Fully enable readers/writer locking in metadata cache and correct errors
in cache clients which were modifying a cache entry while only holding a
read lock on it.
Tested on:
Mac OS X/32 10.4.9 (amazon)
Linux/32 2.6 (chicago)
Linux/64 2.6 (chicago2)
FreeBSD/32 6.2 (duty)
FreeBSD/64 6.2 (liberty)
Rename new error handling API routines from H5E<foo>_stack() to
H5E<foo>2().
Tested on:
Mac OS X/32 10.4.9 (amazon)
FreeBSD/32 6.2 (duty)
FreeBSD/64 6.2 (liberty)
Change H5[D|G|T]<foo>_expand() "temporary" API routines to
H5[D|G|T]<foo>2() "versioned" routines. Also added
H5[D|G|T](create|commit)_anon() routines to continue to allow "anonymous"
objects to be created in a file.
Tested on:
Mac OS X/32 10.4.9 (amazon)
FreeBSD/32 6.2 (duty)
FreeBSD/64 6.2 (liberty)
Linux/32 2.6 (chicago)
Linux/64 2.6 (chicago2)
cache entries. Added test code to test the new feature. Also some
minor cleanum
h5committested -- passed on copper and sol. Failed on osage with
a configuration error that appears unrelated to my changes. Serial
test (debug mode) passes on Phoenix (Linux x86 2.6 kernel), so I
went ahead with the checkin.
check if fseeko is available. Using it instead of fseek can support
big files because the offset is of type off_t not long int. Also
added the test for STDIO in big.c.
Add version # and flags to external link format (as fields in a single
byte), in order to accomodate future changes/expansions.
Tested on:
Mac OS X/32 10.4.9 (amazon)
Linux/32 2.6 (chicago)
Linux/64 2.6 (chicago2)
FreeBSD/32 6.2 (duty)
FreeBSD/64 6.2 (liberty)
Check in changes from Elena and I to get pgcc compiler working again.
Primarily (all?) changes to move from using 'hsize_t' as array index to using
something else ('size_t') mostly.
Tested on:
Linux/32 2.4 kagiso w/pgcc
if there's VL type of data in the dataset, the address of the data is copied
multiple times into the buffer, causing some trouble when the data is released.
Instead, this checkin makes multiple copies of fill value first, then
does conversion on each element so that each of them has a copy of the
VL data. A test is added, too.
Tested it on kagiso, sol, and copper.
Added H5Lexists() API routine, which determines if a link of a particular
name exists in a group.
Tested on:
Linux/32 2.6 (chicago)
Linux/64 2.6 (chicago2)
reference test object reference failed if faked address is 100.
Skipped this test for now.
Also removed the incorrected added COMPAT_1.4 parts.
Tested in kagiso.
Eliminate storing # of links in "link info" message, regenerate it
when the object is opened instead.
Tested on:
FreeBSD/32 6.2 (duty)
Mac OS X/32 10.4.8 (amazon)
Move ref. count of # of links to an object out of the object header's
prefix and make it a header message instead (since it's a "rare" occurence),
eliminating some more space for each object in the file.
Inserting this "ref. count" message exposed a flaw in the library's
mechanism for locating a message to promote to another chunk and replace
with a continuation message, which required some additional work to fix.
It's still not completely robust, but it's working for more cases now and
detects failures robustly.
Reduced the minimum size of an object header chunk to just enough to
contain a header message prefix and continuation message.
Tested on:
FreeBSD/32 6.2 (duty)
Move "creation order tracked" flag from "group info" to "link info"
object header message and make the "max. creation order value" optional in the
"link info", if the creation order for links is not tracked.
Also, get rid of unused "index names" flag - names are always indexed
currently.
Tested on:
FreeBSD/32 6.2 (duty)
Eliminate message count from new version of object header prefix -
it can be computed when the header is loaded and the table of messages is
built.
Tested on:
FreeBSD/32 6.2 (duty)
Move attribute tracking information out of object header prefix and
make it into a message that is inserted only when attributes are present on
the object.
Tested on:
FreeBSD/32 6.2 (duty)
The main purpose of this checkin was to eliminate the
space used for tracking creation time indices when there is no way they
can be used (i.e. attributes can't be shared in the file and the user hasn't
turned on attribute creation tracking), however there were some other minor
changes which crept in:
- Fix a cache locking deadlock when a shared attribute and one of its
components end up in the same fractal heap direct block.
(This is fixed the "slow" way for right now, until John has time
to add support for readers/writer locking to the cache.
- Optimize attribute copying when a copy will be kept during a v2 B-tree
search.
- When freeing a block on disk, attempt to merge it with the metadata
and "small data" aggregators.
Tested on:
Mac OS X/32 10.4.8 (amazon)
FreeBSD/32 6.2 (duty)
Fix bug in external links when "strong" file close degree is used.
Make external link callbacks use standard error reporting mechanisms.
Other minor code cleanups...
Tested on:
Mac OS X/32 10.4.8 (amazon)
FreeBSD/32 6.2 (duty)
Add object creation property (H5P[s|g]et_obj_track_times) to disable
storing timestamps on objects, which makes the object's header size smaller.
Also, added object header status flags to H5O_info_t struct (for
H5Oget_info/H5Oget_info_by_idx) and cleaned up other field names in the
struct as well.
Tested on:
FreeBSD/32 6.2 (duty)
Mac OS X/32 10.4.8 (amazon)
Revise latest form of superblock format pretty drastically, to
eliminate unused fields and move rarely used fields into superblock extension.
Finished removing last vestiges of references to (never used) i"shared"
object header message ID.
Added object header messages for non-default v1 B-tree 'K' values
and for driver info.
Updated testfiles to reflect size changes, etc.
Various minor cleanups, etc.
Tested on:
FreeBSD/32 6.2 (duty)
Mac OS X/32 10.4.8 (amazon)
External links test in tsohm.c tries to open a target file the second time.
Therefore it fails for VMS.
Solution:
Commented out this test for VMS system.
Platforms tested:
VMS server and kagiso
Allow "big" attributes to push attribute storage into "dense" form
immediately, to accomodate storing the attribute. (This is only allowed
in the "latest" version of the format).
Tested on:
Linux/32 2.6 (chicago)
Linux/64 2.6 (chicago2)
Description: Multiple copies of Copyright appeared in Makefile.in. This was
due to automake copying the copyright right in the included files such as
config/commence.am.
Solution: Automake treats double hashes as comments and does not copy them
to Makefile.in. Changed all the copyright notices in config/*.am to use
double hashes for the Copyright right notice.
Tested: kagiso via bin/reconfigure.
