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57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
/* C11 threads thread sleep implementation - Linux variant.
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Copyright (C) 2020-2021 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 <time.h>
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#include <sysdep-cancel.h>
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#include "thrd_priv.h"
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int
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__thrd_sleep64 (const struct __timespec64 *time_point,
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struct __timespec64 *remaining)
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{
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int ret = __clock_nanosleep_time64 (CLOCK_REALTIME, 0, time_point,
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remaining);
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/* C11 states thrd_sleep function returns -1 if it has been interrupted
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by a signal, or a negative value if it fails. */
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switch (ret)
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{
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case 0: return 0;
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case EINTR: return -1;
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default: return -2;
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}
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}
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#if __TIMESIZE != 64
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libc_hidden_def (__thrd_sleep64)
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int
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__thrd_sleep (const struct timespec *time_point, struct timespec *remaining)
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{
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const struct __timespec64 treq64 = valid_timespec_to_timespec64 (*time_point);
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struct __timespec64 trem64;
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int ret = __thrd_sleep64 (&treq64, remaining != NULL ? &trem64 : NULL);
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if (ret == -1 && remaining != NULL)
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*remaining = valid_timespec64_to_timespec (trem64);
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return ret;
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}
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#endif
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weak_alias (__thrd_sleep, thrd_sleep)
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