fcntl function

Detailed description of fcntl functions for file control and fcntl functions for control Abstract:This article mainly discusses the basic application of the fcntl function for file control. the dup function can copy file descriptors, while the fcntl

Abstract:This article mainly discusses the basic application of the fcntl function for file control. the DUP function can copy file descriptors, while the fcntl function is similar to the DUP function. in addition, it provides more powerful

Linux Network Programming-file attributes fcntl Function /* Use the fcntl control file operator */# include # Include # Include Int main (void) {int flags =-1; int accmode =-1;/* Get the status of the standard input

Sys/types. h Is the header file of the basic system data type of Unix/Linux systems, including size_t, time_t, pid_t and other types. The application source file contains to access the definition of _ lp64 and _ ilp32. This header file also

Name------------Fcntlint fcntl (int fd, int cmd, .../*arg*/)----------------The manipulate file descriptor/* action Descriptor */To include a header file:#include #include The function performs one of the operations described below on the open file

Differences between fcntl (), lockf, and flock in linux. What are the differences between fcntl (), lockf, and flock in linux? what are the differences between fcntl (), lockf, and flock? the functions of lvyilong316 are used to lock files? First,

Refer to the differences between FCNTL (), LOCKF, flock in LinuxWhat is the difference between these three functions , which are all about locking up a file?First flock and fcntl are system calls, and LOCKF is a library function . LOCKF is actually

I. fcntl Functions Function: manipulate the file descriptor to change the attributes of an opened file. Int fcntl (int fd, int cmd,.../* Arg */); The cmd value can be as follows: Copy file descriptorF_dupfd (long) Set/Get file descriptor

Function Description: Manipulate file characteristics According to the file description.#include #include int fcntl (int fd, int cmd);int fcntl (int fd, int cmd, long arg);int fcntl (int fd, int cmd, struct flock *lock);DescriptionFCNTL () provides

Transferred from: http://www.cnblogs.com/lonelycatcher/archive/2011/12/22/2297349.htmlFunction Description: Manipulate file characteristics According to the file description.#include #include int fcntl (int fd, int cmd);int fcntl (int fd, int cmd,