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What is POSIX 1003.1c?

April 26, 2017POSIX

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What is POSIX 1003.1c?

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It’s an API for multi-threaded programming standardized by IEEE as part of the POSIX standards. Most Unix vendors have endorsed the POSIX 1003.1c standard. Implementations of the 1003.1c API are already available under Sun Solaris 2.5, Digital Unix 4.0, Silicon Graphics IRIX 6, and should soon be available from other vendors such as IBM and HP. More generally, the 1003.1c API is replacing relatively quickly the proprietary threads library that were developed previously under Unix, such as Mach cthreads, Solaris threads, and IRIX sprocs. Thus, multithreaded programs using the 1003.1c API are likely to run unchanged on a wide variety of Unix platforms.