As you have learnt that sleep( )/usleep()/nanosleep() are not good to delay a process. Timers can provide more accurate time control in applications. In this lab, you will explore POSIX timers and signal programming, experience the timer drift. The

rtos unix like (posix) for pic32,mplab,fat32,C,asm

Introducing multithreaded programming POSIX Threads and NVIDIA s CUDA