• In computer science, a semaphore is a variable or abstract data type used to control access to a common resource by multiple threads and avoid critical...
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  • Thumbnail for Semaphore
    Semaphore (lit. 'apparatus for signalling'; from Ancient Greek σῆμα (sêma) 'mark, sign, token' and Greek -φόρος (-phóros) 'bearer, carrier') is the use...
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  • 1920s to 1950s Semaphore (programming), in computer science, a mechanism for supporting mutual exclusion in concurrent programs Semaphore (software), a...
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  • register (computing) Program status word Semaphore (programming) Status register Haigh, J. (1994). Designing Computer Programs. Elsevier Science. p. 59...
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  • mineral Page view, a metric in web analytics Semaphore (programming), from P and V operations in semaphores restricting processes in a shared environment...
    3 KB (422 words) - 02:07, 22 November 2024
  • kernel implements a special solution for few writers called seqlock. Semaphore (programming) Mutual exclusion Scheduler pattern Balking pattern File locking...
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    of programming language design involve tradeoffs—for example, exception handling simplifies error handling, but at a performance cost. Programming language...
    65 KB (7,495 words) - 02:23, 24 November 2024
  • SR (short for Synchronizing Resources) is a programming language designed for concurrent programming. Resources encapsulate processes and the variables...
    2 KB (180 words) - 19:10, 19 November 2024
  • automatic parallelization of builds for Ruby projects. Semaphore supports the following programming languages: C/C++, Clojure, Elixir, Go, Java, JavaScript...
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  • Thumbnail for List of Dutch inventions and innovations
    Concurrent Programming: From Semaphores to Remote Procedure Calls. (Springer)., p. 8 Dijkstra, E. W. (1965). "Solution of a problem in concurrent programming control"...
    156 KB (18,944 words) - 14:59, 6 November 2024
  • language – SCSI – Second-generation programming language – Secure Sockets Layer – sed – Self (or SELF) – Semaphore (programming) – Sequential access – SETL –...
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  • thread at a time Search engine indexing – Method for data management Semaphore (programming) – Variable used in a concurrent system Software transactional memory –...
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  • was controlled by two counting semaphores in what we now know as the producer/consumer arrangement: the one semaphore indicating the length of the queue...
    17 KB (2,182 words) - 14:10, 29 May 2024
  • particles V (programming language) V (operating system), 1981–1988 V-Model, a model for a software development process V, in Semaphore (programming) Vanadium...
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  • Flat file database ISAM Key–value database Mobile database NoSQL Semaphore (programming) Kew 2007, p. 80: "DBMs have been with us since the early days of...
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  • Thumbnail for Linux kernel interfaces
    portal The Linux Programming Interface by Michael Kerrisk Semaphore (programming) system call – is a function to facilitate programs to request services...
    16 KB (1,718 words) - 09:46, 11 October 2024
  • Monitor (synchronization) (category Programming constructs)
    sequential processes - a later development of monitors by C. A. R. Hoare Semaphore (programming) Brinch Hansen, Per (1973). "7.2 Class Concept" (PDF). Operating...
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  • concurrent programming usually needs the use of some form of locking (e.g., mutexes, semaphores, or monitors) to coordinate between threads. A program that...
    29 KB (2,970 words) - 20:55, 6 November 2024
  • Thumbnail for Pointer (computer programming)
    Donald Knuth, Structured Programming, with go to Statements In computer science, a pointer is an object in many programming languages that stores a memory...
    73 KB (9,783 words) - 19:07, 22 November 2024
  • Critical section (category Programming constructs)
    concurrent programming, concurrent accesses to shared resources can lead to unexpected or erroneous behavior. Thus, the parts of the program where the...
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  • Thumbnail for Dining philosophers problem
    { std::binary_semaphore{0}, std::binary_semaphore{0}, std::binary_semaphore{0}, std::binary_semaphore{0}, std::binary_semaphore{0} }; size_t my_rand(size_t...
    21 KB (2,730 words) - 18:38, 20 November 2024
  • model that exists independently from a programming language, as well as a parallel execution model. It allows a program to control multiple different flows...
    9 KB (1,086 words) - 21:48, 21 October 2024
  • algorithms, Dijkstra's algorithm, Go To Statement Considered Harmful, semaphore (programming), IFIP WG 2.1 member Matthew Dillon – DragonFly BSD with LWKT, vkernel...
    54 KB (5,156 words) - 15:09, 20 November 2024
  • science pioneer Edsger Dijkstra, who used it to make the point that general semaphores are often superfluous. Imagine a hypothetical barbershop with one barber...
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  • Thumbnail for Parallel computing
    internals – the semaphore". Embedded. AspenCore. Retrieved 2018-05-10. Preshing, Jeff (2012-06-08). "An Introduction to Lock-Free Programming". Preshing on...
    74 KB (8,414 words) - 05:19, 24 November 2024
  • Thumbnail for Message
    plaintext to ciphertext Express mail – Accelerated mail delivery service Flag semaphore – System to transmit information by hand Instant messaging – Form of computer...
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  • structured approach to computer programming. Conceptually, design pattern may be described as more specific than programming paradigm and less specific than...
    44 KB (2,879 words) - 03:31, 20 November 2024
  • and procedural programming language, designed by Niklaus Wirth as a small, efficient language intended to encourage good programming practices using...
    67 KB (8,227 words) - 15:32, 14 November 2024
  • resource // all semaphores initialised to 1 semaphore resource; // controls access (read/write) to the resource. Binary semaphore. semaphore rmutex; // for...
    16 KB (2,193 words) - 16:54, 8 April 2024
  • compiled programs can execute. The implementation of a parallel programming model can take the form of a library invoked from a programming language,...
    13 KB (1,205 words) - 03:06, 23 October 2024