Return Values

pthread_cond_init() returns zero after completing successfully. Any other returned value indicates that an error occurred. When any of the following conditions occur, the function fails and returns the corresponding value.

EINVAL

The value specified by cattr is invalid.

EBUSY

The condition variable is being used.

EAGAIN

The necessary resources are not available.

ENOMEM

There is not enough memory to initialize the condition variable.