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Merge pull request #1622 from armink/fix_com_init

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[components] Update dfs and lwIP 2.0.2 re-initialization process.
This commit is contained in:
aozima
2018-07-16 20:48:24 +08:00
committed by GitHub
parent add3eedeea 730981ec42
commit 6deeb61efb
2 changed files with 18 additions and 15 deletions
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components/dfs/src/dfs.c
+11 -9
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@@ -55,15 +55,15 @@ static int fd_alloc(struct dfs_fdtable *fdt, int startfd);
/**
* this function will initialize device file system.
*/
static volatile uint8_t init_ok = 0;
int dfs_init(void)
{
if(init_ok)
static rt_bool_t init_ok = RT_FALSE;
if (init_ok)
{
rt_kprintf("dfs already init.\n");
return 0;
return 0;
}
init_ok = 1;
/* clear filesystem operations table */
memset((void *)filesystem_operation_table, 0, sizeof(filesystem_operation_table));
@@ -92,6 +92,8 @@ int dfs_init(void)
}
#endif
init_ok = RT_TRUE;
return 0;
}
INIT_PREV_EXPORT(dfs_init);
@@ -506,13 +508,13 @@ struct dfs_fdtable* dfs_fdtable_get(void)
{
struct dfs_fdtable *fdt;
#ifdef RT_USING_LWP
struct rt_lwp *lwp;
struct rt_lwp *lwp;
lwp = (struct rt_lwp *)rt_thread_self()->user_data;
lwp = (struct rt_lwp *)rt_thread_self()->user_data;
if (lwp)
fdt = &lwp->fdt;
else
fdt = &_fdtab;
fdt = &lwp->fdt;
else
fdt = &_fdtab;
#else
fdt = &_fdtab;
#endif