[PATCH v7 3/5] resource: Add a __rusage64 struct

[Adhemerval Zanella]

On 31/03/2020 12:46, Alistair Francis wrote:
> Add a __rusage64 struct which always uses a 64-bit time_t.
> 
> Reviewed-by: Lukasz Majewski <lukma@denx.de>
> Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

Ok.

> ---
>  include/sys/resource.h | 110 +++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 110 insertions(+)
> 
> diff --git a/include/sys/resource.h b/include/sys/resource.h
> index c55d4e63bd..9d604dfe3e 100644
> --- a/include/sys/resource.h
> +++ b/include/sys/resource.h
> @@ -2,6 +2,116 @@
>  #include <resource/sys/resource.h>
>  
>  #ifndef _ISOMAC
> +# include <time.h>
> +# include <string.h>
> +
> +/* Internal version of rusage with a 64-bit time_t. */
> +#if __TIMESIZE == 64
> +# define __rusage64 rusage
> +#else
> +struct __rusage64
> +  {
> +    struct __timeval64 ru_utime;
> +    struct __timeval64 ru_stime;
> +    __extension__ union
> +      {
> +	long int ru_maxrss;
> +	__syscall_slong_t __ru_maxrss_word;
> +      };
> +    __extension__ union
> +      {
> +	long int ru_ixrss;
> +	__syscall_slong_t __ru_ixrss_word;
> +      };
> +    __extension__ union
> +      {
> +	long int ru_idrss;
> +	__syscall_slong_t __ru_idrss_word;
> +      };
> +    __extension__ union
> +      {
> +	long int ru_isrss;
> +	 __syscall_slong_t __ru_isrss_word;
> +      };
> +    __extension__ union
> +      {
> +	long int ru_minflt;
> +	__syscall_slong_t __ru_minflt_word;
> +      };
> +    __extension__ union
> +      {
> +	long int ru_majflt;
> +	__syscall_slong_t __ru_majflt_word;
> +      };
> +    __extension__ union
> +      {
> +	long int ru_nswap;
> +	__syscall_slong_t __ru_nswap_word;
> +      };
> +    __extension__ union
> +      {
> +	long int ru_inblock;
> +	__syscall_slong_t __ru_inblock_word;
> +      };
> +    __extension__ union
> +      {
> +	long int ru_oublock;
> +	__syscall_slong_t __ru_oublock_word;
> +      };
> +    __extension__ union
> +      {
> +	long int ru_msgsnd;
> +	__syscall_slong_t __ru_msgsnd_word;
> +      };
> +    __extension__ union
> +      {
> +	long int ru_msgrcv;
> +	__syscall_slong_t __ru_msgrcv_word;
> +      };
> +    __extension__ union
> +      {
> +	long int ru_nsignals;
> +	__syscall_slong_t __ru_nsignals_word;
> +      };
> +    __extension__ union
> +      {
> +	long int ru_nvcsw;
> +	__syscall_slong_t __ru_nvcsw_word;
> +      };
> +    __extension__ union
> +      {
> +	long int ru_nivcsw;
> +	__syscall_slong_t __ru_nivcsw_word;
> +      };
> +  };
> +#endif
> +
> +static inline void
> +rusage64_to_rusage (const struct __rusage64 *restrict r64,
> +                    struct rusage *restrict r)
> +{
> +  /* Make sure the entire output structure is cleared, including
> +     padding and reserved fields.  */
> +  memset (r, 0, sizeof *r);
> +
> +  r->ru_utime    = valid_timeval64_to_timeval (r64->ru_utime);
> +  r->ru_stime    = valid_timeval64_to_timeval (r64->ru_stime);
> +  r->ru_maxrss   = r64->ru_maxrss;
> +  r->ru_ixrss    = r64->ru_ixrss;
> +  r->ru_idrss    = r64->ru_idrss;
> +  r->ru_isrss    = r64->ru_isrss;
> +  r->ru_minflt   = r64->ru_minflt;
> +  r->ru_majflt   = r64->ru_majflt;
> +  r->ru_nswap    = r64->ru_nswap;
> +  r->ru_inblock  = r64->ru_inblock;
> +  r->ru_oublock  = r64->ru_oublock;
> +  r->ru_msgsnd   = r64->ru_msgsnd;
> +  r->ru_msgrcv   = r64->ru_msgrcv;
> +  r->ru_nsignals = r64->ru_nsignals;
> +  r->ru_nvcsw    = r64->ru_nvcsw;
> +  r->ru_nivcsw   = r64->ru_nivcsw;
> +}
> +
>  /* Prototypes repeated instead of using __typeof because
>     sys/resource.h is included in C++ tests, and declaring functions
>     with __typeof and __THROW doesn't work for C++.  */
>