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SpawnOptions

Struct SpawnOptions 

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pub struct SpawnOptions { /* private fields */ }
Expand description

Configuration options for spawning a new process.

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impl SpawnOptions

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pub fn builder(argv: Vec<String>, backend: SpawnBackend) -> SpawnOptionsBuilder

Create a new builder for process spawning.

Examples found in repository?
examples/spawn_ls.rs (lines 6-9)
3fn main() -> Result<(), Box<dyn std::error::Error>> {
4    println!("Spawning '/bin/ls -l'...");
5
6    let output = SpawnOptions::builder(
7        vec!["/bin/ls".to_string(), "-l".to_string()],
8        SpawnBackend::PosixSpawn,
9    )
10    .capture_stdout()
11    .timeout_ms(5000)
12    .build()?
13    .run()?;
14
15    println!("Exit status: {:?}", output.status);
16    println!("Output length: {} bytes", output.stdout.len());
17    println!("--- STDOUT ---");
18    println!("{}", String::from_utf8_lossy(&output.stdout));
19    println!("--------------");
20
21    Ok(())
22}
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pub fn run(self) -> Result<Output, CoreError>

Execute the process according to the options and block until completion.

Examples found in repository?
examples/spawn_ls.rs (line 13)
3fn main() -> Result<(), Box<dyn std::error::Error>> {
4    println!("Spawning '/bin/ls -l'...");
5
6    let output = SpawnOptions::builder(
7        vec!["/bin/ls".to_string(), "-l".to_string()],
8        SpawnBackend::PosixSpawn,
9    )
10    .capture_stdout()
11    .timeout_ms(5000)
12    .build()?
13    .run()?;
14
15    println!("Exit status: {:?}", output.status);
16    println!("Output length: {} bytes", output.stdout.len());
17    println!("--- STDOUT ---");
18    println!("{}", String::from_utf8_lossy(&output.stdout));
19    println!("--------------");
20
21    Ok(())
22}

Trait Implementations§

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impl Clone for SpawnOptions

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fn clone(&self) -> SpawnOptions

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.