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