Struct TrapHandler 

pub struct TrapHandler {
    pub num_trapped: AtomicUsize,
    pub in_trap: AtomicBool,
    pub in_exit_trap: AtomicBool,
    /* private fields */
}

Trap handler storage

Fields

num_trapped: AtomicUsize

Number of trapped signals

in_trap: AtomicBool

Currently in a trap?

in_exit_trap: AtomicBool

Running exit trap?

Implementations

impl TrapHandler

pub fn new() -> Self

pub fn set_trap(&self, sig: i32, action: TrapAction) -> Result<(), String>

Set a trap for a signal

pub fn unset_trap(&self, sig: i32)

Remove a trap

pub fn get_trap(&self, sig: i32) -> Option<TrapAction>

Get the trap action for a signal

pub fn is_trapped(&self, sig: i32) -> bool

Check if a signal is trapped

pub fn is_ignored(&self, sig: i32) -> bool

Check if a signal is ignored

pub fn list_traps(&self) -> Vec<(i32, TrapAction)>

List all traps

Trait Implementations

impl Default for TrapHandler

fn default() -> Self

Returns the “default value” for a type.