diff options
Diffstat (limited to 'lib/stdlib')
| -rw-r--r-- | lib/stdlib/doc/src/notes.xml | 51 | ||||
| -rw-r--r-- | lib/stdlib/src/stdlib.appup.src | 6 | ||||
| -rw-r--r-- | lib/stdlib/test/ets_SUITE.erl | 57 | ||||
| -rw-r--r-- | lib/stdlib/vsn.mk | 2 |
4 files changed, 113 insertions, 3 deletions
diff --git a/lib/stdlib/doc/src/notes.xml b/lib/stdlib/doc/src/notes.xml index 993945b9c7..278560af1d 100644 --- a/lib/stdlib/doc/src/notes.xml +++ b/lib/stdlib/doc/src/notes.xml @@ -31,6 +31,57 @@ </header> <p>This document describes the changes made to the STDLIB application.</p> +<section><title>STDLIB 3.8</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> Fix a bug in the Erlang Pretty Printer: long atom + names in combination with <c><<>></c> could + cause a crash. </p> + <p> + Own Id: OTP-15592 Aux Id: ERL-818 </p> + </item> + <item> + <p> Fix bugs that could cause wrong results or bad + performance when formatting lists of characters using the + control sequences <c>p</c> or <c>P</c> and limiting the + output with the option <c>chars_limit</c>. </p> + <p> + Own Id: OTP-15639</p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + Improved ETS documentation about safe table traversal and + the partially bound key optimization for + <c>ordered_set</c>.</p> + <p> + Own Id: OTP-15545 Aux Id: PR-2103, PR-2139 </p> + </item> + <item> + <p> Optimize <c>calendar:gregorian_days_to_date/1</c>. + </p> + <p> + Own Id: OTP-15572 Aux Id: PR-2121 </p> + </item> + <item> + <p> Optimize functions + <c>calendar:rfc3339_to_system_time()</c> and + <c>calendar:system_time_to_rfc3339()</c>. </p> + <p> + Own Id: OTP-15630</p> + </item> + </list> + </section> + +</section> + <section><title>STDLIB 3.7.1</title> <section><title>Fixed Bugs and Malfunctions</title> diff --git a/lib/stdlib/src/stdlib.appup.src b/lib/stdlib/src/stdlib.appup.src index 9e5d6a3bd8..37ea97c353 100644 --- a/lib/stdlib/src/stdlib.appup.src +++ b/lib/stdlib/src/stdlib.appup.src @@ -40,7 +40,8 @@ {<<"^3\\.6$">>,[restart_new_emulator]}, {<<"^3\\.6\\.0(?:\\.[0-9]+)+$">>,[restart_new_emulator]}, {<<"^3\\.7$">>,[restart_new_emulator]}, - {<<"^3\\.7\\.0(?:\\.[0-9]+)+$">>,[restart_new_emulator]}], + {<<"^3\\.7\\.0(?:\\.[0-9]+)+$">>,[restart_new_emulator]}, + {<<"^3\\.7\\.1(?:\\.[0-9]+)*$">>,[restart_new_emulator]}], [{<<"^3\\.4$">>,[restart_new_emulator]}, {<<"^3\\.4\\.0(?:\\.[0-9]+)+$">>,[restart_new_emulator]}, {<<"^3\\.4\\.1(?:\\.[0-9]+)*$">>,[restart_new_emulator]}, @@ -54,4 +55,5 @@ {<<"^3\\.6$">>,[restart_new_emulator]}, {<<"^3\\.6\\.0(?:\\.[0-9]+)+$">>,[restart_new_emulator]}, {<<"^3\\.7$">>,[restart_new_emulator]}, - {<<"^3\\.7\\.0(?:\\.[0-9]+)+$">>,[restart_new_emulator]}]}. + {<<"^3\\.7\\.0(?:\\.[0-9]+)+$">>,[restart_new_emulator]}, + {<<"^3\\.7\\.1(?:\\.[0-9]+)*$">>,[restart_new_emulator]}]}. diff --git a/lib/stdlib/test/ets_SUITE.erl b/lib/stdlib/test/ets_SUITE.erl index aa2e352c29..433b812fd5 100644 --- a/lib/stdlib/test/ets_SUITE.erl +++ b/lib/stdlib/test/ets_SUITE.erl @@ -59,6 +59,7 @@ -export([otp_5340/1]). -export([otp_6338/1]). -export([otp_6842_select_1000/1]). +-export([select_mbuf_trapping/1]). -export([otp_7665/1]). -export([meta_wb/1]). -export([grow_shrink/1, grow_pseudo_deleted/1, shrink_pseudo_deleted/1]). @@ -130,6 +131,7 @@ all() -> t_named_select, select_fail, t_insert_new, t_repair_continuation, otp_5340, otp_6338, otp_6842_select_1000, otp_7665, + select_mbuf_trapping, otp_8732, meta_wb, grow_shrink, grow_pseudo_deleted, shrink_pseudo_deleted, {group, meta_smp}, smp_insert, smp_fixed_delete, smp_unfix_fix, smp_select_replace, @@ -5131,6 +5133,61 @@ otp_6338(Config) when is_list(Config) -> [[4839,recv]] = ets:match(T,{[{sbm,ppb2_bs12@blade_0_8},'$1'],'$2'}), ets:delete(T). +%% OTP-15660: Verify select not doing excessive trapping +%% when process have mbuf heap fragments. +select_mbuf_trapping(Config) when is_list(Config) -> + select_mbuf_trapping_do(set), + select_mbuf_trapping_do(ordered_set). + +select_mbuf_trapping_do(Type) -> + T = ets:new(xxx, [Type]), + NKeys = 50, + [ets:insert(T, {K, value}) || K <- lists:seq(1,NKeys)], + + {priority, Prio} = process_info(self(), priority), + Tracee = self(), + [SchedTracer] + = start_loopers(1, Prio, + fun (SC) -> + receive + {trace, Tracee, out, _} -> + SC+1; + done -> + Tracee ! {schedule_count, SC}, + exit(normal) + end + end, + 0), + + erlang:garbage_collect(), + 1 = erlang:trace(self(), true, [running,{tracer,SchedTracer}]), + + %% Artificially create an mbuf heap fragment + MbufTerm = "Frag me up", + MbufTerm = erts_debug:set_internal_state(mbuf, MbufTerm), + + Keys = ets:select(T, [{{'$1', value}, [], ['$1']}]), + NKeys = length(Keys), + + 1 = erlang:trace(self(), false, [running]), + Ref = erlang:trace_delivered(Tracee), + receive + {trace_delivered, Tracee, Ref} -> + SchedTracer ! done + end, + receive + {schedule_count, N} -> + io:format("~p context switches: ~p", [Type,N]), + if + N < 3 -> ok; + true -> ct:fail(failed) + end + end, + true = ets:delete(T), + ok. + + + %% Elements could come in the wrong order in a bag if a rehash occurred. otp_5340(Config) when is_list(Config) -> repeat_for_opts(fun otp_5340_do/1). diff --git a/lib/stdlib/vsn.mk b/lib/stdlib/vsn.mk index d46173497b..cbefd6590a 100644 --- a/lib/stdlib/vsn.mk +++ b/lib/stdlib/vsn.mk @@ -1 +1 @@ -STDLIB_VSN = 3.7.1 +STDLIB_VSN = 3.8 |