56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
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/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <time.h>
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#include <hurd.h>
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#include <hurd/port.h>
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#include <shlib-compat.h>
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/* Set the current time of day.
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This call is restricted to the super-user. */
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int
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__clock_settime (clockid_t clock_id, const struct timespec *ts)
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{
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error_t err;
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mach_port_t hostpriv;
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time_value_t tv;
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if (clock_id != CLOCK_REALTIME
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|| ! valid_nanoseconds (ts->tv_nsec))
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return __hurd_fail (EINVAL);
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err = __get_privileged_ports (&hostpriv, NULL);
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if (err)
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return __hurd_fail (EPERM);
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TIMESPEC_TO_TIME_VALUE (&tv, ts);
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err = __host_set_time (hostpriv, tv);
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__mach_port_deallocate (__mach_task_self (), hostpriv);
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return __hurd_fail (err);
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}
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libc_hidden_def (__clock_settime)
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versioned_symbol (libc, __clock_settime, clock_settime, GLIBC_2_17);
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/* clock_settime moved to libc in version 2.17;
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old binaries may expect the symbol version it had in librt. */
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#if SHLIB_COMPAT (libc, GLIBC_2_2, GLIBC_2_17)
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strong_alias (__clock_settime, __clock_settime_2);
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compat_symbol (libc, __clock_settime_2, clock_settime, GLIBC_2_2);
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#endif
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