mooncakes.io

Native child process spawning for MoonBit on Windows, Linux, and macOS.

process

spawn

native

windows

linux

macos

child-process

moon add moonbit-community/proton_process@0.1.18

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Author

moonbit-community

Version

0.1.18

License

Apache-2.0

Repository

github.com/moonbit-community/proton/tree/main/sys/process

Last updated

5 hours ago

Downloads

Dependencies

moonbit-community/proton_ffi0.1.18

README

moonbit-community/proton_process does not have a README file

#
ProcessError

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pub(all) suberror ProcessError {
  SpawnFailed(detail~ : String)
  WaitFailed(detail~ : String)
  KillFailed(detail~ : String)
} derive(Eq)

Failures while spawning or managing a child process.

impl Show for ProcessError

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ProcessError::equal

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fn ProcessError::equal(ProcessError, ProcessError) -> Bool

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ProcessError::not_equal

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fn ProcessError::not_equal(x : ProcessError, y : ProcessError) -> Bool

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ProcessError::output

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fn ProcessError::output(self : ProcessError, logger : &Logger) -> Unit

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ProcessError::to_string

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fn ProcessError::to_string(self : ProcessError) -> String

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Process

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pub struct Process {
  // private fields
}

A native child process handle.

Created by Process::spawn and must be explicitly closed via Process::close to release native resources. The handle is not thread-safe and must be used from the thread that created it.

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Process::close

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fn Process::close(self : Process) -> Unit

Releases native resources associated with this process handle. After calling this, the handle is no longer valid.

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Process::kill

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fn Process::kill(self : Process) -> Unit raise ProcessError

Terminates the process. On POSIX this sends SIGTERM; on Windows it calls TerminateProcess. Safe to call after the process has already exited.

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Process::pid

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fn Process::pid(self : Process) -> Int

Returns the operating system process ID.

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Process::spawn

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fn Process::spawn(command : String, args? : Array[String], cwd? : String?, capture_output? : Bool) -> Process raise ProcessError

Spawns a new child process.

command: the program to execute (e.g. "ls", "cmd.exe").
args~: command-line arguments.
cwd~: optional working directory; None inherits the parent's.
capture_output~: reserved for future use; currently ignored.

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Process::try_wait

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fn Process::try_wait(self : Process) -> Int? raise ProcessError

Non-blocking wait. Returns Some(exit_code) if the process has exited, or None if it is still running.

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Process::wait

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fn Process::wait(self : Process) -> Int raise ProcessError

Blocking wait for the process to exit. Returns the exit code.

#
State

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pub type State

Represents a native child process managed by the current platform.

Source Files

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proton_process

#ProcessError

#ProcessError::equal

#ProcessError::not_equal

#ProcessError::output

#ProcessError::to_string

#Process

#Process::close

#Process::kill

#Process::pid

#Process::spawn

#Process::try_wait

#Process::wait

#State

Source Files

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ProcessError

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ProcessError::equal

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ProcessError::not_equal

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ProcessError::output

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ProcessError::to_string

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Process

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Process::close

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Process::kill

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Process::pid

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Process::spawn

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Process::try_wait

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Process::wait

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State