fcntl

Embedded Linux: File Locking

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Embedded Linux: File Locking

Click the aboveblue text to follow us Linux file locking is a mechanism used to manage resource access in multi-process or multi-threaded environments, ensuring that only one process or thread can operate on a file at a specific time, thus avoiding data inconsistency. File locks are widely used in various applications, such as database systems, … Read more

Embedded Linux: fcntl() and ioctl() Functions

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Embedded Linux: fcntl() and ioctl() Functions

Click the blue text above to follow us fcntl() and ioctl() are two system calls used to control file descriptors, each serving different purposes and functionalities in various situations. 1 fcntl() Function The fcntl() function provides the capability to perform various control operations on an open file descriptor, such as duplicating a file descriptor (similar … Read more