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Diffstat (limited to 'erts/doc/src/start_erl.xml')
| -rw-r--r-- | erts/doc/src/start_erl.xml | 201 |
1 files changed, 113 insertions, 88 deletions
diff --git a/erts/doc/src/start_erl.xml b/erts/doc/src/start_erl.xml index 243aeaa717..4887d4606e 100644 --- a/erts/doc/src/start_erl.xml +++ b/erts/doc/src/start_erl.xml @@ -28,117 +28,142 @@ <docno></docno> <approved></approved> <checked></checked> - <date>98-08-05</date> + <date>1998-08-05</date> <rev></rev> <file>start_erl.xml</file> </header> <com>start_erl</com> - <comsummary>Start Erlang for embedded systems on Windows NT®</comsummary> + <comsummary>Start Erlang for embedded systems on Windows systems.</comsummary> <description> - <p>This describes the <c><![CDATA[start_erl]]></c> program specific to Windows - NT. Although there exists programs with the same name on other - platforms, their functionality is not the same.</p> - <p>The <c><![CDATA[start_erl]]></c> program is distributed both in compiled + <p>The <c><![CDATA[start_erl]]></c> program is specific to + Windows NT/2000/XP (and later versions of Windows). + Although there are programs with the same name on other + platforms, their functionality is different.</p> + + <p>This program is distributed both in compiled form (under <Erlang root>\\erts-<version>\\bin) and - in source form (under <Erlang - root>\\erts-<version>\\src). - The purpose of the source code is to make it possible to easily - customize the program for local needs, such as cyclic restart - detection etc. There is also a "make"-file, written for the - <c><![CDATA[nmake]]></c> program distributed with Microsoft® Visual - C++®. The program can however be compiled with - any Win32 C compiler (possibly with slight modifications).</p> - <p>The purpose of the program is to aid release handling on - Windows NT®. The program should be called by the + in source form (under <Erlang root>\\erts-<version>\\src). + The purpose of the source code is to ease customization of the + program for local needs, such as cyclic restart + detection. There is also a "make"-file, written for the + <c><![CDATA[nmake]]></c> program distributed with Microsoft Visual + C++. This program can, however, be compiled with + any Win32 C compiler (possibly with minor modifications).</p> + + <p>This program aids release handling on Windows systems. + The program is to be called by the <c><![CDATA[erlsrv]]></c> program, read up the release data file - start_erl.data and start Erlang. Certain options to start_erl - are added and removed by the release handler during upgrade with - emulator restart (more specifically the <c><![CDATA[-data]]></c> option).</p> + <c>start_erl.data</c>, and start Erlang. Some options to + <c>start_erl</c> are added and removed by the release handler + during upgrade with emulator restart (more specifically option + <c><![CDATA[-data]]></c>).</p> </description> + <funcs> <func> <name>start_erl [<erl options>] ++ [<start_erl options>]</name> - <fsummary>Start the Erlang emulator with the correct release data</fsummary> + <fsummary>Start the Erlang emulator with the correct release data. + </fsummary> <desc> - <p>The <c><![CDATA[start_erl]]></c> program in its original form + <p>The <c><![CDATA[start_erl]]></c> program in its original form recognizes the following options:</p> <taglist> - <tag>++</tag> - <item>Mandatory, delimits start_erl options from normal Erlang - options. Everything on the command line <em>before</em> the - <c><![CDATA[++]]></c> is interpreted as options to be sent to the - <c><![CDATA[erl]]></c> program. Everything <em>after</em><c><![CDATA[++]]></c> is - interpreted as options to <c><![CDATA[start_erl]]></c> itself.</item> - <tag>-reldir <release root></tag> - - <item>Mandatory if the environment variable - <c><![CDATA[RELDIR]]></c> is not specified and no - <c>-rootdir</c> option is given. Tells start_erl where the - root of the release tree is placed in the file-system (typically - <Erlang root>\\releases). The - <c><![CDATA[start_erl.data]]></c> file is expected to be - placed in this directory (if not otherwise specified). If - only the <c>-rootdir</c> option is given, the directory is - assumed to be <Erlang root>\\releases.</item> - - <tag>-rootdir <Erlang root directory></tag> - - <item>Mandatory if <c>-reldir</c> is not given and there is - no <c><![CDATA[RELDIR]]></c> in the environment. This - specifies the Erlang installation root directory (under - which the <c>lib</c>, <c>releases</c> and - <c>erts-<Version></c> directories are placed). If only - <c>-reldir</c> (or the environment variable - <c><![CDATA[RELDIR]]></c>) is given, the Erlang root is assumed to - be the directory exactly one level above the release - directory.</item> - - <tag>-data <data file name></tag> - <item>Optional, specifies another data file than start_erl.data - in the <release root>. It is specified relative to the - <release root> or absolute (including drive letter - etc.). This option is used by the release handler during - upgrade and should not be used during normal - operation. The release data file should not normally be - named differently.</item> - <tag>-bootflags <boot flags file name></tag> - <item>Optional, specifies a file name relative to actual release - directory (that is the subdirectory of <release - root> where the <c><![CDATA[.boot]]></c> file etc. are placed). - The contents of this file is appended to the command line - when Erlang is started. This makes it easy to start the - emulator with different options for different releases.</item> + <tag><c>++</c></tag> + <item> + <p>Mandatory. Delimits <c>start_erl</c> options from normal Erlang + options. Everything on the command line <em>before</em> + <c><![CDATA[++]]></c> is interpreted as options to be sent to the + <c><![CDATA[erl]]></c> program. Everything <em>after</em> + <c><![CDATA[++]]></c> is interpreted as options to + <c><![CDATA[start_erl]]></c> itself.</p> + </item> + <tag><c>-reldir <release root></c></tag> + <item> + <p>Mandatory if environment variable + <c><![CDATA[RELDIR]]></c> is not specified and no + <c>-rootdir</c> option is specified. Tells <c>start_erl</c> where + the root of the release tree is located in the file system + (typically <Erlang root>\\releases). The + <c><![CDATA[start_erl.data]]></c> file is expected to be + located in this directory (unless otherwise specified). If + only option <c>-rootdir</c> is specified, the directory is + assumed to be <Erlang root>\\releases.</p> + </item> + <tag><c>-rootdir <Erlang root directory></c></tag> + <item> + <p>Mandatory if <c>-reldir</c> is not specified and no + <c><![CDATA[RELDIR]]></c> exists in the environment. This + specifies the Erlang installation root directory (under + which the <c>lib</c>, <c>releases</c>, and + <c>erts-<Version></c> directories are located). If only + <c>-reldir</c> (or environment variable <c><![CDATA[RELDIR]]></c>) + is specified, the Erlang root is assumed to + be the directory exactly one level above the release + directory.</p> + </item> + <tag><c>-data <data file name></c></tag> + <item> + <p>Optional. Specifies another data file than <c>start_erl.data</c> + in the <release root>. It is specified relative to the + <release root> or absolute (including drive letter, and so + on). This option is used by the release handler during + upgrade and is not to be used during normal + operation. Normally the release data file is not to be + named differently.</p> + </item> + <tag><c>-bootflags <boot flags file name></c></tag> + <item> + <p>Optional. Specifies a file name relative to the release + directory (that is, the subdirectory of <release root> + where the <c><![CDATA[.boot]]></c> file and others are located). + The contents of this file is appended to the command line + when Erlang is started. This makes it easy to start the + emulator with different options for different releases.</p> + </item> </taglist> </desc> </func> </funcs> <section> - <title>NOTES</title> - <p>As the source code is distributed, it can easily be modified to - accept other options. The program must still accept the - <c><![CDATA[-data]]></c> option with the semantics described above for the - release handler to work correctly.</p> - <p>The Erlang emulator is found by examining the registry keys for - the emulator version specified in the release data file. The new - emulator needs to be properly installed before the upgrade for - this to work.</p> - <p>Although the program is located together with files specific to - emulator version, it is not expected to be specific to the - emulator version. The release handler does <em>not</em> change the - <c><![CDATA[-machine]]></c> option to <c><![CDATA[erlsrv]]></c> during emulator restart. - Place the (possibly customized) <c><![CDATA[start_erl]]></c> program so that - it is not overwritten during upgrade. </p> - <p>The <c><![CDATA[erlsrv]]></c> program's default options are not - sufficient for release handling. The machine <c><![CDATA[erlsrv]]></c> - starts should be specified as the <c><![CDATA[start_erl]]></c> program and - the arguments should contain the <c><![CDATA[++]]></c> followed by desired - options.</p> + <title>Notes</title> + <list type="bulleted"> + <item> + <p>As the source code is distributed, it can easily be modified to + accept other options. The program must still accept option + <c><![CDATA[-data]]></c> with the semantics described above for the + release handler to work correctly.</p> + </item> + <item> + <p>The Erlang emulator is found by examining the registry keys for + the emulator version specified in the release data file. The new + emulator must be properly installed before the upgrade for + this to work.</p> + </item> + <item> + <p>Although the program is located together with files specific to the + emulator version, it is not expected to be specific to the + emulator version. The release handler does <em>not</em> change option + <c><![CDATA[-machine]]></c> to <c><![CDATA[erlsrv]]></c> during + emulator restart. Locate the (possibly customized) + <c><![CDATA[start_erl]]></c> program so that it is not overwritten + during upgrade.</p> + </item> + <item> + <p>The default options of the <c><![CDATA[erlsrv]]></c> program are not + sufficient for release handling. The machine started by + <c><![CDATA[erlsrv]]></c> is be specified as the + <c><![CDATA[start_erl]]></c> program and the arguments are to contain + <c><![CDATA[++]]></c> followed by the desired options.</p> + </item> + </list> </section> <section> - <title>SEE ALSO</title> - <p>erlsrv(1), release_handler(3)</p> + <title>See Also</title> + <p><seealso marker="erlsrv"><c>erlsrv(1)</c></seealso>, + <seealso marker="sasl:release_handler"> + <c>release_handler(3)</c></seealso></p> </section> </comref> |