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Semaphore is a hosted continuous integration and deployment service used for testing and deploying software projects hosted on GitHub and BitBucket. While
Semaphore_(software)
System to transmit information by hand
Flag semaphore (from the Ancient Greek σῆμα (sêma) 'sign' and -φέρω (-phero) '-bearer') is a semaphore system conveying information at a distance by means
Flag_semaphore
Variable used in a concurrent system
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
Semaphore_(programming)
Open-source software platform for remote configuring and managing computers
via GitHub. Semaphore community. "Semaphore API". ansible-semaphore.com. p. 1. Retrieved Sep 19, 2023. Semaphore community. "ansible-semaphore". github
Ansible_(software)
Topics referred to by the same term
Semaphore Corporation (company), a software and publishing firm that operated from 1982 to 2017 Semaphore (album), a 1998 album by Fridge "Semaphore"
Semaphore_(disambiguation)
compendium of software tools that support continuous integration. The following table compares notable continuous integration software on the basis of
Comparison of continuous integration software
Comparison_of_continuous_integration_software
American software company (1982–2017)
Semaphore Corporation was a company notable for being the first to provide public access to selected U.S. Postal Service databases, and for its early
Semaphore_Corporation
American software company
management system. MarkLogic ShareFile Semaphore Podio In 2023, a security vulnerability in Progress-owned file transfer software MOVEit was exploited in a data
Progress_Software
Office skyscraper complex, California
Mark Snesrud; Bob Mayo. "Decoding the San Jose Semaphore" (PDF). Adobe. Retrieved April 9, 2023. "Semaphore - Project". Adobe. Archived from the original
Adobe_World_Headquarters
Reusable solution template to a commonly-needed software behavior
A software design pattern describes a reusable solution to a commonly needed behavior in software. A design pattern is not a rigid structure to be copied
Software_design_pattern
Family of computing problems
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
Producer–consumer_problem
Voice over IP software comparison
This is a comparison of voice over IP (VoIP) software that examines applications and systems used for conducting voice and multimedia communications across
Comparison_of_VoIP_software
Library for Rust programming language
Computer programming portal Free and open-source software portal Tokio is a software library for the Rust programming language. It provides a runtime
Tokio_(software)
Amateur radio communications software
was designed, and a program written initially, by Joe Taylor, K1JT. The software code is now open source and is developed by a small team. The program is
WSPR_(amateur_radio_software)
In computing, restricting data to be accessible by one thread at a time
in which one process gets a semaphore, another process gets a second semaphore, and then both wait till the other semaphore to be released. Other common
Mutual_exclusion
Concept in computer science, referring to processes, or data
chooses to wait. Some semaphores would allow only one thread or process in the code section. Such Semaphores are called binary semaphore and are very similar
Synchronization (computer science)
Synchronization_(computer_science)
Real-time communication over the internet
Alexander "Sandy" Trevor in Columbus, Ohio. Ancestors include network chat software such as UNIX "talk" used in the 1970s.[citation needed] Chat is implemented
Online_chat
Synchronization mechanism for enforcing limits on access to a resource
attempting to make the access. The simplest type of lock is a binary semaphore. It provides exclusive access to the locked data. Other schemes also provide
Lock_(computer_science)
Signalling device to control competing flows of traffic
invented by John Peake Knight. A police constable raised or lowered the semaphore arms and, at night, operated a lever to control the lights which drivers
Traffic_light
Linked hypertext system on the Internet
websites. Web applications are web pages that function as application software. The information on the Web is transferred across the Internet using HTTP
World_Wide_Web
Sharing of data between running processes in a computer system
POSIX mmap, message queues, semaphores, and shared memory RISC OS's messages Solaris Doors System V's message queues, semaphores, and shared memory Linux
Inter-process_communication
Retired telecommunications software service/application
[better source needed] The name for the software was derived from the words "sky" and "peer-to-peer", the latter of which described the software's network architecture.
Skype
will occur with timers. This is avoided with the following. Track software state Semaphore Blocking Fault are induced by signals in POSIX compliant systems
Software_fault_tolerance
Printf-like function for the Linux kernel
possible to acquire the semaphore the output is placed into the log buffer, and the current holder of the console semaphore will notice the new output
Printk
Personal computer by Apple Inc.
A+ Magazine, Feb 1987: 48–49. "Votes For And Against The NetWorkers". Semaphore Signal. No. 26. March 12, 1986. p. 13. Archived from the original on November
Apple_Lisa
Computer system with a dedicated function
be controlled by some synchronization strategy such as message queues, semaphores or a non-blocking synchronization scheme. Because of these complexities
Embedded_system
Software program for making telephone calls over the Internet
A softphone is a software program for making telephone calls over the Internet using a general purpose computer rather than dedicated hardware. The softphone
Softphone
Component of a computer process
synchronization APIs include condition variables, critical sections, semaphores, and monitors. A popular programming pattern involving threads is that
Thread_(computing)
Topics referred to by the same term
that provides illumination Signal lamp, or Aldis lamp or Morse lamp, a semaphore system for optical communication Safety lamp, any of several types of
Lamp
Software that records telephone conversations
Call recording software records telephone conversations over PSTN or VoIP in a digital audio file format. Call recording is distinct from call logging
Call-recording_software
Former company
merge with Hughes Software Systems. 1991: Hughes Software Systems (HSS) founded by KV Ramani in Nehru Place, New Delhi to develop software solutions in the
Aricent
Real-time operating system
FreeRTOS provides methods for multiple threads or tasks, mutexes, semaphores and software timers. A tickless mode is provided for low power applications
FreeRTOS
Operating system
requires blocking mechanisms, such as semaphores or time-delays. A traditional RTOS allows you to run the existing software components as regular “blocking”
QP_(framework)
Hungarian-American billionaire software architect (b. 1948)
Hungarian-American software architect, businessman, and space tourist. He led the development of Microsoft's first application software, including early
Charles_Simonyi
Execution model which allows for parallel computing
between threads using read write locks and barriers Spinlocks The POSIX semaphore API works with POSIX threads but is not part of the threads standard,
Pthreads
Executing several computations during overlapping time periods
programming usually needs the use of some form of locking (e.g., mutexes, semaphores, or monitors) to coordinate between threads. A program that properly implements
Concurrent_computing
Distributed protocol for telephony and instant messaging
reference implementation of the protocol is published as free and open-source software under the terms of the GNU GPL-3.0-or-later. An idea of developing a secure
Tox_(protocol)
When a system's behavior depends on timing of uncontrollable events
two threads run simultaneously without locking or synchronization (via semaphores), the outcome of the operation could be wrong. The alternative sequence
Race_condition
American video game and gambling machine company
biochemist. The company was a software design gaming firm working for Semaphore Systems, developing the title Championship Wrestling for Epyx, and porting
Incredible_Technologies
privileges, and, in some cases, a particular application. binary semaphore: See semaphore. booting: In computing, booting (also known as booting up) is the
Glossary of operating systems terms
Glossary_of_operating_systems_terms
Messages within armed forces
unrecognizable). The first distinctive uses of military communications were called semaphore. Modern units specializing in these tactics are usually designated as
Military_communications
Software-based GSM access point
OpenBTS (Open Base Transceiver Station) is a software-based GSM access point, allowing standard GSM-compatible mobile phones to be used as SIP endpoints
OpenBTS
First implementation of paged virtual memory
operating system code, and nearly all the ALGOL 60 compiler. In this system, semaphores were used as a programming construct for the first time. The design of
THE_multiprogramming_system
Japanese telecommunication company
and Africa Region) e-shelter Gyron Internet Ltd NTT Data NTT Comware NTT Software NTT AT NTT IT NTT Security (now part of NTT Ltd. as of 1 July 2019) NTT
Nippon Telegraph and Telephone
Nippon_Telegraph_and_Telephone
Dutch computer scientist (1930–2002)
basis for computer software through creative research in basic software theory, algorithm theory, structured programming, and semaphores." Dijkstra was alive
Edsger_W._Dijkstra
Multi-core microprocessor microarchitecture
distributed across the SPEs. Tasks are synchronized using mutexes or semaphores as in a conventional operating system. Ready-to-run tasks wait in a queue
Cell_(processor)
American software company
Datalight was a privately held software company specializing in power failsafe and high performance software for preserving data integrity in embedded
Datalight
Software architecture design pattern
Polly for .NET carried the pattern forward, offering both thread pool and semaphore-based isolation strategies. Circuit breaker pattern Fail-fast Fault tolerance
Bulkhead_pattern
Software specification for avionics
ARINC 653 (Avionics Application Software Standard Interface) is a software specification for space and time partitioning in safety-critical avionics real-time
ARINC_653
programming language – Secure Sockets Layer – sed – Self (or SELF) – Semaphore (programming) – Sequential access – Serverless computing – SETL – Shareware
Index_of_computing_articles
System for exchanging messages between computing systems
possible error recovery methods. Protocols may be implemented by hardware, software, or a combination of both. Communicating systems use well-defined formats
Communication_protocol
Annual technology conference by Apple
showcase new software and technologies in the macOS, iOS, iPadOS, watchOS, tvOS, and visionOS families as well as other Apple software; new hardware
Worldwide Developers Conference
Worldwide_Developers_Conference
Video camera connected to a computer or network
marketing department; a version with a PC-compatible parallel port and software for Microsoft Windows was launched in October 1995. The original Quick
Webcam
Supercomputer designed by Tesla
local SRAM per clock cycle. Hardware native operations transfer data, semaphores and barrier constraints across memories and CPUs. System-wide double data
Tesla_Dojo
Phone using one or more VoIP technologies
(SCCP) or various other proprietary protocols. VoIP phones can be simple software-based softphones or purpose-built hardware devices that appear much like
VoIP_phone
Synchronization primitive in computing
usually constructed on top of mutexes and condition variables, or on top of semaphores. Some RW locks allow the lock to be atomically upgraded from being locked
Readers–writer_lock
Anonymous communicating between two entities
difficult or impossible. For example, semaphore, where the configuration of flags held by a signaler or the arms of a semaphore tower encodes parts of the message
Secure_communication
developing software in C. FORTRAN development (FD) For developing software in FORTRAN. FORTRAN runtime (FR) Runtime‑support for FORTRAN. Software development
List_of_POSIX_commands
Real-time operating system
aspects of the Semaphore module, and instances of semaphores to be created on system start up. The module provides an API so that semaphores can be created
TI-RTOS
Free Unix-like operating system kernel
(which can only be manipulated by a set of specific operators), spinlocks, semaphores, mutexes, and lockless algorithms (e.g., RCUs). Most lock-less algorithms
Linux_kernel
Software concurrency problem
science pioneer Edsger Dijkstra, who used it to make the point that general semaphores are often superfluous. Imagine a hypothetical barbershop with one barber
Sleeping_barber_problem
Hand-held portable two-way communications device
Photophone Prepaid mobile phone Radio Radiotelephone Satellite communications Semaphore Phryctoria Semiconductor device MOSFET transistor Smoke signals Telecommunications
Walkie-talkie
Computer mechanism
methods to do this include: Using the lockfile command (a conditional semaphore-file creator distributed in the procmail package). APIs that create a
File_locking
Modified version of the Apple Lisa
original on August 22, 2017. Retrieved September 18, 2021. "Semaphore Signal 26". Semaphore Corporation. March 1986. Archived from the original on September
Macintosh_XL
Linux kernel APIs and ABIs
Linux kernel interface for inter-process communication between processes Semaphore (programming) – Variable used in a concurrent system system call – Way
Linux_kernel_interfaces
Language for controlling a computer
engineered language for expressing computer programs, typically allowing software to be written in a human readable manner. Execution of a program requires
Programming_language
Real-time operating system
Continua stack, health device profile Binary, counting, and mutual exclusion semaphores with priority inheritance Local and distributed message queues POSIX PSE52
VxWorks
Electronic timer used to detect and recover from computer malfunctions
system clock, and synchronization objects (e.g., semaphores) that support timed waits. The design of a software WDT can be influenced by a number of factors
Watchdog_timer
Software company based in Santa Cruz, California
pronounced either as individual letters or as a word) was an American software company, based in Santa Cruz, California, that was best known for selling
Santa_Cruz_Operation
GNU implementation of the standard C library
was started in the 1980s by the Free Software Foundation (FSF) for the GNU operating system. glibc is free software released under the GNU Lesser General
Glibc
Programming language library
concurrency and synchronizing abstractions such as unbounded channels, semaphores and sample variables. Haskell threads have very low overhead: creating
Concurrent_Haskell
1991 video game
using "the kind of options screen that you'd have to be a professional semaphore operator to penetrate. I had to spend almost five minutes reading the
Joe_&_Mac
US license required for operation or repair of certain radio equipment
use a software program to help prepare for the GROL exams. Preparation software will create practice tests. Some of the GROL preparation software will
General radiotelephone operator license
General_radiotelephone_operator_license
Programming paradigm in which many processes are executed simultaneously
use of a barrier. Barriers are typically implemented using a lock or a semaphore. One class of algorithms, known as lock-free and wait-free algorithms
Parallel_computing
Protected section of code that cannot be executed by more than one process at a time
brute-force approach can be improved by using semaphores. To enter a critical section, a thread must obtain a semaphore, which it releases on leaving the section
Critical_section
American provider of voice over IP products
is an American provider of cloud communications and customer experience software for businesses. The company offers unified communications, contact center
8x8
Operating system
allowed the developer to single-step even operating system code with semaphore locks, stored on an inferior disk volume. However, as the memory and source
Pilot_(operating_system)
Telephone system with IP connectivity
for managing internal and external communications. IP PBX is primarily a software hosted on a regular desktop or server as per the requirement demands based
IP_PBX
Microsoft Unix operating system
featured some original extensions by Microsoft, notably file locking and semaphores, while to the userland Microsoft added a "visual shell" for menu-driven
Xenix
Indian-American computer scientist and entrepreneur (born 1944)
synchronization constraints cannot be resolved using only Dijkstra's semaphore P and V operations. He gave a $1.5 million gift to MIT for construction
Suhas_Patil
Global system of connected computer networks
collaborative software, which allow groups to easily form, cheaply communicate, and share ideas. An example of collaborative software is the free software movement
Internet
Topics referred to by the same term
Naval flag signalling, covers various forms of flag signalling, such as semaphore or flaghoist Railway signal Traffic light (traffic signal) Signal (magazine)
Signal_(disambiguation)
CPU instruction to increment a value in memory by a given amount
used to implement concurrency control structures such as mutex locks and semaphores. The motivation for having an atomic fetch-and-add is that operations
Fetch-and-add
Core of a computer operating system
point of view, atomic lock and unlock operations operating on binary semaphores are sufficient primitives to express any functionality of process cooperation
Kernel_(operating_system)
000 in the software industry. There were 1,200 registered information technology (IT) companies in 2002, 200 of which were involved in software development
Communications_in_Iran
Group of industrial software products
Citect is a group of industrial software products sold by Aveva. It started as a software development company specialising in the automation and control
Citect
1792 – Claude Chappe invents the semaphore telegraph. 1792 – Claude Chappe establishes the first long-distance semaphore telegraph line. 1831 – Joseph Henry
History_of_communication
STD 20. RFC 862. Retrieved 2016-09-28. "TCP and UDP ports used by Apple software products". Support. Apple (published 2021-06-14). 2014-11-08. Archived
List of TCP and UDP port numbers
List_of_TCP_and_UDP_port_numbers
Series of discontinued Unix operating systems by DEC
pipes, messages, semaphores, and shared memory). While the converged Unix from the Sun and AT&T alliance (that spawned the Open Software Foundation or OSF)
Ultrix
the RCS Library but which may be useful on their own. Includes timers, semaphores, linked-lists, printing, and windows functions. RCS Library Installation
Real-time Control System Software
Real-time_Control_System_Software
Operating system
support for various mechanisms, such as signals, condition variables, semaphore, mutex, and message queues. Furthermore, extensions like event flags,
PX5_RTOS
French enterprise communication services company
ALE International SAS, trading as Alcatel-Lucent, is a French software company headquartered in Colombes, France, providing communication equipment and
Alcatel-Lucent_Enterprise
System for inter-process communication
Free and open-source software portal OpenBinder is a system for inter-process communication. It was developed at Be Inc. and then Palm, Inc. and was the
OpenBinder
Informal term for the transfer of electronic information by physically moving media
contest between a horse-drawn mail coach and the "Grand Trunk Clacks" (a semaphore line) to see which is faster to transmit the contents of a book to a remote
Sneakernet
System-design platform and development environment
platforms and Measurement and Automation eXplorer (MAX) and Virtual Instrument Software Architecture (VISA) toolsets. LabVIEW includes a compiler that translates
LabVIEW
Cellular telephone network standard since 1991
common standard reduced research and development costs, since hardware and software could be sold with only minor adaptations for the local market. Telstra
GSM
List of humorous technical standards proposals
Day 2006 stunt. RFC 4824 – "The Transmission of IP Datagrams over the Semaphore Flag Signaling System (SFSS)," Informational. RFC 5241 – "Naming Rights
April Fools' Day Request for Comments
April_Fools'_Day_Request_for_Comments
English computer scientist (born 1955)
joined D. G. Nash in Ferndown, Dorset, where he helped create typesetting software for printers. Berners-Lee worked as an independent contractor at CERN from
Tim_Berners-Lee
Cross-platform 3D graphics API and open standard
base Vulkan standard. Some of the most important features are "timeline semaphores for easily managed synchronization", "a formal memory model to precisely
Vulkan
Apple videotelephony service
web version not available in China mainland) Predecessor iChat Type Videotelephony, Voice over IP License Proprietary software Website www.facetime.com
FaceTime
SEMAPHORE SOFTWARE
SEMAPHORE SOFTWARE
Girl/Female
Latin
From the seashore.
Girl/Female
Latin
From the seashore.
Girl/Female
Gujarati, Hindu, Indian, Latin, Marathi, Tamil
From the Seashore
Girl/Female
Latin
From the seashore.
Surname or Lastname
English
English : topographic name for someone who lived by the seashore, Middle English schore.English : topographic name for someone who lived on or by a bank or steep slope, Old English scora. There are minor places named with this word in Lancashire and West Yorkshire, and the surname may also be a habitational name from these.Americanized spelling of Ashkenazic Jewish S(c)hor(r) or Szor, variants of Schauer.
SEMAPHORE SOFTWARE
SEMAPHORE SOFTWARE
Girl/Female
Tamil
Protection of Hari
Male
English
Anglicized form of Hebrew Yareb, JAREB means "contender." In the bible, this is an epithet given to the king of Assyria.
Girl/Female
Arabic, German, Muslim
Good News
Boy/Male
Hindu, Indian, Modern
King of the World
Boy/Male
Indian
Knowledgeable, Thankfulness
Girl/Female
English American German Spanish Anglo Saxon French
Waterfall.
Boy/Male
American, British, English, French
Fortified; Reddish
Boy/Male
Indian, Tamil
A Lion; Very Strong
Girl/Female
British, English, Greek
Black; Dark-skinned
Girl/Female
Hindu
SEMAPHORE SOFTWARE
SEMAPHORE SOFTWARE
SEMAPHORE SOFTWARE
SEMAPHORE SOFTWARE
SEMAPHORE SOFTWARE
a.
Of or pertaining to a semaphore, or semaphores; telegraphic.
v. t.
The seashore, or land near it.
n.
A signal telegraph; an apparatus for giving signals by the disposition of lanterns, flags, oscillating arms, etc.
n.
Impure soda obtained from the ashes of any seashore plant, or kelp.
n.
A seashore shrub (Borrichia arborescens) of the West Indies.
a.
Alt. of Semaphorical
n.
All the ground between the ordinary highwater and low-water marks.
n.
That part of the ovary from which the ovules arise; the placenta.
a.
Belonging to the seashore or a seaport; along and on the shore.
a.
Inhabiting the seashore, esp. the zone between high-water and low-water mark.
n.
The coast of the sea; the land that lies adjacent to the sea or ocean.
adv.
By means of a semaphore.
n.
One who manages or operates a semaphore.
n.
Any one of numerous species of annelids which burrow in the sand of the seashore.
n.
The seashore; seacoast.
n.
The land bordering on, or adjacent to, the sea; the seashore. Also used adjectively.