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Diffstat (limited to 'lib/kernel/doc/src/notes.xml')
| -rw-r--r-- | lib/kernel/doc/src/notes.xml | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/lib/kernel/doc/src/notes.xml b/lib/kernel/doc/src/notes.xml index 81cea84cb0..b8db22aba7 100644 --- a/lib/kernel/doc/src/notes.xml +++ b/lib/kernel/doc/src/notes.xml @@ -31,6 +31,134 @@ </header> <p>This document describes the changes made to the Kernel application.</p> +<section><title>Kernel 4.0</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Fix error handling in <c>file:read_line/1</c> for Unicode + contents.</p> + <p> + Own Id: OTP-12144</p> + </item> + <item> + <p> + Introduce <c>os:getenv/2</c> which is similar to + <c>os:getenv/1</c> but returns the passed default value + if the required environment variable is undefined.</p> + <p> + Own Id: OTP-12342</p> + </item> + <item> + <p> + It is now possible to paste text in JCL mode (using + Ctrl-Y) that has been copied in the previous shell + session. Also a bug that caused the JCL mode to crash + when pasting text has been fixed.</p> + <p> + Own Id: OTP-12673</p> + </item> + <item> + <p> + Ensure that each segment of an IPv6 address when parsed + from a string has a maximum of 4 hex digits</p> + <p> + Own Id: OTP-12773</p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + New BIF: <c>erlang:get_keys/0</c>, lists all keys + associated with the process dictionary. Note: + <c>erlang:get_keys/0</c> is auto-imported.</p> + <p> + *** POTENTIAL INCOMPATIBILITY ***</p> + <p> + Own Id: OTP-12151 Aux Id: seq12521 </p> + </item> + <item> + <p> + The internal group to user_drv protocol has been changed + to be synchronous in order to guarantee that output sent + to a process implementing the user_drv protocol is + printed before replying. This protocol is used by the + standard_output device and the ssh application when + acting as a client. </p> + <p> + This change changes the previous unlimited buffer when + printing to standard_io and other devices that end up in + user_drv to 1KB.</p> + <p> + *** POTENTIAL INCOMPATIBILITY ***</p> + <p> + Own Id: OTP-12240</p> + </item> + <item> + <p>The <c>inflateInit/2</c> and <c>deflateInit/6</c> + functions now accepts a WindowBits argument equal to 8 + and -8.</p> + <p> + Own Id: OTP-12564</p> + </item> + <item> + <p> + Map error logger warnings to warning messages by default.</p> + <p> + Own Id: OTP-12755</p> + </item> + <item> + <p> + Map beam error logger warnings to warning messages by + default. Previously these messages were mapped to the + error channel by default.</p> + <p> + Own Id: OTP-12781</p> + </item> + <item> + <p> + gen_tcp:shutdown/2 is now asynchronous</p> + <p> + This solves the following problems with the old + implementation:</p> + <p> + It doesn't block when the TCP peer is idle or slow. This + is the expected behaviour when shutdown() is called: the + caller needs to be able to continue reading from the + socket, not be prevented from doing so.</p> + <p> + It doesn't truncate the output. The current version of + gen_tcp:shutdown/2 will truncate any outbound data in the + driver queue after about 10 seconds if the TCP peer is + idle of slow. Worse yet, it doesn't even inform anyone + that the data has been truncated: 'ok' is returned to the + caller; and a FIN rather than an RST is sent to the TCP + peer.</p> + <p> + *** POTENTIAL INCOMPATIBILITY ***</p> + <p> + Own Id: OTP-12797</p> + </item> + <item> + <p> + There are many cases where user code needs to be able to + distinguish between a socket that was closed normally and + one that was aborted. Setting the option + {show_econnreset, true} enables the user to receive + ECONNRESET errors on both active and passive sockets.</p> + <p> + Own Id: OTP-12843</p> + </item> + </list> + </section> + +</section> + <section><title>Kernel 3.2</title> <section><title>Fixed Bugs and Malfunctions</title> |