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authorErlang/OTP <[email protected]>2018-09-24 11:32:41 +0200
committerErlang/OTP <[email protected]>2018-09-24 11:32:41 +0200
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</header>
<p>This document describes the changes made to the Kernel application.</p>
+<section><title>Kernel 6.1</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ The values <c>all</c> and <c>none</c> are documented as
+ valid value for the Kernel configuration parameter
+ <c>logger_level</c>, but would cause a crash during node
+ start. This is now corrected.</p>
+ <p>
+ Own Id: OTP-15143</p>
+ </item>
+ <item>
+ <p>
+ Fix some potential buggy behavior in how ticks are sent
+ on inter node distribution connections. Tick is now sent
+ to c-node even if there are unsent buffered data, as
+ c-nodes need ticks in order to send reply ticks. The
+ amount of sent data was also calculated wrongly when
+ ticks were suppressed due to unsent buffered data.</p>
+ <p>
+ Own Id: OTP-15162 Aux Id: ERIERL-191 </p>
+ </item>
+ <item>
+ <p>
+ Non semantic change in dist_util.erl to silence dialyzer
+ warning.</p>
+ <p>
+ Own Id: OTP-15170</p>
+ </item>
+ <item>
+ <p>
+ Fixed <c>net_kernel:connect_node(node())</c> to return
+ <c>true</c> (and do nothing) as it always has before
+ OTP-21.0. Also documented this successful "self connect"
+ as the expected behavior.</p>
+ <p>
+ Own Id: OTP-15182 Aux Id: ERL-643 </p>
+ </item>
+ <item>
+ <p>
+ The single_line option on logger_formatter would in some
+ cases add an unwanted comma after the association arrows
+ in a map. This is now corrected.</p>
+ <p>
+ Own Id: OTP-15228</p>
+ </item>
+ <item>
+ <p>
+ Improved robustness of distribution connection setup. In
+ OTP-21.0 a truly asynchronous connection setup was
+ introduced. This is further improvement on that work to
+ make the emulator more robust and also be able to recover
+ in cases when involved Erlang processes misbehave.</p>
+ <p>
+ Own Id: OTP-15297 Aux Id: OTP-15279, OTP-15280 </p>
+ </item>
+ </list>
+ </section>
+
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>
+ A new macro, <c>?LOG(Level,...)</c>, is added. This is
+ equivalent to the existing <c>?LOG_&lt;LEVEL&gt;(...)</c>
+ macros.</p>
+ <p>
+ A new variant of Logger report callback is added, which
+ takes an extra argument containing options for size
+ limiting and line breaks. Module <c>proc_lib</c> in
+ <c>STDLIB</c> uses this for crash reports.</p>
+ <p>
+ Logger configuration is now checked a bit more for
+ errors.</p>
+ <p>
+ Own Id: OTP-15132</p>
+ </item>
+ <item>
+ <p>
+ The socket options <c>recvtos</c>, <c>recvttl</c>,
+ <c>recvtclass</c> and <c>pktoptions</c> have been
+ implemented in the socket modules. See the documentation
+ for the <c>gen_tcp</c>, <c>gen_udp</c> and <c>inet</c>
+ modules. Note that support for these in the runtime
+ system is platform dependent. Especially for
+ <c>pktoptions</c> which is very Linux specific and
+ obsoleted by the RFCs that defined it.</p>
+ <p>
+ Own Id: OTP-15145 Aux Id: ERIERL-187 </p>
+ </item>
+ <item>
+ <p>
+ Add <c>logger:set_application_level/2</c> for setting the
+ logger level of all modules in one application.</p>
+ <p>
+ Own Id: OTP-15146</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Kernel 6.0.1</title>
<section><title>Fixed Bugs and Malfunctions</title>