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GNU Portable Threads
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| GNU Portable Threads | |
|---|---|
 | |
| Original author | Ralf S. Engelschall |
| Initial release | July 16, 1999 |
| Stable release | 2.0.7
/ June 8, 2006 |
| Operating system | POSIX |
| Type | Runtime library |
| License | LGPL |
| Website | www |
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]
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.
