diff options
Diffstat (limited to 'lib/erl_interface/doc')
-rw-r--r-- | lib/erl_interface/doc/src/ei.xml | 138 | ||||
-rw-r--r-- | lib/erl_interface/doc/src/ei_connect.xml | 3 | ||||
-rw-r--r-- | lib/erl_interface/doc/src/ei_users_guide.xml | 12 | ||||
-rw-r--r-- | lib/erl_interface/doc/src/erl_connect.xml | 9 | ||||
-rw-r--r-- | lib/erl_interface/doc/src/erl_eterm.xml | 9 | ||||
-rw-r--r-- | lib/erl_interface/doc/src/erl_global.xml | 9 | ||||
-rw-r--r-- | lib/erl_interface/doc/src/erl_interface.xml | 12 | ||||
-rw-r--r-- | lib/erl_interface/doc/src/erl_malloc.xml | 8 | ||||
-rw-r--r-- | lib/erl_interface/doc/src/erl_marshal.xml | 8 | ||||
-rw-r--r-- | lib/erl_interface/doc/src/notes.xml | 126 | ||||
-rw-r--r-- | lib/erl_interface/doc/src/ref_man.xml | 8 | ||||
-rw-r--r-- | lib/erl_interface/doc/src/ref_man_ei.xml | 10 | ||||
-rw-r--r-- | lib/erl_interface/doc/src/ref_man_erl_interface.xml | 8 |
13 files changed, 331 insertions, 29 deletions
diff --git a/lib/erl_interface/doc/src/ei.xml b/lib/erl_interface/doc/src/ei.xml index 179dbbd966..70af5642da 100644 --- a/lib/erl_interface/doc/src/ei.xml +++ b/lib/erl_interface/doc/src/ei.xml @@ -35,6 +35,9 @@ <lib>ei</lib> <libsummary>Routines for handling the Erlang binary term format.</libsummary> <description> + <note><p>The support for VxWorks is deprecated as of OTP 22, and + will be removed in OTP 23.</p></note> + <p>The library <c>ei</c> contains macros and functions to encode and decode the Erlang binary term format.</p> @@ -180,6 +183,43 @@ typedef enum { </func> <func> + <name since="OTP 22.0"><ret>int</ret><nametext>ei_decode_bitstring(const char *buf, int *index, const char **pp, unsigned int *bitoffsp, size_t *nbitsp)</nametext></name> + <fsummary>Decode a bitstring.</fsummary> + <desc> + <p>Decodes a bit string from the binary format.</p> + <taglist> + <tag><c>pp</c></tag> + <item><p>Either <c>NULL</c> or <c>*pp</c> returns a pointer to + the first byte of the bit string. The returned bit string is + readable as long as the buffer pointed to by <c>buf</c> is + readable and not written to.</p> + </item> + <tag><c>bitoffsp</c></tag> + <item><p>Either <c>NULL</c> or <c>*bitoffsp</c> returns the + number of unused bits in the first byte pointed to by + <c>*pp</c>. The value of <c>*bitoffsp</c> is between 0 and 7. + Unused bits in the first byte are the most significant bits.</p> + </item> + <tag><c>nbitsp</c></tag> + <item><p>Either <c>NULL</c> or <c>*nbitsp</c> returns the length + of the bit string in <em>bits</em>.</p> + </item> + </taglist> + <p>Returns <c>0</c> if it was a bit string term.</p> + <p>The number of <em>bytes</em> pointed to by <c>*pp</c>, which are + part of the bit string, is <c>(*bitoffsp + *nbitsp + 7)/8</c>. If + <c>(*bitoffsp + *bitsp)%8 > 0</c> then only <c>(*bitoffsp + + *bitsp)%8</c> bits of the last byte are used. Unused bits in + the last byte are the least significant bits.</p> + <p>The values of unused bits in the first and last byte are undefined + and cannot be relied on.</p> + <p>Number of bits may be divisible by 8, which means a binary + decodable by <c>ei_decode_binary</c> is also decodable by + <c>ei_decode_bitstring</c>.</p> + </desc> + </func> + + <func> <name since=""><ret>int</ret><nametext>ei_decode_boolean(const char *buf, int *index, int *p)</nametext></name> <fsummary>Decode a boolean.</fsummary> <desc> @@ -346,8 +386,10 @@ typedef enum { <c>t</c> is actually an <c>ETERM**</c> (see <seealso marker="erl_eterm"><c>erl_eterm</c></seealso>). The term is later to be deallocated.</p> - <p>Notice that this function is located in the <c>Erl_Interface</c> - library.</p> + <note><p>This function is deprecated as of OTP 22 and will be removed in + OTP 23 together with the old legacy <c>erl_interface</c> library (functions + with prefix <c>erl_</c>).</p> + </note> </desc> </func> @@ -456,6 +498,28 @@ typedef enum { </func> <func> + <name since="OTP 22.0"><ret>int</ret> + <nametext>ei_encode_bitstring(char *buf, int *index, const char *p, size_t bitoffs, size_t nbits)</nametext></name> + <name since="OTP 22.0"><ret>int</ret> + <nametext>ei_x_encode_bitstring(ei_x_buff* x, const char *p, size_t bitoffs, size_t nbits)</nametext></name> + <fsummary>Encode a bitstring.</fsummary> + <desc> + <p>Encodes a bit string in the binary format.</p> + <p>The data is at <c>p</c>. The length of the bit string is <c>nbits</c> + bits. The first <c>bitoffs</c> bits of the data at <c>p</c> are unused. + The first byte which is part of the bit string is + <c>p[bitoffs/8]</c>. The <c>bitoffs%8</c> most significant bits of + the first byte <c>p[bitoffs/8]</c> are unused.</p> + <p>The number of bytes which is part of the bit string is <c>(bitoffs + + nbits + 7)/8</c>. If <c>(bitoffs + nbits)%8 > 0</c> then only <c>(bitoffs + + nbits)%8</c> bits of the last byte are used. Unused bits in + the last byte are the least significant bits.</p> + <p>The values of unused bits are disregarded and does not need to be + cleared.</p> + </desc> + </func> + + <func> <name since=""><ret>int</ret><nametext>ei_encode_boolean(char *buf, int *index, int p)</nametext></name> <name since=""><ret>int</ret><nametext>ei_x_encode_boolean(ei_x_buff* x, int p)</nametext></name> <fsummary>Encode a boolean.</fsummary> @@ -653,6 +717,10 @@ ei_x_encode_string(&x, "Banana");</pre> <c>erl_interface</c>. Parameter <c>t</c> is actually an <c>ETERM</c> pointer. This function does not free the <c>ETERM</c>.</p> + <note><p>These functions are deprecated as of OTP 22 and will be removed in + OTP 23 together with the old legacy <c>erl_interface</c> library + (functions with prefix <c>erl_</c>).</p> + </note> </desc> </func> <func> @@ -722,12 +790,12 @@ ei_encode_tuple_header(buf, &i, 0);</pre> <name since=""><ret>int</ret><nametext>ei_get_type(const char *buf, const int *index, int *type, int *size)</nametext></name> <fsummary>Fetch the type and size of an encoded term.</fsummary> <desc> - <p>Returns the type in <c>type</c> and size in - <c>size</c> of the encoded term. For strings and atoms, + <p>Returns the type in <c>*type</c> and size in + <c>*size</c> of the encoded term. For strings and atoms, size is the number of characters <em>not</em> including the - terminating <c>NULL</c>. For binaries, <c>size</c> is the number of - bytes. For lists and tuples, <c>size</c> is the arity of - the object. For other types, <c>size</c> is 0. In all + terminating <c>NULL</c>. For binaries and bitstrings, <c>*size</c> is + the number of bytes. For lists, tuples and maps, <c>*size</c> is the + arity of the object. For other types, <c>*size</c> is 0. In all cases, <c>index</c> is left unchanged.</p> </desc> </func> @@ -781,30 +849,48 @@ ei_encode_tuple_header(buf, &i, 0);</pre> </type> <desc> <marker id="ei_set_compat_rel"></marker> - <p>By default, the <c>ei</c> library is only guaranteed - to be compatible with other Erlang/OTP components from the same - release as the <c>ei</c> library itself. For example, - <c>ei</c> from - Erlang/OTP R10 is not compatible with an Erlang emulator - from Erlang/OTP R9 by default.</p> - <p>A call to <c>ei_set_compat_rel(release_number)</c> sets - the <c>ei</c> library in compatibility mode of release - <c>release_number</c>. Valid range of - <c>release_number</c> - is <c>[7, current release]</c>. This makes it possible to - communicate with Erlang/OTP components from earlier releases.</p> + <p>In general, the <c>ei</c> library is guaranteed + to be compatible with other Erlang/OTP components that are 2 major + releases older or newer than the <c>ei</c> library itself.</p> + <p>Sometimes an exception to the above rule has to be made to make new + features (or even bug fixes) possible. A call to + <c>ei_set_compat_rel(release_number)</c> sets + the <c>ei</c> library in compatibility mode of OTP release + <c>release_number</c>.</p> + <p>The only useful value for <c>release_number</c> is currently + <c>21</c>. This will only be useful and have an effect if <em>bit + strings</em> or <em>export funs</em> are received from a connected + node. Before OTP 22, bit strings and export funs were not supported by + <c>ei</c>. They were instead encoded using an undocumented fallback + tuple format when sent from the emulator to <c>ei</c>:</p> + <taglist> + <tag><c>Bit string</c></tag> + <item><p>The term <c><<42, 1:1>></c> was encoded as + <c>{<<42, 128>>, 1}</c>. The first element of the tuple is a + binary and the second element denotes how many bits of the last bytes + are part of the bit string. In this example only the most significant + bit of the last byte (128) is part of the bit string.</p> + </item> + <tag><c>Export fun</c></tag> + <item><p>The term <c>fun lists:map/2</c> was encoded as + <c>{lists,map}</c>. A tuple with the module, function and a missing + arity.</p> + </item> + </taglist> + <p>If <c>ei_set_compat_rel(21)</c> is <em>not</em> called then a connected + emulator will send bit strings and export funs correctly encoded. The + functions <seealso marker="#ei_decode_bitstring"><c>ei_decode_bitstring</c></seealso> + and <seealso marker="#ei_decode_fun"><c>ei_decode_fun</c></seealso> + has to be used to decode such terms. Calling + <c>ei_set_compat_rel(21)</c> should only be done as a workaround to + keep an old implementation alive, which expects to receive the + undocumented tuple formats for bit strings and/or export funs. + </p> <note> <p>If this function is called, it can only be called once and must be called before any other functions in the <c>ei</c> library are called.</p> </note> - <warning> - <p>You can run into trouble if this feature is used - carelessly. Always ensure that all communicating - components are either from the same Erlang/OTP release, or - from release X and release Y where all components - from release Y are in compatibility mode of release X.</p> - </warning> </desc> </func> diff --git a/lib/erl_interface/doc/src/ei_connect.xml b/lib/erl_interface/doc/src/ei_connect.xml index 2dd0a285fe..795f1249b3 100644 --- a/lib/erl_interface/doc/src/ei_connect.xml +++ b/lib/erl_interface/doc/src/ei_connect.xml @@ -34,6 +34,9 @@ <lib>ei_connect</lib> <libsummary>Communicate with distributed Erlang.</libsummary> <description> + <note><p>The support for VxWorks is deprecated as of OTP 22, and + will be removed in OTP 23.</p></note> + <p>This module enables C-programs to communicate with Erlang nodes, using the Erlang distribution over TCP/IP.</p> diff --git a/lib/erl_interface/doc/src/ei_users_guide.xml b/lib/erl_interface/doc/src/ei_users_guide.xml index 2dfd99e35a..7ca10d1a99 100644 --- a/lib/erl_interface/doc/src/ei_users_guide.xml +++ b/lib/erl_interface/doc/src/ei_users_guide.xml @@ -34,6 +34,18 @@ </header> <section> + <title>Deprecation and Removal</title> + <note><p>The support for VxWorks is deprecated as of OTP 22, and + will be removed in OTP 23.</p></note> + <note><p>The old legacy <c>erl_interface</c> library (functions + with prefix <c>erl_</c>) is deprecated as of OTP 22, and will be + removed in OTP 23. This does not apply to the <c>ei</c> + library. Reasonably new <c>gcc</c> compilers will issue deprecation + warnings. In order to disable these warnings, define the macro + <c>EI_NO_DEPR_WARN</c>.</p></note> + </section> + + <section> <title>Introduction</title> <p>The <c>Erl_Interface</c> library contains functions that help you integrate programs written in C and Erlang. The functions in diff --git a/lib/erl_interface/doc/src/erl_connect.xml b/lib/erl_interface/doc/src/erl_connect.xml index 139ac9e2f0..9492a82864 100644 --- a/lib/erl_interface/doc/src/erl_connect.xml +++ b/lib/erl_interface/doc/src/erl_connect.xml @@ -35,6 +35,15 @@ <lib>erl_connect</lib> <libsummary>Communicate with distributed Erlang.</libsummary> <description> + <note><p>The support for VxWorks is deprecated as of OTP 22, and + will be removed in OTP 23.</p></note> + <note><p>The old legacy <c>erl_interface</c> library (functions + with prefix <c>erl_</c>) is deprecated as of OTP 22, and will be + removed in OTP 23. This does not apply to the <c>ei</c> + library. Reasonably new <c>gcc</c> compilers will issue deprecation + warnings. In order to disable these warnings, define the macro + <c>EI_NO_DEPR_WARN</c>.</p></note> + <p>This module provides support for communication between distributed Erlang nodes and C-nodes, in a manner that is transparent to Erlang processes.</p> diff --git a/lib/erl_interface/doc/src/erl_eterm.xml b/lib/erl_interface/doc/src/erl_eterm.xml index 070ed30dfe..295760b4e6 100644 --- a/lib/erl_interface/doc/src/erl_eterm.xml +++ b/lib/erl_interface/doc/src/erl_eterm.xml @@ -35,6 +35,15 @@ <lib>erl_eterm</lib> <libsummary>Functions for Erlang term construction.</libsummary> <description> + <note><p>The support for VxWorks is deprecated as of OTP 22, and + will be removed in OTP 23.</p></note> + <note><p>The old legacy <c>erl_interface</c> library (functions + with prefix <c>erl_</c>) is deprecated as of OTP 22, and will be + removed in OTP 23. This does not apply to the <c>ei</c> + library. Reasonably new <c>gcc</c> compilers will issue deprecation + warnings. In order to disable these warnings, define the macro + <c>EI_NO_DEPR_WARN</c>.</p></note> + <p>This module provides functions for creating and manipulating Erlang terms.</p> diff --git a/lib/erl_interface/doc/src/erl_global.xml b/lib/erl_interface/doc/src/erl_global.xml index 72d43e81d5..39085b46f0 100644 --- a/lib/erl_interface/doc/src/erl_global.xml +++ b/lib/erl_interface/doc/src/erl_global.xml @@ -35,6 +35,15 @@ <lib>erl_global</lib> <libsummary>Access globally registered names.</libsummary> <description> + <note><p>The support for VxWorks is deprecated as of OTP 22, and + will be removed in OTP 23.</p></note> + <note><p>The old legacy <c>erl_interface</c> library (functions + with prefix <c>erl_</c>) is deprecated as of OTP 22, and will be + removed in OTP 23. This does not apply to the <c>ei</c> + library. Reasonably new <c>gcc</c> compilers will issue deprecation + warnings. In order to disable these warnings, define the macro + <c>EI_NO_DEPR_WARN</c>.</p></note> + <p>This module provides support for registering, looking up, and unregistering names in the <c>global</c> module. For more information, see diff --git a/lib/erl_interface/doc/src/erl_interface.xml b/lib/erl_interface/doc/src/erl_interface.xml index 4e66655b39..decd66046a 100644 --- a/lib/erl_interface/doc/src/erl_interface.xml +++ b/lib/erl_interface/doc/src/erl_interface.xml @@ -58,6 +58,18 @@ </list> <section> + <title>Deprecation and Removal</title> + <note><p>The support for VxWorks is deprecated as of OTP 22, and + will be removed in OTP 23.</p></note> + <note><p>The old legacy <c>erl_interface</c> library (functions + with prefix <c>erl_</c>) is deprecated as of OTP 22, and will be + removed in OTP 23. This does not apply to the <c>ei</c> + library. Reasonably new <c>gcc</c> compilers will issue deprecation + warnings. In order to disable these warnings, define the macro + <c>EI_NO_DEPR_WARN</c>.</p></note> + </section> + + <section> <title>Compiling and Linking Your Code</title> <p>In order to use any of the Erl_Interface functions, include the following lines in your code:</p> diff --git a/lib/erl_interface/doc/src/erl_malloc.xml b/lib/erl_interface/doc/src/erl_malloc.xml index aae3b7e078..6650620064 100644 --- a/lib/erl_interface/doc/src/erl_malloc.xml +++ b/lib/erl_interface/doc/src/erl_malloc.xml @@ -35,6 +35,14 @@ <lib>erl_malloc</lib> <libsummary>Memory allocation functions.</libsummary> <description> + <note><p>The support for VxWorks is deprecated as of OTP 22, and + will be removed in OTP 23.</p></note> + <note><p>The old legacy <c>erl_interface</c> library (functions + with prefix <c>erl_</c>) is deprecated as of OTP 22, and will be + removed in OTP 23. This does not apply to the <c>ei</c> + library. Reasonably new <c>gcc</c> compilers will issue deprecation + warnings. In order to disable these warnings, define the macro + <c>EI_NO_DEPR_WARN</c>.</p></note> <p>This module provides functions for allocating and deallocating memory.</p> </description> diff --git a/lib/erl_interface/doc/src/erl_marshal.xml b/lib/erl_interface/doc/src/erl_marshal.xml index 1a6d3bb43c..33d359d871 100644 --- a/lib/erl_interface/doc/src/erl_marshal.xml +++ b/lib/erl_interface/doc/src/erl_marshal.xml @@ -35,6 +35,14 @@ <lib>erl_marshal</lib> <libsummary>Encoding and decoding of Erlang terms.</libsummary> <description> + <note><p>The support for VxWorks is deprecated as of OTP 22, and + will be removed in OTP 23.</p></note> + <note><p>The old legacy <c>erl_interface</c> library (functions + with prefix <c>erl_</c>) is deprecated as of OTP 22, and will be + removed in OTP 23. This does not apply to the <c>ei</c> + library. Reasonably new <c>gcc</c> compilers will issue deprecation + warnings. In order to disable these warnings, define the macro + <c>EI_NO_DEPR_WARN</c>.</p></note> <p>This module contains functions for encoding Erlang terms into a sequence of bytes, and for decoding Erlang terms from a sequence of bytes.</p> diff --git a/lib/erl_interface/doc/src/notes.xml b/lib/erl_interface/doc/src/notes.xml index 1f95382704..c47f0d2bd1 100644 --- a/lib/erl_interface/doc/src/notes.xml +++ b/lib/erl_interface/doc/src/notes.xml @@ -31,6 +31,82 @@ </header> <p>This document describes the changes made to the Erl_interface application.</p> +<section><title>Erl_Interface 3.12</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + The vxworks configure has been updated to respect the + environment CFLAGS.</p> + <p> + Own Id: OTP-15773</p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + Minor adjustments made to build system for parallel + configure.</p> + <p> + Own Id: OTP-15340 Aux Id: OTP-14625 </p> + </item> + <item> + <p> + The limited support for VxWorks is deprecated as of OTP + 22, and will be removed in OTP 23.</p> + <p> + *** POTENTIAL INCOMPATIBILITY ***</p> + <p> + Own Id: OTP-15621</p> + </item> + <item> + <p>The old legacy <c>erl_interface</c> library (functions + with prefix <c>erl_</c>) is deprecated as of OTP 22, and + will be removed in OTP 23. This does not apply to the + <c>ei</c> library. Reasonably new <c>gcc</c> compilers + will issue deprecation warnings. In order to disable + these warnings, define the macro + <c>EI_NO_DEPR_WARN</c>.</p> + <p> + *** POTENTIAL INCOMPATIBILITY ***</p> + <p> + Own Id: OTP-15622</p> + </item> + <item> + <p>Added support to receive, decode, encode and send both + bit strings and export funs (<c>fun M:F/A</c>).</p> + <p>New functions <c>ei_decode_bitstring</c> and + <c>ei_encode_bitstring</c> have been added in order to + decode and encode bit strings where the number of bits is + not necessary divisible by 8 (a whole number of bytes). + The existing functions <c>ei_decode_fun</c> and + <c>ei_encode_fun</c> can now also handle export funs.</p> + <p>Before this change, bit strings and export funs sent + to an erl_interface c-node were encoded using an + undocumented fallback tuple format. For bit strings + <c>{Binary,BitsInLastByte}</c> and for export funs + <c>{M,F}</c>. Existing c-node implementations expecting + these tuples must be changed to instead use + <c>ei_decode_bitstring</c> and <c>ei_decode_fun</c>. As a + temporary solution you can also build erl_interface with + macro <c>EI_COMPAT=21</c> or call + <c>ei_set_compat_rel(21)</c> to receive the old fallback + tuples.</p> + <p> + *** POTENTIAL INCOMPATIBILITY ***</p> + <p> + Own Id: OTP-15712 Aux Id: OTP-15774 </p> + </item> + </list> + </section> + +</section> + <section><title>Erl_Interface 3.11.3</title> <section><title>Fixed Bugs and Malfunctions</title> @@ -64,6 +140,39 @@ </section> +<section><title>Erl_Interface 3.11.2.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + <c>erl_interface</c>/<c>ei</c> refused to use node names + with an alive name (the part of the node name preceding + the @ sign) longer than 63 characters and a host name + longer than 64 characters. The total amount of characters + allowed in a node name (alivename@hostname) was thus + limited to 128 characters. These limits applied both to + the own node name as well as node names of other nodes. + Ordinary Erlang nodes limit the node name length to 256 + characters, which meant that you could not communicate + with certain Erlang nodes due to their node name used.</p> + <p> + <c>erl_interface</c>/<c>ei</c> now allow the total amount + of characters in a node name to be up to 256 characters. + These characters may be distributed between alive name + and host name in whatever way needed. That is, the + maximum amount of characters in the alive name may be 254 + and the maximum amount of characters in the host name may + be 254, but in total the node name must not exceed 256 + characters.</p> + <p> + Own Id: OTP-15781 Aux Id: ERIERL-356 </p> + </item> + </list> + </section> + +</section> + <section><title>Erl_Interface 3.11.2</title> <section><title>Fixed Bugs and Malfunctions</title> @@ -202,6 +311,22 @@ </section> +<section><title>Erl_Interface 3.10.2.2</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Fix handling of Makefile dependencies so that parallel + make works properly.</p> + <p> + Own Id: OTP-15757</p> + </item> + </list> + </section> + +</section> + <section><title>Erl_Interface 3.10.2.1</title> <section><title>Fixed Bugs and Malfunctions</title> @@ -1652,4 +1777,3 @@ </section> </section> </chapter> - diff --git a/lib/erl_interface/doc/src/ref_man.xml b/lib/erl_interface/doc/src/ref_man.xml index 1e20637cb7..a4f947c79f 100644 --- a/lib/erl_interface/doc/src/ref_man.xml +++ b/lib/erl_interface/doc/src/ref_man.xml @@ -29,6 +29,14 @@ <file>ref_man.xml</file> </header> <description> + <note><p>The support for VxWorks is deprecated as of OTP 22, and + will be removed in OTP 23.</p></note> + <note><p>The old legacy <c>erl_interface</c> library (functions + with prefix <c>erl_</c>) is deprecated as of OTP 22, and will be + removed in OTP 23. This does not apply to the <c>ei</c> + library. Reasonably new <c>gcc</c> compilers will issue deprecation + warnings. In order to disable these warnings, define the macro + <c>EI_NO_DEPR_WARN</c>.</p></note> </description> <xi:include href="ei.xml"/> <xi:include href="ei_connect.xml"/> diff --git a/lib/erl_interface/doc/src/ref_man_ei.xml b/lib/erl_interface/doc/src/ref_man_ei.xml index 92ff9ed328..d8d1deaea1 100644 --- a/lib/erl_interface/doc/src/ref_man_ei.xml +++ b/lib/erl_interface/doc/src/ref_man_ei.xml @@ -30,8 +30,14 @@ <file>ref_man_ei.xml</file> </header> <description> - <p>The <c>ei</c> library is a <c>C</c> interface library for - communication with <c>Erlang</c>.</p> + <note><p>The support for VxWorks is deprecated as of OTP 22, and + will be removed in OTP 23.</p></note> + <note><p>The old legacy <c>erl_interface</c> library (functions + with prefix <c>erl_</c>) is deprecated as of OTP 22, and will be + removed in OTP 23. This does not apply to the <c>ei</c> + library. Reasonably new <c>gcc</c> compilers will issue deprecation + warnings. In order to disable these warnings, define the macro + <c>EI_NO_DEPR_WARN</c>.</p></note> <note> <p>By default, the <c>ei</c> library is only guaranteed to be compatible with other Erlang/OTP components from the same diff --git a/lib/erl_interface/doc/src/ref_man_erl_interface.xml b/lib/erl_interface/doc/src/ref_man_erl_interface.xml index 4b1d0e9981..2b69d0fa74 100644 --- a/lib/erl_interface/doc/src/ref_man_erl_interface.xml +++ b/lib/erl_interface/doc/src/ref_man_erl_interface.xml @@ -30,6 +30,14 @@ <file>ref_man_erl_interface.xml</file> </header> <description> + <note><p>The support for VxWorks is deprecated as of OTP 22, and + will be removed in OTP 23.</p></note> + <note><p>The old legacy <c>erl_interface</c> library (functions + with prefix <c>erl_</c>) is deprecated as of OTP 22, and will be + removed in OTP 23. This does not apply to the <c>ei</c> + library. Reasonably new <c>gcc</c> compilers will issue deprecation + warnings. In order to disable these warnings, define the macro + <c>EI_NO_DEPR_WARN</c>.</p></note> <p>The <c>erl_interface</c> library is a <c>C</c> interface library for communication with <c>Erlang</c>.</p> <note> |