sys_umask

Function sys_umask 

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

Linux sys_umask implementation (stub)

Sets the file mode creation mask (umask) and returns the previous value. This is a stub implementation that simply returns the provided mask without actually storing or using it for file creation permissions.

Arguments:

  • abi: LinuxRiscv64Abi context
  • trapframe: Trapframe containing syscall arguments
    • arg0: mask (new file creation mask)

Returns:

  • The provided mask value (simulating the previous umask)