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Author SHA1 Message Date
Gareth Rees
902c10954b Merge branch/2013-05-17/emergency into the master sources. 
This change refactors MVTBufferFill and makes related improvements to improve the clarity of the code.

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 Change: 183935
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 2014-01-10 18:52:08 +00:00
Gareth Rees
1049386b6f Make improvements (mostly to comments) based on reviews: 
https://info.ravenbrook.com/mail/2014/01/10/15-57-50/0/
https://info.ravenbrook.com/mail/2014/01/10/15-40-47/0/

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 Change: 183932
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 2014-01-10 18:18:06 +00:00
Gareth Rees
d943faa62b Don't call mvtsegfree from mvtfinish: we don't know whether or not there was any fragmented (unavailable) space in this segment, and so we can't keep the accounting correct. add assertion in mvtsegfree that detects incorrect accounting. 
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 Change: 183610
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 2013-10-30 13:15:09 +00:00
Richard Brooksby
17cf0ad76d Rewriting mvtbufferfill to separate out its various attempts to allocate memory and clarify their relationships. mvtbufferfill itself now clearly spells out the methods it applies and its fallbacks. this reveals quite a few questions which i have noted with fixmes and todos. 
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 Change: 182642
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 2013-06-08 18:38:03 +01:00
Gareth Rees
ccbf5341e8 Mvtfinish must make the structure invalid first. 
Add comment explaining choice of GCSegClass.

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 Change: 182608
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 2013-06-07 15:39:07 +01:00
Gareth Rees
ddf49ff7e9 Mvt takes configurable alignment via a keyword argument. 
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 Change: 182605
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 2013-06-07 14:45:14 +01:00
Gareth Rees
4232dc3125 Tidying up in anticipation of review. 
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 Change: 182524
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 2013-06-04 23:49:48 +01:00
Gareth Rees
86abc26355 Avoid "variable may be used uninitialized" warning from visual c. 
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 Change: 182517
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 2013-06-04 20:41:19 +01:00
Gareth Rees
fbf674c3ed Mvt now fails over from a cbs to a freelist. 
Update test cases and design accordingly.

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 Change: 182509
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 2013-06-04 18:16:32 +01:00
Gareth Rees
67ab8d1385 New test case "fotest" for fail-over of cbs to freelist in mvff. (plus stub for mvt.) need some testing hooks in mvff and mvt for getting the cbs. 
This reveals a couple of bugs in MVFF: (i) if CBSDelete fails, this might be because the block is actually on the Freelist instead; (ii) we can't SegFree before calling FreelistDelete because the Freelist needs access to the memory in order to read its pointers.

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 Change: 182500
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 2013-06-04 16:51:24 +01:00
Gareth Rees
71a2c572a0 Use range objects in the cbs interface instead of base, limit pairs. the idea is that freelist and cbs should offer similar interfaces so that the testing code can be shared. 
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 Change: 182364
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 2013-05-31 16:29:26 +01:00
Gareth Rees
e7559cf22f Rename the enumeration cbsfinddelete to finddelete in anticipation of it being shared between cbs and new freelist module. 
Since ABQDisposition enumeration only has two values, it's better to use Bool.

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 Change: 182347
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 2013-05-31 00:09:33 +01:00
Gareth Rees
ae5a06f21b Fix review comments from <https://info.ravenbrook.com/mail/2013/05/28/22-21-11/0/>: 
* Rename RangeOverlap to RangesOverlap.
* MVFF shouldn't assume that CBSInsert and CBSDelete can't fail.
* Remove unused function mps_mvff_stat.
* Don't call range methods in RangeCheck.
* RangeInit can't fail, so return void.

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 Change: 182297
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 2013-05-29 12:19:19 +01:00
Gareth Rees
46ca22c648 Fix review comments from rb in <https://info.ravenbrook.com/mail/2013/05/23/18-17-17/0/> 
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 Change: 182149
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 2013-05-24 00:48:19 +01:00
Gareth Rees
3ab93fc8a6 The abq module manages objects internal to the mps (not client objects) so it should use the type void * in its interface, not addr. 
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 Change: 182051
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 2013-05-21 18:39:51 +01:00
Gareth Rees
0ff7dacbb8 Catch-up merge from master sources to branch/2013-05-17/emergency. 
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 Change: 182048
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 2013-05-21 18:31:50 +01:00
Gareth Rees
eab1715183 In mv2test, use the random number generator from testlib. (this reduces duplication and makes test cases repeatable.) 
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 Change: 182046
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 2013-05-21 17:56:36 +01:00
Gareth Rees
6401faf722 Improve description of mvtdeleteoverlapping. 
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 Change: 182038
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 2013-05-21 15:51:51 +01:00
Gareth Rees
ebfa878f52 Refactor mvt so that blocks are pushed onto the abq in just one place. 
Fix bug in MVTDelete: need to remove the whole of the old range from the ABQ, not just the range we're deleting.

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 Change: 182032
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 2013-05-21 13:35:41 +01:00
Gareth Rees
9416fd6cf2 A little bit more checking. 
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 Change: 182026
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 2013-05-21 00:29:56 +01:00
Gareth Rees
28fc475b2a Use the new cbs, abq and range interfaces to avoid re-entrancy problems in callbacks. 
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 Change: 182017
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 2013-05-20 20:47:41 +01:00
Richard Brooksby
a7d9cfdbfe Fixing bogus comparison in assertion found by gcc warnings on linux. 
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 Change: 181998
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 2013-05-20 16:30:59 +01:00
Gareth Rees
e0e34a1c98 Remove "emergency" free list allocator from the cbs module (it belongs in its own module) and update clients and the design accordingly. 
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 Change: 181927
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 2013-05-19 14:27:24 +01:00
Richard Brooksby
4a37063561 The fragmentation limit argument to the mvt pool class is now passed as a floating point fraction, not a percentage, in the keyword interface. 
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 Change: 181862
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 2013-05-16 13:54:06 +01:00
Richard Brooksby
a2c89c2c40 Making clear the size of the array of args passed to varargs conversion methods. 
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 Change: 181845
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 2013-05-16 03:12:11 +01:00
Richard Brooksby
8b430778b6 Replacing varargs passed to seginit with keyword argument list. 
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 Change: 181679
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 2013-05-09 17:34:01 +01:00
Richard Brooksby
b4e1f173db Changing required keyword arguments to cause an assertion rather than return a status code, and removing repetition in how this is expressed. 
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 Change: 181674
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 2013-05-09 15:15:40 +01:00
Richard Brooksby
82cf26a55d Consolidating common pool keywords. 
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 Change: 181649
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 2013-05-09 00:06:07 +01:00
Richard Brooksby
3ab047467f Macroizing keyword definitions and adding more keyword argument checking methods. 
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 Change: 181647
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 2013-05-08 23:40:40 +01:00
Richard Brooksby
e67939cabb Pushing varargs decoding into a pool class method. much simpler. 
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 Change: 181642
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 2013-05-08 22:43:51 +01:00
Richard Brooksby
a8afd8e6f4 Converting pools to use keyword arguments, mostly, and so far inconsistently, but at least it compiles. 
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 Change: 181635
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 2013-05-08 16:21:12 +01:00
Gareth Rees
1c0af37416 Rename "mpscmv2.h" to "mpscmvt.h" for consistency. 
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 Change: 180489
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 2012-11-16 14:48:14 +00:00
Richard Brooksby
e6e620f76c Merging branch/2012-08-21/diagnostic-telemetry. 
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 Change: 179289
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 2012-09-05 23:45:31 +01:00
Richard Brooksby
bb747e8e33 Renaming some check* macros with more accurate names, making remaining check* macros similar in function. 
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 Change: 179155
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 2012-09-01 10:18:08 +01:00
Richard Brooksby
ddcce429f4 Abolishing eventgen.pl. event structures are now expanded by the preprocessor. 
Abolishing event formats.  Each event now has its own structure.
Event parameters are now written directly into the event buffer, rather than being copied twice.

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 Change: 179010
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 2012-08-21 22:48:11 +01:00
Richard Kistruck
9935ca3ecd mps br/timing: tabs in source files. (p4 diff -db -- confirms whitespace changes only). 
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 Change: 166673
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 2008-11-07 13:56:12 +00:00
Richard Brooksby
f22e14e334 Eliminating "impl" type tags and replacing them with uri-style file references. 
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 Change: 29900
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 2002-06-07 17:34:59 +01:00
Richard Brooksby
0a95c05521 Updating cross references to design documents to html style, to go with master/design document tree. 
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 Change: 29897
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 2002-06-07 16:47:14 +01:00
Richard Brooksby
5afb4899ef Adding forward reference to licenses from copyright notices. 
Adding licenses to a couple of files I missed.

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 Change: 29837
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 2002-06-06 11:56:19 +01:00
Richard Brooksby
819ed0ed76 Adding licenses to source code files. 
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 Change: 29836
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 2002-06-06 11:44:23 +01:00
Nick Barnes
ab0821c590 Remove trailing whitespace. 
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 Change: 25309
 ServerID: perforce.ravenbrook.com
 2001-12-17 15:18:17 +00:00
Richard Brooksby
c2b33bb9b5 Removing hopenames from the master sources. 
This change will be integrated but ignored (-ay) to the gg-epcore/union sources, so that they retain HopeNames.

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 Change: 24911
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 2001-12-07 13:19:25 +00:00
Richard Brooksby
d0ccf8fa9a Adding hopenames back into the master sources, so that they can be included in the union sources along with the id keywords. 
This was achieved by partially undoing changelist 24817, including an accidental corruption of eventgen.pl.

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 Change: 24877
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 2001-12-06 18:14:02 +00:00
Richard Brooksby
c84f2a8553 Updating copyright messages to say copyright 2001 ravenbrook throughout. 
Adding some missing copyright messages.

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 Change: 24818
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 2001-12-05 16:18:43 +00:00
Richard Brooksby
e0a5828027 Changing hopename keywords to id keywords throughout, to work with perforce. 
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 Change: 24817
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 2001-12-05 16:05:52 +00:00
Richard Brooksby
68e0b8253f Merging changes from union to masters. this incorporates pekka's updates: tuning and a type in amcsshe.c and some adding some missing checks in arenavm.c. it also brings our cope of their hopenames up to date. 
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 Change: 24815
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 2001-12-05 15:48:24 +00:00
Nick Barnes
88e5e63275 Branch imports for masters. 
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 Change: 23678
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 2001-10-31 14:40:56 +00:00
Renamed from mps/src/poolmv2.c (Browse further)