Semaphores in Linux
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Description: An explanation of semaphores under Linux, including a comparison of System V and POSIX style semaphores. Code examples show how semaphores are used.
(May 24, 2007)
Semaphores in Linux - O'Reilly Media Multithreaded applications are part and parcel of day-to-day commercial application. It would be difficult to imagine any full fledged application running commercially that is not multithreaded. Applications must use the multithreaded approach to improve on the performance of the application or systems. However, most beautiful things in life do not come without a price. Likewise, if the multithreaded feature needs to be used by the application, then it comes with a set of issues, such as deadlocks, race conditions, incorrect behavior of threads, etc. To overcome these issues, the OS provides a set of tools like Mutex, semaphores, signals and barriers that are handy in solving multithreaded multiprocessed issues. This article discusses one of these tool, semaphores, and provides some insight about them.
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| Page title: | Semaphores in Linux - O'Reilly Media |
| Keywords: | semaphores,posix,system v,threads,mutex,linux,programming ,O'Reilly Media |
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| IP-address: | 88.221.132.131 |
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| Date | Creation Date: 24-nov-2003 Expiration Date: 24-nov-2014 |