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authorErlang/OTP <otp@erlang.org>2015-09-21 17:09:23 +0200
committerErlang/OTP <otp@erlang.org>2015-09-21 17:09:23 +0200
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</header>
<p>This document describes the changes made to the ERTS application.</p>
+<section><title>Erts 7.1</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Fix bug in ETS that could cause stray objects marked for
+ deletion to occasionally be missed by the cleanup done by
+ <c>safe_fixtable(_,false)</c>.</p>
+ <p>
+ Own Id: OTP-12870</p>
+ </item>
+ <item>
+ <p>
+ Fixed VM crash that could occur if a trace port was
+ linked to a process, and the trace port terminated
+ abnormally while handling a trace message. This bug has
+ always existed in the runtime system with SMP support.</p>
+ <p>
+ Own Id: OTP-12901</p>
+ </item>
+ <item>
+ <p>
+ Instead of aborting, the vm now creates a crash dump when
+ a system process is terminated.</p>
+ <p>
+ Own Id: OTP-12934</p>
+ </item>
+ <item>
+ <p>
+ Fixed a rare emulator dead lock that occurred when
+ erlang:process_flag(priority,...) was called by a process
+ that was also scheduled for an internal system activity.</p>
+ <p>
+ Own Id: OTP-12943</p>
+ </item>
+ <item>
+ <p>
+ The runtime system on various posix platforms (except for
+ Linux and Solaris) could crash when large amounts of
+ file-descriptors were in use.</p>
+ <p>
+ Own Id: OTP-12954</p>
+ </item>
+ <item>
+ <p>
+ A beam file compiled by hipe for an incompatible runtime
+ system was sometimes not rejected by the loader, which
+ could lead to vm crash. This fix will also allow the same
+ hipe compiler to be used by both normal and debug-built
+ vm.</p>
+ <p>
+ Own Id: OTP-12962</p>
+ </item>
+ <item>
+ <p>
+ Fix bug in <c>maps:merge/2</c> when called by hipe
+ compiled code that could cause vm crash. Bug exists since
+ erts-7.0 (OTP 18.0).</p>
+ <p>
+ Own Id: OTP-12965</p>
+ </item>
+ <item>
+ <p>
+ When tracing with <c>process_dump</c> option, the VM
+ could abort if there was an ongoing binary match
+ somewhere in the call stack of the traced process.</p>
+ <p>
+ Own Id: OTP-12968</p>
+ </item>
+ <item>
+ <p>
+ Fixed possible output deadlock in tty driver when hitting
+ "CTRL-C" in a non-smp emulator shell on unix.</p>
+ <p>
+ Own Id: OTP-12987 Aux Id: Seq12947 </p>
+ </item>
+ <item>
+ <p>
+ Fix <c>binary_to_integer</c> to throw badarg for "+" and
+ "-" similar to <c>list_to_integer</c>.</p>
+ <p>
+ Own Id: OTP-12988</p>
+ </item>
+ <item>
+ <p>
+ Suppress warning of unused argument when using macro
+ enif_make_pid.</p>
+ <p>
+ Own Id: OTP-12989</p>
+ </item>
+ </list>
+ </section>
+
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>
+ Changed default clock source used for OS system time on
+ MacOS X to <c>gettimeofday()</c> in order to improve
+ performance. The system can be configured during build to
+ use the previously used higher resolution clock source by
+ passing the switch <seealso
+ marker="doc/installation_guide:INSTALL#Advanced-configuration-and-build-of-ErlangOTP_Configuring"><c>--with-clock-resolution=high</c></seealso>
+ when configuring the build.</p>
+ <p>
+ Own Id: OTP-12945 Aux Id: OTP-12892 </p>
+ </item>
+ <item>
+ <p>
+ Added the <c>configure</c> option <seealso
+ marker="doc/installation_guide:INSTALL#Advanced-configuration-and-build-of-ErlangOTP_Configuring"><c>--disable-saved-compile-time</c></seealso>
+ which disables saving of compile date and time in the
+ emulator binary.</p>
+ <p>
+ Own Id: OTP-12971</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Erts 7.0.3</title>
<section><title>Fixed Bugs and Malfunctions</title>