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2769 commits

Author SHA1 Message Date
Gareth Rees
af0f431eda Use https: instead of http: when linking to the ravenbrook web site. 2020-08-30 10:13:03 +01:00
Gareth Rees
d55dc069ab Merge branch 'branch/2020-08-24/eintr' 2020-08-30 09:24:08 +01:00
Gareth Rees
c13b7610d3 Set sa_restart flag when calling sigaction(). 
This ensures that if a mutator thread is blocked in a system call when
the MPS handles a signal, the system call will not fail with EINTR but
instead will be restarted.

Add a test case for the thread suspend and resume signals.
 2020-08-30 09:23:35 +01:00
Gareth Rees
be2f670e42 Merge branch 'branch/2020-08-23/macos-build' 2020-08-30 09:08:38 +01:00
Gareth Rees
d14044dd1a Traceid is a typedef for unsigned so we mustn't negate it. 
This was not caught by testing because we don't support multiple
traces and so tr->id is always zero.
 2020-08-29 18:56:46 +01:00
Gareth Rees
d55a7f147c Fix build on macos 10.15 with clang 11.0. 
We no longer need the -Wno-extended-offsetof or -Wno-invalid-offsetof
compiler options, since the nonstandard uses of offsetof() were
fixed (see job003619), so they can just be removed.
 2020-08-23 16:17:36 +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
ee6ddafcbd Avoid warning from gcc 5.4.0. 
Copied from Perforce
 Change: 196419
 2019-10-10 15:18:03 +01:00
Gareth Rees
84b26d639e The makefile rule for building a generic target no longer depends on the content of extra_targets, since this is designed to be configurable. 
Copied from Perforce
 Change: 196414
 2019-10-10 14:37:38 +01:00
Gareth Rees
c83b1a0323 Avoid an "extended" (non-standards-conforming) call to offsetof. 
Copied from Perforce
 Change: 196195
 2019-06-05 16:31:13 +01:00
Gareth Rees
94b2f5a36e Remove -wno-extended-offsetof flag, no longer needed and not compatible with all the versions of clang that we need to support. 
Copied from Perforce
 Change: 196189
 2019-06-05 14:33:43 +01:00
Gareth Rees
00b7596287 Revert change 196178, submitted on wrong branch. 
Copied from Perforce
 Change: 196185
 2019-06-05 10:36:50 +01:00
Gareth Rees
6f34daf790 Call mps_arena_create_k, not mps_arena_create. 
Copied from Perforce
 Change: 196181
 2019-06-04 15:40:38 +01:00
Gareth Rees
6e116da468 Restore assembly code (removed in change 194595) for spilling callee-save registers on fr and li platforms. 
Copied from Perforce
 Change: 196178
 2019-06-04 14:09:05 +01:00
Gareth Rees
e410c28276 Change the type of writeff to avoid compiler warnings from gcc 8. 
Copied from Perforce
 Change: 196063
 2019-03-14 15:17:47 +00:00
Gareth Rees
9b201f56c3 Simulate just one allocation failure each time. 
Copied from Perforce
 Change: 195983
 2019-02-07 11:57:16 +00:00
Gareth Rees
7f6f4c323b Add a flag to fotest.c so that oomalloc knows when to return error codes, avoiding confusion between the test's pool and the mps's own pool. 
Copied from Perforce
 Change: 195974
 2019-02-07 10:21:32 +00:00
Gareth Rees
d245671303 Update urls (mostly http -> https). 
Copied from Perforce
 Change: 195858
 2018-12-10 13:07:41 +00:00
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
5faa229dd0 Change http to https for links to {info,www}.ravenbrook.com. 
Copied from Perforce
 Change: 195719
 2018-11-22 12:34:46 +00:00
Richard Brooksby
bf37e11ba9 Improving clarity with some hyphens. 
Copied from Perforce
 Change: 195688
 2018-11-19 21:12:15 +00:00
Richard Brooksby
89aae0a96e Fixing copy-paste error in comment. 
Copied from Perforce
 Change: 195683
 2018-11-19 20:56:45 +00:00
Alistair Turnbull
520a1c9ef6 To guarantee at least one failure while maintaining test coverage, use oomalloc on the 
first loop iteration and with 50% probability thereafter.

Copied from Perforce
 Change: 195278
 2018-10-17 17:12:14 +01:00
Alistair Turnbull
6361d8d0ae Implement review suggestions: 
- https://info.ravenbrook.com/mail/2018/10/09/07-29-18/0/
 - https://info.ravenbrook.com/mail/2018/10/09/12-04-39/0/

Fix the code for shuffling an array.

Ensure that oomAlloc is always used at least once.

TODO: Find a principled way of computing `testSetSIZE`.

Copied from Perforce
 Change: 195272
 2018-10-16 18:03:45 +01:00
Gareth Rees
1ec8c4a141 Improve handling of telemetry events on the critical path: 
1. Being on the critical path is a property of the code location where the event is emitted, not of the event type, so indicate this using EVENT_CRITICAL macros rather than a field in the event table.
2. Compile out events on the critical path in hot varieties.
3. Remove TraceFixWhite event (redundant with TraceFixSeg).
4. No need for special handling of PoolFree event -- this are already skipped in hot varieties by dispatching directly to the pool class via PoolFreeMacro.

Copied from Perforce
 Change: 195261
 2018-10-15 14:22:16 +01:00
Gareth Rees
50f25c43ae Fix mpseventsql, broken by change 195250. 
Copied from Perforce
 Change: 195258
 2018-10-15 11:55:51 +01:00
Gareth Rees
c024758d0a Convenience target for building mpseventsql. 
Copied from Perforce
 Change: 195251
 2018-10-14 14:59:15 +01:00
Gareth Rees
4a789a4b0d Update mpseventsql to handle event parameter documentation. 
Copied from Perforce
 Change: 195250
 2018-10-14 14:59:01 +01:00
Gareth Rees
cbf9885146 Document the event parameters. 
Split event ArenaAccess into ArenaAccessBegin and ArenaAccessEnd to avoid the need for the count field.
New events SegReclaim and SegScan.
Delete some redundant events: AMCFinish (PoolFinish), AMCFix, AMCFixForward, AMCFixInPlace (TraceFix), AMCGenCreate (GenInit), AMCGenDestroy (GenFinish), AMCInit (PoolInitAMC), AMCReclaim (SegReclaim), AMCScanBegin, AMCScanEnd (SegScan), ArenaWriteFaults (ArenaAccessBegin), PoolInitMV, TraceScanSeg (SegScan).
Add result code field to events ArenaAllocFail, CommitLimitSet, SegAllocFail.
Remove arena field from events PoolInitAMS, PoolInitMFS, PoolInitMVFF (already appeared in generic PoolInit event).

Copied from Perforce
 Change: 195247
 2018-10-14 14:04:40 +01:00
Gareth Rees
803703fb74 Merge branch/2018-06-20/monitor into the master sources. 
Copied from Perforce
 Change: 195235
 2018-10-13 12:22:24 +01:00
Gareth Rees
77506b67e7 There's no point keeping the definitions of old events, especially since we have changed the event format. name events consistently with initial capital letters and put them in alphabetical order. 
Copied from Perforce
 Change: 195231
 2018-10-12 13:01:12 +01:00
Gareth Rees
882d86bac1 Remove call to pause_end from tracedestroy; see <https://info.ravenbrook.com/mail/2018/10/12/10-20-07/0/> 
The MPS passes the number of system pools to the monitor via the ArenaCreate events, to avoid the monitor having to know how many this is.

Copied from Perforce
 Change: 195227
 2018-10-12 12:35:55 +01:00
Alistair Turnbull
c6314435bb Remove job4014 machinery, which is no longer needed. 
Copied from Perforce
 Change: 195211
 2018-10-08 17:25:22 +01:00
Alistair Turnbull
681b897b3c Add flag is_failure_our_problem to fotest.c. 
Copied from Perforce
 Change: 195210
 2018-10-08 17:19:18 +01:00
Gareth Rees
aa9f8bef8a Fix issue identified in review <https://info.ravenbrook.com/mail/2018/09/22/15-55-52/0/> 
Copied from Perforce
 Change: 195142
 2018-09-23 23:00:59 +01:00
Gareth Rees
de33a1f68d Move assignment so as to avoid "variable 'warmest' might be clobbered by 'longjmp'". 
Copied from Perforce
 Change: 195136
 2018-09-23 20:31:52 +01:00
David Lovemore
8c14e1a600 Address issue 5 found in review <https://info.ravenbrook.com/mail/2018/09/22/11-42-19/0/> 
Copied from Perforce
 Change: 195133
 2018-09-23 05:36:19 +01:00
Gareth Rees
c2ee5a02dc Don't specify macosx_deployment_target in the xcode project -- this avoids complaints from xcode 10.0 without preventing compilation on old versions of macos. 
Copied from Perforce
 Change: 195108
 2018-09-18 18:18:50 +01:00
Gareth Rees
6a6bf7f52e Remove unused function rangetreeinit and rename rangetreeinitfromrange to rangetreeinit. 
Copied from Perforce
 Change: 195094
 2018-09-18 15:37:13 +01:00
Gareth Rees
94e3f8895b Update xcode project for xcode 10.0. 
Xcode 10.0 no longer supports building for IA-32, so the MPS can no longer support building for xci3ll using Xcode.
Revise example Scheme interpreter so that it can be compiled even if getopt.h includes unistd.h (as it does on macOS).

Copied from Perforce
 Change: 195090
 2018-09-18 15:00:45 +01:00
Gareth Rees
df34ac67df Remove support for macos 10.4 and 10.5, because xcode 10.0 does not support these versions. 
Copied from Perforce
 Change: 195087
 2018-09-18 14:18:52 +01:00
Gareth Rees
56d1c0bc12 More cross-references. 
Copied from Perforce
 Change: 195084
 2018-09-18 12:55:54 +01:00
Gareth Rees
a07f027f02 Guide for new developers. 
Documentation design.
Expand test case design.

Copied from Perforce
 Change: 195083
 2018-09-18 12:50:29 +01:00
Gareth Rees
1506a09b79 Clearer about what kind of checks we might add. 
Copied from Perforce
 Change: 195078
 2018-09-16 23:11:34 +01:00
Gareth Rees
5ec88060f4 Add source for some of the monitor requirements. 
Add missing design cross-references.
Fix typo: "even" for "event".

Copied from Perforce
 Change: 195075
 2018-09-16 12:43:46 +01:00
Gareth Rees
d2d2895c03 Catch-up merge from master sources at changelevel 194022 to branch/2018-06-20/monitor. 
Copied from Perforce
 Change: 195071
 2018-09-15 21:29:28 +01:00
Gareth Rees
0c8dc0dac5 Address issues found in review <https://info.ravenbrook.com/mail/2018/09/13/15-44-23/0/> 
Copied from Perforce
 Change: 195057
 2018-09-13 16:47:51 +01:00
Gareth Rees
bfe482e9e8 Avoid division by zero. 
Copied from Perforce
 Change: 194983
 2018-08-14 09:51:41 +01:00
Gareth Rees
09066b0ef4 Describe values uniformly as bytes (not kilobytes). 
Copied from Perforce
 Change: 194982
 2018-08-14 09:44:15 +01:00
Gareth Rees
0bf8ab8610 Make use of mrgrefpartref in mrgmessagefinalizationref. 
Copied from Perforce
 Change: 194979
 2018-08-14 09:25:43 +01:00