Unit Instance

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    "translation": "https://translate-dev.freebsd.org/api/translations/documentation/booksarch-handbooksmp_index/en/?format=api",
    "source": [
        "A second method is a bit more obscure. You can protect a datum with multiple locks. Then for reading that data you simply need to have a read lock of one of the locks. However, to write to the data, you need to have a write lock of all of the locks. This can make writing rather expensive but can be useful when data is accessed in various ways. For example, the parent process pointer is protected by both the `proctree_lock` sx lock and the per-process mutex. Sometimes the proc lock is easier as we are just checking to see who a parent of a process is that we already have locked. However, other places such as `inferior` need to walk the tree of processes via parent pointers and locking each process would be prohibitive as well as a pain to guarantee that the condition you are checking remains valid for both the check and the actions taken as a result of the check."
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    "target": [
        "A second method is a bit more obscure. You can protect a datum with multiple locks. Then for reading that data you simply need to have a read lock of one of the locks. However, to write to the data, you need to have a write lock of all of the locks. This can make writing rather expensive but can be useful when data is accessed in various ways. For example, the parent process pointer is protected by both the `proctree_lock` sx lock and the per-process mutex. Sometimes the proc lock is easier as we are just checking to see who a parent of a process is that we already have locked. However, other places such as `inferior` need to walk the tree of processes via parent pointers and locking each process would be prohibitive as well as a pain to guarantee that the condition you are checking remains valid for both the check and the actions taken as a result of the check."
    ],
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    "location": "documentation/content/en/books/arch-handbook/smp/_index.adoc:79",
    "context": "",
    "note": "type: Plain text",
    "flags": "",
    "labels": [],
    "state": 100,
    "fuzzy": false,
    "translated": true,
    "approved": false,
    "position": 16,
    "has_suggestion": false,
    "has_comment": false,
    "has_failing_check": false,
    "num_words": 164,
    "source_unit": "https://translate-dev.freebsd.org/api/units/1134192/?format=api",
    "priority": 100,
    "id": 1134192,
    "web_url": "https://translate-dev.freebsd.org/translate/documentation/booksarch-handbooksmp_index/en/?checksum=f61e8676466ed530",
    "url": "https://translate-dev.freebsd.org/api/units/1134192/?format=api",
    "explanation": "",
    "extra_flags": "",
    "pending": false,
    "timestamp": "2021-05-23T13:16:46.085257Z"
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