Commit 0f1f2d45 authored by Laurent Vivier's avatar Laurent Vivier
Browse files

linux-user: remove host stime() syscall 

stime() has been withdrawn from glibc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: default avatarCole Robinson <crobinso@redhat.com>
Signed-off-by: default avatarLaurent Vivier <laurent@vivier.eu>
Reviewed-by: default avatarPeter Maydell <peter.maydell@linaro.org>
Message-Id: <20191112142556.6335-1-laurent@vivier.eu>
parent c0cb8801

linux-user/syscall.c

+5 −3
Original line number Diff line number Diff line
@@ -7764,10 +7764,12 @@ 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 */