subprocess/
os_common.rs

1/// Exit status of a process.
2
3#[derive(Debug, Eq, PartialEq, Copy, Clone)]
4pub enum ExitStatus {
5    /// The process exited with the specified exit code.
6    ///
7    /// Note that the exit code is limited to a much smaller range on most platforms.
8    Exited(u32),
9
10    /// The process exited due to a signal with the specified number.
11    ///
12    /// This variant is never created on Windows, where signals of Unix kind do not exist.
13    Signaled(u8),
14
15    /// The process exit status cannot be described by the preceding two variants.
16    ///
17    /// This should not occur in normal operation.
18    Other(i32),
19
20    /// It is known that the process has completed, but its exit status is unavailable.
21    ///
22    /// This should not occur in normal operation, but is possible if for example some foreign
23    /// code calls `waitpid()` on the PID of the child process.
24    Undetermined,
25}
26
27impl ExitStatus {
28    /// True if the exit status of the process is 0.
29    pub fn success(self) -> bool {
30        matches!(self, ExitStatus::Exited(0))
31    }
32
33    /// True if the subprocess was killed by a signal with the specified number.
34    ///
35    /// You can pass the concrete `libc` signal numbers to this function, such as
36    /// `status.is_killed_by(libc::SIGABRT)`.
37    pub fn is_killed_by<T: Eq + From<u8>>(self, signum: T) -> bool {
38        if let ExitStatus::Signaled(n) = self {
39            let n: T = n.into();
40            return n == signum;
41        }
42        false
43    }
44}
45
46#[derive(Debug, Copy, Clone)]
47#[allow(dead_code)]
48pub enum StandardStream {
49    Input = 0,
50    Output = 1,
51    Error = 2,
52}
subprocess/os_common.rs

subprocess/
os_common.rs
