medium10 pts · first answer countsrtosfreertos

errno shared between tasks

Two tasks use newlib functions that set errno, and each sometimes reads the other task error code. What does FreeRTOS provide for this?

A.configUSE_MUTEXES, which wraps errno in a mutexB.configUSE_TIME_SLICING, which saves errno on each tickC.Nothing, since errno can never be kept per taskD.configUSE_NEWLIB_REENTRANT, giving each task its own state

Discussion 0

Join free to post in the discussion.

errno shared between tasks

Discussion 0

Related questions