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1 parent c5a0044 commit 952db27ba0a5b87a2a47f3a7034a9bf92e3651e5 Erlang/OTP committed Sep 3, 2012
Showing with 1,785 additions and 21 deletions.
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@@ -30,6 +30,355 @@
</header>
<p>This document describes the changes made to the ERTS application.</p>
+<section><title>Erts 5.9.2</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Fix erl_prim_loader errors in handling of primary
+ archive. The following errors have been corrected:</p>
+ <p>
+ <list> <item> If primary archive was named "xxx", then a
+ file in the same directory named "xxxyyy" would be
+ interpreted as a file named "yyy" inside the archive.
+ </item> <item> erl_prim_loader did not correctly create
+ and normalize absolute paths for primary archive and
+ files inside it, so unless given with exact same path
+ files inside the archive would not be found. E.g. if
+ escript was started as /full/path/to/xxx then
+ "./xxx/file" would not be found since erl_prim_loader
+ would try to match /full/path/to/xxx with
+ /full/path/to/./xxx. Same problem with ../. </item>
+ <item> Depending on how the primary archive was built,
+ erl_prim_loader:list_dir/1 would sometimes return an
+ empty string inside the file list. This was a virtual
+ element representing the top directory of the archive.
+ This has been removed. </item> </list></p>
+ <p>
+ Thanks to Tuncer Ayaz and Shunichi Shinohara for
+ reporting and co-authoring corrections.</p>
+ <p>
+ Own Id: OTP-10071</p>
+ </item>
+ <item>
+ <p>Fix: Add port-I/O statistics for active once and true
+ and not only active false.</p>
+ <p>
+ Own Id: OTP-10073</p>
+ </item>
+ <item>
+ <p>
+ The 64-bit windows installer did not look in the right
+ directories for 64-bit version of Microsoft Visual C++
+ 2010 Redistibutable Package and hence took the wrong
+ decision about having to install the redistributable
+ package if the 32-bit version was installed but not the
+ 64-bit and vice versa. This bug has now been fixed
+ Furthermore the sub-installer for the redistributable
+ package is now run in silent mode if the erlang installer
+ is.</p>
+ <p>
+ Own Id: OTP-10096</p>
+ </item>
+ <item>
+ <p>
+ epmd would fail to start automatically when starting a
+ distributed erlang node installed in a location with a
+ whitespace in the path.</p>
+ <p>
+ Own Id: OTP-10106</p>
+ </item>
+ <item>
+ <p>
+ A more or less harmless bug that sometimes caused memory
+ deallocations to be delayed longer than intended has been
+ fixed.</p>
+ <p>
+ Own Id: OTP-10116</p>
+ </item>
+ <item>
+ <p>
+ Fix bug causing emulator crash when running HiPE on ARM.
+ Bug has existed since R15B.</p>
+ <p>
+ Own Id: OTP-10137</p>
+ </item>
+ <item>
+ <p> A bug regarding spaces in C function prototypes has
+ been fixed. (Thanks to Richard O'Keefe.) </p>
+ <p>
+ Own Id: OTP-10138</p>
+ </item>
+ <item>
+ <p>
+ Corrected dtrace pid length in message related probes.
+ (Thanks to Zheng Siyao)</p>
+ <p>
+ Own Id: OTP-10142</p>
+ </item>
+ <item>
+ <p>
+ Correct formating in exit error messages</p>
+ <p>
+ Ensure displayed sizes are not negative. (Thanks to
+ Michael Santos)</p>
+ <p>
+ Own Id: OTP-10148</p>
+ </item>
+ <item>
+ <p>
+ fix escript/primary archive reloading</p>
+ <p>
+ If the mtime of an escript/primary archive file changes
+ after being added to the code path, correctly reload the
+ archive and update the cache. (Thanks to Tuncer Ayaz)</p>
+ <p>
+ Own Id: OTP-10151</p>
+ </item>
+ <item>
+ <p>
+ Doc fix: link from erlang:now/0 to os:timestamp/0</p>
+ <p>
+ Sometimes os:timestamp/0 is more appropriate than
+ erlang:now/0. The documentation for the former has a link
+ to the latter; this patch adds a link in the other
+ direction to make os:timestamp/0 more visible. Thanks to
+ Magnus Henoch</p>
+ <p>
+ Own Id: OTP-10180</p>
+ </item>
+ <item>
+ <p>
+ The caret in the werl window (on Windows) could appear at
+ the wrong place after regaining focus. This is now
+ corrected.</p>
+ <p>
+ Own Id: OTP-10181</p>
+ </item>
+ <item>
+ <p>
+ Fix bug that in some cases could cause corrupted binaries
+ in ETS tables with <c>compressed</c> option.</p>
+ <p>
+ Own Id: OTP-10182</p>
+ </item>
+ <item>
+ <p>
+ Fix use of "clever" mktime</p>
+ <p>
+ Commit 1eef765 introduced regression (conditional
+ _always_ evaluates to true) in which
+ erlang:localtime_to_universaltime/2 stopped working on
+ systems configured with timezone without DST (i.e. UTC)
+ on *BSD platforms: 1>
+ erlang:localtime_to_universaltime({{2012,1,1},{0,0,0}},
+ true). ** exception error: bad argument Thanks to Piotr
+ Sikora</p>
+ <p>
+ Own Id: OTP-10187</p>
+ </item>
+ <item>
+ <p>
+ Relocate bodies of DTrace probes to the statically-linked
+ VM.</p>
+ <p>
+ Due to various operating systems (in both the DTrace and
+ SystemTap worlds) not fully supporting DTrace probes (or
+ SystemTap-compatibility mode probes) in shared libraries,
+ we relocate those probes to the statically-linked virtual
+ machine. This could be seen as pollution of the pristine
+ VM by a (yet) experimental feature. However:</p>
+ <p>
+ 1. This code can be eliminated completely by the C
+ preprocessor. 2. Leaving the probes in the dyntrace NIF
+ shared library simply does not work correctly on too many
+ platforms. *Many* thanks to Macneil Shonle at Basho for
+ assisting when my RSI-injured fingers gave out. (note:
+ Solaris 10 and FreeBSD 9.0-RELEASE can take a long time
+ to compile)</p>
+ <p>
+ Own Id: OTP-10189</p>
+ </item>
+ <item>
+ <p>
+ Fix bug in <c>ets:test_ms/2</c> that could cause emulator
+ crash when using <c>'$_'</c> in match spec.</p>
+ <p>
+ Own Id: OTP-10190</p>
+ </item>
+ <item>
+ <p>
+ Supplying a filename longer than the operating system
+ MAX_PATH to file:read_link/1 would cause a crash
+ (Segemntation fault/Critical Error) on all platforms.
+ This is now corrected.</p>
+ <p>
+ Own Id: OTP-10200</p>
+ </item>
+ <item>
+ <p>
+ If Perl was configured to interpret files as being
+ encoded in UTF-8, the build would crash in
+ <c>make_preload</c>. (Thanks to Aaron Harnly for noticing
+ this issue.)</p>
+ <p>
+ Own Id: OTP-10201</p>
+ </item>
+ <item>
+ <p>
+ Fix the erlc -MP flag</p>
+ <p>
+ Because of a copy-and-paste error in erlc.c, the -MP flag
+ had the same effect as -MG. As a workaround, you had to
+ pass +makedep_phony to enable the MP option. This patch
+ makes -MP work as intended.</p>
+ <p>
+ Own Id: OTP-10211</p>
+ </item>
+ <item>
+ <p>
+ Allow mixed IPv4 and IPv6 addresses to sctp_bindx</p>
+ <p>
+ Also allow mixed address families to bind, since the
+ first address on a multihomed sctp socket must be bound
+ with bind, while the rest are to be bound using
+ sctp_bindx. At least Linux supports adding address of
+ mixing families. Make inet_set_faddress function
+ available also when HAVE_SCTP is not defined, since we
+ use it to find an address for bind to be able to mix ipv4
+ and ipv6 addresses. Thanks to Tomas Abrahamsson</p>
+ <p>
+ Own Id: OTP-10217</p>
+ </item>
+ <item>
+ <p>
+ Fix support for leap seconds-aware timezones</p>
+ <p>
+ erlang:universaltime_to_localtime is leap seconds-aware
+ (since 2008), however erlang:localtime_to_universaltime
+ is not, which gives surprising results on systems
+ configured with leap seconds-aware timezones: 1>
+ erlang:universaltime_to_localtime({{2012,1,1},{0,0,0}}).
+ {{2012,1,1},{0,0,0}} 2>
+ erlang:localtime_to_universaltime({{2012,1,1},{0,0,0}}).
+ {{2012,1,1},{0,0,24}} and completely breaks
+ calendar:local_time_to_universal_time_dst: 3>
+ calendar:local_time_to_universal_time_dst({{2011,1,1},{0,0,0}}).
+ [] Thanks to Piotr Sikora</p>
+ <p>
+ Own Id: OTP-10227</p>
+ </item>
+ <item>
+ <p>
+ erlsrv: gracefully stop emulator on Windows shutdown</p>
+ <p>
+ Windows will send the SERVICE_CONTROL_SHUTDOWN event to
+ the service control handler when shutting down the
+ system. Instead of ignoring the event, erlsrv will now
+ invoke the stop action. Likewise, the Erlang emulator
+ (and it's po drivers) must not quit upon reception of the
+ CTRL_SHUTDOWN_EVENT event in th console control handler.
+ Thanks to Jan Kloetzke</p>
+ <p>
+ Own Id: OTP-10228</p>
+ </item>
+ <item>
+ <p>
+ Fix dtrace bug in file rename operation.</p>
+ <p>
+ Own Id: OTP-10234</p>
+ </item>
+ <item>
+ <p>
+ Fix bug in memory management of driver port data locks
+ (PDL). In some cases PDLs could be deallocated before
+ <c>ready_async</c> or <c>async_free</c> callback was
+ called.</p>
+ <p>
+ Own Id: OTP-10249</p>
+ </item>
+ </list>
+ </section>
+
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>Add port and suspend options to lock-counter
+ profiling. (Thanks to Rick Reed)</p>
+ <p>
+ Own Id: OTP-10051</p>
+ </item>
+ <item>
+ <p>
+ Latency when using the active_once option in gen_tcp
+ communication is reduced.</p>
+ <p>
+ Own Id: OTP-10055 Aux Id: sto139 </p>
+ </item>
+ <item>
+ <p>Remove bit8 option support from inet</p>
+ <p>
+ Own Id: OTP-10056</p>
+ </item>
+ <item>
+ <p>
+ The OS Pid of a port program is now available by calling
+ erlang:port_info(Port,os_pid), Thanks to Matthias Lang
+ for the original patch.</p>
+ <p>
+ Own Id: OTP-10057</p>
+ </item>
+ <item>
+ <p>
+ Fix openpty usage in run_erl. </p>
+ <p>
+ Reopening a slave file descriptor which was closed
+ earlier could lead to a misbehaving connection. This has
+ now been remedied.</p>
+ <p>
+ Own Id: OTP-10076</p>
+ </item>
+ <item>
+ <p>
+ Remove all code, documentation, options and diagnostic
+ functions which were related to the experimental hybrid
+ heap implementation.</p>
+ <p>
+ Own Id: OTP-10105</p>
+ </item>
+ <item>
+ <p>
+ Optimizations of memory deallocations.</p>
+ <p>
+ Own Id: OTP-10162 Aux Id: OTP-7775 </p>
+ </item>
+ <item>
+ <p>
+ Optimization of process locking.</p>
+ <p>
+ Own Id: OTP-10163</p>
+ </item>
+ <item>
+ <p>
+ Added a xcomp example file for powerpc-dso-linux-gnu</p>
+ <p>
+ Own Id: OTP-10198</p>
+ </item>
+ <item>
+ <p>
+ Detect when middle endian doubles are used by a platform
+ and account for it when decoding floats. (Thanks to Mike
+ Sperber)</p>
+ <p>
+ Own Id: OTP-10209</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Erts 5.9.1.2</title>
<section><title>Fixed Bugs and Malfunctions</title>
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