From d088ff636618416245c64ea4f139f0960347b8cd Mon Sep 17 00:00:00 2001 From: "bernard.xiong" Date: Mon, 29 Mar 2010 16:05:19 +0000 Subject: [PATCH] add more comments. git-svn-id: https://rt-thread.googlecode.com/svn/trunk@553 bbd45198-f89e-11dd-88c7-29a3b14d5316 --- examples/kernel/mbox_simple.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/examples/kernel/mbox_simple.c b/examples/kernel/mbox_simple.c index 7e620b87d..beca23e14 100644 --- a/examples/kernel/mbox_simple.c +++ b/examples/kernel/mbox_simple.c @@ -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", -- GitLab