Le 12/11/2019 à 15:25, Laurent Vivier a écrit :
> stime() has been withdrawn from glibc
> (12cbde1dae6f "Use clock_settime to implement stime; withdraw stime.")
>
> Implement the target stime() syscall using host
> clock_settime(CLOCK_REALTIME, ...) as it is done internally in glibc.
>
> Tested qemu-ppc/x86_64 with:
>
> #include <time.h>
> #include <stdio.h>
>
> int main(void)
> {
> time_t t;
> int ret;
>
> /* date -u -d"2019-11-12T15:11:00" "+%s" */
> t = 1573571460;
> ret = stime(&t);
> printf("ret %d\n", ret);
> return 0;
> }
>
> # date; ./stime; date
> Tue Nov 12 14:18:32 UTC 2019
> ret 0
> Tue Nov 12 15:11:00 UTC 2019
>
> Buglink: https://bugs.launchpad.net/qemu/+bug/1852115
> Reported-by: Cole Robinson <crobi...@redhat.com>
> Signed-off-by: Laurent Vivier <laur...@vivier.eu>
> ---
> linux-user/syscall.c | 8 +++++---
> 1 file changed, 5 insertions(+), 3 deletions(-)
>
> diff --git a/linux-user/syscall.c b/linux-user/syscall.c
> index ab9d933e53af..c4dcdc94b10c 100644
> --- a/linux-user/syscall.c
> +++ b/linux-user/syscall.c
> @@ -7763,10 +7763,12 @@ static abi_long do_syscall1(void *cpu_env, int num,
> abi_long arg1,
> #ifdef TARGET_NR_stime /* not on alpha */
> case TARGET_NR_stime:
> {
> - time_t host_time;
> - if (get_user_sal(host_time, arg1))
> + struct timespec ts;
> + ts.tv_nsec = 0;
> + if (get_user_sal(ts.tv_sec, arg1)) {
> return -TARGET_EFAULT;
> - return get_errno(stime(&host_time));
> + }
> + return get_errno(clock_settime(CLOCK_REALTIME, &ts));
> }
> #endif
> #ifdef TARGET_NR_alarm /* not on alpha */
>
Applied to my linux-user branch.
Thanks,
Laurent
