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55 commits

Author SHA1 Message Date
Bruce Mitchener
2e417719d4 Fix typos. 2024-11-26 22:10:23 +07:00
Gareth Rees
f47c389a52 Fix indentation of second clause of license. 2020-08-30 10:13:06 +01:00
Gareth Rees
af0f431eda Use https: instead of http: when linking to the ravenbrook web site. 2020-08-30 10:13:03 +01:00
Peter Jackson
4de2606846 Publish licence updates in code directory. 
Publish minor changes to readme and configure files in main directory.
Main directory and code directory licence texts are now fully updated.

Copied from Perforce
 Change: 196994
 2020-06-11 17:05:40 +01:00
Gareth Rees
4eda4e85c7 Use tags with dots; regularize design references from code. 
Copied from Perforce
 Change: 195761
 2018-11-29 17:12:29 +00:00
Gareth Rees
307bc47730 Rename "mac os x" and "os x" to "macos", except for a few cases where for historical accuracy we want to continue to refer to the former name. 
Copied from Perforce
 Change: 193821
 2018-06-15 12:15:36 +01:00
Gareth Rees
38dae4d616 Documentation improvements. 
Copied from Perforce
 Change: 192905
 ServerID: perforce.ravenbrook.com
 2017-02-18 09:38:15 +00:00
Gareth Rees
6f196185a1 Make shield assertions robust against deep checking -- when shieldcover is called from shieldraise there is one unsynced segment that has not yet been queued. record this fact in a new queuepending flag in the shield structure. 
Remove incorrect shield assertion "shield->depth == 0 || shield->suspended" -- depth may be increased without suspending the mutator if the segment did not need protecting.

Copied from Perforce
 Change: 191812
 ServerID: perforce.ravenbrook.com
 2016-05-03 17:25:27 +01:00
Gareth Rees
fb3e4144a9 Untabify. 
Copied from Perforce
 Change: 191528
 ServerID: perforce.ravenbrook.com
 2016-04-21 20:50:45 +01:00
Richard Brooksby
ff35af0f15 Merging branch/2016-03-13/defer-write-barrier into master sources. 
Copied from Perforce
 Change: 190380
 ServerID: perforce.ravenbrook.com
 2016-03-24 12:07:20 +00:00
Richard Brooksby
4e0557e20e Improving shieldflushentries to allow for delayed protection changes on shieldlower. 
Copied from Perforce
 Change: 190363
 ServerID: perforce.ravenbrook.com
 2016-03-23 19:03:00 +00:00
Richard Brooksby
f2864ea179 Improving commentary: the mutator is suspended, not the arena. 
Copied from Perforce
 Change: 190352
 ServerID: perforce.ravenbrook.com
 2016-03-23 17:55:22 +00:00
Richard Brooksby
25bfc7b131 Responding to review by nb <https://info.ravenbrook.com/mail/2016/03/22/17-19-03/0/>. 
Copied from Perforce
 Change: 190349
 ServerID: perforce.ravenbrook.com
 2016-03-23 17:31:59 +00:00
Richard Brooksby
33cb1b0596 Improving commentary in response to nb <https://info.ravenbrook.com/mail/2016/03/22/17-19-03/0/>. 
Copied from Perforce
 Change: 190339
 ServerID: perforce.ravenbrook.com
 2016-03-23 14:37:54 +00:00
Richard Brooksby
8bfd101b34 Responding to review by gdr <https://info.ravenbrook.com/mail/2016/03/21/21-05-49/0/>. 
Copied from Perforce
 Change: 190336
 ServerID: perforce.ravenbrook.com
 2016-03-23 14:23:14 +00:00
Richard Brooksby
e711121e82 Moving quicksort's workspace off the stack to limit mps stack usage. 
Copied from Perforce
 Change: 190332
 ServerID: perforce.ravenbrook.com
 2016-03-23 13:47:55 +00:00
Richard Brooksby
88affc312f Added discussion of when it might be good to resume the mutator early in design.mps.shield.improv.resume. 
Copied from Perforce
 Change: 190329
 ServerID: perforce.ravenbrook.com
 2016-03-23 13:11:19 +00:00
Richard Brooksby
541ca77662 Counting shield holds and releases, to ensure they are nested correctly. 
Counting the number of unsynced segments in order to check consistency.
Moving the extra shield hold for request.dylan.160098 around actual whitening, and adding a matching shield release.

Copied from Perforce
 Change: 190321
 ServerID: perforce.ravenbrook.com
 2016-03-23 11:59:57 +00:00
Richard Brooksby
3ed0bc9440 Reorganising shield design and updating. 
Renaming ShieldSuspend to ShieldHold and ShieldResume to ShieldRelease to reduce confusion.

Copied from Perforce
 Change: 190320
 ServerID: perforce.ravenbrook.com
 2016-03-23 08:20:29 +00:00
Richard Brooksby
e4c8905bee Catch-up merge from master sources to branch/2016-03-11/shield-coalesce. 
Copied from Perforce
 Change: 190234
 ServerID: perforce.ravenbrook.com
 2016-03-20 12:46:55 +00:00
Richard Brooksby
52857f843f Fixing splitting and merging for queued segments. 
Copied from Perforce
 Change: 190228
 ServerID: perforce.ravenbrook.com
 2016-03-20 01:22:15 +00:00
Richard Brooksby
7d0cc19ca3 Tearing down shield correctly. 
Copied from Perforce
 Change: 190225
 ServerID: perforce.ravenbrook.com
 2016-03-20 01:01:54 +00:00
Richard Brooksby
b66267ec5c Renaming shield cache to shield queue. 
Copied from Perforce
 Change: 190220
 ServerID: perforce.ravenbrook.com
 2016-03-20 00:46:59 +00:00
Richard Brooksby
f3bde6fd39 Promoting shield to first class structure. 
Copied from Perforce
 Change: 190219
 ServerID: perforce.ravenbrook.com
 2016-03-20 00:32:43 +00:00
Richard Brooksby
3e8c49f8b6 More documentation, tidying up, and cross-referencing. 
Copied from Perforce
 Change: 190205
 ServerID: perforce.ravenbrook.com
 2016-03-19 15:12:12 +00:00
Richard Brooksby
19bfc654e7 Tidying up, especially special assertions. 
Copied from Perforce
 Change: 190204
 ServerID: perforce.ravenbrook.com
 2016-03-19 14:47:54 +00:00
Richard Brooksby
e98b36c984 Fixing missing cache flag reset when a single entry is removed in low memory situations. 
Copied from Perforce
 Change: 190199
 ServerID: perforce.ravenbrook.com
 2016-03-19 14:11:26 +00:00
Richard Brooksby
1f361c4fc7 Separating flag for segment in shield cache from depth, clarifying code and optimising segfree somewhat. 
Copied from Perforce
 Change: 190194
 ServerID: perforce.ravenbrook.com
 2016-03-19 13:42:09 +00:00
Richard Brooksby
6d4aca1182 Updating shield design and actually checking invariants in code. 
Copied from Perforce
 Change: 190192
 ServerID: perforce.ravenbrook.com
 2016-03-19 10:15:10 +00:00
Richard Brooksby
dce6e063d1 Deferring non-urgent fixmes to todos. 
Copied from Perforce
 Change: 190190
 ServerID: perforce.ravenbrook.com
 2016-03-19 08:34:30 +00:00
Richard Brooksby
b6622d0356 Design documentation, commentary, and code tidying. 
Copied from Perforce
 Change: 190172
 ServerID: perforce.ravenbrook.com
 2016-03-17 20:04:26 +00:00
Richard Brooksby
40221476cc Tidying up quicksort into an mpm utility. 
Copied from Perforce
 Change: 190171
 ServerID: perforce.ravenbrook.com
 2016-03-17 19:26:45 +00:00
Richard Brooksby
85702809fa Replacing qsort with an iterative implementation. 
Copied from Perforce
 Change: 190166
 ServerID: perforce.ravenbrook.com
 2016-03-17 18:22:08 +00:00
Richard Brooksby
7880c31aa9 Shield cache that grows. improving commentary. 
Copied from Perforce
 Change: 190160
 ServerID: perforce.ravenbrook.com
 2016-03-17 16:55:14 +00:00
Richard Brooksby
bd9ef4dcf2 Catch-up merge from master sources to branch/2016-03-11/shield-coalesce. 
Copied from Perforce
 Change: 190150
 ServerID: perforce.ravenbrook.com
 2016-03-17 13:53:40 +00:00
Richard Brooksby
d7923e66ff Allocate the shield cache. also improve commentary quite a bit. 
Copied from Perforce
 Change: 190147
 ServerID: perforce.ravenbrook.com
 2016-03-17 13:37:40 +00:00
Richard Brooksby
5656c312a9 Simplifying segsetsummary by not requiring it to calculate the previous shield mode. 
Copied from Perforce
 Change: 189963
 ServerID: perforce.ravenbrook.com
 2016-03-13 14:09:38 +00:00
David Lovemore
4917b55920 Basic coalescing of protects on shield flush. 
Copied from Perforce
 Change: 189871
 ServerID: perforce.ravenbrook.com
 2016-03-11 17:05:01 +00:00
David Lovemore
893c438345 Rename functions cache() and flush(). 
Copied from Perforce
 Change: 189868
 ServerID: perforce.ravenbrook.com
 2016-03-11 15:07:48 +00:00
Richard Brooksby
a2f78d0df6 Catch-up merge from masters. 
Copied from Perforce
 Change: 188921
 ServerID: perforce.ravenbrook.com
 2016-01-19 16:22:39 +00:00
Gareth Rees
bdc1a92a18 Assert if a thread dies while registered, but make a best effort to continue working after the assertion, by marking the thread as dead and moving it to a ring of dead threads. 
Copied from Perforce
 Change: 187393
 ServerID: perforce.ravenbrook.com
 2014-10-25 17:41:42 +01:00
Gareth Rees
2d0f425428 Ensure that code of the form if (condition) statement; is split over two lines, so that it is possible to set a breakpoint on the statement in a debugger. 
This change was agreed in 1997 (see <https://info.ravenbrook.com/project/mps/mail/1997/08/19/13-44/0.txt>), so it's about time it was implemented.

Copied from Perforce
 Change: 187071
 ServerID: perforce.ravenbrook.com
 2014-09-27 22:57:02 +01:00
Richard Brooksby
824b4b167c Adding comment i was prompted to write at <http://news.ycombinator.com/item?id=4524036> to the code at shieldexpose. 
Copied from Perforce
 Change: 179495
 ServerID: perforce.ravenbrook.com
 2012-09-14 22:28:56 +01:00
Richard Brooksby
ec55536827 Added single compilation unit version of mps library to allow global optimization and universal binary building. minor fixes to other sources to avoid clashing symbols. 
Separated XCI3GC (gcc) from XCI3LL (clang) platforms, so that we can build both 32- and 64-bit binaries with clang.
Enabled universal (multi architecture) builds.

Copied from Perforce
 Change: 178287
 ServerID: perforce.ravenbrook.com
 2012-05-22 21:27:55 +01:00
Richard Brooksby
f22e14e334 Eliminating "impl" type tags and replacing them with uri-style file references. 
Copied from Perforce
 Change: 29900
 ServerID: perforce.ravenbrook.com
 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. 
Copied from Perforce
 Change: 29897
 ServerID: perforce.ravenbrook.com
 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.

Copied from Perforce
 Change: 29837
 ServerID: perforce.ravenbrook.com
 2002-06-06 11:56:19 +01:00
Richard Brooksby
819ed0ed76 Adding licenses to source code files. 
Copied from Perforce
 Change: 29836
 ServerID: perforce.ravenbrook.com
 2002-06-06 11:44:23 +01:00
Nick Barnes
ab0821c590 Remove trailing whitespace. 
Copied from Perforce
 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.

Copied from Perforce
 Change: 24911
 ServerID: perforce.ravenbrook.com
 2001-12-07 13:19:25 +00:00