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linux: Simplify timer_gettime

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With arch-syscall.h it can now assumes the existance of either
__NR_timer_gettime or __NR_time_gettime_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).

Reviewed-by: Lukasz Majewski <lukma@denx.de>
This commit is contained in:
Adhemerval Zanella 2020-07-10 15:05:51 -03:00
parent fd31691c67
commit 70746a06c2
1 changed files with 8 additions and 12 deletions
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20
sysdeps/unix/sysv/linux/timer_gettime.c
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@ -28,27 +28,23 @@ __timer_gettime64 (timer_t timerid, struct __itimerspec64 *value)
{
struct timer *kt = (struct timer *) timerid;
#ifdef __ASSUME_TIME64_SYSCALLS
# ifndef __NR_timer_gettime64
# define __NR_timer_gettime64 __NR_timer_gettime
# endif
return INLINE_SYSCALL_CALL (timer_gettime64, kt->ktimerid, value);
#else
# ifdef __NR_timer_gettime64
#ifndef __NR_timer_gettime64
# define __NR_timer_gettime64 __NR_timer_gettime
#endif
int ret = INLINE_SYSCALL_CALL (timer_gettime64, kt->ktimerid, value);
#ifndef __ASSUME_TIME64_SYSCALLS
if (ret == 0 || errno != ENOSYS)
return ret;
# endif
struct itimerspec its32;
int retval = INLINE_SYSCALL_CALL (timer_gettime, kt->ktimerid, &its32);
if (retval == 0)
ret = INLINE_SYSCALL_CALL (timer_gettime, kt->ktimerid, &its32);
if (ret == 0)
{
value->it_interval = valid_timespec_to_timespec64 (its32.it_interval);
value->it_value = valid_timespec_to_timespec64 (its32.it_value);
}
return retval;
#endif
return ret;
}
#if __TIMESIZE != 64