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authorSverker Eriksson <[email protected]>2017-02-20 20:06:28 +0100
committerSverker Eriksson <[email protected]>2017-02-20 20:06:28 +0100
commit82d3513f95198b0a4295ba866a78ae6c137a34d5 (patch)
treeb45aee60996f1054e15308defddc8e96e8ef91b8 /erts/doc/src
parent5adbf961a3c79a6782f8be8336ec26594754e9e8 (diff)
parent32a74e6c83cd110b8e8ab714be4365c0da558fca (diff)
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Merge branch 'master' into sverker/enif_select
Conflicts: erts/emulator/beam/erl_binary.h erts/emulator/beam/erl_monitors.c erts/emulator/beam/erl_nif.c erts/emulator/beam/global.h erts/emulator/test/nif_SUITE_data/nif_SUITE.c
Diffstat (limited to 'erts/doc/src')
-rw-r--r--erts/doc/src/erl.xml6
-rw-r--r--erts/doc/src/erl_driver.xml15
-rw-r--r--erts/doc/src/erl_ext_dist.xml15
-rw-r--r--erts/doc/src/erl_nif.xml2
-rw-r--r--erts/doc/src/erl_tracer.xml2
-rw-r--r--erts/doc/src/erlang.xml68
-rw-r--r--erts/doc/src/erts_alloc.xml2
-rw-r--r--erts/doc/src/notes.xml43
8 files changed, 65 insertions, 88 deletions
diff --git a/erts/doc/src/erl.xml b/erts/doc/src/erl.xml
index 4e32118405..29fef7348b 100644
--- a/erts/doc/src/erl.xml
+++ b/erts/doc/src/erl.xml
@@ -638,7 +638,7 @@
this value also applies to command-line parameters and environment
variables (see section <seealso
marker="stdlib:unicode_usage#unicode_in_environment_and_parameters">
- Unicode in Enviroment and Parameters</seealso> in the STDLIB
+ Unicode in Environment and Parameters</seealso> in the STDLIB
User's Guide).</p>
</item>
<tag><c><![CDATA[+fnu[{w|i|e}]]]></c></tag>
@@ -674,7 +674,7 @@
this value also applies to command-line parameters and environment
variables (see section <seealso
marker="stdlib:unicode_usage#unicode_in_environment_and_parameters">
- Unicode in Enviroment and Parameters</seealso> in the STDLIB
+ Unicode in Environment and Parameters</seealso> in the STDLIB
User's Guide).</p>
</item>
<tag><c><![CDATA[+fna[{w|i|e}]]]></c></tag>
@@ -695,7 +695,7 @@
this value also applies to command-line parameters and environment
variables (see section <seealso
marker="stdlib:unicode_usage#unicode_in_environment_and_parameters">
- Unicode in Enviroment and Parameters</seealso> in the STDLIB
+ Unicode in Environment and Parameters</seealso> in the STDLIB
User's Guide).</p>
</item>
<tag><c><![CDATA[+hms Size]]></c></tag>
diff --git a/erts/doc/src/erl_driver.xml b/erts/doc/src/erl_driver.xml
index d8bf45c523..7fbe97bc0b 100644
--- a/erts/doc/src/erl_driver.xml
+++ b/erts/doc/src/erl_driver.xml
@@ -1103,8 +1103,7 @@ r = driver_async(myPort, &myKey, myData, myFunc); ]]></code>
<marker id="driver_binary_dec_refc"></marker>
<p>Decrements the reference count on <c>bin</c> and returns
the reference count reached after the decrement.</p>
- <p>This function is only thread-safe when the emulator with SMP
- support is used.</p>
+ <p>This function is thread-safe.</p>
<note>
<p>The reference count of driver binary is normally to be decremented
by calling <seealso marker="#driver_free_binary">
@@ -1124,8 +1123,7 @@ r = driver_async(myPort, &myKey, myData, myFunc); ]]></code>
<desc>
<marker id="driver_binary_get_refc"></marker>
<p>Returns the current reference count on <c>bin</c>.</p>
- <p>This function is only thread-safe when the emulator with SMP
- support is used.</p>
+ <p>This function is thread-safe.</p>
</desc>
</func>
@@ -1137,8 +1135,7 @@ r = driver_async(myPort, &myKey, myData, myFunc); ]]></code>
<marker id="driver_binary_inc_refc"></marker>
<p>Increments the reference count on <c>bin</c> and returns
the reference count reached after the increment.</p>
- <p>This function is only thread-safe when the emulator with SMP
- support is used.</p>
+ <p>This function is thread-safe.</p>
</desc>
</func>
@@ -1434,8 +1431,7 @@ r = driver_async(myPort, &myKey, myData, myFunc); ]]></code>
<seealso marker="#driver_alloc_binary">
<c>driver_alloc_binary</c></seealso>. As binaries
in Erlang are reference counted, the binary can still be around.</p>
- <p>This function is only thread-safe when the emulator with SMP
- support is used.</p>
+ <p>This function is thread-safe.</p>
</desc>
</func>
@@ -1872,8 +1868,7 @@ r = driver_async(myPort, &myKey, myData, myFunc); ]]></code>
<p>Resizes a driver binary, while keeping the data.</p>
<p>Returns the resized driver binary on success. Returns <c>NULL</c>
on failure (out of memory).</p>
- <p>This function is only thread-safe when the emulator with SMP
- support is used.</p>
+ <p>This function is thread-safe.</p>
</desc>
</func>
diff --git a/erts/doc/src/erl_ext_dist.xml b/erts/doc/src/erl_ext_dist.xml
index 4f799f8f34..a436a9ca74 100644
--- a/erts/doc/src/erl_ext_dist.xml
+++ b/erts/doc/src/erl_ext_dist.xml
@@ -119,16 +119,11 @@
<tcaption>Compressed Data Format when Expanded</tcaption></table>
<marker id="utf8_atoms"/>
<note>
- <p>As from ERTS 5.10 (OTP R16) support
- for UTF-8 encoded atoms has been introduced in the external format.
- However, only characters that can be encoded using Latin-1 (ISO-8859-1)
- are currently supported in atoms. The support for UTF-8 encoded atoms
- in the external format has been implemented to be able to support
- 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 Latin-1, and <em>the behavior is
- undefined</em>.</p>
+ <p>As from ERTS 9.0 (OTP 20), UTF-8 encoded atoms may contain any Unicode
+ character. Although the support for UTF-8 encoded atoms in the external
+ format is available since ERTS 5.10 (OTP R16), passing atoms that cannot
+ be encoded in Latin-1 is an <em>error</em> in versions earlier than
+ Erlang/OTP 20, and <em>the behavior is undefined</em>.</p>
<p>When distribution flag <seealso marker="erl_dist_protocol#dflags">
<c>DFLAG_UTF8_ATOMS</c></seealso> has been exchanged between both nodes
in the <seealso marker="erl_dist_protocol#distribution_handshake">
diff --git a/erts/doc/src/erl_nif.xml b/erts/doc/src/erl_nif.xml
index e8e7bd4a80..a55092332e 100644
--- a/erts/doc/src/erl_nif.xml
+++ b/erts/doc/src/erl_nif.xml
@@ -2564,7 +2564,7 @@ enif_map_iterator_destroy(env, &amp;iter);</code>
CPU-bound, or <c>ERL_NIF_DIRTY_JOB_IO_BOUND</c> for
jobs that will be I/O-bound. If dirty scheduler threads are not
available in the emulator, an attempt to schedule such a job
- results in a <c>badarg</c> exception.</p>
+ results in a <c>notsup</c> exception.</p>
</item>
<tag><c>argc</c> and <c>argv</c></tag>
<item>
diff --git a/erts/doc/src/erl_tracer.xml b/erts/doc/src/erl_tracer.xml
index 43613c31b1..2681a19da0 100644
--- a/erts/doc/src/erl_tracer.xml
+++ b/erts/doc/src/erl_tracer.xml
@@ -103,7 +103,7 @@
<item>If set the tracer has been requested to include a
time stamp.</item>
<tag><c>extra</c></tag>
- <item>If set the tracepoint has included additonal data about
+ <item>If set the tracepoint has included additional data about
the trace event. What the additional data is depends on which
<c>TraceTag</c> has been triggered. The <c>extra</c> trace data
corresponds to the fifth element in the trace tuples described in
diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml
index 7815bfa510..352d30f3b4 100644
--- a/erts/doc/src/erlang.xml
+++ b/erts/doc/src/erlang.xml
@@ -325,16 +325,11 @@ Z = erlang:adler32_combine(X,Y,iolist_size(Data2)).</code>
is <c>latin1</c>, one byte exists for each character
in the text representation. If <c><anno>Encoding</anno></c> is
<c>utf8</c> or
- <c>unicode</c>, the characters are encoded using UTF-8
- (that is, characters from 128 through 255 are
- encoded in two bytes).</p>
+ <c>unicode</c>, the characters are encoded using UTF-8 where
+ characters may require multiple bytes.</p>
<note>
- <p><c>atom_to_binary(<anno>Atom</anno>, latin1)</c> never
- fails, as the text representation of an atom can only
- contain characters from 0 through 255. In a future release,
- the text representation
- of atoms can be allowed to contain any Unicode character and
- <c>atom_to_binary(<anno>Atom</anno>, latin1)</c> then fails if the
+ <p>As from Erlang/OTP 20, atoms can contain any Unicode character
+ and <c>atom_to_binary(<anno>Atom</anno>, latin1)</c> may fail if the
text representation for <c><anno>Atom</anno></c> contains a Unicode
character &gt; 255.</p>
</note>
@@ -402,13 +397,11 @@ Z = erlang:adler32_combine(X,Y,iolist_size(Data2)).</code>
translation of bytes in the binary is done.
If <c><anno>Encoding</anno></c>
is <c>utf8</c> or <c>unicode</c>, the binary must contain
- valid UTF-8 sequences. Only Unicode characters up
- to 255 are allowed.</p>
+ valid UTF-8 sequences.</p>
<note>
- <p><c>binary_to_atom(<anno>Binary</anno>, utf8)</c> fails if
- the binary contains Unicode characters &gt; 255.
- In a future release, such Unicode characters can be allowed and
- <c>binary_to_atom(<anno>Binary</anno>, utf8)</c> does then not fail.
+ <p>As from Erlang/OTP 20, <c>binary_to_atom(<anno>Binary</anno>, utf8)</c>
+ is capable of encoding any Unicode character. Earlier versions would
+ fail if the binary contained Unicode characters &gt; 255.
For more information about Unicode support in atoms, see the
<seealso marker="erl_ext_dist#utf8_atoms">note on UTF-8
encoded atoms</seealso>
@@ -419,9 +412,7 @@ Z = erlang:adler32_combine(X,Y,iolist_size(Data2)).</code>
> <input>binary_to_atom(&lt;&lt;"Erlang"&gt;&gt;, latin1).</input>
'Erlang'
> <input>binary_to_atom(&lt;&lt;1024/utf8&gt;&gt;, utf8).</input>
-** exception error: bad argument
- in function binary_to_atom/2
- called as binary_to_atom(&lt;&lt;208,128&gt;&gt;,utf8)</pre>
+'Ѐ'</pre>
</desc>
</func>
@@ -1955,26 +1946,6 @@ os_prompt%</pre>
</func>
<func>
- <name name="hash" arity="2"/>
- <fsummary>Hash function (deprecated).</fsummary>
- <desc>
- <p>Returns a hash value for <c><anno>Term</anno></c> within the range
- <c>1..<anno>Range</anno></c>. The maximum range is 1..2^27-1.</p>
- <warning>
- <p><em>This BIF is deprecated, as the hash value can differ on
- different architectures.</em> The hash values for integer
- terms &gt; 2^27 and large binaries are
- poor. The BIF is retained for backward compatibility
- reasons (it can have been used to hash records into a file),
- but all new code is to use one of the BIFs
- <seealso marker="#phash/2"><c>erlang:phash/2</c></seealso> or
- <seealso marker="#phash2/1"><c>erlang:phash2/1,2</c></seealso>
- instead.</p>
- </warning>
- </desc>
- </func>
-
- <func>
<name name="hd" arity="1"/>
<fsummary>Head of a list.</fsummary>
<desc>
@@ -2401,10 +2372,10 @@ os_prompt%</pre>
<desc>
<p>Returns the atom whose text representation is
<c><anno>String</anno></c>.</p>
- <p><c><anno>String</anno></c> can only contain ISO-latin-1
- characters (that is, numbers &lt; 256) as the implementation does not
- allow Unicode characters equal to or above 256 in atoms.
- For more information on Unicode support in atoms, see
+ <p>As from Erlang/OTP 20, <c><anno>String</anno></c> may contain
+ any Unicode character. Earlier versions allowed only ISO-latin-1
+ characters as the implementation did not allow Unicode characters
+ above 255. For more information on Unicode support in atoms, see
<seealso marker="erl_ext_dist#utf8_atoms">note on UTF-8
encoded atoms</seealso>
in section "External Term Format" in the User's Guide.</p>
@@ -3818,9 +3789,6 @@ RealSystem = system + MissedSystem</code>
<c><anno>Term</anno></c> within the range
<c>1..<anno>Range</anno></c>. The maximum value for
<c><anno>Range</anno></c> is 2^32.</p>
- <p>This BIF can be used instead of the old deprecated BIF
- <c>erlang:hash/2</c>, as it calculates better hashes for
- all data types, but consider using <c>phash2/1,2</c> instead.</p>
</desc>
</func>
@@ -3855,10 +3823,6 @@ RealSystem = system + MissedSystem</code>
<desc>
<p>Returns a string corresponding to the text
representation of <c><anno>Pid</anno></c>.</p>
- <warning>
- <p>This BIF is intended for debugging and is not to be used
- in application programs.</p>
- </warning>
</desc>
</func>
@@ -4431,10 +4395,6 @@ RealSystem = system + MissedSystem</code>
<desc>
<p>Returns a string corresponding to the text
representation of the port identifier <c><anno>Port</anno></c>.</p>
- <warning>
- <p>This BIF is intended for debugging. It is not to be used
- in application programs.</p>
- </warning>
</desc>
</func>
@@ -4631,7 +4591,7 @@ RealSystem = system + MissedSystem</code>
<p>If the process potentially can get many messages,
you are advised to set the flag to <c>off_heap</c>. This
because a garbage collection with many messages placed on
- the heap can become extremly expensive and the process can
+ the heap can become extremely expensive and the process can
consume large amounts of memory. Performance of the
actual message passing is however generally better when not
using flag <c>off_heap</c>.</p>
diff --git a/erts/doc/src/erts_alloc.xml b/erts/doc/src/erts_alloc.xml
index 8ab35851c1..49dadfb42c 100644
--- a/erts/doc/src/erts_alloc.xml
+++ b/erts/doc/src/erts_alloc.xml
@@ -452,7 +452,7 @@
utilization value &gt; 0 is used, allocator instances
are allowed to abandon multiblock carriers. If <c>de</c> (default
enabled) is passed instead of a <c><![CDATA[<utilization>]]></c>,
- a recomended non-zero utilization value is used. The value
+ a recommended non-zero utilization value is used. The value
chosen depends on the allocator type and can be changed between
ERTS versions. Defaults to <c>de</c>, but this
can be changed in the future.</p>
diff --git a/erts/doc/src/notes.xml b/erts/doc/src/notes.xml
index 812538729d..05142c9338 100644
--- a/erts/doc/src/notes.xml
+++ b/erts/doc/src/notes.xml
@@ -32,12 +32,39 @@
<p>This document describes the changes made to the ERTS application.</p>
-<section><title>Erts 8.2.1</title>
+<section><title>Erts 8.2.2</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>
+ Fix bug in <c>binary_to_term</c> for binaries created by
+ <c>term_to_binary </c> with option <c>compressed</c>. The
+ bug can cause <c>badarg</c> exception for a valid binary
+ when Erlang VM is linked against a <c>zlib</c> library of
+ version 1.2.9 or newer. Bug exists since OTP 17.0.</p>
+ <p>
+ Own Id: OTP-14159 Aux Id: ERL-340 </p>
+ </item>
+ <item>
+ <p>
+ The driver efile_drv when opening a file now use fstat()
+ on the open file instead of stat() before opening, if
+ fstat() exists. This avoids a race when the file happens
+ to change between stat() and open().</p>
+ <p>
+ Own Id: OTP-14184 Aux Id: seq-13266 </p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
+<section><title>Erts 8.2.1</title>
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
Fix a quite rare bug causing VM crash during code loading
and the use of export funs (fun M:F/A) of not yet loaded
modules. Requires a very specfic timing of concurrent
@@ -537,7 +564,7 @@
<list>
<item>
<p>
- Fixed a VM crash that occured in a garbage collection of
+ Fixed a VM crash that occurred in a garbage collection of
a process when it had received binaries. This bug was
introduced in ERTS version 8.0 (OTP 19.0).</p>
<p>
@@ -554,7 +581,7 @@
<list>
<item>
<p>
- Fixed a VM crash that occured in garbage collection of a
+ Fixed a VM crash that occurred in garbage collection of a
process when it had received maps over the distribution.
This bug was introduced in ERTS version 8.0 (OTP 19.0).</p>
<p>
@@ -5655,7 +5682,7 @@
dependent, so applications aiming to be portable should
consider using <c>{ipv6_v6only,true}</c> when creating an
<c>inet6</c> listening/destination socket, and if
- neccesary also create an <c>inet</c> socket on the same
+ necessary also create an <c>inet</c> socket on the same
port for IPv4 traffic. See the documentation.</p>
<p>
Own Id: OTP-8928 Aux Id: kunagi-193 [104] </p>
@@ -6036,7 +6063,7 @@
This change of default value will reduce lock contention
on ETS tables using the <c>read_concurrency</c> option at
the expense of memory consumption when the amount of
- schedulers and logical processors are beween 8 and 64.
+ schedulers and logical processors are between 8 and 64.
For more information, see documentation of the <c>+rg</c>
command line argument of <c>erl(1)</c>.</p>
<p>
@@ -7013,7 +7040,7 @@
<p>
For the subsection about process_flag(save_calls, N)
there's an unrelated paragraph about process priorities
- which was copied from the preceeding subsection regarding
+ which was copied from the preceding subsection regarding
process_flag(priority, Level). (Thanks to Filipe David
Manana)</p>
<p>
@@ -8228,7 +8255,7 @@
<item>
<p>
Wx on MacOS X generated complains on stderr about certain
- cocoa functions not beeing called from the "Main thread".
+ cocoa functions not being called from the "Main thread".
This is now corrected.</p>
<p>
Own Id: OTP-9081</p>
@@ -9219,7 +9246,7 @@
</item>
<item>
<p>The <c>empd</c> program could loop and consume 100%
- CPU time if an unexpected error ocurred in
+ CPU time if an unexpected error occurred in
<c>listen()</c> or <c>accept()</c>. Now <c>epmd</c> will
terminate if a non-recoverable error occurs. (Thanks to
Michael Santos.)</p>