sys_flock

kernel::abi::linux::riscv64::fs

Function sys_flock 

Source 
pub fn sys_flock(abi: &mut LinuxRiscv64Abi, trapframe: &mut Trapframe) -> usize
Expand description

Linux sys_flock - Apply or remove an advisory lock on an open file

Apply or remove an advisory lock on the open file specified by fd. This is a simplified implementation that always succeeds.

Arguments:

  • abi: LinuxRiscv64Abi context
  • trapframe: Trapframe containing syscall arguments
    • arg0: fd (file descriptor)
    • arg1: operation (LOCK_SH, LOCK_EX, LOCK_UN, etc.)

Returns:

  • 0 on success
  • usize::MAX (Linux -1) on error