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36 lines
1.2 KiB
36 lines
1.2 KiB
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
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<pkgmetadata>
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<herd>haskell</herd>
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<maintainer>
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<email>haskell@gentoo.org</email>
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</maintainer>
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<longdescription>
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The @concurrent-extra@ package offers among other things the
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following selection of synchronisation primitives:
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* @Broadcast@: Wake multiple threads by broadcasting a value.
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* @Event@: Wake multiple threads by signalling an event.
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* @Lock@: Enforce exclusive access to a resource. Also known as a
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binary semaphore or mutex. The package additionally provides an
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alternative that works in the @STM@ monad.
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* @RLock@: A lock which can be acquired multiple times by the same
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thread. Also known as a reentrant mutex.
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* @ReadWriteLock@: Multiple-reader, single-writer locks. Used to
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protect shared resources which may be concurrently read, but only
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sequentially written.
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* @ReadWriteVar@: Concurrent read, sequential write variables.
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Please consult the API documentation of the individual modules for
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more detailed information.
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This package was inspired by the concurrency libraries of Java and
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Python.
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</longdescription>
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</pkgmetadata>
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