f_getfl
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. ,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 ... ,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 ... ,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 ... , 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.,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? , 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 ...,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： , 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:.
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 f_getfl 相關參考資料
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 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 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(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 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 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 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 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 |