pth: pth (GNU Portable Threads) pth: pth: Pth is a very portable POSIX/ANSI-C based library for Unix platforms pth: which provides non-preemptive priority-based scheduling for multiple pth: threads of execution (aka `multithreading') inside event-driven pth: applications. All threads run in the same address space of the pth: server application, but each thread has its own individual pth: program-counter, run-time stack, signal mask and errno variable. pth: pth: pth: