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When the runtime thread `touch`es a future that is blocked on an atomic action (just as JIT compilation), the runtime thread would eagerly run the action, but still leave the future on the atomic-action queue. Atomic actions tend to be ok to run a second time (including JIT compilation), so a problem may not show up immediately, but a semaphore can get out of sync and cause problems later. |
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| build.md | ||
| LICENSE | ||
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| README.md | ||
Racket is a general-purpose programming language and an ecosystem for language-oriented programming.
This repository holds the source code for the core of Racket plus some related packages. The rest of the Racket distribution source code is in other repositories, mostly under the Racket GitHub organization.
Quick Start
Pre-built versions of Racket for a variety of operating systems and architectures, as well as convenient source distributions are available at
https://download.racket-lang.org
Racket comes with extensive documentation, including several tutorials. You can read all of this documentation, as well as documentation for third-party packages at
Building from Source
For information on building Racket from this repository, see the Build Guide.
Contributing
Contribute to Racket by submitting a pull request, reporting an issue, joining the development mailing list, or visiting the IRC or Slack channels.
By making a contribution, you are agreeing that your contribution is licensed under the Apache 2.0 and MIT licenses. Those licenses are available in this repository in the files LICENSE-APACHE.txt and LICENSE-MIT.txt.
License
Racket is free software; see LICENSE for more details.
Friendly Environment Policy
Please see https://racket-lang.org/friendly.html