add more comments.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@553 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong 2010-03-29 16:05:19 +00:00
parent 764393722f
commit d088ff6366
1 changed files with 5 additions and 1 deletions

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@ -67,7 +67,11 @@ static void thread2_entry(void* parameter)
int mbox_simple_init()
{
/* 初始化一个mailbox */
rt_mb_init(&mb, "mbt", &mb_pool[0], 128 / 4, RT_IPC_FLAG_FIFO);
rt_mb_init(&mb,
"mbt", /* 名称是mbt */
&mb_pool[0], /* 邮箱用到的内存池是mb_pool */
size(mb_pool)/4, /* 大小是mb_pool大小除以4因为一封邮件的大小是4字节 */
RT_IPC_FLAG_FIFO); /* 采用FIFO方式进行线程等待 */
/* 创建线程1 */
tid1 = rt_thread_create("t1",