diff options
Diffstat (limited to 'erts/emulator/beam/bif.c')
| -rw-r--r-- | erts/emulator/beam/bif.c | 89 |
1 files changed, 85 insertions, 4 deletions
diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c index 8ab363a1ec..f8305944a4 100644 --- a/erts/emulator/beam/bif.c +++ b/erts/emulator/beam/bif.c @@ -43,6 +43,9 @@ static Export* set_cpu_topology_trap = NULL; static Export* await_proc_exit_trap = NULL; Export* erts_format_cpu_topology_trap = NULL; +static Export *await_sched_wall_time_mod_trap; +static erts_smp_atomic32_t sched_wall_time; + #define DECL_AM(S) Eterm AM_ ## S = am_atom_put(#S, sizeof(#S) - 1) /* @@ -870,8 +873,6 @@ BIF_RETTYPE spawn_opt_1(BIF_ALIST_1) } } else if (arg == am_scheduler && is_small(val)) { Sint scheduler = signed_val(val); - if (erts_common_run_queue && erts_no_schedulers > 1) - goto error; if (scheduler < 0 || erts_no_schedulers < scheduler) goto error; so.scheduler = (int) scheduler; @@ -1535,8 +1536,6 @@ BIF_RETTYPE process_flag_2(BIF_ALIST_2) ErtsRunQueue *old; ErtsRunQueue *new; Sint sched; - if (erts_common_run_queue && erts_no_schedulers > 1) - goto error; if (!is_small(BIF_ARG_2)) goto error; sched = signed_val(BIF_ARG_2); @@ -3389,6 +3388,61 @@ BIF_RETTYPE universaltime_to_localtime_1(BIF_ALIST_1) BIF_RET(TUPLE2(hp, res1, res2)); } +/* convert calendar:universaltime_to_seconds/1 */ + +BIF_RETTYPE universaltime_to_posixtime_1(BIF_ALIST_1) +{ + Sint year, month, day; + Sint hour, minute, second; + + Sint64 seconds = 0; + Eterm *hp; + Uint hsz = 0; + + if (!time_to_parts(BIF_ARG_1, &year, &month, &day, + &hour, &minute, &second)) + BIF_ERROR(BIF_P, BADARG); + + if (!univ_to_seconds(year, month, day, hour, minute, second, &seconds)) { + BIF_ERROR(BIF_P, BADARG); + } + + erts_bld_sint64(NULL, &hsz, seconds); + hp = HAlloc(BIF_P, hsz); + BIF_RET(erts_bld_sint64(&hp, NULL, seconds)); +} + +/* convert calendar:seconds_to_universaltime/1 */ + +BIF_RETTYPE posixtime_to_universaltime_1(BIF_ALIST_1) +{ + Sint year, month, day; + Sint hour, minute, second; + Eterm res1, res2; + Eterm* hp; + + Sint64 time = 0; + + if (!term_to_Sint64(BIF_ARG_1, &time)) { + BIF_ERROR(BIF_P, BADARG); + } + + if (!seconds_to_univ(time, &year, &month, &day, + &hour, &minute, &second)) { + BIF_ERROR(BIF_P, BADARG); + } + + hp = HAlloc(BIF_P, 4+4+3); + res1 = TUPLE3(hp,make_small(year),make_small(month), + make_small(day)); + hp += 4; + res2 = TUPLE3(hp,make_small(hour),make_small(minute), + make_small(second)); + hp += 4; + BIF_RET(TUPLE2(hp, res1, res2)); +} + + /**********************************************************************/ @@ -4109,6 +4163,18 @@ BIF_RETTYPE system_flag_2(BIF_ALIST_2) erts_smp_proc_lock(BIF_P, ERTS_PROC_LOCK_MAIN); BIF_RET(am_true); + } else if (BIF_ARG_1 == am_scheduler_wall_time) { + if (BIF_ARG_2 == am_true || BIF_ARG_2 == am_false) { + erts_aint32_t new = BIF_ARG_2 == am_true ? 1 : 0; + erts_aint32_t old = erts_smp_atomic32_xchg_nob(&sched_wall_time, + new); + Eterm ref = erts_sched_wall_time_request(BIF_P, 1, new); + ASSERT(is_value(ref)); + BIF_TRAP2(await_sched_wall_time_mod_trap, + BIF_P, + ref, + old ? am_true : am_false); + } } else if (ERTS_IS_ATOM_STR("scheduling_statistics", BIF_ARG_1)) { int what; if (ERTS_IS_ATOM_STR("disable", BIF_ARG_2)) @@ -4128,8 +4194,20 @@ BIF_RETTYPE system_flag_2(BIF_ALIST_2) if (is_value(res)) BIF_RET(res); } else if (ERTS_IS_ATOM_STR("cpu_topology", BIF_ARG_1)) { + erts_send_warning_to_logger_str( + BIF_P->group_leader, + "A call to erlang:system_flag(cpu_topology, _) was made.\n" + "The cpu_topology argument is deprecated and scheduled\n" + "for removal in erts-5.10/OTP-R16. For more information\n" + "see the erlang:system_flag/2 documentation.\n"); BIF_TRAP1(set_cpu_topology_trap, BIF_P, BIF_ARG_2); } else if (ERTS_IS_ATOM_STR("scheduler_bind_type", BIF_ARG_1)) { + erts_send_warning_to_logger_str( + BIF_P->group_leader, + "A call to erlang:system_flag(scheduler_bind_type, _) was\n" + "made. The scheduler_bind_type argument is deprecated and\n" + "scheduled for removal in erts-5.10/OTP-R16. For more\n" + "information see the erlang:system_flag/2 documentation.\n"); return erts_bind_schedulers(BIF_P, BIF_ARG_2); } error: @@ -4394,6 +4472,9 @@ void erts_init_bif(void) am_format_cpu_topology, 1); await_proc_exit_trap = erts_export_put(am_erlang,am_await_proc_exit,3); + await_sched_wall_time_mod_trap + = erts_export_put(am_erlang, am_await_sched_wall_time_modifications, 2); + erts_smp_atomic32_init_nob(&sched_wall_time, 0); } #ifdef HARDDEBUG |