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parking_lot_core

v0.9.12 Growing

An advanced API for creating custom synchronization primitives.

MIT OR Apache-2.0 Edition 2021 MSRV 1.71.0
Concurrency #mutex#thread#rwlock#condvar#once

Quick Verdict

  • !Pre-1.0: API may have breaking changes
  • โœ“Trusted by 705 crates
  • โœ“Permissive license (MIT OR Apache-2.0)

Security

Checking security advisories...
Downloads
938.6M
Dependents
705
Releases
53
Size
34KB

Deep Insights

๐Ÿ“Š
Stable downloads

63.0M downloads in the last 30 days (2.1M/day). Volume is roughly flat compared to the previous period.

๐Ÿ”—
Moderate adoption

705 crates depend on parking_lot_core. Reasonable ecosystem adoption, though not yet a core dependency.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 9+ years old, parking_lot_core hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿ“
Compact crate

At 33KB, parking_lot_core is lightweight. Small crate size correlates with focused, well-scoped functionality.

๐ŸŒŸ
Used by top crates

Notable dependents include once_cell, parking_lot, dashmap, static_init, foundations. When high-quality crates choose parking_lot_core, it's a strong quality signal.

Health Breakdown

Maintenance 8/25

Recency, release consistency, active ratio

Quality 13/25

Yanked ratio, deps, size, maturity, features

Community 15/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 12/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
1.9M/day avg-48%
01.0M2.0M3.0M4/265/146/16/197/77/24

Top Dependents

Version Adoption

v0.9.12
35%
v0.9.10
26%
v0.8.6
15%
v0.9.11
14%
v0.9.9
10%

Release Timeline

10 releasessince 2022
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2022
3
2023
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2024
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2025
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2026
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Feature Flags

nightlydeadlock_detection

README

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Maintainers

Dependencies
7
direct dependencies
Dependents
705
crates depend on parking_lot_core

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