pub fn sigprocmask(
how: i32,
set_ptr: usize,
oldset_ptr: usize,
) -> Result<usize, Error>Expand description
Examine and change blocked signals.
how: SIG_BLOCK / SIG_UNBLOCK / SIG_SETMASK.
set_ptr / oldset_ptr: pointers to signal set bitmasks (0 = ignore).