f_setfl
The file status flags and their semantics are described in open(2). F_GETFL (void) Return (as the function result) the file access mode and the file status flags; arg is ignored. F_SETFL (int) Set the file status flags to the value specified by arg. File , F_SETFL (int). Set the file status flags to the value specified by arg. File access mode (O_RDONLY, O_WRONLY, O_RDWR) and file creation flags (i.e., O_CREAT, O_EXCL, O_NOCTTY, O_TRUNC) in arg are ignored. On Linux this command can change only the O_APPEN
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 f_setfl 相關參考資料
fcntl即F_SETFL,F_GETFL的使用，设置文件的flags,阻塞设置成非阻塞 ...
fcntl即F_SETFL,F_GETFL的使用，设置文件的flags,阻塞设置成非阻塞，非阻塞设置成阻塞(这连个在server开发中可以封装为基本函数),无影的网易博客,高性能_分布式_网络_kv存储_网页搜索, http://blog.163.com fcntl(2) - Linux manual page - man7.org
The file status flags and their semantics are described in open(2). F_GETFL (void) Return (as the function result) the file access mode and the file status flags; arg is ignored. F_SETFL (int) Set the... http://man7.org c - Why fcntl(fd, F_SETFL, 0) use in serial port programming ...
F_SETFL (int). Set the file status flags to the value specified by arg. File access mode (O_RDONLY, O_WRONLY, O_RDWR) and file creation flags (i.e., O_CREAT, O_EXCL, O_NOCTTY, O_TRUNC) in arg are ign... https://stackoverflow.com file io - c - Usage of F_GETFL and F_SETFL - Stack Overflow
You asked: Why the flag returned by fcntl(fd, F_GETFL) only include a subset of bits of what I set when open file? Does it only show the ones that are modifiable? No; it only shows the ones that are ... https://stackoverflow.com fcntl即F_SETFL,F_GETFL的使用，设置文件的flags - CSDN博客
1、获取文件的flags，即open函数的第二个参数: flags = fcntl(fd,F_GETFL,0); 2、设置文件的flags: fcntl(fd,F_SETFL,flags); 3、增加文件的某个flags，比如文件是阻塞的，想设置成非阻塞: flags = fcntl(fd,F_GETFL,0); flags |= http://blog.csdn.net Linux下fcntl 函数用法说明- cissco - ITeye博客
Fcntl()针对(文件)描述符提供控制.参数fd 是被参数cmd操作(如下面的描述)的描述符. 针对cmd的值,fcntl能够接受第三个参数int arg. fcntl函数有5种功能： 1.复制一个现有的描述符（cmd=F_DUPFD）. 2.获得／设置文件描述符标记(cmd=F_GETFD或F_SETFD). 3.获得／设置文件状态标记(cmd=F_GETFL或F_SETFL). http://cissco.iteye.com c - Why fcntl(fd, F_SETFL, 0) use in serial port programming - Stack ...
F_SETFL (int). Set the file status flags to the value specified by arg. File access mode (O_RDONLY, O_WRONLY, O_RDWR) and file creation flags (i.e., O_CREAT, O_EXCL, O_NOCTTY, O_TRUNC) in arg are igno... http://stackoverflow.com Linux fcntl函数详解- 夕相待- 博客园
fcntl()针对(文件)描述符提供控制.参数fd是被参数cmd操作(如下面的描述)的描述符. 针对cmd的值,fcntl能够接受第三个参数（arg）. fcntl函数有5种功能：. 1.复制一个现有的描述符（cmd=F_DUPFD）. 2.获得／设置文件描述符标记(cmd=F_GETFD或F_SETFD). 3.获得／设置文件状态标记(cmd=F_GETFL或F_SETFL). 4. http://www.cnblogs.com fcntl F_SETFL,F_GETFL的使用_娟子_新浪博客
fcntl即F_SETFL,F_GETFL的使用，设置文件的flags,阻塞设置成非阻塞，非阻塞设置成阻塞(这连个在server开发中可以封装为基本函数). 1、获取文件的flags，即open函数的第二个参数: flags = fcntl(fd,F_GETFL,0);. 2、设置文件的flags: fcntl(fd,F_SETFL,flags);. 3、增加文件的某个flags，比如文件是阻塞... http://blog.sina.com.cn |