GNU Portable Threads

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GNU Portable Threads

GNU Pth (Portable Threads) is a POSIX/ANSI-C based user space thread library for UNIX platforms that provides priority-based scheduling for multithreading applications. GNU Pth targets for a high degree of portability. It is part of the GNU Project.[1]

Quick Facts Original author(s), Initial release ...
GNU Portable Threads
Original author(s)Ralf S. Engelschall
Initial releaseJuly 16, 1999; 25 years ago (1999-07-16)
Stable release
2.0.7 / June 8, 2006; 18 years ago (2006-06-08)
Operating systemPOSIX
TypeRuntime library
LicenseLGPL
Websitewww.gnu.org/software/pth/ 
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Pth also provides API emulation for POSIX threads for backward compatibility.

GNU Pth uses an N:1 mapping to kernel-space threads, i.e., the scheduling is done completely by the GNU Pth library and the kernel itself is not aware of the N threads in user-space. Because of this there is no possibility to utilize SMP as kernel dispatching would be necessary.

See also

References

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