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185 commits

Author SHA1 Message Date
Richard Brooksby
804f15dead Removing the mostly unused size component of the closure convention. 
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 Change: 189503
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 2016-03-01 17:20:50 +00:00
Richard Brooksby
8d622806d0 Removing unused function arenascannable. 
Reinstate when needed. See <https://info.ravenbrook.com/mail/2016/02/17/13-05-54/0/>.

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 Change: 189292
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 2016-02-25 17:09:09 +00:00
Richard Brooksby
f8341520c2 Catch-up merge from master sources. 
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 Change: 189265
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 2016-02-17 11:04:51 +00:00
Richard Brooksby
a2f78d0df6 Catch-up merge from masters. 
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 Change: 188921
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 2016-01-19 16:22:39 +00:00
Gareth Rees
800aa3b250 Policycollectiontime is now local to policy.c. 
Improve comment for policyCondemnChain (document the mortalityReturn parameter to; fix design reference).

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 Change: 188240
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 2015-09-04 16:02:46 +01:00
Gareth Rees
db81205af5 Move policy for mps_arena_step to policy module. 
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 Change: 188238
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 2015-09-04 15:25:37 +01:00
Gareth Rees
837818ccb4 Refactor tracequantum into tracepoll and traceadvance. (tracequantum was formerly called from arenapark, but that doesn't care about the quantum size.) 
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 Change: 188198
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 2015-09-02 10:50:00 +01:00
Gareth Rees
dd676e2919 New functions policypoll and policypollagain. 
Update design.strategy.

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 Change: 188165
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 2015-08-25 13:27:17 +01:00
Gareth Rees
46280a07ab New function policycollectiontime estimates the time needed to collect the arena. mysterious constants are given names and moved to config.h. 
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 Change: 188160
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 2015-08-21 15:27:14 +01:00
Gareth Rees
32acad85ea New function policystarttrace decides whether to start a trace. 
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 Change: 188154
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 2015-08-20 16:57:33 +01:00
Gareth Rees
2097678a37 New module policy.c. 
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 Change: 188152
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 2015-08-19 15:03:47 +01:00
Gareth Rees
84347b9bbe Merge branch/2014-09-29/reserved into the master sources. 
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 Change: 188090
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 2015-08-07 16:33:43 +01:00
Gareth Rees
497aaf7141 The "remember" parameters to arenaexposeremember is a boolean, not an integer. 
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 Change: 187467
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 2014-11-06 12:03:18 +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. 
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 Change: 187393
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 2014-10-25 17:41:42 +01:00
Gareth Rees
4a9f32347f 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. 
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 Change: 187316
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 2014-10-21 16:44:19 +01:00
Gareth Rees
5f35b7f792 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
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 2014-10-07 23:48:55 +01:00
Gareth Rees
9436487a05 Instead of iterating over the chunks to compute the total reserved address space, maintain a running total in arenachunkinsert and (new function) arenachunkremoved. 
New arena class method chunkReserved handles the class-specific computation of the reserved size of a chunk.

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 Change: 187089
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 2014-09-29 22:50:46 +01:00
Gareth Rees
10afd0ee3b Cast all arguments to the writef function to make it easy to check that none of the necessary casts have been omitted. 
New macro WriteFYesNo makes it easy to describe a Boolean.
Describe more structure elements for ABQ, Arena, Buffer, Format, MFS, Root, Seg.

Copied from Perforce
 Change: 187063
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 2014-09-27 12:49:30 +01:00
Gareth Rees
456d747b61 Rename segpref to locuspref -- this structure describes preferences for the placement of any kind of address, not just segments. 
Add LocusPrefDescribe and use it in MVFFDescribe.

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 Change: 187061
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 2014-09-27 11:27:00 +01:00
Gareth Rees
e95af3fb0e Store the vm descriptor in the vmarena and vmchunk structures. 
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 Change: 186624
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 2014-06-14 15:12:26 +01:00
Gareth Rees
8d9b6c0884 Improve the diff and make the vm implementations more closely parallel. 
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 Change: 186591
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 2014-06-13 17:59:37 +01:00
Gareth Rees
f39706c2be Now that we can call vmpagesize without having a vm to hand, the implementation of vmcreate can be simpler: in particular, the grain size can already be correctly rounded up. 
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 Change: 186590
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 2014-06-13 17:39:58 +01:00
Gareth Rees
8c3e5886b4 Vmpagesize now takes no arguments -- this avoids suggesting (incorrectly) that it might return a different value for each vm. 
New function ProtGranularity returns the protection granularity of the operating system. (On all currently supported operating systems this is the same as the granularity of memory mapping returned by VMPageSuze, but it's important to separate these concepts.) MPMCheck asserts that the granularity of memory mapping is a multiple of the granularity of protection.
Client arena supports MPS_KEY_ARENA_GRAIN_SIZE.
Some of the test cases set the arena grain size.

Copied from Perforce
 Change: 186588
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 2014-06-13 17:19:23 +01:00
Gareth Rees
76b164e48c Catch-up merge from master sources @186573 to branch/2014-05-28/align. 
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 Change: 186574
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 2014-06-13 15:37:20 +01:00
Gareth Rees
bf97a59af1 Catch-up merge from master sources @186564 to branch/2014-06-11/grain. 
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 Change: 186572
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 2014-06-13 15:30:46 +01:00
Gareth Rees
cd291a5f7a Merge branch/2014-06-11/grain into branch/2014-05-28/align. 
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 Change: 186561
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 2014-06-13 13:35:14 +01:00
Gareth Rees
a6c1da3a83 Restore the chunk ring. 
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 Change: 186558
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 2014-06-13 12:31:47 +01:00
Gareth Rees
2fa5f5688d New function arenachunktreetraverse ensures that calls to chunkofaddr are reliably detected. 
Copied from Perforce
 Change: 186550
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 2014-06-12 20:28:50 +01:00
Gareth Rees
b0d20ed749 Catch-up merge from master sources @186540 to branch/2014-05-17/chunk-tree. 
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 Change: 186546
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 2014-06-12 17:55:16 +01:00
Gareth Rees
3aabbcfa48 Rename vmgrainsize to vmpagesize (because it is in fact the operating system page size) and to avoid confusion with the arena grain size. 
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 Change: 186543
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 2014-06-12 17:18:50 +01:00
Gareth Rees
266a75b639 Catch-up merge from master sources @186536 to branch/2014-05-15/size. 
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 Change: 186539
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 2014-06-12 16:46:36 +01:00
Gareth Rees
bb44aa1f51 Catch-up merge from master sources @186528 to branch/2014-04-15/mvffnoseg. 
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 Change: 186534
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 2014-06-12 15:59:39 +01:00
Gareth Rees
c71e35f3c1 Catch-up merge from masters sources @186519 to branch/2014-04-17/describe. 
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 Change: 186526
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 2014-06-12 13:45:22 +01:00
Gareth Rees
26e8aecdf2 Rename grainsizecheck as arenagrainsizecheck. 
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 Change: 186506
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 2014-06-11 17:33:10 +01:00
Gareth Rees
41e2d84377 Rename "arena alignment" to "arena grain size" to avoid confusion with ordinary structure alignment. 
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 Change: 186503
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 2014-06-11 17:13:03 +01:00
Gareth Rees
7d58a696f7 Catch-up merge from master sources @186481 to branch/2014-05-28/align. 
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 Change: 186499
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 2014-06-11 14:23:59 +01:00
Gareth Rees
c2c38dedcc Catch-up merge from master sources @186481 to branch/2014-05-17/chunk-tree. 
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 Change: 186491
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 2014-06-11 13:52:31 +01:00
Gareth Rees
dbc6f9cd32 Catch-up merge from branch/2014-04-15/mvffnoseg @186485 to branch/2014-05-15/size. 
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 Change: 186487
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 2014-06-11 13:17:14 +01:00
Gareth Rees
365e431f21 Catch-up merge from master sources @186481 to branch/2014-04-15/mvffnoseg. 
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 Change: 186484
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 2014-06-11 12:42:58 +01:00
Gareth Rees
4113048403 Catch-up merge from master sources @186460 to branch/2014-04-08/align. 
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 Change: 186461
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 2014-06-09 19:26:31 +01:00
Gareth Rees
d6b83892af Remove unused pool class attributes. 
Bring method descriptions up to date in pool class design.

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 Change: 186446
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 2014-06-08 19:54:24 +01:00
Gareth Rees
7489f4d284 Fix compilation on fri3gc: need readonlyaddradd macro to avoid warning. 
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 Change: 186442
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 2014-06-08 17:15:54 +01:00
Gareth Rees
331d260bfd Catch-up merge from master sources @186436 to branch/2014-04-08/align. 
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 Change: 186439
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 2014-06-08 16:30:53 +01:00
Gareth Rees
75e502fc7b Catch-up merge from master sources @186352 to branch/2014-04-15/mvffnoseg. 
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 Change: 186355
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 2014-05-29 16:03:34 +01:00
Gareth Rees
4a59d4e9b7 Fix problems identified by rb in review <https://info.ravenbrook.com/mail/2014/05/29/13-01-02/0/>. 
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 Change: 186347
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 2014-05-29 14:50:36 +01:00
Gareth Rees
e35f3b1b6c Fix problems identified by dl in review <https://info.ravenbrook.com/mail/2014/05/23/12-44-54/0/>. 
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 Change: 186300
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 2014-05-25 20:49:22 +01:00
Gareth Rees
5f848d0404 Split land iteration into two functions, one which deletes ranges, the other which does not. 
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 Change: 186298
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 2014-05-25 19:26:48 +01:00
Gareth Rees
5f84d4c3db Clarify tracefix logic by unwinding the nested conditions. 
Change the arena's chunk tree from a splay tree to an ordinary tree (so that it's not possible to accidentally splay it and leave it unbalanced).
New function TreeFindNext allows us to implement TractFirst and TractNext without having to splay the tree.
Make sure all operations on the chunk tree leave it balanced. But don't balance the tree directly in ChunkFinish() because this is only ever called in a loop where multiple chunks are being deleted from the tre. Instead use the sequence TreeToVine -- iterate and delete -- TreeBalance. The new macro TREE_DESTROY assists with this.
No need any more for ArenaIsReservedAddr, CHUNK_OF_ADDR, TRACT_OF_ADDR.
Update design documentation.

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 Change: 186212
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 2014-05-20 18:12:37 +01:00
Gareth Rees
fb1299178b Segfindaboveaddr is no longer used. 
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 Change: 186200
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 2014-05-19 20:20:09 +01:00
Gareth Rees
9c3eb68f97 Landiterate now returns a bool indicating whether all visitor calls returned true. 
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 Change: 186165
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 2014-05-18 22:46:16 +01:00