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recover rt_object_find function. 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1085 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong@gmail.com 2010-11-21 23:57:33 +00:00
parent d174592eff
commit f84c16c60d
1 changed files with 50 additions and 0 deletions
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50
src/object.c
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@ -367,4 +367,54 @@ rt_err_t rt_object_is_systemobject(rt_object_t object)
return -RT_ERROR;
}
/**
* This function will find specified name object from object
* container.
*
* @param name the specified name of object.
* @param type the type of object
*
* @return the found object or RT_NULL if there is no this object
* in object container.
*
* @note this routine only can be invoke in none-interrupt status.
*/
rt_object_t rt_object_find(const char* name, rt_uint8_t type)
{
struct rt_object* object;
struct rt_list_node* node;
struct rt_object_information *information;
extern volatile rt_uint8_t rt_interrupt_nest;
/* parameter check */
if ((name == RT_NULL) ||
(type > RT_Object_Class_Unknown))
return RT_NULL;
/* which is invoke in interrupt status */
if (rt_interrupt_nest != 0)
RT_ASSERT(0);
/* enter critical */
rt_enter_critical();
/* try to find object */
information = &rt_object_container[type];
for (node = information->object_list.next; node != &(information->object_list); node = node->next)
{
object = rt_list_entry(node, struct rt_object, list);
if (rt_strncmp(object->name, name, RT_NAME_MAX) == 0)
{
/* leave critical */
rt_exit_critical();
return (rt_object_t)object;
}
}
/* leave critical */
rt_exit_critical();
return RT_NULL;
}
/*@}*/