2020-09-08 10:21:39 +08:00
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/*
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2021-03-11 18:43:57 +08:00
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* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
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* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
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2020-09-08 10:21:39 +08:00
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* @defgroup kernel Kernel
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* @defgroup los_base Basic definitions
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* @ingroup kernel
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*/
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#ifndef _LOS_BASE_H
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#define _LOS_BASE_H
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#include "los_builddef.h"
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#include "los_typedef.h"
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#include "los_config.h"
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#include "los_printf.h"
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#include "los_list.h"
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#include "los_err.h"
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#include "los_errno.h"
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#include "los_hw.h"
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#include "los_hwi.h"
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#include "securec.h"
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#include "los_exc.h"
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#ifdef __cplusplus
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#if __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#endif /* __cplusplus */
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#define SIZE(a) (a)
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#define LOS_ASSERT_COND(expression) LOS_ASSERT(expression)
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/**
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* @ingroup los_base
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* Define the timeout interval as LOS_NO_WAIT.
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*/
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#define LOS_NO_WAIT 0
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/**
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* @ingroup los_base
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* Define the timeout interval as LOS_WAIT_FOREVER.
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*/
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#define LOS_WAIT_FOREVER 0xFFFFFFFF
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/**
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* @ingroup los_base
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* Align the beginning of the object with the base address addr, with boundary bytes being the smallest unit of
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* alignment.
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*/
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#ifndef ALIGN
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#define ALIGN(addr, boundary) LOS_Align(addr, boundary)
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#endif
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/**
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* @ingroup los_base
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* Align the tail of the object with the base address addr, with size bytes being the smallest unit of alignment.
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*/
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#define TRUNCATE(addr, size) ((UINTPTR)(addr) & ~((size) - 1))
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/**
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* @ingroup los_base
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* Read a UINT8 value from addr and stroed in value.
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*/
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#define READ_UINT8(value, addr) ({ (value) = *((volatile UINT8 *)((UINTPTR)(addr))); Dsb(); })
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/**
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* @ingroup los_base
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* Read a UINT16 value from addr and stroed in addr.
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*/
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#define READ_UINT16(value, addr) ({ (value) = *((volatile UINT16 *)((UINTPTR)(addr))); Dsb(); })
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/**
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* @ingroup los_base
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* Read a UINT32 value from addr and stroed in value.
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*/
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#define READ_UINT32(value, addr) ({ (value) = *((volatile UINT32 *)((UINTPTR)(addr))); Dsb(); })
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/**
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* @ingroup los_base
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* Read a UINT64 value from addr and stroed in value.
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*/
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#define READ_UINT64(value, addr) ({ (value) = *((volatile UINT64 *)((UINTPTR)(addr))); Dsb(); })
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/**
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* @ingroup los_base
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* Write a UINT8 value to addr.
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*/
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#define WRITE_UINT8(value, addr) ({ Dsb(); *((volatile UINT8 *)((UINTPTR)(addr))) = (value); })
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/**
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* @ingroup los_base
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* Write a UINT16 value to addr.
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*/
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#define WRITE_UINT16(value, addr) ({ Dsb(); *((volatile UINT16 *)((UINTPTR)(addr))) = (value); })
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/**
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* @ingroup los_base
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* Write a UINT32 value to addr.
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*/
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#define WRITE_UINT32(value, addr) ({ Dsb(); *((volatile UINT32 *)((UINTPTR)(addr))) = (value); })
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/**
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* @ingroup los_base
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* Write a UINT64 addr to addr.
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*/
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#define WRITE_UINT64(value, addr) ({ Dsb(); *((volatile UINT64 *)((UINTPTR)(addr))) = (value); })
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/**
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* @ingroup los_base
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* Get a UINT8 value from addr.
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*/
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#define GET_UINT8(addr) ({ UINT8 r = *((volatile UINT8 *)((UINTPTR)(addr))); Dsb(); r; })
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/**
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* @ingroup los_base
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* Get a UINT16 value from addr.
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*/
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#define GET_UINT16(addr) ({ UINT16 r = *((volatile UINT16 *)((UINTPTR)(addr))); Dsb(); r; })
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/**
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* @ingroup los_base
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* Get a UINT32 value from addr.
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*/
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#define GET_UINT32(addr) ({ UINT32 r = *((volatile UINT32 *)((UINTPTR)(addr))); Dsb(); r; })
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/**
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* @ingroup los_base
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* Get a UINT64 value from addr.
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*/
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#define GET_UINT64(addr) ({ UINT64 r = *((volatile UINT64 *)((UINTPTR)(addr))); Dsb(); r; })
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#ifdef LOSCFG_DEBUG_VERSION
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#define LOS_ASSERT(judge) do { \
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if ((UINT32)(judge) == 0) { \
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(VOID)LOS_IntLock(); \
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PRINT_ERR("ASSERT ERROR! %s, %d, %s\n", __FILE__, __LINE__, __FUNCTION__); \
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OsBackTrace(); \
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while (1) {} \
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} \
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} while (0)
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#define LOS_ASSERT_MSG(judge, msg) do { \
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if ((UINT32)(judge) == 0) { \
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(VOID)LOS_IntLock(); \
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PRINT_ERR("ASSERT ERROR! %s, %d, %s\n", __FILE__, __LINE__, __FUNCTION__); \
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PRINT_ERR msg; \
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OsBackTrace(); \
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while (1) {} \
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} \
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} while (0)
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#else
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#define LOS_ASSERT(judge)
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#define LOS_ASSERT_MSG(judge, msg)
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#endif
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#define STATIC_ASSERT _Static_assert
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/**
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* @ingroup los_base
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* @brief Align the value (addr) by some bytes (boundary) you specify.
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*
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* @par Description:
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* This API is used to align the value (addr) by some bytes (boundary) you specify.
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*
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* @attention
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* <ul>
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* <li>the value of boundary usually is 4,8,16,32.</li>
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* </ul>
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*
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* @param addr [IN] The variable what you want to align.
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* @param boundary [IN] The align size what you want to align.
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*
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* @retval #UINTPTR The variable what have been aligned.
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* @par Dependency:
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* <ul><li>los_base.h: the header file that contains the API declaration.</li></ul>
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* @see
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*/
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extern UINTPTR LOS_Align(UINTPTR addr, UINT32 boundary);
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/**
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* @ingroup los_base
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* @brief Sleep the current task.
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*
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* @par Description:
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* This API is used to delay the execution of the current task. The task is able to be scheduled after it is delayed
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* for a specified number of Ticks.
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*
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* @attention
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* <ul>
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* <li>The task fails to be delayed if it is being delayed during interrupt processing or it is locked.</li>
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* <li>If 0 is passed in and the task scheduling is not locked, execute the next task in the queue of tasks with the
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* priority of the current task.
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* If no ready task with the priority of the current task is available, the task scheduling will not occur, and the
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* current task continues to be executed.</li>
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* <li>The parameter passed in can not be equal to LOS_WAIT_FOREVER(0xFFFFFFFF).
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* If that happens, the task will not sleep 0xFFFFFFFF milliseconds or sleep forever but sleep 0xFFFFFFFF Ticks.</li>
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* </ul>
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*
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* @param msecs [IN] Type #UINT32 Number of MS for which the task is delayed.
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*
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* @retval None
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* @par Dependency:
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* <ul><li>los_base.h: the header file that contains the API declaration.</li></ul>
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* @see None
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*/
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extern VOID LOS_Msleep(UINT32 msecs);
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#ifdef __cplusplus
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#if __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __cplusplus */
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#endif /* _LOS_BASE_H */
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