f_getfl

相關問題 & 資訊整理

f_getfl

3.14 fcntl函数(2)-利用F_GETFL参数值获取文件读写状态. 2013年11月02日23:07:15 周老五 阅读数:3646. fcntl函数可以改变已打开文件的性质。函数原型如下: ,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? ,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 ... ,F_GETFL (void): Get 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 access ... , 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:., 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 ...,13.15.4 Getting and Setting File Status Flags. The fcntl function can fetch or change file status flags. Macro: int F_GETFL. This macro is used as the command ... ,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. , Look at the rest of the fcntl commands. Notice how some of them (F_DUPFD, F_SETFL, and others) tell you what the third arg is used for.

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f_getfl 相關參考資料
3.14 fcntl函数(2)-利用F_GETFL参数值获取文件读写状态- zhoulaowu ...

3.14 fcntl函数(2)-利用F_GETFL参数值获取文件读写状态. 2013年11月02日23:07:15 周老五 阅读数:3646. fcntl函数可以改变已打开文件的性质。函数原型如下:

https://blog.csdn.net

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?

https://stackoverflow.com

fcntl(2) - Linux manual page - man7.org

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 ...

http://man7.org

fcntl(2): change file descriptor - Linux man page

F_GETFL (void): Get 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 access ...

https://linux.die.net

fcntl即F_SETFL,F_GETFL的使用,设置文件的flags - xp_xiaopeng的 ...

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:.

https://blog.csdn.net

fcntl即F_SETFL,F_GETFL的使用,设置文件的flags - 张亮校的专栏 ...

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 ...

https://blog.csdn.net

Getting File Status Flags (The GNU C Library) - Gnu.org

13.15.4 Getting and Setting File Status Flags. The fcntl function can fetch or change file status flags. Macro: int F_GETFL. This macro is used as the command ...

http://www.gnu.org

Linux下fcntl 函数用法说明- cissco - ITeye博客

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.

https://cissco.iteye.com

when is the arg for F_GETFL fcntl command required? - Stack Overflow

Look at the rest of the fcntl commands. Notice how some of them (F_DUPFD, F_SETFL, and others) tell you what the third arg is used for.

https://stackoverflow.com