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北京环保网站建设,扫二维码做自己网站,263企业邮箱登录邮箱,重庆房地产网站建设深入了解Xenomai实时系统 1. 核心代码分析 以下是一段关键代码，其主要功能是等待消息并处理超时和中断情况： task = vrtx_current_task(); /** Set up a few status bits the VRTX way, so that inquiries* about the task state will return proper information.*/ task-…深入了解Xenomai实时系统1. 核心代码分析以下是一段关键代码，其主要功能是等待消息并处理超时和中断情况：task = vrtx_current_task(); /* * Set up a few status bits the VRTX way, so that inquiries * about the task state will return proper information. */ task-vrtxtcb.TCBSTAT = TBSMBOX; if (timeout) task-vrtxtcb.TCBSTAT |= TBSDELAY; /* We have to wait for a message now. */ xnsynch_sleep_on(mb-synchbase, timeout, XN_RELATIVE); /* Are we waking up due to a Linux signal, or some unblocking call? */ if (xnthread_test_info(task-threadbase, XNBREAK)) { *errp = -EINTR; goto unlock_and_exit; } /* Did we reach the timeout limit? */ if (xnthread_test_info(task-threadbase, XNTIMEO)) { *errp = ER_TMO; goto unlock_and_exit; } done: /*