1. Where Type is a pointer type with a signature, replace CHECKL(TypeCheck(val)) with CHECKD(Type, val).
2. Where Type is a pointer type with no signature, replace CHECKL(TypeCheck(val)) with CHECKD_NOSIG(Type, val).
3. Where Type is a pointer type with a signature, but the structure is not visible at point of checking, replace CHECKL(TypeCheck(val)) with CHECKD_NOSIG(Type, val). Reference <design/check/#.hidden-type>
4. Make BTCheck extern and use it where possible.
5. Replace AVER(TypeCheck(val)) with AVERT(Type, val).
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Change: 185263
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1. In GlobalsPrepareToDestroy, set arenaGlobals->defaultChain to NULL before calling ChainDestroy, to avoid a failed ChainCheck inside ControlFree.
2. In GlobalsPrepareToDestroy, set arenaGlobals->lock to NULL after destroying it, to avoid a failed LockCheck inside ControlFree.
3. In TraceIdMessagesCreate, set tsMessage[ti] and tMessage[ti] together to avoid a failed TraceIdMessagesCheck inside traceMessageInit.
4. In TracePostStartMessage, set tsMessage[ti] to NULL before calling MessagePost, to avoid a failed TraceStartMessageCheck inside ControlFree.
5. Ditto for TracePostMessage and tMessage[ti].
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Change: 184924
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Add test case: steptest now runs with the arena clamped, and checks that mps_arena_step does not unclamp it.
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Change: 181098
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* ArenaAccess for handling barrier hits;
* ArenaPoll for choosing a quantum of work.
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Change: 180432
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Always recording events into buffers, but only writing them to the telemetry stream if they're enabled.
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Change: 179136
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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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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.
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Change: 178287
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ArenaPoll will still call TracePoll if clamped...
but TracePoll won't start a new trace if clamped
ArenaStep won't start an opportunistic full collect if clamped
ArenaStep won't advance pollThreshold, ever
traceFlip asserts that clamped is FALSE.
(see http://info.ravenbrook.com/mail/2010/02/23/13-19-24/0.txt)
---
But no, clamped is more complex than that.
- Certain mps.h calls affect it.
- Certain MPS tests use it for more control and reproducibility.
- MPS itself uses it, as part of starting a full collect, for which it must first run any current trace to completion without starting any new ones.
In particular, this set of changes asserts:
MPS ASSERTION FAILURE: ArenaGlobals(arena)->clamped == FALSE
trace.c
534
because mps_arena_collect() tries to start a full collect while clamped.
---
So this changelist is for historical interest only, and will be backed out.
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Change: 169853
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Changes:
- separate ArenaPoll and ArenaStep code paths;
- simplify ArenaPoll;
- loop calling TracePoll to catch-up;
zcoll: 100MB is a more sensible arena size than 0.5 MB
Warning: barely "experimental" code quality, omitting the following necessities:
- consideration of interactions with ArenaStep,
- re-engineering of ArenaPoll and friends.
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Change: 169814
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poolamc.c tidy up:
neater implementation of obj1pip (amcReclaimNailed)
neater implementation of amcResetTraceIdStats -- no need for a function any more
delete lots of obsolete temporary diagnostic (superseded by AMCTraceEnd_pageret)
a few more avers (especially on buffer empty)
also revert temporary diagnostic changes in arena.c, config.h, diag.c, global.c
diag.c: fix diag-buffer at 100 screenfuls (200000 chars).
zcoll.c: reinstate Make 50000 with occasional big objs.
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Change: 168688
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re-create them immediately after a trace sends its last message.
Store them, one per TraceId, in ArenaStruct. Cope correctly if they
cannot be created (ControlAlloc fails). Destroy them correctly on
mps_arena_destroy. See job001989 and design/message-gc#lifecycle
(not yet written).
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Change: 166918
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- new mps_message_type_gc_start() explains what triggered a collection;
- design/message: add guide.
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Change: 161204
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