[PATCH 08/23] linux: Simplify sched_rr_get_interval
Lukasz Majewski
lukma@denx.de
Tue Jul 14 08:07:33 GMT 2020
On Mon, 13 Jul 2020 14:10:10 -0300
Adhemerval Zanella via Libc-alpha <libc-alpha@sourceware.org> wrote:
> With arch-syscall.h it can now assumes the existance of either
> __NR_sched_rr_get_interval or __NR_sched_rr_get_interval_time64.
> The 32-bit time_t support is now only build for
> !__ASSUME_TIME64_SYSCALLS.
>
> Checked on x86_64-linux-gnu and i686-linux-gnu (on 5.4 and on 4.15
> kernel).
> ---
> sysdeps/unix/sysv/linux/sched_rr_gi.c | 20 ++++++++------------
> 1 file changed, 8 insertions(+), 12 deletions(-)
>
> diff --git a/sysdeps/unix/sysv/linux/sched_rr_gi.c
> b/sysdeps/unix/sysv/linux/sched_rr_gi.c index 3d7b484591..997562159f
> 100644 --- a/sysdeps/unix/sysv/linux/sched_rr_gi.c
> +++ b/sysdeps/unix/sysv/linux/sched_rr_gi.c
> @@ -25,24 +25,20 @@
> int
> __sched_rr_get_interval64 (pid_t pid, struct __timespec64 *tp)
> {
> -#ifdef __ASSUME_TIME64_SYSCALLS
> -# ifndef __NR_sched_rr_get_interval_time64
> -# define __NR_sched_rr_get_interval_time64
> __NR_sched_rr_get_interval -# endif
> - return INLINE_SYSCALL_CALL (sched_rr_get_interval_time64, pid, tp);
> -#else
> -# ifdef __NR_sched_rr_get_interval_time64
> +#ifndef __NR_sched_rr_get_interval_time64
> +# define __NR_sched_rr_get_interval_time64 __NR_sched_rr_get_interval
> +#endif
> int ret = INLINE_SYSCALL_CALL (sched_rr_get_interval_time64, pid,
> tp); +#ifndef __ASSUME_TIME64_SYSCALLS
> if (ret == 0 || errno != ENOSYS)
> return ret;
> -# endif
> +
> struct timespec tp32;
> - int retval = INLINE_SYSCALL_CALL (sched_rr_get_interval, pid,
> &tp32);
> - if (retval == 0)
> + ret = INLINE_SYSCALL_CALL (sched_rr_get_interval, pid, &tp32);
> + if (ret == 0)
> *tp = valid_timespec_to_timespec64 (tp32);
> -
> - return retval;
> #endif
> + return ret;
> }
>
> #if __TIMESIZE != 64
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Best regards,
Lukasz Majewski
--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: lukma@denx.de
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