From 36f98375d57daaba3fec42bb91482cdac9ef4cc9 Mon Sep 17 00:00:00 2001 From: Rickard Green Date: Wed, 25 May 2016 16:15:36 +0200 Subject: Remove the 'message_queue_data' option 'mixed' --- erts/emulator/beam/atom.names | 1 - erts/emulator/beam/bif.c | 3 -- erts/emulator/beam/erl_bif_info.c | 5 --- erts/emulator/beam/erl_init.c | 6 ++-- erts/emulator/beam/erl_message.c | 28 +---------------- erts/emulator/beam/erl_process.c | 9 +++++- erts/emulator/test/message_queue_data_SUITE.erl | 42 +++++-------------------- 7 files changed, 19 insertions(+), 75 deletions(-) (limited to 'erts/emulator') diff --git a/erts/emulator/beam/atom.names b/erts/emulator/beam/atom.names index 8f65e71531..464058535a 100644 --- a/erts/emulator/beam/atom.names +++ b/erts/emulator/beam/atom.names @@ -389,7 +389,6 @@ atom min_heap_size atom min_bin_vheap_size atom minor_version atom Minus='-' -atom mixed atom module atom module_info atom monitored_by diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c index 2a3bd4afe5..e77da526fd 100644 --- a/erts/emulator/beam/bif.c +++ b/erts/emulator/beam/bif.c @@ -917,9 +917,6 @@ BIF_RETTYPE spawn_opt_1(BIF_ALIST_1) goto error; } else if (arg == am_message_queue_data) { switch (val) { - case am_mixed: - so.flags &= ~(SPO_OFF_HEAP_MSGQ|SPO_ON_HEAP_MSGQ); - break; case am_on_heap: so.flags &= ~SPO_OFF_HEAP_MSGQ; so.flags |= SPO_ON_HEAP_MSGQ; diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c index 2e195db0ee..b410578d37 100644 --- a/erts/emulator/beam/erl_bif_info.c +++ b/erts/emulator/beam/erl_bif_info.c @@ -1565,9 +1565,6 @@ process_info_aux(Process *BIF_P, case F_ON_HEAP_MSGQ: res = am_on_heap; break; - case 0: - res = am_mixed; - break; default: res = am_error; ERTS_INTERNAL_ERROR("Inconsistent message queue management state"); @@ -2809,8 +2806,6 @@ BIF_RETTYPE system_info_1(BIF_ALIST_1) BIF_RET(am_off_heap); case SPO_ON_HEAP_MSGQ: BIF_RET(am_on_heap); - case 0: - BIF_RET(am_mixed); default: ERTS_INTERNAL_ERROR("Inconsistent message queue management state"); BIF_RET(am_error); diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c index 0649fb68de..fbdafec4ef 100644 --- a/erts/emulator/beam/erl_init.c +++ b/erts/emulator/beam/erl_init.c @@ -585,7 +585,7 @@ void erts_usage(void) erts_fprintf(stderr, "-hpds size initial process dictionary size (default %d)\n", erts_pd_initial_size); erts_fprintf(stderr, "-hmqd val set default message queue data flag for processes,\n"); - erts_fprintf(stderr, " valid values are: off_heap | on_heap | mixed\n"); + erts_fprintf(stderr, " valid values are: off_heap | on_heap\n"); /* erts_fprintf(stderr, "-i module set the boot module (default init)\n"); */ @@ -1526,9 +1526,7 @@ erl_start(int argc, char **argv) erts_pd_initial_size)); } else if (has_prefix("mqd", sub_param)) { arg = get_arg(sub_param+3, argv[i+1], &i); - if (sys_strcmp(arg, "mixed") == 0) - erts_default_spo_flags &= ~(SPO_ON_HEAP_MSGQ|SPO_OFF_HEAP_MSGQ); - else if (sys_strcmp(arg, "on_heap") == 0) { + if (sys_strcmp(arg, "on_heap") == 0) { erts_default_spo_flags &= ~SPO_OFF_HEAP_MSGQ; erts_default_spo_flags |= SPO_ON_HEAP_MSGQ; } diff --git a/erts/emulator/beam/erl_message.c b/erts/emulator/beam/erl_message.c index 579f6e427d..d82532b354 100644 --- a/erts/emulator/beam/erl_message.c +++ b/erts/emulator/beam/erl_message.c @@ -1123,11 +1123,9 @@ erts_change_message_queue_management(Process *c_p, Eterm new_state) break; case am_on_heap: c_p->flags |= F_ON_HEAP_MSGQ; + c_p->flags &= ~F_OFF_HEAP_MSGQ; erts_smp_atomic32_read_bor_nob(&c_p->state, ERTS_PSFLG_ON_HEAP_MSGQ); - /* fall through */ - case am_mixed: - c_p->flags &= ~F_OFF_HEAP_MSGQ; /* * We are not allowed to clear ERTS_PSFLG_OFF_HEAP_MSGQ * if a off heap change is ongoing. It will be adjusted @@ -1151,11 +1149,6 @@ erts_change_message_queue_management(Process *c_p, Eterm new_state) switch (new_state) { case am_on_heap: break; - case am_mixed: - c_p->flags &= ~F_ON_HEAP_MSGQ; - erts_smp_atomic32_read_band_nob(&c_p->state, - ~ERTS_PSFLG_ON_HEAP_MSGQ); - break; case am_off_heap: c_p->flags &= ~F_ON_HEAP_MSGQ; erts_smp_atomic32_read_band_nob(&c_p->state, @@ -1167,25 +1160,6 @@ erts_change_message_queue_management(Process *c_p, Eterm new_state) } break; - case 0: - res = am_mixed; - - switch (new_state) { - case am_mixed: - break; - case am_on_heap: - c_p->flags |= F_ON_HEAP_MSGQ; - erts_smp_atomic32_read_bor_nob(&c_p->state, - ERTS_PSFLG_ON_HEAP_MSGQ); - break; - case am_off_heap: - goto change_to_off_heap; - default: - res = THE_NON_VALUE; /* badarg */ - break; - } - break; - default: res = am_error; ERTS_INTERNAL_ERROR("Inconsistent message queue management state"); diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index a853ec585b..f8cbe60e76 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -149,7 +149,7 @@ extern BeamInstr beam_apply[]; extern BeamInstr beam_exit[]; extern BeamInstr beam_continue_exit[]; -int ERTS_WRITE_UNLIKELY(erts_default_spo_flags) = 0; +int ERTS_WRITE_UNLIKELY(erts_default_spo_flags) = SPO_ON_HEAP_MSGQ; int ERTS_WRITE_UNLIKELY(erts_eager_check_io) = 1; int ERTS_WRITE_UNLIKELY(erts_sched_compact_load); int ERTS_WRITE_UNLIKELY(erts_sched_balance_util) = 0; @@ -11206,6 +11206,8 @@ erl_create_process(Process* parent, /* Parent of process (default group leader). flags |= F_ON_HEAP_MSGQ; } + ASSERT((flags & F_ON_HEAP_MSGQ) || (flags & F_OFF_HEAP_MSGQ)); + if (!rq) rq = erts_get_runq_proc(parent); @@ -11218,6 +11220,11 @@ erl_create_process(Process* parent, /* Parent of process (default group leader). goto error; } + ASSERT((erts_smp_atomic32_read_nob(&p->state) + & ERTS_PSFLG_ON_HEAP_MSGQ) + || (erts_smp_atomic32_read_nob(&p->state) + & ERTS_PSFLG_OFF_HEAP_MSGQ)); + #ifdef BM_COUNTERS processes_busy++; #endif diff --git a/erts/emulator/test/message_queue_data_SUITE.erl b/erts/emulator/test/message_queue_data_SUITE.erl index 226462676c..44e77dfad0 100644 --- a/erts/emulator/test/message_queue_data_SUITE.erl +++ b/erts/emulator/test/message_queue_data_SUITE.erl @@ -52,18 +52,12 @@ basic(Config) when is_list(Config) -> ok = rpc:call(Node2, ?MODULE, basic_test, [on_heap]), stop_node(Node2), - {ok, Node3} = start_node(Config, "+hmqd mixed"), - ok = rpc:call(Node3, ?MODULE, basic_test, [mixed]), - stop_node(Node3), - ok. is_valid_mqd_value(off_heap) -> true; is_valid_mqd_value(on_heap) -> true; -is_valid_mqd_value(mixed) -> - true; is_valid_mqd_value(_) -> false. @@ -78,9 +72,6 @@ basic_test(Default) -> {message_queue_data, off_heap} = process_info(self(), message_queue_data), off_heap = process_flag(message_queue_data, on_heap), {message_queue_data, on_heap} = process_info(self(), message_queue_data), - on_heap = process_flag(message_queue_data, mixed), - {message_queue_data, mixed} = process_info(self(), message_queue_data), - mixed = process_flag(message_queue_data, Default), {'EXIT', _} = (catch process_flag(message_queue_data, blupp)), P1 = spawn_opt(fun () -> receive after infinity -> ok end end, @@ -101,12 +92,6 @@ basic_test(Default) -> unlink(P3), exit(P3, bye), - P4 = spawn_opt(fun () -> receive after infinity -> ok end end, - [link, {message_queue_data, mixed}]), - {message_queue_data, mixed} = process_info(P4, message_queue_data), - unlink(P4), - exit(P4, bye), - {'EXIT', _} = (catch spawn_opt(fun () -> receive after infinity -> ok end end, [link, {message_queue_data, blapp}])), @@ -116,21 +101,18 @@ process_info_messages(Config) when is_list(Config) -> Tester = self(), P1 = spawn_opt(fun () -> receive after 500 -> ok end, - mixed = process_flag(message_queue_data, off_heap), + on_heap = process_flag(message_queue_data, off_heap), Tester ! first, receive after 500 -> ok end, off_heap = process_flag(message_queue_data, on_heap), Tester ! second, receive after 500 -> ok end, - on_heap = process_flag(message_queue_data, mixed), + on_heap = process_flag(message_queue_data, off_heap), Tester ! third, - receive after 500 -> ok end, - mixed = process_flag(message_queue_data, off_heap), - Tester ! fourth, receive after infinity -> ok end end, - [link, {message_queue_data, mixed}]), + [link, {message_queue_data, on_heap}]), P1 ! "A", receive first -> ok end, @@ -139,25 +121,20 @@ process_info_messages(Config) when is_list(Config) -> P1 ! "C", receive third -> ok end, P1 ! "D", - receive fourth -> ok end, - P1 ! "E", - {messages, ["A", "B", "C", "D", "E"]} = process_info(P1, messages), + {messages, ["A", "B", "C", "D"]} = process_info(P1, messages), P2 = spawn_opt(fun () -> receive after 500 -> ok end, - mixed = process_flag(message_queue_data, off_heap), + on_heap = process_flag(message_queue_data, off_heap), Tester ! first, receive after 500 -> ok end, off_heap = process_flag(message_queue_data, on_heap), Tester ! second, receive after 500 -> ok end, - on_heap = process_flag(message_queue_data, mixed), + on_heap = process_flag(message_queue_data, off_heap), Tester ! third, receive after 500 -> ok end, - mixed = process_flag(message_queue_data, off_heap), - Tester ! fourth, - receive after 500 -> ok end, Tester ! process_info(self(), messages), @@ -165,11 +142,10 @@ process_info_messages(Config) when is_list(Config) -> receive M2 -> M2 = "B" end, receive M3 -> M3 = "C" end, receive M4 -> M4 = "D" end, - receive M5 -> M5 = "E" end, Tester ! self() end, - [link, {message_queue_data, mixed}]), + [link, {message_queue_data, on_heap}]), P2 ! "A", receive first -> ok end, @@ -178,12 +154,10 @@ process_info_messages(Config) when is_list(Config) -> P2 ! "C", receive third -> ok end, P2 ! "D", - receive fourth -> ok end, - P2 ! "E", receive Msg -> - {messages, ["A", "B", "C", "D", "E"]} = Msg + {messages, ["A", "B", "C", "D"]} = Msg end, receive P2 -> ok end, -- cgit v1.2.3