unlock_file()

The unlock_file() function releases an advisory lock on a file descriptor using the fcntl system call.

C

Prototype

int unlock_file(int fd);

Parameters

Key	Type	Description
fd	int	The file descriptor of the file to be unlocked.

---

Return Value

Returns 0 on success, or -1 if an error occurs.

Notes

This function is typically used in conjunction with lock_file() to manage file locking in multi-process environments.

JS

Prototype

// Not applicable in JS

Python

Prototype

# Not applicable in Python

Examples

C

// TODO C examples

JS

// TODO JS examples

Python

# TODO Python examples