxchg_fallbacks(AC, false, Op, B), + "#else #error \"Missing implementation of ", Atomic, "_", opstr(Op), op_barrier_ext(B), "()!\" #endif " - ]; - SimpleFallback -> - ["#else\n", SimpleFallback, "#endif\n"] - end] - end, - case is_return_op(AC, Op) of - true -> - [" return ", RetVar, ";\n"]; - false -> - "" - end, - "}\n"] + ]; + SimpleFallback -> + ["#else\n", SimpleFallback, "#endif\n"] + end] + end, + case is_return_op(AC, Op) of + true -> + [" return ", RetVar, ";\n"]; + false -> + "" + end, + "}\n"] + end end, - ?BARRIERS)] + ?NATIVE_BARRIERS ++ ?NON_NATIVE_BARRIERS)] %% non-native needs to be after native... end, case DW of true -> ?DW_ATOMIC_OPS; @@ -1159,33 +1205,38 @@ int ethr_have_native_dw_atomic(void) ", lists:map(fun (B) -> - ["\n", - func_header(AC, implementation, - case DW of - true -> ?DW_FUNC_MACRO; - false -> false - end, Op, B), - "\n{\n", - case is_return_op(AC, Op) of - true -> [" ", RetType, " ", RetVar, ";\n"]; - false -> "" - end, - case Op of - init -> ""; - _ -> [" ETHR_ASSERT(!ethr_not_inited__);\n"] - end, - [" ETHR_ASSERT(", Arg1, ");\n"], - make_native_impl_op(AC, Op, B), - make_amc_fallback_op(AC#atomic_context{arg1 = FallbackVar}, Op, B), - make_locked_fallback_op(AC#atomic_context{arg1 = FallbackVar}, Op, B), - case is_return_op(AC, Op) of - true -> [" return ", RetVar, ";" - ]; - false -> - "" - end, - "\n}\n", - make_symbol_to_fallback_impl(AC, Op, B)] + Macro = case DW of + true -> ?DW_FUNC_MACRO; + false -> false + end, + case non_native_barrier(B) of + true -> + non_native_barrier_impl(AC, implementation, Macro, Op, B); + false -> + ["\n", + func_header(AC, implementation, Macro, Op, B), + "\n{\n", + case is_return_op(AC, Op) of + true -> [" ", RetType, " ", RetVar, ";\n"]; + false -> "" + end, + case Op of + init -> ""; + _ -> [" ETHR_ASSERT(!ethr_not_inited__);\n"] + end, + [" ETHR_ASSERT(", Arg1, ");\n"], + make_native_impl_op(AC, Op, B), + make_amc_fallback_op(AC#atomic_context{arg1 = FallbackVar}, Op, B), + make_locked_fallback_op(AC#atomic_context{arg1 = FallbackVar}, Op, B), + case is_return_op(AC, Op) of + true -> [" return ", RetVar, ";" + ]; + false -> + "" + end, + "\n}\n", + make_symbol_to_fallback_impl(AC, Op, B)] + end end, ?BARRIERS)] end, @@ -1233,7 +1284,7 @@ static char *native_", DW, "atomic", Bits, "_ops[] = {", #endif" ] end, - ?BARRIERS) + ?NATIVE_BARRIERS) end, case NBits of "dw" -> ?DW_ATOMIC_OPS; @@ -1390,25 +1441,51 @@ comments() -> * Appart from a function implementing the atomic operation * with unspecified memory barrier semantics, there are * functions implementing each operation with the following - * memory barrier semantics: -", + * implied memory barrier semantics:", lists:map(fun (none) -> ""; - (rb) -> - [" * - rb (read barrier)\n"]; - (wb) -> - [" * - wb (write barrier)\n"]; + (mb) -> + [" + * - mb - Full memory barrier. Orders both loads, and + * stores before, and after the atomic operation. + * No load or store is allowed to be reordered + * over the atomic operation."]; (acqb) -> - [" * - acqb (acquire barrier)\n"]; + [" + * - acqb - Acquire barrier. Orders both loads, and stores + * appearing *after* the atomic operation. These + * are not allowed to be reordered over the + * atomic operation."]; (relb) -> - [" * - relb (release barrier)\n"]; - (mb) -> - [" * - mb (full memory barrier)\n"]; + [" + * - relb - Release barrier. Orders both loads, and + * stores appearing *before* the atomic + * operation. These are not allowed to be + * reordered over the atomic operation."]; + (rb) -> + [" + * - rb - Read barrier. Orders *only* loads. These are + * not allowed to be reordered over the barrier. + * Load in atomic operation is ordered *before* + * the barrier. "]; + (ddrb) -> + [" + * - ddrb - Data dependency read barrier. Orders *only* + * loads according to data dependency across the + * barrier. Load in atomic operation is ordered + * before the barrier."]; + (wb) -> + [" + * - wb - Write barrier. Orders *only* stores. These are + * not allowed to be reordered over the barrier. + * Store in atomic operation is ordered *after* + * the barrier."]; (B) -> [" * - ", a2l(B), "\n"] end, - ?BARRIERS), - " * + lists:reverse(?BARRIERS)), + " + * * We implement all of these operation/barrier * combinations, regardless of whether they are useful * or not (some of them are useless). |