fcntl o_nonblock
F_SETFL 设置给arg描述符状态标志,可以更改的几个标志是：O_APPEND， O_NONBLOCK，O_SYNC和O_ASYNC。 命令字(cmd)F_GETFL ..., 比如设置非阻塞IO型的F_SETFL的参数为O_NONBLOCK. 所以设置非阻塞IO的典型设置代码为：. flags = flags | O_NONBLOCK;. fcntl(fd, F_SETFL ...
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 fcntl o_nonblock 相關參考資料
Introduction to non-blocking IO - Dan Kegel
if (-1 == (flags = fcntl(fd, F_GETFL, 0))) flags = 0; return fcntl(fd, F_SETFL, flags | O_NONBLOCK); #else /* Otherwise, use the old way of doing it */ flags = 1; return ... http://www.kegel.com Linux fcntl函数设置阻塞与非阻塞- 邶风- 博客园
F_SETFL 设置给arg描述符状态标志,可以更改的几个标志是：O_APPEND， O_NONBLOCK，O_SYNC和O_ASYNC。 命令字(cmd)F_GETFL ... https://www.cnblogs.com Linux IO模型漫谈（4）- 非阻塞IO - 轩脉刃- 博客园
比如设置非阻塞IO型的F_SETFL的参数为O_NONBLOCK. 所以设置非阻塞IO的典型设置代码为：. flags = flags | O_NONBLOCK;. fcntl(fd, F_SETFL ... https://www.cnblogs.com Is O_NONBLOCK being set a property of the file descriptor or ...
int fds[2]; pipe(fds); int fd0_dup = dup(fds[0]); fcntl(fd0_dup, F_SETFL, fcntl(fd0_dup, F_GETFL) | O_NONBLOCK);. Now both fd0_dup and fds[0] refer to the same ... https://stackoverflow.com UNIX nonblocking IO: O_NONBLOCK vs. FIONBIO - Stack ...
Prior to standardization there was ioctl( ... FIONBIO ... ) and fcntl( ... O_NDELAY ... ) , but these behaved inconsistently between systems, and ... https://stackoverflow.com O_NONBLOCK是否正在设置文件描述符或者基础文件的属性 ...
我一直在阅读开放组织网站上fcntl, https://hant-kb.kutu66.com 9.11. fcntl() - Beej's Guide to Network Programming 正體中文版
#include <sys/unistd.h> #include <sys/fcntl.h> int fcntl(int s, int cmd, long arg); 說明 ... O_NONBLOCK, 將socket 設定為non-blocking，細節請參考blocking 章節。 http://beej-zhtw.netdpi.net 7.1. Blocking（阻塞） - Beej's Guide to Network Programming ...
sockfd = socket ( PF_INET , SOCK_STREAM , 0 ); fcntl ( sockfd , F_SETFL , O_NONBLOCK ); . . . 將socket 設定為non-blocking（非阻塞），你就能"poll（輪詢）" socket ... http://beej-zhtw.netdpi.net fcntl(2) - Linux manual page - Michael Kerrisk - man7.org
fcntl() performs one of the operations described below on the open file ... If the O_NONBLOCK flag is not enabled, then the system call is blocked until the lock is ... https://man7.org O_NONBLOCK,fcntl 非阻塞io读取键盘鼠标_视野是生命的宽度 ...
1.fcntl #include #include int fcntl(int fd, int cmd, ... /* arg */ ); The file status flags and their semantics are described in open(2). F_GETFL (void) ... https://blog.csdn.net |