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-rw-r--r--erts/doc/src/crash_dump.xml5
-rw-r--r--erts/doc/src/erl.xml20
-rw-r--r--erts/doc/src/erl_driver.xml3
-rw-r--r--erts/doc/src/erl_ext_dist.xml5
-rw-r--r--erts/doc/src/erlang.xml16
-rw-r--r--erts/doc/src/zlib.xml2
6 files changed, 43 insertions, 8 deletions
diff --git a/erts/doc/src/crash_dump.xml b/erts/doc/src/crash_dump.xml
index d3de29b876..2b5fc877c3 100644
--- a/erts/doc/src/crash_dump.xml
+++ b/erts/doc/src/crash_dump.xml
@@ -115,8 +115,9 @@
sockets/pipes can be used simultaneously by Erlang (due to
limitations in the Unix <c><![CDATA[select]]></c> call). The number of
open regular files is not affected by this.</item>
- <item>"Received SIGUSR1" - The SIGUSR1 signal was sent to the
- Erlang machine (Unix only).</item>
+ <item>"Received SIGUSR1" - Sending the SIGUSR1 signal to a
+ Erlang machine (Unix only) forces a crash dump. This slogan reflects
+ that the Erlang machine crash-dumped due to receiving that signal.</item>
<item>"Kernel pid terminated (<em>Who</em>)
(<em>Exit-reason</em>)" - The kernel supervisor has detected
a failure, usually that the <c><![CDATA[application_controller]]></c>
diff --git a/erts/doc/src/erl.xml b/erts/doc/src/erl.xml
index f856b9ab86..d11f6b0c6d 100644
--- a/erts/doc/src/erl.xml
+++ b/erts/doc/src/erl.xml
@@ -525,7 +525,8 @@
core dump and no crash dump if an internal error is detected.</p>
<p>Calling <c>erlang:halt/1</c> with a string argument will still
- produce a crash dump.</p>
+ produce a crash dump. On Unix systems, sending an emulator process
+ a SIGUSR1 signal will also force a crash dump.</p>
</item>
<tag><marker id="+e"><c><![CDATA[+e Number]]></c></marker></tag>
<item>
@@ -1141,6 +1142,23 @@
<p>For more information, see
<seealso marker="erlang#system_info_cpu_topology">erlang:system_info(cpu_topology)</seealso>.</p>
</item>
+ <tag><marker id="+secio"><c>+secio true|false</c></marker></tag>
+ <item>
+ <p>Enable or disable eager check I/O scheduling. The default
+ is currently <c>false</c>, but will most likely be changed
+ to <c>true</c> in OTP 18. The behaviour before this flag
+ was introduced corresponds to <c>+secio false</c>.</p>
+ <p>The flag effects when schedulers will check for I/O
+ operations possible to execute, and when such I/O operations
+ will execute. As the name of the parameter implies,
+ schedulers will be more eager to check for I/O when
+ <c>true</c> is passed. This however also implies that
+ execution of outstanding I/O operation will not be
+ prioritized to the same extent as when <c>false</c> is
+ passed.</p>
+ <p><seealso marker="erlang#system_info_eager_check_io"><c>erlang:system_info(eager_check_io)</c></seealso>
+ returns the value of this parameter used when starting the VM.</p>
+ </item>
<tag><marker id="+sfwi"><c>+sfwi Interval</c></marker></tag>
<item>
<p>Set scheduler forced wakeup interval. All run queues will
diff --git a/erts/doc/src/erl_driver.xml b/erts/doc/src/erl_driver.xml
index 4a1aab75c7..77fc906aca 100644
--- a/erts/doc/src/erl_driver.xml
+++ b/erts/doc/src/erl_driver.xml
@@ -2033,7 +2033,8 @@ ERL_DRV_MAP int sz
entry function is called. If <c>ready_async</c> is null in
the driver entry, the <c>async_free</c> function is called
instead.</p>
- <p>The return value is a handle to the asynchronous task.</p>
+ <p>The return value is -1 if the <c>driver_async</c> call
+ fails.</p>
<note>
<p>As of erts version 5.5.4.3 the default stack size for
threads in the async-thread pool is 16 kilowords,
diff --git a/erts/doc/src/erl_ext_dist.xml b/erts/doc/src/erl_ext_dist.xml
index fa083db4c7..a6e7dddbed 100644
--- a/erts/doc/src/erl_ext_dist.xml
+++ b/erts/doc/src/erl_ext_dist.xml
@@ -126,9 +126,8 @@
However, only characters that can be encoded using Latin1 (ISO-8859-1)
are currently supported in atoms. The support for UTF-8 encoded atoms
in the external format has been implemented in order to be able to support
- all Unicode characters in atoms in <em>some future release</em>. Full
- support for Unicode atoms will not happen before OTP-R18, and might
- be introduced even later than that. Until full Unicode support for
+ all Unicode characters in atoms in <em>some future release</em>.
+ Until full Unicode support for
atoms has been introduced, it is an <em>error</em> to pass atoms containing
characters that cannot be encoded in Latin1, and <em>the behavior is
undefined</em>.</p>
diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml
index 84168397f6..483d81cfb6 100644
--- a/erts/doc/src/erlang.xml
+++ b/erts/doc/src/erlang.xml
@@ -5775,6 +5775,7 @@ ok
<name name="system_info" arity="1" clause_i="52"/>
<name name="system_info" arity="1" clause_i="53"/>
<name name="system_info" arity="1" clause_i="54"/>
+ <name name="system_info" arity="1" clause_i="55"/>
<fsummary>Information about the system</fsummary>
<desc>
<p>Returns various information about the current system
@@ -5970,6 +5971,16 @@ ok
The return value will always be <c>false</c> since
the elib_malloc allocator has been removed.</p>
</item>
+ <tag><marker id="system_info_eager_check_io"><c>eager_check_io</c></marker></tag>
+ <item>
+ <p>
+ Returns the value of the <c>erl</c>
+ <seealso marker="erl#+secio">+secio</seealso> command line
+ flag which is either <c>true</c> or <c>false</c>. See the
+ documentation of the command line flag for information about
+ the different values.
+ </p>
+ </item>
<tag><c>ets_limit</c></tag>
<item>
<p>Returns the maximum number of ETS tables allowed. This limit
@@ -6133,6 +6144,11 @@ ok
<seealso marker="#system_info_multi_scheduling">erlang:system_info(multi_scheduling)</seealso>, and
<seealso marker="#system_info_schedulers">erlang:system_info(schedulers)</seealso>.</p>
</item>
+ <tag><c>nif_version</c></tag>
+ <item>
+ <p>Returns a string containing the erlang NIF version
+ used by the runtime system. It will be on the form "&lt;major ver&gt;.&lt;minor ver&gt;".</p>
+ </item>
<tag><marker id="system_info_otp_release"><c>otp_release</c></marker></tag>
<item>
<p>Returns a string containing the OTP release number of the
diff --git a/erts/doc/src/zlib.xml b/erts/doc/src/zlib.xml
index 11a7437f5a..da8ccdecdf 100644
--- a/erts/doc/src/zlib.xml
+++ b/erts/doc/src/zlib.xml
@@ -302,7 +302,7 @@ list_to_binary([B1,B2])</pre>
<fsummary>Decompress data</fsummary>
<desc>
<p><c>inflate/2</c> decompresses as much data as possible.
- It may some introduce some output latency (reading
+ It may introduce some output latency (reading
input without producing any output).</p>
<p>If a preset dictionary is needed at this point (see
<c>inflateSetDictionary</c> below), <c>inflate/2</c> throws a