HTL_thread_executor_get_affinity

Obtains the CPU set bound to a specified executor.

Interface Definition

int HTL_thread_executor_get_affinity(HTL_thread_executor_t executor, int max_cpuids, int *cpuids, int *num_cpuids);

Description

HTL_thread_executor_get_affinity() is used to obtain the CPU set bound to a specified executor. If the executor is not bound to any CPU, cpuids will not be updated.

Parameters

Parameter	Type	Description	Input/Output
executor	HTL_thread_executor_t	Handle to the executor.	Input
max_cpuids	int	Maximum number of records that can be written to cpuids.	Input
cpuids	int *	CPU ID.	Output
num_cpuids	int *	Number of CPUs.	Output

Return Value

HTL_THREAD_SUCCESS: success.
Other values: failure. For details, see the error code descriptions.

Example

    cpuset_size = num_cpus;
    cpuset = (int *)malloc(cpuset_size * sizeof(int));
    num_cpus = 0;
    HTL_thread_executor_t self_executor;
    ret = HTL_self_get_xstream(&self_executor);
    ret = HTL_thread_executor_get_affinity(self_executor, cpuset_size, cpuset, &num_cpus);

Parent topic: Executor Functions