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-rw-r--r--erts/doc/src/absform.xml10
-rw-r--r--erts/doc/src/erl.xml8
-rw-r--r--erts/doc/src/erlang.xml20
-rw-r--r--erts/doc/src/erts_alloc.xml36
-rw-r--r--erts/doc/src/match_spec.xml17
5 files changed, 55 insertions, 36 deletions
diff --git a/erts/doc/src/absform.xml b/erts/doc/src/absform.xml
index 2ada903edb..158f4dc4e8 100644
--- a/erts/doc/src/absform.xml
+++ b/erts/doc/src/absform.xml
@@ -407,9 +407,8 @@
</item>
<item>
<p>If E is a map creation <c>#{A_1, ..., A_k}</c>,
- where each <c>A_i</c> is an association <c>E_i_1 => E_i_2</c>
- or <c>E_i_1 := E_i_2</c>, then Rep(E) =
- <c>{map,LINE,[Rep(A_1), ..., Rep(A_k)]}</c>.
+ where each <c>A_i</c> is an association <c>E_i_1 => E_i_2</c>,
+ then Rep(E) = <c>{map,LINE,[Rep(A_1), ..., Rep(A_k)]}</c>.
For Rep(A), see below.</p>
</item>
<item>
@@ -731,9 +730,8 @@
</item>
<item>
<p>If Gt is a map creation <c>#{A_1, ..., A_k}</c>,
- where each <c>A_i</c> is an association <c>Gt_i_1 => Gt_i_2</c>
- or <c>Gt_i_1 := Gt_i_2</c>, then Rep(Gt) =
- <c>{map,LINE,[Rep(A_1), ..., Rep(A_k)]}</c>.
+ where each <c>A_i</c> is an association <c>Gt_i_1 => Gt_i_2</c>,
+ then Rep(Gt) = <c>{map,LINE,[Rep(A_1), ..., Rep(A_k)]}</c>.
For Rep(A), see above.</p>
</item>
<item>
diff --git a/erts/doc/src/erl.xml b/erts/doc/src/erl.xml
index 5089d4e0ce..74654a295d 100644
--- a/erts/doc/src/erl.xml
+++ b/erts/doc/src/erl.xml
@@ -1158,7 +1158,7 @@
<tag><marker id="+sbwtdcpu"/>
<c>+sbwtdcpu none|very_short|short|medium|long|very_long</c></tag>
<item>
- <p>As <seealso marker="+sbwt"><c>+sbwt</c></seealso> but affects
+ <p>As <seealso marker="#+sbwt"><c>+sbwt</c></seealso> but affects
dirty CPU schedulers. Defaults to <c>short</c>.</p>
<note>
<p>This flag can be removed or changed at any time
@@ -1168,7 +1168,7 @@
<tag><marker id="+sbwtdio"/>
<c>+sbwtdio none|very_short|short|medium|long|very_long</c></tag>
<item>
- <p>As <seealso marker="+sbwt"><c>+sbwt</c></seealso> but affects
+ <p>As <seealso marker="#+sbwt"><c>+sbwt</c></seealso> but affects
dirty IO schedulers. Defaults to <c>short</c>.</p>
<note>
<p>This flag can be removed or changed at any time
@@ -1443,7 +1443,7 @@
<tag><marker id="+swtdcpu"/>
<c>+swtdcpu very_low|low|medium|high|very_high</c></tag>
<item>
- <p>As <seealso marker="+swt"><c>+swt</c></seealso> but
+ <p>As <seealso marker="#+swt"><c>+swt</c></seealso> but
affects dirty CPU schedulers. Defaults to <c>medium</c>.</p>
<note>
<p>This flag can be removed or changed at any time
@@ -1453,7 +1453,7 @@
<tag><marker id="+swtdio"/>
<c>+swtdio very_low|low|medium|high|very_high</c></tag>
<item>
- <p>As <seealso marker="+swt"><c>+swt</c></seealso> but affects
+ <p>As <seealso marker="#+swt"><c>+swt</c></seealso> but affects
dirty IO schedulers. Defaults to <c>medium</c>.</p>
<note>
<p>This flag can be removed or changed at any time
diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml
index d4d4dd7f31..f561413fab 100644
--- a/erts/doc/src/erlang.xml
+++ b/erts/doc/src/erlang.xml
@@ -2965,6 +2965,25 @@ os_prompt%</pre>
</func>
<func>
+ <name name="map_get" arity="2" />
+ <fsummary>Extract a value from a map</fsummary>
+ <desc>
+ <p>Returns value <c><anno>Value</anno></c> associated with
+ <c><anno>Key</anno></c> if <c><anno>Map</anno></c> contains
+ <c><anno>Key</anno></c>.</p>
+ <p>The call fails with a <c>{badmap,Map}</c> exception if
+ <c><anno>Map</anno></c> is not a map, or with a <c>{badkey,Key}</c>
+ exception if no value is associated with <c><anno>Key</anno></c>.</p>
+ <p><em>Example:</em></p>
+ <code type="none">
+> Key = 1337,
+ Map = #{42 => value_two,1337 => "value one","a" => 1},
+ map_get(Key,Map).
+"value one"</code>
+ </desc>
+ </func>
+
+ <func>
<name name="map_size" arity="1"/>
<fsummary>Return the size of a map.</fsummary>
<desc>
@@ -10999,4 +11018,3 @@ true</pre>
</func>
</funcs>
</erlref>
-
diff --git a/erts/doc/src/erts_alloc.xml b/erts/doc/src/erts_alloc.xml
index 53e136d76c..0893eb291c 100644
--- a/erts/doc/src/erts_alloc.xml
+++ b/erts/doc/src/erts_alloc.xml
@@ -559,6 +559,20 @@
than this threshold, otherwise the carrier is shrunk.
See also <seealso marker="#M_rsbcst"><c>rsbcst</c></seealso>.</p>
</item>
+ <tag><marker id="M_atags"/><c><![CDATA[+M<S>atags true|false]]></c></tag>
+ <item>
+ <p>Adds a small tag to each allocated block that contains basic
+ information about what it is and who allocated it. Use the
+ <seealso marker="tools:instrument"><c>instrument</c></seealso>
+ module to inspect this information.</p>
+
+ <p>The runtime overhead is one word per allocation when enabled. This
+ may change at any time in the future.</p>
+
+ <p>The default is <c>true</c> for <c>binary_alloc</c> and
+ <c>driver_alloc</c>, and <c>false</c> for the other allocator
+ types.</p>
+ </item>
<tag><marker id="M_e"/><c><![CDATA[+M<S>e true|false]]></c></tag>
<item>
<p>Enables allocator <c><![CDATA[<S>]]></c>.</p>
@@ -724,22 +738,12 @@
<section>
<title>Instrumentation Flags</title>
<taglist>
- <tag><marker id="Mim"/><c>+Mim true|false</c></tag>
- <item>
- <p>A map over current allocations is kept by the emulator.
- The allocation map can be retrieved through module
- <seealso marker="tools:instrument">
- <c>instrument(3)</c></seealso>. <c>+Mim true</c>
- implies <c>+Mis true</c>. <c>+Mim true</c> is the same as flag
- <seealso marker="erl#instr"><c>-instr</c></seealso> in
- <c>erl(1)</c>.</p>
- </item>
- <tag><marker id="Mis"/><c>+Mis true|false</c></tag>
- <item>
- <p>Status over allocated memory is kept by the emulator.
- The allocation status can be retrieved through module
- <seealso marker="tools:instrument">
- <c>instrument(3)</c></seealso>.</p>
+ <tag><c>+M&lt;S&gt;atags</c></tag>
+ <item>
+ <p>Adds a small tag to each allocated block that contains basic
+ information about what it is and who allocated it. See
+ <seealso marker="#M_atags"><c>+M&lt;S&gt;atags</c></seealso> for a
+ more complete description.</p>
</item>
<tag><marker id="Mit"/><c>+Mit X</c></tag>
<item>
diff --git a/erts/doc/src/match_spec.xml b/erts/doc/src/match_spec.xml
index 644b989800..888366b239 100644
--- a/erts/doc/src/match_spec.xml
+++ b/erts/doc/src/match_spec.xml
@@ -110,7 +110,8 @@
</item>
<item>GuardFunction ::= BoolFunction | <c><![CDATA[abs]]></c> |
<c><![CDATA[element]]></c> | <c><![CDATA[hd]]></c> |
- <c><![CDATA[length]]></c> | <c><![CDATA[node]]></c> |
+ <c><![CDATA[length]]></c> | <c><![CDATA[map_get]]></c> |
+ <c><![CDATA[map_size]]></c> | <c><![CDATA[node]]></c> |
<c><![CDATA[round]]></c> | <c><![CDATA[size]]></c> |
<c><![CDATA[tl]]></c> | <c><![CDATA[trunc]]></c> |
<c><![CDATA['+']]></c> | <c><![CDATA['-']]></c> |
@@ -169,10 +170,9 @@
<c><![CDATA[is_reference]]></c> | <c><![CDATA[is_tuple]]></c> |
<c><![CDATA[is_map]]></c> | <c><![CDATA[is_binary]]></c> |
<c><![CDATA[is_function]]></c> | <c><![CDATA[is_record]]></c> |
- <c><![CDATA[is_seq_trace]]></c> | <c><![CDATA['and']]></c> |
- <c><![CDATA['or']]></c> | <c><![CDATA['not']]></c> |
- <c><![CDATA['xor']]></c> | <c><![CDATA['andalso']]></c> |
- <c><![CDATA['orelse']]></c>
+ <c><![CDATA['and']]></c> | <c><![CDATA['or']]></c> |
+ <c><![CDATA['not']]></c> | <c><![CDATA['xor']]></c> |
+ <c><![CDATA['andalso']]></c> | <c><![CDATA['orelse']]></c>
</item>
<item>ConditionExpression ::= ExprMatchVariable | { GuardFunction } |
{ GuardFunction, ConditionExpression, ... } | TermConstruct
@@ -190,7 +190,8 @@
</item>
<item>GuardFunction ::= BoolFunction | <c><![CDATA[abs]]></c> |
<c><![CDATA[element]]></c> | <c><![CDATA[hd]]></c> |
- <c><![CDATA[length]]></c> | <c><![CDATA[node]]></c> |
+ <c><![CDATA[length]]></c> | <c><![CDATA[map_get]]></c> |
+ <c><![CDATA[map_size]]></c> | <c><![CDATA[node]]></c> |
<c><![CDATA[round]]></c> | <c><![CDATA[size]]></c> |
<c><![CDATA[tl]]></c> | <c><![CDATA[trunc]]></c> |
<c><![CDATA['+']]></c> | <c><![CDATA['-']]></c> |
@@ -202,8 +203,7 @@
<c><![CDATA['>=']]></c> | <c><![CDATA['<']]></c> |
<c><![CDATA['=<']]></c> | <c><![CDATA['=:=']]></c> |
<c><![CDATA['==']]></c> | <c><![CDATA['=/=']]></c> |
- <c><![CDATA['/=']]></c> | <c><![CDATA[self]]></c> |
- <c><![CDATA[get_tcw]]></c>
+ <c><![CDATA['/=']]></c> | <c><![CDATA[self]]></c>
</item>
<item>MatchBody ::= [ ConditionExpression, ... ]
</item>
@@ -867,4 +867,3 @@
can be useful for testing complicated ETS matches.</p>
</section>
</chapter>
-