Files
addr2line
adler
aho_corasick
arrayvec
atty
backtrace
bitflags
camino
cargo_metadata
cargo_nextest
cargo_platform
cfg_expr
cfg_if
chrono
clap
clap_derive
color_eyre
config
crossbeam_channel
crossbeam_deque
crossbeam_epoch
crossbeam_utils
ctrlc
datatest_stable
debug_ignore
duct
either
enable_ansi_support
env_logger
eyre
fixedbitset
gimli
guppy
guppy_workspace_hack
hashbrown
humantime
humantime_serde
indent_write
indenter
indexmap
is_ci
itertools
itoa
lazy_static
lexical_core
libc
log
memchr
memoffset
miniz_oxide
nested
nextest_metadata
nextest_runner
nix
nom
num_cpus
num_integer
num_traits
object
once_cell
os_pipe
os_str_bytes
owo_colors
pathdiff
petgraph
proc_macro2
proc_macro_error
proc_macro_error_attr
quick_junit
quick_xml
quote
rayon
rayon_core
regex
regex_syntax
rustc_demangle
ryu
same_file
scopeguard
semver
serde
serde_derive
serde_json
shared_child
shellwords
smallvec
static_assertions
strip_ansi_escapes
strsim
structopt
structopt_derive
supports_color
syn
target_lexicon
target_spec
termcolor
textwrap
time
toml
twox_hash
unicode_xid
utf8parse
vte
vte_generate_state_changes
walkdir
 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
use crate::platform;
use std::fmt;

/// Ctrl-C error.
#[derive(Debug)]
pub enum Error {
    /// Signal could not be found from the system.
    NoSuchSignal(crate::SignalType),
    /// Ctrl-C signal handler already registered.
    MultipleHandlers,
    /// Unexpected system error.
    System(std::io::Error),
}

impl Error {
    fn describe(&self) -> &str {
        match *self {
            Error::NoSuchSignal(_) => "Signal could not be found from the system",
            Error::MultipleHandlers => "Ctrl-C signal handler already registered",
            Error::System(_) => "Unexpected system error",
        }
    }
}

impl From<platform::Error> for Error {
    fn from(e: platform::Error) -> Error {
        let system_error = std::io::Error::new(std::io::ErrorKind::Other, e);
        Error::System(system_error)
    }
}

impl fmt::Display for Error {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "Ctrl-C error: {}", self.describe())
    }
}

impl std::error::Error for Error {
    fn description(&self) -> &str {
        self.describe()
    }

    fn cause(&self) -> Option<&dyn std::error::Error> {
        match *self {
            Error::System(ref e) => Some(e),
            _ => None,
        }
    }
}