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