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Diffstat (limited to 'lib/kernel/doc')
| -rw-r--r-- | lib/kernel/doc/src/notes.xml | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/lib/kernel/doc/src/notes.xml b/lib/kernel/doc/src/notes.xml index 7127a59a0c..e1cf45109d 100644 --- a/lib/kernel/doc/src/notes.xml +++ b/lib/kernel/doc/src/notes.xml @@ -31,6 +31,161 @@ </header> <p>This document describes the changes made to the Kernel application.</p> +<section><title>Kernel 5.3</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p>Function <c>inet:ntoa/1</c> has been fixed to return + lowercase letters according to RFC 5935 that has been + approved after this function was written. Previously + uppercase letters were returned so this may be a + backwards incompatible change depending on how the + returned address string is used.</p> + <p>Function <c>inet:parse_address/1</c> has been fixed to + accept %-suffixes on scoped addresses. The addresses does + not work yet, but gives no parse errors.</p> + <p> + *** POTENTIAL INCOMPATIBILITY ***</p> + <p> + Own Id: OTP-13006 Aux Id: ERIERL-20, ERL-429 </p> + </item> + <item> + <p> + Fix bug where gethostname would incorrectly fail with + enametoolong on Linux.</p> + <p> + Own Id: OTP-14310</p> + </item> + <item> + <p> + Fix bug causing <c>code:is_module_native</c> to falsely + return true when <c>local</c> call trace is enabled for + the module.</p> + <p> + Own Id: OTP-14390</p> + </item> + <item> + <p> + Add early reject of invalid node names from distributed + nodes.</p> + <p> + Own Id: OTP-14426</p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + Since Unicode is now allowed in atoms an extra check is + needed for node names, which are restricted to Latin-1.</p> + <p> + Own Id: OTP-13805</p> + </item> + <item> + <p>Replaced usage of deprecated symbolic <seealso + marker="erts:erlang#type-time_unit"><c>time + unit</c></seealso> representations.</p> + <p> + Own Id: OTP-13831 Aux Id: OTP-13735 </p> + </item> + <item> + <p><c>file:write_file(Name, Data, [raw])</c> would turn + <c>Data</c> into a single binary before writing. This + meant it could not take advantage of the <c>writev()</c> + system call if it was given a list of binaries and told + to write with <c>raw</c> mode.</p> + <p> + Own Id: OTP-13909</p> + </item> + <item> + <p>The performance of the <c>disk_log</c> has been + somewhat improved in some corner cases (big items), and + the documentation has been clarified. </p> + <p> + Own Id: OTP-14057 Aux Id: PR-1245 </p> + </item> + <item> + <p>Functions for detecting changed code has been added. + <c>code:modified_modules/0</c> returns all currently + loaded modules that have changed on disk. + <c>code:module_status/1</c> returns the status for a + module. In the shell and in <c>c</c> module, <c>mm/0</c> + is short for <c>code:modified_modules/0</c>, and + <c>lm/0</c> reloads all currently loaded modules that + have changed on disk.</p> + <p> + Own Id: OTP-14059</p> + </item> + <item> + <p> + Introduce an event manager in Erlang to handle OS + signals. A subset of OS signals may be subscribed to and + those are described in the Kernel application.</p> + <p> + Own Id: OTP-14186</p> + </item> + <item> + <p> Sockets can now be bound to device (SO_BINDTODEVICE) + on platforms where it is supported. </p> <p> This has + been implemented e.g to support VRF-Lite under Linux; see + <url + href="https://www.kernel.org/doc/Documentation/networking/vrf.txt"> + VRF </url>, and GitHub pull request <url + href="https://github.com/erlang/otp/pull/1326">#1326</url>. + </p> + <p> + Own Id: OTP-14357 Aux Id: PR-1326 </p> + </item> + <item> + <p> + Added option to store shell_history on disk so that the + history can be reused between sessions.</p> + <p> + Own Id: OTP-14409 Aux Id: PR-1420 </p> + </item> + <item> + <p> The size of crash reports created by + <c>gen_server</c>, <c>gen_statem</c> and <c>proc_lib</c> + is limited with aid of the Kernel application variable + <c>error_logger_format_depth</c>. The purpose is to limit + the size of the messages sent to the <c>error_logger</c> + process when processes with huge message queues or states + crash. </p> <p>The crash report generated by + <c>proc_lib</c> includes the new tag + <c>message_queue_len</c>. The neighbour report also + includes the new tag <c>current_stacktrace</c>. Finally, + the neighbour report no longer includes the tags + <c>messages</c> and <c>dictionary</c>. </p> <p> The new + function <c>error_logger:get_format_depth/0</c> can be + used to retrieve the value of the Kernel application + variable <c>error_logger_format_depth</c>. </p> + <p> + Own Id: OTP-14417</p> + </item> + <item> + <p> One of the ETS tables used by the <c>global</c> + module is created with <c>{read_concurrency, true}</c> in + order to reduce contention. </p> + <p> + Own Id: OTP-14419</p> + </item> + <item> + <p> + Warnings have been added to the relevant documentation + about not using un-secure distributed nodes in exposed + environments.</p> + <p> + Own Id: OTP-14425</p> + </item> + </list> + </section> + +</section> + <section><title>Kernel 5.2</title> <section><title>Fixed Bugs and Malfunctions</title> |