Nettet21. nov. 2024 · 函数声明:int epoll_wait (int epfd,struct epoll_event * events,int maxevents,int timeout) 该函数用于轮询I/O事件的发生。 参数: epfd:由epoll_create 生成的epoll专用的文件描述符; epoll_event:用于回传代处理事件的数组; maxevents:每次能处理的事件数; timeout:等待I/O事件发生的超时值; 返回发生事件数。 首先通 … Nettet12. apr. 2024 · epoll_wait是Linux系统中的一个函数,用于等待一个或多个文件描述符上的事件。它的定义如下: int epoll_wait(int epfd, struct epoll_event *events, int …
IO复用之epoll_epoll_ctl,epoll_wait,EPOLLIN,EPOLLET - CSDN博客
Nettet21. jun. 2013 · 2. epoll_wait () will block if the file descriptors it is waiting on have no events for it to report about. In your case, I don't believe you have reached epoll_wait … Nettet2 dager siden · epoll中回调函数的使用. epoll_wait函数会阻塞进程,直到有一个或多个文件描述符准备好进行读或写或者出现错误或超时。当epoll_wait返回时,程序需要通过遍历epoll_event数组来确定哪些文件描述符准备好进行读或写或者出现错误或超时,从而进行相 … fewmig
c++ - How to filter epoll events? - Stack Overflow
Nettet30. sep. 2024 · Following is the code snippet: do { n = epoll_wait (epollFd, eventsList, eventsTotal, timeoutMS); } while ( (n<0) && (errno == EINTR)); eventsList memory … Nettet8. apr. 2011 · When data arrives, and both threads are waiting on epoll_wait (), only one will return, but as subsequent data arrives, the thread that wakes up to handle the data … Nettet12. apr. 2024 · epoll_wait() int epoll_wait(int epfd, struct epoll_event* events,int maxevents, int timeout); /* 等待I/O事件的发生 epfd: epoll_create() 生成的 epoll 文件描述符; epoll_event: 用于回传代处理事件的数组; maxevents: 每次能处理的事件数; timeout: 等待I/O事件发生的超时值;返回发生事件数。 few metals