49 lines
1.0 KiB
C
49 lines
1.0 KiB
C
/*
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* Copyright (c) 2006-2024 RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2010-11-17 yi.qiu first version
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*/
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#include <rtthread.h>
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#include <rtm.h>
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#include "dlmodule.h"
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/**
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* @brief close a dynamically loaded shared library.
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*
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* @param handle the handle which identifies the shared library to be closed.
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* @return int it returns RT_TRUE on success.
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*
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* @note This function is an API of POSIX standard, which is designed to decrease the reference count (nref) for a dynamically loaded module
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* and destroy it if no references remain.
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*/
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int dlclose(void *handle)
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{
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struct rt_dlmodule *module;
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RT_ASSERT(handle != RT_NULL);
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module = (struct rt_dlmodule *)handle;
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rt_enter_critical();
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module->nref--;
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if (module->nref <= 0)
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{
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rt_exit_critical();
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dlmodule_destroy(module);
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}
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else
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{
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rt_exit_critical();
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}
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return RT_TRUE;
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}
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RTM_EXPORT(dlclose)
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