createAnonymousFile function
Creates an anonymous file with the specified size.
This function creates an anonymous file with the given size. The file is created
with the O_CLOEXEC flag set, which ensures the file descriptor is closed when
the process executes a new program.
Parameters:
size: The size of the anonymous file to create.
Returns: The file descriptor of the created anonymous file.
Throws:
Exception: If an error occurs while creating the anonymous file.
Implementation
int createAnonymousFile(int size) => _implementation.createAnonymousFile(size);