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1939 commits

Author SHA1 Message Date
Richard Brooksby
7203f2f03a Adding reference to job for improving definalization. see <https://info.ravenbrook.com/mail/2016/01/19/17-09-22/0/>. 
Copied from Perforce
 Change: 188929
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 2016-01-20 11:44:28 +00:00
Richard Brooksby
5dccd2e006 Catch-up merge from masters. 
Copied from Perforce
 Change: 188928
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 2016-01-20 11:04:09 +00:00
Richard Brooksby
0141cc951a Resolving review issues in <https://info.ravenbrook.com/mail/2016/01/19/11-51-10/0/>. 
Improving documentation.
Fixing minor type misuse.

Copied from Perforce
 Change: 188922
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 2016-01-19 16:23:39 +00:00
Richard Brooksby
eac348d664 Catch-up merge from masters. 
Copied from Perforce
 Change: 188921
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 2016-01-19 16:22:39 +00:00
Gareth Rees
abbdcfc59f 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
e00ab0e31b In mpmcheck, assert that stackprobedepth words will fit into a page, so that we find out if design.mps.sp.sol.depth.constraint is ever violated. 
Format methods must have bounded stack usage for stack probing to be effective, so document this in the manual (picking the arbitrary value 64 for the bound, which should be more than enough).

Copied from Perforce
 Change: 187382
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 2014-10-24 10:54:27 +01:00
Gareth Rees
a960f642f1 Analysis justifying the value of stackprobedepth. 
Copied from Perforce
 Change: 187380
 ServerID: perforce.ravenbrook.com
 2014-10-24 10:16:28 +01:00
Gareth Rees
0d75f05cd3 Complete design.mps.thread-manager and move it from old to current. 
Better description of protection mutator context module in the "porting" chapter.
The generic thread manager mustn't assert that there is only one thread -- this would break design.mps.thread-manager.req.register.multi.

Copied from Perforce
 Change: 187354
 ServerID: perforce.ravenbrook.com
 2014-10-22 20:42:56 +01:00
Gareth Rees
3c634eb2fa Fix comment and add reference to design. 
Copied from Perforce
 Change: 187352
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 2014-10-22 20:16:14 +01:00
Gareth Rees
7de068c21b Use aver(testt) when the arena lock is not held. 
Copied from Perforce
 Change: 187351
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 2014-10-22 20:14:01 +01:00
Gareth Rees
72ddb8ec6e Simplify platform makefile for xci6ll. 
Copied from Perforce
 Change: 187347
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 2014-10-22 13:46:11 +01:00
Gareth Rees
f07fbd9c15 Simplify the platform makefile for lii3gc.gmk. 
Copied from Perforce
 Change: 187346
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 2014-10-22 13:45:20 +01:00
Gareth Rees
9e042f8580 Simplify the platform makefile on fri3gc. no need for -wno-strict-aliasing any more -- the mps is type-pun clean. 
Copied from Perforce
 Change: 187344
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 2014-10-22 13:26:53 +01:00
Gareth Rees
f1fc0a8e6e Bring ananmv.nmk up to date. 
Copied from Perforce
 Change: 187343
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 2014-10-22 13:16:57 +01:00
Gareth Rees
1f66a0df6c Simply platform makefiles for lii6gc and lii6ll. 
Copied from Perforce
 Change: 187342
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 2014-10-22 13:11:29 +01:00
Gareth Rees
0b934dbe69 Bring lock module design up to date. 
Copied from Perforce
 Change: 187326
 ServerID: perforce.ravenbrook.com
 2014-10-21 23:32:57 +01:00
Gareth Rees
d0ae2f62ae Rename lockreleasempm to lockrelease. this name was changed because of a clash with a symbol in scriptworks, and that's no longer a concern. see <https://info.ravenbrook.com/project/mps/import/2001-09-27/mminfo/doc/meeting/general/1997-02-19>. if we get symbol name clashes in future, we can try the .name.single strategy, or maybe objcopy --prefix. 
Copied from Perforce
 Change: 187322
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 2014-10-21 22:35:30 +01:00
Gareth Rees
d5ea0fb20b Put the protection interface in prot.h, and the stack probe interface into sp.h, to make it easier to write the "porting" chapter of the manual. 
Copied from Perforce
 Change: 187316
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 2014-10-21 16:44:19 +01:00
Gareth Rees
2efed004c6 Fix comments in the protection implementations (it looks as if these were copied and then not modified) and bring discussion of supported platforms up to date. add file guards where missing. 
Copied from Perforce
 Change: 187313
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 2014-10-21 15:10:42 +01:00
Gareth Rees
cc07c81ffc Fix comment: "mac os x on x86_64 with clang" is xci6ll, not w3i6ll. 
Copied from Perforce
 Change: 187311
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 2014-10-21 14:24:55 +01:00
Gareth Rees
658d82053d Remove link to documentation for time facilites on system 8. link was long dead, but available via the internet archive here: <https://web.archive.org/web/20000309161634/http://developer.apple.com/techpubs/mac/osutilities/osutilities-94.html#marker-9-32> 
Copied from Perforce
 Change: 187301
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 2014-10-20 22:27:09 +01:00
Gareth Rees
c3daf74967 Simplify platform makefiles on windows, using a temporary makefile to work around nmake's lack of variable expansion in string replacement. this means that when adding a new part you no longer need to edit the platform makefiles, just commpre.nmk and commpost.nmk. 
Copied from Perforce
 Change: 187299
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 2014-10-20 19:15:57 +01:00
Gareth Rees
fb83e75c0b Remove unused variable p1 (broke the build on gcc). 
Copied from Perforce
 Change: 187296
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 2014-10-20 16:50:02 +01:00
Gareth Rees
7be8c5067b Remove unused variable obj1pip -- broke the compilation in gcc. 
Copied from Perforce
 Change: 187295
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 2014-10-20 16:45:45 +01:00
Gareth Rees
c314edabfd Call the "contracted" callback before destroying the chunk, as the arena is (briefly) invalid afterwards. 
Copied from Perforce
 Change: 187294
 ServerID: perforce.ravenbrook.com
 2014-10-20 16:40:32 +01:00
Gareth Rees
0f0435b710 Remove duplicate function amcfix (and rename amcheaderfix to amcfix) so that we don't have the burden of maintaining two copies of this function. 
Copied from Perforce
 Change: 187293
 ServerID: perforce.ravenbrook.com
 2014-10-20 16:38:54 +01:00
Gareth Rees
169aaf972f Rename locusprefhigh to locusprefhigh and so on, to follow <http://www.ravenbrook.com/project/mps/master/design/guide.impl.c.naming#capital-constant> 
Copied from Perforce
 Change: 187283
 ServerID: perforce.ravenbrook.com
 2014-10-19 09:19:43 +01:00
Gareth Rees
8a094c1bf7 Amc no longer keeps statistics about pages condemned and retained. if we need this kind of analysis, it would be better to add more telemetry until we can do the analysis offline. 
Copied from Perforce
 Change: 187274
 ServerID: perforce.ravenbrook.com
 2014-10-14 23:05:56 +01:00
Gareth Rees
1b010bdd9d Add constant mps_rm_prot_inner and document it. 
Copied from Perforce
 Change: 187271
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 2014-10-14 22:59:32 +01:00
Gareth Rees
72a38afb68 Remove unused pool {fill,empty}{mutator,internal}size statistics. 
Copied from Perforce
 Change: 187270
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 2014-10-14 22:37:55 +01:00
Gareth Rees
d4b8907389 Assert if you try to create a pool using a format from another arena, a pool using a chain from another arena, or a root using a thread from another arena. 
Copied from Perforce
 Change: 187268
 ServerID: perforce.ravenbrook.com
 2014-10-14 22:21:43 +01:00
Gareth Rees
0c42e3aa23 Improved assertion messages when a required keyword argument is not found. instead of "unreachable code", the assertion message is the name of the missing key. 
Copied from Perforce
 Change: 187267
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 2014-10-14 22:05:30 +01:00
Gareth Rees
7db46bbb3f Check alignment of address given to poolfree. 
Copied from Perforce
 Change: 187265
 ServerID: perforce.ravenbrook.com
 2014-10-14 16:54:10 +01:00
Gareth Rees
5afa5a492b Use pointeradd to express the condition in mps_commit -- it expands to the same code, and better conveys the intention. 
Copied from Perforce
 Change: 187242
 ServerID: perforce.ravenbrook.com
 2014-10-13 17:36:44 +01:00
Gareth Rees
bef2871a1a Check that unitsize and extendby are greater than zero. (zero is a likely argument to pass by accident if you get your varargs wrong.) 
Copied from Perforce
 Change: 187241
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 2014-10-13 17:35:57 +01:00
Gareth Rees
0ff9acf5ff Check arena argument in ldadd, ldmerge and ldisstaleany. 
Copied from Perforce
 Change: 187240
 ServerID: perforce.ravenbrook.com
 2014-10-13 17:31:50 +01:00
Gareth Rees
4348937862 Don't use avert unless the arena lock is held (it's not thread-safe in all varieties). add design explaining this. 
Copied from Perforce
 Change: 187238
 ServerID: perforce.ravenbrook.com
 2014-10-13 14:36:15 +01:00
Gareth Rees
7b8e8aa4e1 No need to keep mps_ap_s in sync any more: the definition is shared (mpmst.h includes mpslib.h which includes mps.h). 
Copied from Perforce
 Change: 187221
 ServerID: perforce.ravenbrook.com
 2014-10-12 13:57:31 +01:00
Gareth Rees
8c3e1f4d6c Link snc in the file-at-a-time builds, so that they match the mps.c builds. 
Copied from Perforce
 Change: 187208
 ServerID: perforce.ravenbrook.com
 2014-10-11 12:08:24 +01:00
Gareth Rees
ae4328ad5a Fix the definition of mps_key_spare_field so that you can set this keyword argument when creating an mvff pool. add test cases that use this feature. 
Copied from Perforce
 Change: 187174
 ServerID: perforce.ravenbrook.com
 2014-10-10 12:05:23 +01:00
Gareth Rees
6959f52a97 Remove call to deprecated macro mps_args_done. 
Copied from Perforce
 Change: 187171
 ServerID: perforce.ravenbrook.com
 2014-10-10 11:21:22 +01:00
Gareth Rees
05ac242c57 If you try to create a client arena that's too small for the full complement of zones, return mps_res_memory instead of asserting. 
If you try to create a virtual memory arena that's too small for the full complement of zones, round up the size to the minimum instead of asserting.

Copied from Perforce
 Change: 187164
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 2014-10-08 22:16:56 +01:00
Gareth Rees
51a264446a Amc now asserts that references (unless ambiguous) are aligned to the pool alignment. 
Copied from Perforce
 Change: 187162
 ServerID: perforce.ravenbrook.com
 2014-10-08 21:13:34 +01:00
Gareth Rees
00229b0479 Use the method suffix only for methods in classes; use visitor or function for other kinds of functions. 
New document guide.impl.c.naming sets out the rules for naming.

Copied from Perforce
 Change: 187159
 ServerID: perforce.ravenbrook.com
 2014-10-07 23:48:55 +01:00
Gareth Rees
f3cf67c792 New constant rankmin gives the minimum rank. use this (rather than 0 or rankambig) to better express the intention. 
Copied from Perforce
 Change: 187156
 ServerID: perforce.ravenbrook.com
 2014-10-07 22:31:12 +01:00
Gareth Rees
88ca7174e7 Remove unused(boot) as boot is not unused. 
No need for NOOP -- even without the UNUSED statement above it, an empty block would be legal in C.

Copied from Perforce
 Change: 187147
 ServerID: perforce.ravenbrook.com
 2014-10-07 10:20:28 +01:00
Gareth Rees
3e5e2f2595 Rename "page" to "grain" in mvffreduce. use unused_size for an unused closure argument. 
Copied from Perforce
 Change: 187140
 ServerID: perforce.ravenbrook.com
 2014-10-04 16:09:27 +01:00
Gareth Rees
e6ce992ef2 Use one step period each run (not four) so that the test completes in a reasonable amount of time in the cool variety, but choose the step period randomly so as to get broader coverage. 
Copied from Perforce
 Change: 187130
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 2014-10-03 09:30:55 +01:00
Gareth Rees
6e4cf0ad47 Restore condition on collections so that test will terminate even if finalization messages are not delivered. 
Copied from Perforce
 Change: 187124
 ServerID: perforce.ravenbrook.com
 2014-10-02 13:51:31 +01:00
Gareth Rees
0048f341e0 Arenafinalize now asserts that the object belongs to a finalizable (attrgc) pool. (it's a programming error to try to register a non-finalizable object for finalization.) 
Can't test this behaviour via the smoke tests, unfortunately.
Document the performance problem with mps_definalize, so that users aren't tempted into using it inappropriately.

Copied from Perforce
 Change: 187109
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 2014-10-02 10:27:57 +01:00