diff options
Diffstat (limited to 'lib/erl_interface/doc/src/notes_history.xml')
| -rw-r--r-- | lib/erl_interface/doc/src/notes_history.xml | 367 |
1 files changed, 367 insertions, 0 deletions
diff --git a/lib/erl_interface/doc/src/notes_history.xml b/lib/erl_interface/doc/src/notes_history.xml new file mode 100644 index 0000000000..f484f3c04e --- /dev/null +++ b/lib/erl_interface/doc/src/notes_history.xml @@ -0,0 +1,367 @@ +<?xml version="1.0" encoding="latin1" ?> +<!DOCTYPE chapter SYSTEM "chapter.dtd"> + +<chapter> + <header> + <copyright> + <year>2006</year><year>2009</year> + <holder>Ericsson AB. All Rights Reserved.</holder> + </copyright> + <legalnotice> + The contents of this file are subject to the Erlang Public License, + Version 1.1, (the "License"); you may not use this file except in + compliance with the License. You should have received a copy of the + Erlang Public License along with this software. If not, it can be + retrieved online at http://www.erlang.org/. + + Software distributed under the License is distributed on an "AS IS" + basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + the License for the specific language governing rights and limitations + under the License. + + </legalnotice> + + <title>Erl_Interface Release Notes History</title> + <prepared></prepared> + <docno></docno> + <date></date> + <rev></rev> + </header> + + <section> + <title>Erl_Interface 3.4</title> + + <section> + <title>Fixed Bugs and Malfunctions</title> + <list type="bulleted"> + <item> + <p><c><![CDATA[erl_print_term()]]></c> and <c><![CDATA[erl_copy_term()]]></c> could not + previously handle uints. This bug has now been fixed.</p> + <p>Own Id: OTP-4061 Aux Id: seq7079</p> + </item> + <item> + <p><c><![CDATA[ei_x_format()]]></c> was not working correctly for floating + point arguments on some platforms. This is now corrected.</p> + <p>Own Id: OTP-4379</p> + </item> + <item> + <p><c><![CDATA[erl_compare_ext()]]></c> did not compare the node parts of + pids, ports, and references. This has now been fixed. + Comparison between two pids, ports, or references does now + conform to the Erlang specification.</p> + <p>Own Id: OTP-4512 Aux Id: OTP-4511</p> + </item> + </list> + </section> + + <section> + <title>Improvements and New Features</title> + <list type="bulleted"> + <item> + <p>Erl_Interface and EI now supports 64 bit architectures.</p> + <p>Own Id: OTP-4772</p> + </item> + <item> + <p>There are new functions that support the GCC and Visual + C++ 64 bit extended integer types.</p> + <code type="none"><![CDATA[ +int ei_decode_longlong(const char *buf, int *index, EI_LONGLONG *p); +int ei_decode_ulonglong(const char *buf, int *index, EI_ULONGLONG *p); +int ei_encode_longlong(char *buf, int *index, EI_LONGLONG p); +int ei_encode_ulonglong(char *buf, int *index, EI_ULONGLONG p); +int ei_x_encode_longlong(ei_x_buff* x, EI_LONGLONG n); +int ei_x_encode_ulonglong(ei_x_buff* x, EI_ULONGLONG n); + ]]></code> + <p>Own Id: OTP-4772</p> + </item> + <item> + <p>If you compile the library from source you can use the ei + library together with GMP, the GNU multi precision + library, to convert integers larger than 64 bits from and + to the external format.</p> + <code type="none"><![CDATA[ +int ei_decode_bignum(const char *buf, int *index, mpz_t obj); +int ei_encode_bignum(char *buf, int *index, mpz_t obj); +int ei_x_encode_bignum(ei_x_buff *x, mpz_t obj); + ]]></code> + <p>Own Id: OTP-4772</p> + </item> + <item> + <p>Some general code improvements where done like correcting + buffer sizes, added more error checking etc.</p> + <p>Own Id: OTP-4772</p> + </item> + <item> + <p>In order to conform to the Erlang specification, + comparison between two pids was changed in the R9B + release. This change did however break a deadlock + prevention algorithm used by Mnesia during release + upgrade. Therefore, comparison between two pids has been + changed back so that R9B nodes are compatible with Erlang + nodes running pre-R9 releases.</p> + <p>Pre-R9 comparison between two pids which now is used + again: If t1 and t2 are both pids, t1 will precede t2 if + and only if either</p> + <list type="bulleted"> + <item>the node local id of t1 precedes the node local id + of t2, or</item> + <item>the node local ids of t1 and t2 are equal, and + node(t1) precedes node(t2), or</item> + <item>the node local ids of t1 and t2 are equal, and also + node(t1) and node(t2) are equal, and node(t1) was + created before node(t2).</item> + </list> + <p>The node local id consist of two integers; serial which + is most significant, and number.</p> + <p>The Erlang specification states: If t1 and t2 are both + refs, both PIDs, or both ports, then t1 precedes t2 if + and only if either</p> + <list type="bulleted"> + <item>node(t1) precedes node(t2), or</item> + <item>node(t1) equals node(t2) and t1 was created before + t2.</item> + </list> + <p>Note that comparisons between two refs, or two ports will + still conform to the Erlang specification.</p> + <p>*** POTENTIAL INCOMPATIBILITY ***</p> + <p>Own Id: OTP-4715 Aux Id: OTP-4511, OTP-4512</p> + </item> + </list> + </section> + </section> + + <section> + <title>ErlInterface 3.3</title> + + <section> + <title>Improvements and New Features</title> + <list type="bulleted"> + <item> + <p>Erl_Interface has been rewritten extensively. The library + <c><![CDATA[ei]]></c> is now documented and supported. The old + <c><![CDATA[erl_interface]]></c> is considered obsolete, and provided + only for backward compatibility.</p> + </item> + <item> + <p>Erl_Interface is now thread-safe, and multiple C-nodes may + run from the same process.</p> + </item> + <item> + <p>New functions are added for connecting and accepting + connections from <c><![CDATA[ei]]></c>; these are documented in + <c><![CDATA[ei_connect]]></c>.</p> + </item> + <item> + <p>New functions are added for converting to and from Erlang + binary format; these are documented in <c><![CDATA[ei]]></c>.</p> + </item> + </list> + </section> + </section> + + <section> + <title>Erl_Interface 3.2.9</title> + + <section> + <title>Fixed Bugs and Malfunctions</title> + <list type="bulleted"> + <item> + <p>Changed back the return values from <c><![CDATA[erl_send()]]></c> and + <c><![CDATA[erl_reg_send()]]></c> to 1 (as they used to be). + Incompatible with plain R7, compatible with previous + versions.</p> + <p>*** INCOMPATIBILITY with R7B ***</p> + <p>Own Id: OTP-3772</p> + </item> + <item> + <p>A race-condition bug in the term allocation routines was + corrected.</p> + <p>Own Id: OTP-3809</p> + </item> + <item> + <p>Erl_Interface could not be linked with pthreads.</p> + <p>Own Id: OTP-3810 Aux Id: Seq 5032</p> + </item> + <item> + <p>The TCB of VxWorks processes no longer grows when + <c><![CDATA[erl_errno]]></c> is accessed. On Pthreads platforms + the use of <c><![CDATA[erl_errno]]></c> no longer crashes programs + using multithreading.</p> + <p>Own Id: OTP-3820</p> + </item> + <item> + <p>Name clashes between Erlang emulator and Erl_Interface + on VxWorks removed.</p> + <p>Own Id: OTP-3824</p> + </item> + </list> + </section> + </section> + + <section> + <title>Erl_Interface 3.2.3</title> + + <section> + <title>Fixed Bugs and Malfunctions</title> + <list type="bulleted"> + <item> + <p>Memory lossage affecting pids, ports and refs fixed.</p> + </item> + </list> + </section> + </section> + + <section> + <title>Erl_Interface 3.2.2</title> + + <section> + <title>Improvements and New Features</title> + <list type="bulleted"> + <item> + <p>An error reporting facility <c><![CDATA[erl_errno]]></c> has been + introduced.</p> + <p>Own Id: OTP-3641</p> + </item> + <item> + <p>ETERMs are now shrunk to a more reasonable size.</p> + <p>Own Id: OTP-3648</p> + <p></p> + </item> + </list> + </section> + </section> + + <section> + <title>Erl_Interface 3.2.1</title> + + <section> + <title>Fixed Errors and Malfunctions</title> + <list type="bulleted"> + <item> + <p>Lists containing negative numbers were incorrectly + encoded by <c><![CDATA[erl_encode()]]></c>. This has been corrected.</p> + <p>Own Id: OTP-3535</p> + </item> + </list> + </section> + </section> + + <section> + <title>Erl_Interface 3.2</title> + + <section> + <title>Improvements and New Features</title> + <list type="bulleted"> + <item> + <p>The reference type has been extended from 18 bits to + 82 bits. For compatibility with older nodes, an R6 node + can send a ref to an older node; if the older node sends + it back, it has lost all but its 18 least significant + bits, but still compares equal to the original ref. + The external format has been extended to represent the new + longer refs; that means for example that binaries with + refs, produced on an R6 node, cannot be converted to a + term on an older node. + In <c><![CDATA[erl_interface]]></c>, a function <c><![CDATA[erl_mk_long_ref]]></c> + has been added, and macros <c><![CDATA[ERL_REF_NUMBERS]]></c> and + <c><![CDATA[ERL_REF_LEN]]></c>.</p> + <p>*** POTENTIAL INCOMPATIBILITY ***</p> + <p>Own Id: OTP-3140 Aux Id: OTP-3139</p> + </item> + <item> + <p>The function <c><![CDATA[erl_receive_msg]]></c> has the problem that + a fixed buffer must be given - a larger message than + expected is simply discarded. A function + <c><![CDATA[erl_xreceive_msg]]></c> has been introduced, which + dynamically resizes the buffer given to it, if needed.</p> + <p>Own Id: OTP-3313 Aux Id: OTP-2927</p> + </item> + </list> + </section> + </section> + + <section> + <title>Erl_Interface 3.1.1</title> + + <section> + <title>Improvements and New Features</title> + <list type="bulleted"> + <item> + <p><c><![CDATA[#ifdef __cplusplus extern C {]]></c> is added to all the + <c><![CDATA[erl*.h]]></c> and <c><![CDATA[ei*.h]]></c> files in order to support + use from C++.</p> + <p>On Unix the object files are now produced with + the <c><![CDATA[-fPIC]]></c> option to make it possible to include + them in a shared library.</p> + <p>Own Id: OTP-3138 Aux Id: Seq 1722</p> + </item> + </list> + </section> + </section> + + <section> + <title>Erl_Interface 3.1</title> + + <section> + <title>Fixed Bugs and Malfunctions</title> + <list type="bulleted"> + <item> + <p>A buffer overflow in <c><![CDATA[erl_connect()]]></c> was causing + C-node crashes on Linux.</p> + <p>Own Id: OTP-2743</p> + </item> + <item> + <p>When decoding very long strings (more than 65535 + characters) the terminating 0 was left out.</p> + <p>Own Id: OTP-2744</p> + </item> + <item> + <p><c><![CDATA[erl_accept()]]></c> was not handshaking properly with + Erlang, causing incoming connection attempts to fail.</p> + <p>Own Id: OTP-2862</p> + </item> + <item> + <p>Very large negative numbers are no longer encoded + incorrectly.</p> + <p>Own Id: OTP-2897</p> + </item> + <item> + <p>Atoms could sometimes contain an unterminated string. + This is fixed.</p> + <p>Own Id: OTP-2956</p> + </item> + <item> + <p>Erl_Interface now uses the SENS resolver functions if + they are available at runtime. This primarily concerns + use on the VxWorks platform.</p> + <p>Own Id: OTP-3034 Aux Id: Seq 1559</p> + </item> + <item> + <p>The documentation for <c><![CDATA[erl_connect_init()]]></c> no longer + makes erroneous reference to the remote node.</p> + <p>Own Id: OTP-3102 Aux Id: Seq 1671</p> + </item> + </list> + </section> + + <section> + <title>Improvements and New Features</title> + <list type="bulleted"> + <item> + <p>Erl_Interface has been moved out of the Erlang runtime + system (ERTS) and is now a separate application. This has + implications for all users of Erl_Interface, who will + need to make changes to the Makefiles used to build + applications based on Erl_Interface. In particular, + header and library files are no longer in + <c><![CDATA[$(OTPROOT)/usr/]]></c>. The <c><![CDATA[include]]></c> and <c><![CDATA[lib]]></c> + directories are now located in the directory + <c><![CDATA[$(OTPROOT)/lib/erl_interface-3.1]]></c> (i.e. + the directory name is now version specific).</p> + <p>Own Id: OTP-3082</p> + </item> + </list> + </section> + </section> +</chapter> + |