RT-Thread
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rt-thread
mirror of https://github.com/RT-Thread/rt-thread
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update module 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1097 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
qiuyiuestc 2010-11-23 01:20:20 +00:00
parent c5c956a818
commit 5a8d5a56cb
3 changed files with 24 additions and 20 deletions
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2
include/rtdef.h
View File

@ -377,7 +377,7 @@ struct rt_thread
*/
#define RT_MODULE_FLAG_WITHENTRY 0x00 /* with entry point */
#define RT_MODULE_FLAG_WITHOUTENTRY 0x01 /* no entry point */
#define RT_MODULE_FLAG_WITHOUTENTRY 0x01 /* without entry point */
struct rt_module
{

2
include/rtthread.h
View File

@ -316,7 +316,7 @@ void *rt_module_realloc(void *ptr, rt_size_t size);
void rt_module_free(rt_module_t module, void *addr);
rt_module_t rt_module_self (void);
rt_err_t rt_module_set (rt_module_t module);
rt_module_t rt_module_find(char* name);
rt_module_t rt_module_find(const char* name);
#endif
/*

40
src/module.c
View File

@ -253,9 +253,8 @@ rt_module_t rt_module_load(const rt_uint8_t* name, void* module_ptr)
rt_uint8_t *ptr, *strtab;
rt_bool_t linked = RT_FALSE;
#ifdef RT_MODULE_DEBUG
rt_kprintf("rt_module_load: %s\n", name);
#endif
/* check ELF header */
if (rt_memcmp(elf_module->e_ident, RTMMAG, SELFMAG) == 0)
{
@ -393,11 +392,10 @@ rt_module_t rt_module_load(const rt_uint8_t* name, void* module_ptr)
/* init module memory allocator */
module->module_mem_list = RT_NULL;
module->page_node_pool = rt_malloc(sizeof(struct rt_mempool));
rt_memset(module->page_node_pool, 0, sizeof(struct rt_mempool));
module->page_node_pool = RT_NULL;
/* create module thread */
module->stack_size = 512;
module->stack_size = 2048;
module->thread_priority = 90;
module->module_thread = rt_thread_create(name,
module->module_entry, RT_NULL,
@ -447,7 +445,9 @@ rt_module_t rt_module_open(const char* filename)
rt_free(buffer);
return RT_NULL;
}
rt_kprintf("read %d bytes from file\n", length);
/* rt_kprintf("read %d bytes from file\n", length); */
module = rt_module_load(filename, (void *)buffer);
rt_free(buffer);
close(fd);
@ -474,13 +474,12 @@ rt_err_t rt_module_unload(rt_module_t module)
struct rt_object* object;
struct rt_list_node *list;
#ifdef RT_MODULE_DEBUG
rt_kprintf("rt_module_unload %s\n", module->parent.name);
#endif
rt_kprintf("rt_module_unload: %s\n", module->parent.name);
/* check parameter */
RT_ASSERT(module != RT_NULL);
/* module has entry point */
if(!(module->parent.flag & RT_MODULE_FLAG_WITHOUTENTRY))
{
/* suspend module main thread */
@ -660,16 +659,18 @@ rt_err_t rt_module_unload(rt_module_t module)
rt_list_remove(list->next);
}
/* free page node mempool */
if(((struct rt_mempool*)module->page_node_pool)->start_address != 0)
rt_page_free(((struct rt_mempool*)module->page_node_pool)->start_address, 1);
if(module->page_node_pool)
{
/* free page node mempool */
if(((struct rt_mempool*)module->page_node_pool)->start_address != 0)
rt_page_free(((struct rt_mempool*)module->page_node_pool)->start_address, 1);
/* detach page node mempool */
if(module->page_node_pool != RT_NULL)
/* detach page node mempool */
rt_mp_detach(module->page_node_pool);
/* free page node mempool structure */
rt_free(module->page_node_pool);
/* free page node mempool structure */
rt_free(module->page_node_pool);
}
}
/* release module space memory */
@ -688,7 +689,7 @@ rt_err_t rt_module_unload(rt_module_t module)
*
* @return the module
*/
rt_module_t rt_module_find(char* name)
rt_module_t rt_module_find(const char* name)
{
struct rt_object_information *information;
struct rt_object* object;
@ -733,8 +734,11 @@ static struct rt_mem_head *morepage(rt_size_t nu)
cp = rt_page_alloc(npage);
if(cp == RT_NULL) return RT_NULL;
if(((struct rt_mempool*)rt_current_module->page_node_pool)->start_address == 0)
if(!rt_current_module->page_node_pool)
{
rt_current_module->page_node_pool = rt_malloc(sizeof(struct rt_mempool));
rt_memset(rt_current_module->page_node_pool, 0, sizeof(struct rt_mempool));
/* allocate a page for page node */
void *start = rt_page_alloc(1);
rt_mp_init(