43 lines
918 B
C++
43 lines
918 B
C++
/*
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* \brief C-library back end
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* \author Christian Prochaska
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* \date 2012-03-20
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*/
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/*
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* Copyright (C) 2008-2017 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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/* Libc includes */
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#include <sys/time.h>
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#include "task.h"
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extern "C" __attribute__((weak))
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int _nanosleep(const struct timespec *req, struct timespec *rem)
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{
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Genode::uint64_t sleep_ms = (uint64_t)req->tv_sec*1000 + req->tv_nsec/1000000;
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if (!sleep_ms) return 0;
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struct Check : Libc::Suspend_functor { bool suspend() override { return true; } } check;
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do { sleep_ms = Libc::suspend(check, sleep_ms); } while (sleep_ms);
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if (rem) {
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rem->tv_sec = 0;
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rem->tv_nsec = 0;
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}
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return 0;
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}
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extern "C" __attribute__((weak))
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int nanosleep(const struct timespec *req, struct timespec *rem)
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{
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return _nanosleep(req, rem);
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}
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