pthread_barrier_init() Return Values

pthread_barrier_init() returns zero after completing successfully. Any other return value indicates that an error occurred. If the following condition occurs, the function fails and returns the corresponding value.

EINVAL

Description:

The value specified by count is equal to 0, or the value specified by attr is invalid

EAGAIN

Description:

The system lacks the necessary resources to initialize another barrier.

ENOMEM

Description:

Insufficient memory exists to initialize the barrier.

EBUSY

Description:

There was an attempt to destroy a barrier while it is in use (for example, while being used in a pthread_barrier_wait() call) by another thread.