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40 lines
1.4 KiB
C
40 lines
1.4 KiB
C
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/* C11 threads thread sleep implementation.
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Copyright (C) 2018 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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<http://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_sleep (const struct timespec* time_point, struct timespec* remaining)
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{
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INTERNAL_SYSCALL_DECL (err);
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int ret = INTERNAL_SYSCALL_CANCEL (nanosleep, err, time_point, remaining);
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if (INTERNAL_SYSCALL_ERROR_P (ret, err))
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{
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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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ret = INTERNAL_SYSCALL_ERRNO (ret, err);
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if (ret == EINTR)
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return -1;
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return -2;
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}
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return 0;
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}
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