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Diffstat (limited to 'lib/cosTime/doc/src/cosTime.xml')
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diff --git a/lib/cosTime/doc/src/cosTime.xml b/lib/cosTime/doc/src/cosTime.xml new file mode 100644 index 0000000000..8bc80f2322 --- /dev/null +++ b/lib/cosTime/doc/src/cosTime.xml @@ -0,0 +1,174 @@ +<?xml version="1.0" encoding="latin1" ?> +<!DOCTYPE erlref SYSTEM "erlref.dtd"> + +<erlref> + <header> + <copyright> + <year>2000</year> + <year>2007</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. + + The Initial Developer of the Original Code is Ericsson AB. + </legalnotice> + + <title>cosTime</title> + <prepared>Niclas Eklund</prepared> + <responsible>Niclas Eklund</responsible> + <docno></docno> + <approved>Niclas Eklund</approved> + <checked></checked> + <date>2000-01-31</date> + <rev>PA1</rev> + </header> + <module>cosTime</module> + <modulesummary>The main module of the cosTime application</modulesummary> + <description> + <p>To get access to the record definitions for the structures use: <br></br> +<c>-include_lib("cosTime/include/*.hrl").</c></p> + <p>This module contains the functions for starting and stopping the application.</p> + <p>This application use the time base <em>15 october 1582 00:00</em>. + Performing operations using other time bases will not yield correct result.</p> + <p>The OMG CosTime specification defines the operation + <c>secure_universal_time</c>. As of today we cannot provide this functionality + considering the criteria demanded to fulfill the OMG specification.</p> + <p>When using this application, time and inaccuracy supplied by the user must + be given in number of <em>100 nano seconds</em>. The + <em>Time Displacement Factor</em> is positive east of the meridian, while + those to the west are negative.</p> + <p>This application use <c>calender:now_to_universal_time(Now)</c> to create a + UTC. Hence, the underlying OS must deliver a correct result when calling + <c>erlang:now()</c>.</p> + <p>When determining the inaccuracy of the system, the user should consider the + way the time objects will be used. Communicating with other ORB's, add a + substantial overhead and should be taken into consideration.</p> + </description> + <funcs> + <func> + <name>install_time() -> Return</name> + <fsummary>Install the cosTime Time Service part application</fsummary> + <type> + <v>Return = ok | {'EXIT', Reason}</v> + </type> + <desc> + <p>This operation installs the cosTime Time Service part application.</p> + </desc> + </func> + <func> + <name>uninstall_time() -> Return</name> + <fsummary>Uninstall the cosTime Time Service part application</fsummary> + <type> + <v>Return = ok | {'EXIT', Reason}</v> + </type> + <desc> + <p>This operation uninstalls the cosTime Time Service part application.</p> + </desc> + </func> + <func> + <name>install_timerevent() -> Return</name> + <fsummary>Install the cosTime Timer Event Service part application</fsummary> + <type> + <v>Return = ok | {'EXIT', Reason}</v> + </type> + <desc> + <p>This operation installs the cosTime Timer Event Service part application.</p> + <note> + <p>The Timer Event Service part requires <em>Time Service</em> part and + <em>cosEvent</em> or the <em>cosNotification</em> application to be installed + first.</p> + </note> + </desc> + </func> + <func> + <name>uninstall_timerevent() -> Return</name> + <fsummary>Uninstall the cosTime Timer Event Service part application</fsummary> + <type> + <v>Return = ok | {'EXIT', Reason}</v> + </type> + <desc> + <p>This operation uninstalls the cosTime Timer Event Service part application.</p> + </desc> + </func> + <func> + <name>start() -> Return</name> + <fsummary>Start the cosTime application</fsummary> + <type> + <v>Return = ok | {error, Reason}</v> + </type> + <desc> + <p>This operation starts the cosTime application.</p> + </desc> + </func> + <func> + <name>stop() -> Return</name> + <fsummary>Stop the cosTime application</fsummary> + <type> + <v>Return = ok | {error, Reason}</v> + </type> + <desc> + <p>This operation stops the cosTime application.</p> + </desc> + </func> + <func> + <name>start_time_service(Tdf, Inaccuracy) -> Return</name> + <fsummary>Start a Time Service object</fsummary> + <type> + <v>Tdf = short()</v> + <v>Inaccuracy = ulonglong(), eq. #100 nano seconds</v> + <v>Return = ok | {'EXCEPTION', #'BAD_PARAM'{}}</v> + </type> + <desc> + <p>This operation starts a Time Service server. Please note that there + may only be exactly one Time Service active at a time. The <c>Inaccuracy</c> + parameter defines the inaccuracy the underlying OS will introduce. Remember + to take into account latency when passing time object between nodes.</p> + </desc> + </func> + <func> + <name>stop_time_service(TimeService) -> ok</name> + <fsummary>Stop the target Time Service object</fsummary> + <type> + <v>TimeService = #objref</v> + </type> + <desc> + <p>This operation stops the Time Service object.</p> + </desc> + </func> + <func> + <name>start_timerevent_service(TimeService) -> ok</name> + <fsummary>Start a Timer Event Service object</fsummary> + <type> + <v>TimeService = #objref</v> + </type> + <desc> + <p>This operation starts a Timer Event Service server. Please note that there + may only be exactly one Timer Event Service per node active at a time. The + supplied TimeServcie reference will be the object Timer Event Service + contacts to get access to a new UTC.</p> + </desc> + </func> + <func> + <name>stop_timerevent_service(TimerEventService) -> ok</name> + <fsummary>Stop the target Timer Event Service object</fsummary> + <type> + <v>TimerEventService = #objref</v> + </type> + <desc> + <p>This operation stops the Timer Event Service object.</p> + </desc> + </func> + </funcs> + +</erlref> + |