[dpdk-dev] [PATCH v16 4/9] eal: implement functions for thread affinity management

[Thomas Monjalon]

09/10/2021 09:41, Narcisa Ana Maria Vasile:
> From: Narcisa Vasile <navasile at microsoft.com>
> 
> Implement functions for getting/setting thread affinity.
> Threads can be pinned to specific cores by setting their
> affinity attribute.
> 
> Signed-off-by: Narcisa Vasile <navasile at microsoft.com>
> Signed-off-by: Dmitry Malloy <dmitrym at microsoft.com>
[...]
> +/**
> + * Set the affinity of thread 'thread_id' to the cpu set
> + * specified by 'cpuset'.
> + *
> + * @param thread_id
> + *    Id of the thread for which to set the affinity.
> + *
> + * @param cpuset
> + *   Pointer to CPU affinity to set.
> + *
> + * @return
> + *   On success, return 0.
> + *   On failure, return a positive errno-style error number.

Usually we return negative numbers on error.