Stream: git-wasmtime

Topic: wasmtime / PR #2952 make ResourceLimiter operate on Store...

Wasmtime GitHub notifications bot (May 28 2021 at 23:48):

pchickey opened PR #2952 from pch/limiter_in_store_data to main:

Based on #2897 - draft until that PR lands.

This PR does two things:

• The ResourceLimiter trait is now implemented on the data inside a Store rather than as a standalone owned type. This change required changing the structure of the Store internals a bunch. Additionally, the trait is now defined in wasmtime_runtime and re-exported by wasmtime.
• Two new functions, entering_native_code_hook and exiting_native_code_hook, are added to Store. These functions get to operate on the data inside a Store much like resource limiter's mut methods. These functions give embedding the opportunity to measure time (or other resources) and trap before entering any native code (i.e. a Func) linked into the Store, and again before returning from that native code.

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Wasmtime GitHub notifications bot (May 28 2021 at 23:48):

pchickey requested alexcrichton for a review on PR #2952.

Wasmtime GitHub notifications bot (Jun 03 2021 at 22:00):

pchickey updated PR #2952 from pch/limiter_in_store_data to main.

Wasmtime GitHub notifications bot (Jun 03 2021 at 22:01):

pchickey has marked PR #2952 as ready for review.

Wasmtime GitHub notifications bot (Jun 03 2021 at 22:14):

alexcrichton submitted PR review.

Wasmtime GitHub notifications bot (Jun 03 2021 at 22:33):

pchickey updated PR #2952 from pch/limiter_in_store_data to main.

Wasmtime GitHub notifications bot (Jun 03 2021 at 22:59):

pchickey updated PR #2952 from pch/limiter_in_store_data to main.

Wasmtime GitHub notifications bot (Jun 04 2021 at 14:11):

alexcrichton submitted PR review.

Wasmtime GitHub notifications bot (Jun 04 2021 at 14:11):

alexcrichton created PR review comment:

Is the as &mut dyn ResourceLimiter required here in that rustc can't infer it?

Wasmtime GitHub notifications bot (Jun 04 2021 at 14:12):

alexcrichton submitted PR review.

Wasmtime GitHub notifications bot (Jun 04 2021 at 14:12):

alexcrichton created PR review comment:

Oh how come this change was necessary? I didn't think we even gave access to the Store...

Wasmtime GitHub notifications bot (Jun 04 2021 at 14:15):

bjorn3 submitted PR review.

Wasmtime GitHub notifications bot (Jun 04 2021 at 14:15):

bjorn3 created PR review comment:

|s| s doesn't attempt to coerce s AFAIK.

Wasmtime GitHub notifications bot (Jun 04 2021 at 16:09):

pchickey created PR review comment:

This is used over in the fuzzing crate, which uses a resource limiter. So, while previously the store could have a () data and also own a dyn ResourceLimiter, now the store has to contain the dyn ResourceLimiter.

Wasmtime GitHub notifications bot (Jun 04 2021 at 16:09):

pchickey submitted PR review.

Wasmtime GitHub notifications bot (Jun 04 2021 at 22:51):

pchickey updated PR #2952 from pch/limiter_in_store_data to main.

Wasmtime GitHub notifications bot (Jun 07 2021 at 19:13):

pchickey updated PR #2952 from pch/limiter_in_store_data to main.

Wasmtime GitHub notifications bot (Jun 07 2021 at 22:24):

pchickey updated PR #2952 from pch/limiter_in_store_data to main.

Wasmtime GitHub notifications bot (Jun 08 2021 at 14:37):

alexcrichton merged PR #2952.

Last updated: Dec 23 2024 at 12:05 UTC