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use super::types::*;

/// for blocking signals
pub const SIG_BLOCK: i32 = 0;
/// for unblocking signals
pub const SIG_UNBLOCK: i32 = 1;
/// for setting the signal mask
pub const SIG_SETMASK: i32 = 2;

// TODO(Shaohua):
//pub type signalfn_t = Fn<i32> -> !;
//typedef void __signalfn_t(int);
//typedef __signalfn_t __user *__sighandler_t;
//typedef void __restorefn_t(void);
//typedef __restorefn_t __user *__sigrestore_t;

/// default signal handling
pub const SIG_DFL: sighandler_t = 0;
/// ignore signal
pub const SIG_IGN: sighandler_t = 1;
/// error return from signal
pub const SIG_ERR: sighandler_t = -1;