diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/html/H5.format.html | 76 |
1 files changed, 73 insertions, 3 deletions
diff --git a/doc/html/H5.format.html b/doc/html/H5.format.html index fbe22e8..a4707b8 100644 --- a/doc/html/H5.format.html +++ b/doc/html/H5.format.html @@ -124,13 +124,14 @@ TABLE.list TD { border:none; } <li><a href="#LayoutMessage">Name: Data Storage - Layout</a> <!-- 0x0008 --> <li><a href="#ReservedMessage_0009">Name: Reserved - not assigned yet</a> <!-- 0x0009 --> <li><a href="#ReservedMessage_000A">Name: Reserved - not assigned yet</a> <!-- 0x000a --> - <li><a href="#FilterMessage">Name: Data Storage - Filter Pipeline</a> <!-- 0x000b --> + <li><a href="#FilterMessage">Name: Data Storage - Filter Pipeline</a> <!-- 0x000b --> <li><a href="#AttributeMessage">Name: Attribute</a> <!-- 0x000c --> <li><a href="#NameMessage">Name: Object Name</a> <!-- 0x000d --> - <li><a href="#ModifiedMessage">Name: Object Modification Date and Time</a> <!-- 0x000e --> + <li><a href="#OldModifiedMessage">Name: Object Modification Date and Time (Old)</a> <!-- 0x000e --> <li><a href="#SharedMessage">Name: Shared Object Message</a> <!-- 0x000f --> <li><a href="#ContinuationMessage">Name: Object Header Continuation</a> <!-- 0x0010 --> <li><a href="#SymbolTableMessage">Name: Group Message</a> <!-- 0x0011 --> + <li><a href="#ModifiedMessage">Name: Object Modification Date and Time</a> <!-- 0x0012 --> </ol> <li><a href="#SharedObjectHeader">Disk Format: Level 2b - Shared Data Object Headers</a> <li><a href="#DataStorage">Disk Format: Level 2c - Data Object Data Storage</a> @@ -5213,7 +5214,7 @@ TABLE.list TD { border:none; } </center> <hr> - <h4><a name="ModifiedMessage">Name: Object Modification Date & Time</a></h4> + <h4><a name="OldModifiedMessage">Name: Object Modification Date & Time (Old)</a></h4> <p><b>Header Message Type:</b> 0x000E<br> <b>Length:</b> fixed<br> @@ -5502,6 +5503,75 @@ where the group name heap is located. </dl> </dl> + <hr> + <h4><a name="ModifiedMessage">Name: Object Modification Date & Time</a></h4> + + <P class=item><B>Header Message Type:</B> 0x0012 + </P> + <P class=item><B>Length:</B> Fixed + </P> + <P class=item><B>Status:</B> Optional, may not be repeated. + </P> + + <P class=item><B>Description:</B> The object modification date + and time is a timestamp which indicates + the last modification of an object. The time is + updated when any object header message changes according to the + system clock where the change was posted. + </P> + + <p> + <center> + <table border align=center cellpadding=4 width="80%"> + <caption align=top> + <b>Modification Time Message</b> + </caption> + + <tr align=center> + <th width="25%">byte</th> + <th width="25%">byte</th> + <th width="25%">byte</th> + <th width="25%">byte</th> + </tr> + + <tr align=center> + <td colspan=1>Version</td> + <td colspan=3>Reserved</td> + </tr> + + <tr align=center> + <td colspan=4>Seconds After Epoch</td> + </tr> + </table> + </center> + + <p> + <center> + <table align=center width="80%"> + <tr align=left> + <th width="30%"><U><font size=+1>Field Name</font></U></th> + <th><U><font size=+1>Description</font></U></th> + </tr> + + <tr valign=top> + <td>Version</td> + <td>The version number for the message. This document + describes version one of the new modification time message.</td> + </tr> + + <tr valign=top> + <td>Reserved</td> + <td>This field is reserved and should always be zero.</td> + </tr> + + <tr valign=top> + <td>Seconds After Epoch</td> + <td>The number of seconds since 0 hours, 0 + minutes, 0 seconds, January 1, 1970, Coordinated Universal Time. + </tr> + </table> + </center> + <h3><a name="SharedObjectHeader">Disk Format: Level 2b - Shared Data Object Headers</a></h3> <P>In order to share header messages between several dataset objects, object header messages may be placed into the global heap. Since these |