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   pthread_getschedparam    ( 3 )

установить / получить политику планирования и параметры потока (set/get scheduling policy and parameters of a thread)

Ошибки (Error)

Both of these functions can fail with the following error:

ESRCH No thread with the ID thread could be found.

pthread_setschedparam() may additionally fail with the following errors:

EINVAL policy is not a recognized policy, or param does not make sense for the policy.

EPERM The caller does not have appropriate privileges to set the specified scheduling policy and parameters.

POSIX.1 also documents an ENOTSUP ("attempt was made to set the policy or scheduling parameters to an unsupported value") error for pthread_setschedparam().