[v4,1/7] eal: fix header build with C++

  C++ files could not include some headers because:

* "new" is a keyword in C++, so can't be a variable name
* there is no automatic casting to/from void *

Fixes: 184104fc6121 ("ticketlock: introduce fair ticket based locking")
Fixes: 032a7e5499a0 ("trace: implement provider payload")
Cc: joyce.kong@arm.com
Cc: jerinj@marvell.com
Cc: stable@dpdk.org

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
---
 lib/eal/include/generic/rte_ticketlock.h | 14 +++++++-------
 lib/eal/include/rte_trace_point.h        |  2 +-
 2 files changed, 8 insertions(+), 8 deletions(-)
  

<snip>

> Subject: [PATCH v4 1/7] eal: fix header build with C++
>
> C++ files could not include some headers because:
>
> * "new" is a keyword in C++, so can't be a variable name
> * there is no automatic casting to/from void *
>
> Fixes: 184104fc6121 ("ticketlock: introduce fair ticket based locking")
> Fixes: 032a7e5499a0 ("trace: implement provider payload")
> Cc: joyce.kong@arm.com
> Cc: jerinj@marvell.com
> Cc: stable@dpdk.org
>
> Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Joyce Kong <joyce.kong@arm.com>

> ---
>  lib/eal/include/generic/rte_ticketlock.h | 14 +++++++-------
>  lib/eal/include/rte_trace_point.h        |  2 +-
>  2 files changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/lib/eal/include/generic/rte_ticketlock.h
> b/lib/eal/include/generic/rte_ticketlock.h
> index c1b8808f51..693c67b517 100644
> --- a/lib/eal/include/generic/rte_ticketlock.h
> +++ b/lib/eal/include/generic/rte_ticketlock.h
> @@ -91,13 +91,13 @@ rte_ticketlock_unlock(rte_ticketlock_t *tl)  static
> inline int  rte_ticketlock_trylock(rte_ticketlock_t *tl)  {
> -     rte_ticketlock_t old, new;
> -     old.tickets = __atomic_load_n(&tl->tickets, __ATOMIC_RELAXED);
> -     new.tickets = old.tickets;
> -     new.s.next++;
> -     if (old.s.next == old.s.current) {
> -             if (__atomic_compare_exchange_n(&tl->tickets, &old.tickets,
> -                 new.tickets, 0, __ATOMIC_ACQUIRE, __ATOMIC_RELAXED))
> +     rte_ticketlock_t oldl, newl;
> +     oldl.tickets = __atomic_load_n(&tl->tickets, __ATOMIC_RELAXED);
> +     newl.tickets = oldl.tickets;
> +     newl.s.next++;
> +     if (oldl.s.next == oldl.s.current) {
> +             if (__atomic_compare_exchange_n(&tl->tickets, &oldl.tickets,
> +                 newl.tickets, 0, __ATOMIC_ACQUIRE, __ATOMIC_RELAXED))
>                       return 1;
>       }
>
> diff --git a/lib/eal/include/rte_trace_point.h
> b/lib/eal/include/rte_trace_point.h
> index e226f073f7..0f8700974f 100644
> --- a/lib/eal/include/rte_trace_point.h
> +++ b/lib/eal/include/rte_trace_point.h
> @@ -370,7 +370,7 @@ do { \
>  do { \
>       if (unlikely(in == NULL)) \
>               return; \
> -     rte_strscpy(mem, in, __RTE_TRACE_EMIT_STRING_LEN_MAX); \
> +     rte_strscpy((char *)mem, in, __RTE_TRACE_EMIT_STRING_LEN_MAX);
> \
>       mem = RTE_PTR_ADD(mem, __RTE_TRACE_EMIT_STRING_LEN_MAX);
> \  } while (0)
>
> --
> 2.32.0

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