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/// Examine pending signals. pub unsafe fn rt_sigpending(set: &mut sigset_t) -> Result<(), Errno> { let set_ptr = set as *mut sigset_t as usize; let sig_set_size = core::mem::size_of::<sigset_t>(); syscall2(SYS_RT_SIGPENDING, set_ptr, sig_set_size).map(drop) }