Multithreaded Programming Guide

pthread_barrierattr_getpshared() Return Values

pthread_barrierattr_getpshared() returns zero after completing successfully, and stores the value of the process-shared attribute of attr into the object referenced by the pshared parameter. Any other return value indicates that an error occurred. If the following condition occurs, the function fails and returns the corresponding value.



Indicates that the value of attr was not valid.