Improve types and specifications of the inet modules

1 files changed, 17 insertions, 41 deletions

diff --git a/lib/kernel/doc/src/inet.xml b/lib/kernel/doc/src/inet.xml
index fd843b00d9..b36c28e027 100644
--- a/lib/kernel/doc/src/inet.xml
+++ b/lib/kernel/doc/src/inet.xml
@@ -105,6 +105,9 @@ fe80::204:acff:fe17:bf38
       <name name="ip6_address"/>
     </datatype>
     <datatype>
+      <name name="port_number"/>
+    </datatype>
+    <datatype>
       <name name="posix"/>
       <desc><p>An atom which is named from the Posix error codes
          used in Unix, and in the runtime libraries of most
@@ -119,7 +122,7 @@ fe80::204:acff:fe17:bf38
       </desc>
     </datatype>
     <datatype>
-      <name name="family_option"/>
+      <name name="address_family"/>
     </datatype>
   </datatypes>
 
@@ -250,26 +253,15 @@ fe80::204:acff:fe17:bf38
     </func>
 
     <func>
-      <name>getopts(Socket, Options) -> {ok, OptionValues} | {error, posix()}</name>
+      <name name="getopts" arity="2"/>
       <fsummary>Get one or more options for a socket</fsummary>
-      <type>
-        <v>Socket = term()</v>
-        <v>Options = [Opt | RawOptReq]</v>
-        <v>Opt = atom()</v>
-        <v>RawOptReq = {raw, Protocol, OptionNum, ValueSpec}</v>
-        <v>Protocol = integer()</v>
-        <v>OptionNum = integer()</v>
-        <v>ValueSpec = ValueSize | ValueBin</v>
-        <v>ValueSize = integer()</v>
-        <v>ValueBin = binary()</v>
-        <v>OptionValues = [{Opt, Val} | {raw, Protocol, OptionNum,  ValueBin}]</v>
-      </type>
       <type name="socket_getopt"/>
+      <type name="socket_setopt"/>
       <desc>
         <p>Gets one or more options for a socket. 
           See <seealso marker="#setopts/2">setopts/2</seealso> 
           for a list of available options.</p>
-        <p>The number of elements in the returned <c>OptionValues</c>
+        <p>The number of elements in the returned <c><anno>OptionValues</anno></c>
           list does not necessarily correspond to the number of options
           asked for. If the operating system fails to support an option,
           it is simply left out in the returned list. An error tuple is only
@@ -277,12 +269,12 @@ fe80::204:acff:fe17:bf38
           (i.e. the socket is closed or the buffer size in a raw request
           is too large). This behavior is kept for backward
           compatibility reasons.</p>
-        <p>A <c>RawOptReq</c> can be used to get information about
+        <p>A raw option request <c>RawOptReq = {raw, Protocol, OptionNum, ValueSpec}</c> can be used to get information about
           socket options not (explicitly) supported by the emulator. The
           use of raw socket options makes the code non portable, but
           allows the Erlang programmer to take advantage of unusual features
           present on the current platform.</p>
-        <p>The  <c>RawOptReq</c> consists of the tag <c>raw</c> followed
+        <p>The <c>RawOptReq</c> consists of the tag <c>raw</c> followed
           by the protocol level, the option number and either a binary
           or the size, in bytes, of the
           buffer in which the option value is to be stored. A binary
@@ -325,19 +317,14 @@ fe80::204:acff:fe17:bf38
     </func>
 
     <func>
-      <name>getstat(Socket)</name>
-      <name>getstat(Socket, Options) -> {ok, OptionValues} | {error, posix()}</name>
+      <name name="getstat" arity="1"/>
+      <name name="getstat" arity="2"/>
       <fsummary>Get one or more statistic options for a socket</fsummary>
-      <type>
-        <v>Socket = term()</v>
-        <v>Options = [Opt]</v>
-        <v>OptionValues = [{Opt, Val}]</v>
-        <v>&nbsp;Opt, Val -- see below</v>
-      </type>
+      <type name="stat_option"/>
       <desc>
         <p>Gets one or more statistic options for a socket.</p>
-	<p><c>getstat(Socket)</c> is equivalent to
-	<c>getstat(Socket,&nbsp;[recv_avg,&nbsp;recv_cnt,&nbsp;recv_dvi,&nbsp;recv_max,&nbsp;recv_oct,&nbsp;send_avg,&nbsp;send_cnt,&nbsp;send_dvi,&nbsp;send_max,&nbsp;send_oct])</c></p>
+	<p><c>getstat(<anno>Socket</anno>)</c> is equivalent to
+	<c>getstat(<anno>Socket</anno>,&nbsp;[recv_avg,&nbsp;recv_cnt,&nbsp;recv_dvi,&nbsp;recv_max,&nbsp;recv_oct,&nbsp;send_avg,&nbsp;send_cnt,&nbsp;send_dvi,&nbsp;send_max,&nbsp;send_oct])</c></p>
 	  <p>The following options are available:</p>
         <taglist>
 	  <tag><c>recv_avg</c></tag>
@@ -394,12 +381,8 @@ fe80::204:acff:fe17:bf38
       </desc>
     </func>
     <func>
-      <name>port(Socket) -> {ok, Port} | {error, any()}</name>
+      <name name="port" arity="1"/>
       <fsummary>Return the local port number for a socket</fsummary>
-      <type>
-        <v>Socket = socket()</v>
-        <v>Port = integer()</v>
-      </type>
       <desc>
         <p>Returns the local port number for a socket.</p>
       </desc>
@@ -412,16 +395,9 @@ fe80::204:acff:fe17:bf38
       </desc>
     </func>
     <func>
-      <name>setopts(Socket, Options) -> ok | {error, posix()}</name>
+      <name name="setopts" arity="2"/>
       <fsummary>Set one or more options for a socket</fsummary>
-      <type>
-        <v>Socket = term()</v>
-        <v>Options = [{Opt, Val} | {raw, Protocol, Option, ValueBin}]</v>
-        <v>Protocol = integer()</v>
-        <v>OptionNum = integer()</v>
-        <v>ValueBin = binary()</v>
-        <v>&nbsp;Opt, Val -- see below</v>
-      </type>
+      <type name="socket_setopt"/>
       <desc>
         <p>Sets one or more options for a socket. The following options
           are available:</p>