64 lines
1.4 KiB
C
64 lines
1.4 KiB
C
/*
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* Copyright (c) 2015 Wind River Systems, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @file
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* @brief Nanokernel sleep routines
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*
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* This module provides various nanokernel related sleep routines.
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*/
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#include <nano_private.h>
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#include <nano_internal.h>
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#include <toolchain.h>
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#include <sections.h>
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#include <wait_q.h>
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void fiber_sleep(int32_t timeout_in_ticks)
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{
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int key;
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if (timeout_in_ticks == TICKS_NONE) {
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fiber_yield();
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return;
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}
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key = irq_lock();
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_nano_timeout_add(_nanokernel.current, NULL, timeout_in_ticks);
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_Swap(key);
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}
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#ifndef CONFIG_MICROKERNEL
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void task_sleep(int32_t timeout_in_ticks)
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{
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int64_t cur_ticks, limit;
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int key;
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key = irq_lock();
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cur_ticks = nano_tick_get();
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limit = cur_ticks + timeout_in_ticks;
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while (cur_ticks < limit) {
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nano_cpu_atomic_idle(key);
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key = irq_lock();
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cur_ticks = nano_tick_get();
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}
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irq_unlock(key);
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}
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#endif
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