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fix module unload issue

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git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2001 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
qiuyiuestc@gmail.com
2012-03-18 04:26:22 +00:00
parent b36c286036
commit 407f922a5b
2 changed files with 14 additions and 11 deletions
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2
include/rtdef.h
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@@ -781,10 +781,12 @@ struct rt_module
rt_uint32_t stack_size; /**< priority of module's thread */ rt_uint32_t stack_size; /**< priority of module's thread */
rt_uint32_t thread_priority; rt_uint32_t thread_priority;
#ifdef RT_USING_SLAB
/* module memory allocator */ /* module memory allocator */
void *mem_list; /**< module's free memory list */ void *mem_list; /**< module's free memory list */
void *page_array; /**< module's using pages */ void *page_array; /**< module's using pages */
rt_uint32_t page_cnt; /**< module's using pages count */ rt_uint32_t page_cnt; /**< module's using pages count */
#endif
rt_uint32_t nsym; /**< number of symbol in the module */ rt_uint32_t nsym; /**< number of symbol in the module */
struct rt_module_symtab *symtab; /**< module symbol table */ struct rt_module_symtab *symtab; /**< module symbol table */

13
src/module.c
View File

@@ -374,14 +374,14 @@ static struct rt_module* _load_shared_object(const char *name, void *module_ptr)
if (module_size == 0) if (module_size == 0)
{ {
rt_kprintf(" module size error\n"); rt_kprintf(" module size error\n");
return RT_NULL;
return module;
} }
/* allocate module */ /* allocate module */
module = (struct rt_module *)rt_object_allocate(RT_Object_Class_Module, name); module = (struct rt_module *)rt_object_allocate(RT_Object_Class_Module, name);
if (!module) if (!module) return RT_NULL;
return RT_NULL;
module->nref = 0;
/* allocate module space */ /* allocate module space */
module->module_space = rt_malloc(module_size); module->module_space = rt_malloc(module_size);
@@ -774,10 +774,10 @@ rt_module_t rt_module_load(const char *name, void *module_ptr)
if (elf_module->e_entry != 0) if (elf_module->e_entry != 0)
{ {
#ifdef RT_USING_SLAB
/* init module memory allocator */ /* init module memory allocator */
module->mem_list = RT_NULL; module->mem_list = RT_NULL;
#ifdef RT_USING_SLAB
/* create page array */ /* create page array */
module->page_array = (void *)rt_malloc(PAGE_COUNT_MAX * sizeof(struct rt_page_info)); module->page_array = (void *)rt_malloc(PAGE_COUNT_MAX * sizeof(struct rt_page_info));
module->page_cnt = 0; module->page_cnt = 0;
@@ -1527,7 +1527,6 @@ void *rt_module_realloc(void *ptr, rt_size_t size)
} }
} }
} }
#endif
#ifdef RT_USING_FINSH #ifdef RT_USING_FINSH
#include <finsh.h> #include <finsh.h>
@@ -1569,3 +1568,5 @@ FINSH_FUNCTION_EXPORT(list_mempage, list module using memory page information)
#endif #endif
#endif #endif
#endif