WebApr 12, 2024 · 在非阻塞模式下尝试读取文件,如果返回值为 -1 且errno为 EAGAIN,表示文件已经设置为非阻塞模式。 最后调用 close 函数关闭文件描述符 fd。 需要注意的是,fcntl 函数可以用于控制文件描述符的多个属性和行为,具体使用方法和参数含义需要根据实际情况进 … WebFeb 23, 2024 · After checking for TCP performance issues, check upper layer associated protocols such as file system protocols (Server Message Block (SMB) or Network File System (NFS)). These protocols require processor resources and disk IOs. The slow speed is caused by a faulty driver or hardware, a high deferred procedure call (DPC) queue …
FFmpeg/avcodec.h at master · FFmpeg/FFmpeg · GitHub
Web1 day ago · This module makes available standard errno system symbols. The value of each symbol is the corresponding integer value. The names and descriptions are borrowed … WebEAGAIN Resource temporarily unavailable (may be the same value as EWOULDBLOCK) (POSIX.1-2001). EALREADY Connection already in progress (POSIX.1-2001). EBADE Invalid exchange. EBADF Bad file descriptor (POSIX.1-2001). EBADFD File descriptor in bad state. EBADMSG Bad message (POSIX.1-2001). how to scroll roblox chat in first person
recv(2) - Linux manual page - Michael Kerrisk
WebOct 27, 2024 · 31. ERROR_GEN_FAILURE. A device attached to the system is not functioning. 32. ERROR_SHARING_VIOLATION. The process cannot access the file because it is being used by another process. 33. ERROR_LOCK_VIOLATION. The process cannot access the file because another process has locked a portion of the file. WebDec 16, 2024 · EAGAIN. Many Unix programs, especially those with System V roots, check for the EAGAIN value in the global errno variable when a non-blocking call fails. This is … WebOct 29, 2010 · EAGAIN is often raised when performing non-blocking I/O. It means "there is no data available right now, try again later". It might (or might not) be the same as … how to scroll reset fortnite