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Diffstat (limited to 'lib/kernel/doc/src/notes.xml')
| -rw-r--r-- | lib/kernel/doc/src/notes.xml | 207 |
1 files changed, 203 insertions, 4 deletions
diff --git a/lib/kernel/doc/src/notes.xml b/lib/kernel/doc/src/notes.xml index b8db22aba7..cf5777d4be 100644 --- a/lib/kernel/doc/src/notes.xml +++ b/lib/kernel/doc/src/notes.xml @@ -31,6 +31,190 @@ </header> <p>This document describes the changes made to the Kernel application.</p> +<section><title>Kernel 4.2</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p><c>code:load_abs([10100])</c> would bring down the + entire runtime system and create a crash dump. Corrected + to generate an error exception in the calling + process.</p> + <p>Also corrected specs for code loading functions and + added more information in the documentation about the + error reasons returned by code-loading functions.</p> + <p> + Own Id: OTP-9375</p> + </item> + <item> + <p> + <seealso + marker="kernel:gen_tcp#accept/2"><c>gen_tcp:accept/2</c></seealso> + was not <seealso + marker="erts:time_correction#Time_Warp_Safe_Code">time + warp safe</seealso>. This since it used the same time as + returned by <seealso + marker="erts:erlang#now/0"><c>erlang:now/0</c></seealso> + when calculating timeout. This has now been fixed.</p> + <p> + Own Id: OTP-13254 Aux Id: OTP-11997, OTP-13222 </p> + </item> + <item> + <p> Correct the contract for <c>inet:getifaddrs/1</c>. + </p> + <p> + Own Id: OTP-13335 Aux Id: ERL-95 </p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + Time warp safety improvements.</p> + <p> + Introduced the options <c>monotonic_timestamp</c>, and + <c>strict_monotonic_timestamp</c> to the trace, + sequential trace, and system profile functionality. This + since the already existing <c>timestamp</c> option is not + time warp safe.</p> + <p> + Introduced the option <c>safe_fixed_monotonic_time</c> to + <c>ets:info/2</c> and <c>dets:info/2</c>. This since the + already existing <c>safe_fixed</c> option is not time + warp safe.</p> + <p> + Own Id: OTP-13222 Aux Id: OTP-11997 </p> + </item> + <item> + <p> + Add validation callback for heart</p> + <p> + The erlang heart process may now have a validation + callback installed. The validation callback will be + executed, if present, before any heartbeat to heart port + program. If the validation fails, or stalls, no heartbeat + will be sent and the node will go down.</p> + <p> + With the option <c>'check_schedulers'</c> heart executes + a responsiveness check of the schedulers before a + heartbeat is sent to the port program. If the + responsiveness check fails, the heartbeat will not be + performed (as intended).</p> + <p> + Own Id: OTP-13250</p> + </item> + <item> + <p> + Clarify documentation of <c>net_kernel:allow/1</c></p> + <p> + Own Id: OTP-13299</p> + </item> + <item> + <p> + EPMD supports both IPv4 and IPv6</p> + <p> + Also affects oldest supported windows version.</p> + <p> + Own Id: OTP-13364</p> + </item> + </list> + </section> + +</section> + +<section><title>Kernel 4.1.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Host name lookups though inet_res, the Erlang DNS + resolver, are now done case insensitively according to + RFC 4343. Patch by Holger Weiß.</p> + <p> + Own Id: OTP-12836</p> + </item> + <item> + <p> + IPv6 distribution handler has been updated to share code + with IPv4 so that all features are supported in IPv6 as + well. A bug when using an IPv4 address as hostname has + been fixed.</p> + <p> + Own Id: OTP-13040</p> + </item> + <item> + <p> + Caching of host names in the internal DNS resolver + inet_res has been made character case insensitive for + host names according to RFC 4343.</p> + <p> + Own Id: OTP-13083</p> + </item> + <item> + <p>Cooked file mode buffering has been fixed so + file:position/2 now works according to Posix on Posix + systems i.e. when file:position/2 returns an error the + file pointer is unaffected.</p> <p>The Windows system + documentation, however, is unclear on this point so the + documentation of file:position/2 still does not promise + anything.</p> <p>Cooked file mode file:pread/2,3 and + file:pwrite/2,3 have been corrected to honor character + encoding like the combination of file:position/2 and + file:read/2 or file:write/2 already does. This is + probably not very useful since the character + representation on the caller's side is latin1, + period.</p> + <p> + Own Id: OTP-13155 Aux Id: PR#646 </p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + Add {line_delim, byte()} option to inet:setopts/2 and + decode_packet/3</p> + <p> + Own Id: OTP-12837</p> + </item> + </list> + </section> + +</section> + +<section><title>Kernel 4.1</title> + + <section><title>Improvements and New Features</title> + <list> + <item> + <p>A mechanism for limiting the amount of text that the + built-in error logger events will produce has been + introduced. It is useful for limiting both the size of + log files and the CPU time used to produce them.</p> + <p>This mechanism is experimental in the sense that it + may be changed if it turns out that it does not solve the + problem it is supposed to solve. In that case, there may + be backward incompatible improvements to this + mechanism.</p> + <p>See the documentation for the config parameter + <c>error_logger_format_depth</c> in the Kernel + application for information about how to turn on this + feature.</p> + <p> + Own Id: OTP-12864</p> + </item> + </list> + </section> + +</section> + <section><title>Kernel 4.0</title> <section><title>Fixed Bugs and Malfunctions</title> @@ -159,6 +343,22 @@ </section> +<section><title>Kernel 3.2.0.1</title> + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p>The 'raw' socket option could not be used multiple times + in one call to any e.g gen_tcp function because only one + of the occurrences were used. This bug has been fixed, + and also a small bug concerning propagating error codes + from within inet:setopts/2.</p> + <p>Own Id: OTP-11482 Aux Id: seq12872 </p> + </item> + </list> + </section> + </section> + + <section><title>Kernel 3.2</title> <section><title>Fixed Bugs and Malfunctions</title> @@ -1192,7 +1392,7 @@ </item> <item> <p> Fix returned error from gen_tcp:accept/1,2 when - running out of ports + running out of ports.</p> <p> The {error, enfile} return value is badly misleading and confusing for this case, since the Posix ENFILE errno @@ -1201,7 +1401,7 @@ {error, system_limit}, which is consistent with e.g. various file(3) functions. inet:format_error/1 has also been updated to support system_limit in the same manner - as file:format_error/1. (Thanks to Per Hedeland)</p></p> + as file:format_error/1. (Thanks to Per Hedeland)</p> <p> Own Id: OTP-9990</p> </item> @@ -1396,7 +1596,6 @@ Own Id: OTP-9764</p> </item> <item> - <p> <list> <item><p>Correct callback spec in application module</p></item> <item><p>Refine warning about callback specs with extra ranges</p></item> <item><p>Cleanup @@ -1407,7 +1606,7 @@ analysis</p></item> <item><p>Fix crash in Dialyzer</p></item> <item><p>Variable substitution was not generalizing any unknown variables.</p></item> - </list></p> + </list> <p> Own Id: OTP-9776</p> </item> |