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In computing, a futex (short for "fast userspace mutex") is a kernel system call that programmers can use to implement basic locking, or as a building block for higher-level locking abstractions such as semaphores and POSIX mutexes or condition variables.
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Explore the main themes, entities and connections around Futex. Start with the topic map, then use the sections below for research and deeper semantic analysis.
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linux system operations kernel futexes wait userspace since atomic fast integer processes one wake use queue calls locking red hat
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| semaphores | instance of | or as a building block for higher-level locking abstractions | 0.80 | text |
| POSIX mutexes or condition variables.A futex consists of a kernel-space wait queue that is attached to an atomic integer in userspace | instance of | or as a building block for higher-level locking abstractions | 0.80 | text |
| Futex | related to External links | Franke | 0.60 | section |
| Futex | related to External links | Rusty Russell | 0.60 | section |
| Futex | related to External links | Matthew Kirkwood | 0.60 | section |
| Futex | related to External links | Fuss | 0.60 | section |
| Futex | related to External links | Fast Userlevel Locking | 0.60 | section |
| Futex | related to External links | Linux | 0.60 | section |
| Futex | related to External links | Ottawa Linux Symposium | 0.60 | section |
| Futex | related to External links | Drepper | 0.60 | section |
| Futex | related to External links | Ulrich | 0.60 | section |
| Futex | related to External links | Futexes | 0.60 | section |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
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