f_setfl header
The <fcntl.h> header shall define the following requests and arguments for use by the functions fcntl() and open(). Values for ... F_SETFL: Set file status flags. ,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? ,... that name various flags that are used with it are declared in the header file fcntl.h . ... F_SETFL. Set flags associated with the open file. See File Status Flags. , F_SETFL (int) Set the file status flags to the value specified by arg. ... feature test macro must be defined before including any header files.,... 437 fentl system call F_SETOWN/F_SETFL commands, 159 vs. ioctl method, 134 fontl.h header file, 148 fdatasync system call, 158 FDDI networks, configuring ... ,new headers get at least O_DSYNC semantics on older kernels. *. * This has the nice side-effect ... #define F_SETFL 4 /* set file->f_flags */. #ifndef F_GETLK. ,Fcntl loads the constants defined in the system's <fcntl.h> C header file, and used with both the fcntl(2) and ... f.fcntl(Fcntl::F_SETFL, Fcntl::O_NONBLOCK|m) ...
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 f_setfl header 相關參考資料
<fcntl.h>
The <fcntl.h> header shall define the following requests and arguments for use by the functions fcntl() and open(). Values for ... F_SETFL: Set file status flags. https://pubs.opengroup.org 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 Control Operations (The GNU C Library) - GNU.org
... that name various flags that are used with it are declared in the header file fcntl.h . ... F_SETFL. Set flags associated with the open file. See File Status Flags. https://www.gnu.org fcntl(2) - Linux manual page - Michael Kerrisk - man7.org
F_SETFL (int) Set the file status flags to the value specified by arg. ... feature test macro must be defined before including any header files. http://man7.org Linux Device Drivers - 第 538 頁 - Google 圖書結果
... 437 fentl system call F_SETOWN/F_SETFL commands, 159 vs. ioctl method, 134 fontl.h header file, 148 fdatasync system call, 158 FDDI networks, configuring ... https://books.google.com.tw linuxfcntl.h at master · torvaldslinux · GitHub
new headers get at least O_DSYNC semantics on older kernels. *. * This has the nice side-effect ... #define F_SETFL 4 /* set file->f_flags */. #ifndef F_GETLK. https://github.com Module: Fcntl (Ruby 2.6.3) - Ruby-Doc.org
Fcntl loads the constants defined in the system's <fcntl.h> C header file, and used with both the fcntl(2) and ... f.fcntl(Fcntl::F_SETFL, Fcntl::O_NONBLOCK|m) ... https://ruby-doc.org |