sys_waitid

starnix_core::signals::syscalls

Function sys_waitid 

Source 
pub fn sys_waitid(
    locked: &mut Locked<Unlocked>,
    current_task: &CurrentTask,
    id_type: u32,
    id: i32,
    user_info: MultiArchUserRef<siginfo_t, siginfo_t>,
    options: u32,
    user_rusage: RUsagePtr,
) -> Result<(), Errno>
Expand description

The waitid syscall waits for a child process to change state.

§Args

  • id_type: The type of ID to wait for.
  • id: The ID to wait for.
  • user_info: A pointer to a siginfo_t structure that will be filled with information about the state change.
  • options: A bitmask of flags that control the behavior of the syscall.
  • user_rusage: An optional pointer to a rusage structure that will be filled with resource usage information.

§Returns

Ok(()) on success. Otherwise, returns an Errno with the error code.