[dpdk-dev] [RFC PATCH v1 0/5] add new API for wait until scheme

[Stephen Hemminger]

On Thu,  2 Sep 2021 13:32:48 +0800
Feifei Wang <feifei.wang2 at arm.com> wrote:

> Add new API for wait_until scheme, and apply this new API into lib to
> replace rte_pause.
> 
> Feifei Wang (5):
>   eal: add new API for wait until scheme
>   eal: use wait until scheme for read pflock
>   eal: use wait until scheme for mcslock
>   lib/bpf: use wait until scheme for Rx/Tx iteration
>   lib/distributor: use wait until scheme
> 
>  lib/bpf/bpf_pkt.c                        |  11 +-
>  lib/distributor/rte_distributor_single.c |  10 +-
>  lib/eal/arm/include/rte_pause_64.h       | 271 ++++++++++++++++----
>  lib/eal/include/generic/rte_mcslock.h    |   9 +-
>  lib/eal/include/generic/rte_pause.h      | 309 +++++++++++++++++++++++
>  lib/eal/include/generic/rte_pflock.h     |   5 +-
>  6 files changed, 543 insertions(+), 72 deletions(-)
> 

Since these are all inline, would it be possible to make
this a macro and have the caller pass a condition function?

Look at Linux wait_event() for an example of that.