1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84

//! Define signal numbers.

/// The maximum number of signals.
pub const MAX_SIG_NUM: usize = 64;
numeric_enum_macro::numeric_enum! {
#[repr(u8)]
#[allow(missing_docs)]
#[derive(Eq, PartialEq, Debug, Copy, Clone)]
/// 信号编号。
///
/// 从 32 开始的部分为 SIGRT，其中 RT 表示 real time。
/// 但目前实现时没有通过 ipi 等手段即时处理，而是像其他信号一样等到 trap 再处理
pub enum SignalNo {
    ERR = 0,
    SIGHUP = 1,
    SIGINT = 2,
    SIGQUIT = 3,
    SIGILL = 4,
    SIGTRAP = 5,
    SIGABRT = 6,
    SIGBUS = 7,
    SIGFPE = 8,
    SIGKILL = 9,
    SIGUSR1 = 10,
    SIGSEGV = 11,
    SIGUSR2 = 12,
    SIGPIPE = 13,
    SIGALRM = 14,
    SIGTERM = 15,
    SIGSTKFLT = 16,
    SIGCHLD = 17,
    SIGCONT = 18,
    SIGSTOP = 19,
    SIGTSTP = 20,
    SIGTTIN = 21,
    SIGTTOU = 22,
    SIGURG = 23,
    SIGXCPU = 24,
    SIGXFSZ = 25,
    SIGVTALRM = 26,
    SIGPROF = 27,
    SIGWINCH = 28,
    SIGIO = 29,
    SIGPWR = 30,
    SIGSYS = 31,
    SIGRTMIN = 32,
    SIGRT1 = 33,
    SIGRT2 = 34,
    SIGRT3 = 35,
    SIGRT4 = 36,
    SIGRT5 = 37,
    SIGRT6 = 38,
    SIGRT7 = 39,
    SIGRT8 = 40,
    SIGRT9 = 41,
    SIGRT10 = 42,
    SIGRT11 = 43,
    SIGRT12 = 44,
    SIGRT13 = 45,
    SIGRT14 = 46,
    SIGRT15 = 47,
    SIGRT16 = 48,
    SIGRT17 = 49,
    SIGRT18 = 50,
    SIGRT19 = 51,
    SIGRT20 = 52,
    SIGRT21 = 53,
    SIGRT22 = 54,
    SIGRT23 = 55,
    SIGRT24 = 56,
    SIGRT25 = 57,
    SIGRT26 = 58,
    SIGRT27 = 59,
    SIGRT28 = 60,
    SIGRT29 = 61,
    SIGRT30 = 62,
    SIGRT31 = 63,
}}

impl From<usize> for SignalNo {
    fn from(num: usize) -> Self {
        Self::try_from(num as u8).unwrap_or(Self::ERR)
    }
}