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Diffstat (limited to 'erts/doc/src/notes.xml')
| -rw-r--r-- | erts/doc/src/notes.xml | 361 |
1 files changed, 361 insertions, 0 deletions
diff --git a/erts/doc/src/notes.xml b/erts/doc/src/notes.xml index 5ca387ffd8..6bc242c246 100644 --- a/erts/doc/src/notes.xml +++ b/erts/doc/src/notes.xml @@ -31,6 +31,331 @@ </header> <p>This document describes the changes made to the ERTS application.</p> +<section><title>Erts 10.5</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + If you set <c>{linger,{true,0}}</c> on a <c>gen_tcp</c> + listen socket, accept a connection on that socket, and + then close the accepted socket, now the linger zero + setting is transferred to the accepted socket. Before + this correction that information was lost and the close + behaviour on the accepted socket incorrect.</p> + <p> + Own Id: OTP-15370 Aux Id: ERIERL-353 </p> + </item> + <item> + <p> + Sending ancillary data implemented in OTP-15747 + accidentally left behind test code that caused all UDP + sends to fail on Windows. This has now been fixed.</p> + <p> + Own Id: OTP-15422 Aux Id: OTP-15747 </p> + </item> + <item> + <p> + In the socket nif, used invalid flags when if-def'ing for + supported TCP flags: TCP_MAXSEG and TCP_NODELAY (the + support function).</p> + <p> + Own Id: OTP-15827</p> + </item> + <item> + <p> + Fixed memory leaks in experimental socket module.</p> + <p> + Own Id: OTP-15830</p> + </item> + <item> + <p> + <c>re:run()</c> now yields when validating utf8 in a + large subject.</p> + <p> + Own Id: OTP-15836 Aux Id: ERL-876 </p> + </item> + <item> + <p> + Fixed bug in <c>seq_trace:set_token(label,Term)</c> which + could cause VM crash if <c>Term</c> was heap allocated + (not an atom, small integer, local pid or port). Bug + exists since OTP 21.0 when terms other than small + integers were first allowed as labels.</p> + <p> + Own Id: OTP-15849 Aux Id: ERL-700 </p> + </item> + <item> + <p> + Extra <c>-mode</c> flags given to <c>erl</c> are ignored + with a warning.</p> + <p> + Own Id: OTP-15852</p> + </item> + <item> + <p> + Don't loop indefinitely when <c>--enable-pgo</c> is given + to configure, but compiler does not support pgo.</p> + <p> + Own Id: OTP-15853 Aux Id: PR-2254 </p> + </item> + <item> + <p> + Fix <c>seq_trace:print/2</c> not to raise <c>badarg</c> + exception if label is not a small integer. Bug exists + since OTP 21.0.</p> + <p> + Own Id: OTP-15859 Aux Id: ERL-700 </p> + </item> + <item> + <p> + Fixed hipe_flush_icache_range for non-Linux OS on ARM.</p> + <p> + Own Id: OTP-15874 Aux Id: ERL-958, PR-2266 </p> + </item> + <item> + <p>The fix in OTP-15871 was too conservative and disabled + the offending load-time optimization in some cases where + it was safe.</p> + <p> + Own Id: OTP-15881</p> + </item> + <item> + <p> + Upgraded the ERTS internal PCRE library from version 8.42 + to version 8.43. See <url + href="http://pcre.org/original/changelog.txt">http://pcre.org/original/changelog.txt</url> + for information about changes made to PCRE. This library + implements major parts of the <seealso + marker="stdlib:re"><c>re</c></seealso> regular + expressions module.</p> + <p> + Own Id: OTP-15889</p> + </item> + <item> + <p> + Fix race condition when closing a socket while using + <c>{active,N}</c> on Windows.</p> + <p> + Own Id: OTP-15901 Aux Id: ERL-960 PR-2272 </p> + </item> + <item> + <p> + Allow more than one <c>-config</c> command line option to + <c>erl</c> on Windows to conform with other OS.</p> + <p> + Own Id: OTP-15918 Aux Id: ERL-912 </p> + </item> + <item> + <p> + Fix so that ERL_FLAGS environment variable does not + interfere with command line arguments. Before this fix + you could write:</p> + <p> + <c>ERL_FLAGS="10" erl +S</c></p> + <p> + and erlang would start as if <c>+S</c> had been given the + argument <c>10</c>.</p> + <p> + Own Id: OTP-15931</p> + </item> + <item> + <p> + The bug with ID ERL-717 has been fixed. The functions + <c>io:columns()</c> and <c>io:rows()</c> only worked + correctly inside interactive erlang shells before this + fix. These functions returned <c>{error,enotsup}</c> + before this fix even if stdout and stdin were connected + to a terminal when they were invoked from an escript or a + program started with e.g., <c>erl -noshell</c>.</p> + <p> + Own Id: OTP-15959 Aux Id: ERL-717 </p> + </item> + <item> + <p> + Do not use named label in <c>ethread.c</c> inline + assemble. This allows erts to be compiled using gcc 9.1.0 + with LTO enabled.</p> + <p> + Own Id: OTP-15971 Aux Id: PR-2333 </p> + </item> + <item> + <p><c>erlang:fun_to_list/1</c> will now escape the module + and function name when necessary.</p> + <p> + Own Id: OTP-15975 Aux Id: ERL-1009 </p> + </item> + <item> + <p><c>process_info(P,binary)</c> would neglect to look + through heap fragments, potentially missing a few + binaries associated with the process.</p> + <p> + Own Id: OTP-15978 Aux Id: ERIERL-366 </p> + </item> + <item> + <p> + HiPE is now automatically disabled on systems with + non-glibc implementation (for instance musl). This is + because musl does not provide the API's for guaranteeing + that signals are delivered on the correct native stack.</p> + <p> + Own Id: OTP-16037</p> + </item> + <item> + <p> + Fixed bug triggered if a process is killed during call to + <c>persistent_term:put</c> or + <c>persistent_term:erase</c>.</p> + <p> + Own Id: OTP-16041</p> + </item> + <item> + <p> + Add units to all memory slogans in the crash dump + documentation.</p> + <p> + Own Id: OTP-16042</p> + </item> + <item> + <p> + Fix a bug in <c>binary_to_term</c> that would crash the + emulator if a term larger than 16GB was to be decoded.</p> + <p> + Own Id: OTP-16058 Aux Id: PR-2382 </p> + </item> + <item> + <p> + Fixed bug related to an exiting process sending EXIT and + DOWN signals to remote linked/monitored processes. Bugs + exists since OTP 22.0.</p> + <p> + Own Id: OTP-16060</p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p><c>erlc</c> can now automatically use a compile server + to avoid starting an Erlang system for each file to be + compiled in a multi-file project. See the documentation + for how to enable it.</p> + <p> + Own Id: OTP-15738 Aux Id: PR-2361 </p> + </item> + <item> + <p> + The possibility to send ancillary data, in particular the + TOS field, has been added to <c>gen_udp:send/4,5</c>.</p> + <p> + Own Id: OTP-15747 Aux Id: ERIERL-294 </p> + </item> + <item> + <p> + The net module has been split into 'net' (kernel) and + prim_net (preloaded).</p> + <p> + Own Id: OTP-15765</p> + </item> + <item> + <p> + Socket counters now works as expected and can also be + extracted with the (new) info function.</p> + <p> + Own Id: OTP-15818</p> + </item> + <item> + <p> + <c>re:run()</c> now avoids validating utf8 in the subject + more than once in the same call. This validation could + previously be performed multiple times when the + <c>global</c> option was passed.</p> + <p> + Own Id: OTP-15831 Aux Id: ERL-876 </p> + </item> + <item> + <p> + The un-documented function <c>erlang:dist_get_stat/1</c> + now returns the real value of what the distribution queue + contains instead of a boolean.</p> + <p> + Own Id: OTP-15905 Aux Id: PR-2270 </p> + </item> + <item> + <p> + ETS <c>ordered_set</c> tables with + <c>write_concurrency</c> enabled has got a performance + issue fixed. There were no limits for the values of + internal statistics counters before this fix. This could + result in that the data structure sometimes reacted + slowly to a change in how many parallel processes were + using it.</p> + <p> + Own Id: OTP-15906</p> + </item> + <item> + <p> + Optimize the reception of large distribution messages.</p> + <p> + Own Id: OTP-15926 Aux Id: PR-2291 </p> + </item> + <item> + <p>Binary matching and functions like + <c>split_binary/2</c> will now create heap binaries when + the results are small enough, reducing the chances of + small sub-binaries keeping large binaries alive.</p> + <p> + Own Id: OTP-15977 Aux Id: ERIERL-366 </p> + </item> + <item> + <p>Fixed rare emulator crash in + <c>instrument:allocations/0-1</c>.</p> + <p> + Own Id: OTP-15983</p> + </item> + <item> + <p> + Ports could pass very small binaries as reference counted + off heap binaries to processes. This could cause an + unnecessary large memory usage and an unnecessary load on + the binary allocator. Small binaries are now always + passed as heap binaries to processes.</p> + <p> + Own Id: OTP-16001 Aux Id: ERIERL-366 </p> + </item> + <item> + <p> + <c>unicode:characters_to_binary()</c> could return very + small binaries as reference counted off heap binaries. + This could cause an unnecessary large memory usage and an + unnecessary load on the binary allocator. Small binaries + are now always returned as heap binaries.</p> + <p> + Own Id: OTP-16002 Aux Id: ERIERL-366 </p> + </item> + <item> + <p> + Improved <c>erl_nif</c> documentation regarding + <c>on_load</c> and Erlang stub/fallback functions.</p> + <p> + Own Id: OTP-16028 Aux Id: PR-2362 </p> + </item> + <item> + <p> + New feature <c>ets:info(_, binary)</c> to get information + about all reference counted binaries kept by a table. + This is the same kind of debug information that + <c>process_info(_, binary)</c> returns for a process.</p> + <p> + Own Id: OTP-16035 Aux Id: ERIERL-366 </p> + </item> + </list> + </section> + +</section> + <section><title>Erts 10.4.4</title> <section><title>Fixed Bugs and Malfunctions</title> @@ -640,6 +965,42 @@ </section> +<section><title>Erts 10.3.5.5</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p><c>process_info(P,binary)</c> would neglect to look + through heap fragments, potentially missing a few + binaries associated with the process.</p> + <p> + Own Id: OTP-15978 Aux Id: ERIERL-366 </p> + </item> + <item> + <p> + Fixed bug triggered if a process is killed during call to + <c>persistent_term:put</c> or + <c>persistent_term:erase</c>.</p> + <p> + Own Id: OTP-16041</p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p>Fixed rare emulator crash in + <c>instrument:allocations/0-1</c>.</p> + <p> + Own Id: OTP-15983</p> + </item> + </list> + </section> + +</section> + <section><title>Erts 10.3.5.4</title> <section><title>Fixed Bugs and Malfunctions</title> |