标签：struct 获取 semaphore sem rup ble int interrupt nbsp
1、semaphore
struct semaphore g_logic_func_sem;
down_interruptible(&g_logic_func_sem)
up(&g_logic_func_sem);
sema_init(&g_logic_func_sem, 1);
1）是否支持嵌套获取？
2）各种down的接口
标签：struct 获取 semaphore sem rup ble int interrupt nbsp
原文地址：http://www.cnblogs.com/soul-stone/p/7417055.html
